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Chandima RATNAYAKE MUDIYANSELAGE

Professor in Mechanical Engineering

Stavanger
Faculty of Science and Technology
Department of Mechanical and Structural Engineering and Materials Science
KE E-212
Bio

Dr. R.M. Chandima Ratnayake is a Professor (in Mechanical Engineering) (100%) in the Department of Mechanical & Structural Engineering and Materials Science (IMBM), University of Stavanger (UiS), Norway, where he has been since 2006. 

  • PhD in Offshore Engineering, 
  • M.Sc. in Manufacturing Engineering, and 
  • B.Sc. in Mechanical (specialized in Production/Manufacturing Engineering)

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Professor Ratnayake had been awarded a diploma and membership at Norwegian Academy of Technological Sciences (NTVA) to recognize his research contributions within onshore/offshore mechanical/structural systems' risk/reliability based integrity assessment and control (Inspection, Maintenance and Operations).

Professor Ratnayake is also a Senior Technical Integrity Management Advisor, Wood Group Integrity Management, Wood, Norway AS. Currently also served as a visiting professor, Center for Offshore (Civil) Engineering, University of Petronas, Malaysia and Teacher/advisor - Centre for Advanced and Professional  Education (CAPE). He also served as a visiting professor Department of Process Engineering, Memorial University, St. John's NL Canada, as a 'Maintenance Engineering Specialist' (20%) in ApplySørco, AS (2012.11-2014.02), Norway, and as a 'Senior Engineer' in AkerSolutions Offshore Partner (2009-2011), Stavanger, Norway. He also served in the capacities of Associate Professor, visiting Associate Professor and Assistant Professor from August 2007 to July 2010 at the University of Stavanger, Norway and as a lecturer at a number of universities & educational institutions in Sri Lanka. Presently he lectures Manufacturing & Production Engineering and Product Development for B.Sc. students, Computer Aided Engineering (i.e. Computer Aided Manufacturing) for M.Sc. students. He also offers two PhD courses (Risk based industrial asset integrity assessment & control, probabilistic fatigue degradation analysis, welding, and Multi-criteria Analysis). Moreover, he conducts courses for practicing engineers in Oil & Gas industry and manufacturing sector in national and international level. He has been invited to numerous international level conferences as a speaker within the contexts of Asset integrity assessment and control, Health, Safety & Environmental issues, Sustainability, Maintenance, Criticality Analysis, Risk-based inspection and Reliability centered maintenance, Offshore Data Management, Human factors, etc.  Currently, he participates and manages several Erasmus+ and Nordplus projects focusing on implementation on lean concepts and effective implementation of enterprise resource planning systems? in the Norwegian industry.

Professor Ratnayake supervises B.Sc., M.Sc., and PhD projects. He has made more than 180 scientific publications in peer-reviewed journals, conference proceedings, and book chapters. He is an associate editor of the ASME OMAE journal, Central European Journal of Engineering (Industrial Engineering/Offshore Engineering) & SCIENCEDOMAIN international and a member of editorial board of International Journal of Computational Systems Engineering, Regional Editor Europe: International Journal of Adaptive and Innovative Systems. He has also been served as an ad hoc reviewer and a member of the technical committee for several international conferences and journals.     

Welding and In-service Inspection Technologies - Structural Engineering

Welding and In-service Inspection Technologies - Mechanical Engineering

PhD projects ongoing:

  1. Sachin Bhardwaj (2019-2022), Main advisor: Title (Tentative) - Arc welding: investigation of material, mechanical, and structural characteristics of welds fabricated at close proximity  on Onshore and Offshore systems, University of Stavanger, Norway - (KD financed PhD).
  2. Felix Sathyapillay (2020-2023), Main advisor: Title (Tentative) - Implementation of lean concepts in public services - Politi_Rogaland and University of Stavanger, Norway - (Public Sector PhD).
  3. Daria Biskupska (2020-2023), Main advisor: Title (Tentative) - Implementation of lean principles in knowledge work: minimization of engineering projects' failure (delay, overbudget) risk via digitalization, BLUEDAY Technology AS (Industrial PhD)

PhD projects completed:

  1. Dr. Andika Rachman Yahya: 2016-2019. Co-supervisor. Artificial Intelligence - Approaches to Lean Risk-Based Inspection Assessment, PhD Thesis UiS no. 457 - April 2019, ISBN 978-82-7644-844-3; ISSN: 1890-1387 - Machine Learning Self Employed (GetGo).
  2. Dr. Dr. Arvind Keprate (2014-2017), Main advisor: Title: Probabilistic Fatigue and Fracture Degradation Assessment of Offshore Piping: Remaining Life Estimation, Risk Evaluation, and Inspection Analysis, University of Stavanger, Norway: works as Associate Professor, OsloMET
  3. Dr. Seneviratne, A.M.N.D.B. (2012-2014), Main advisor: Title: Risk Based In-Service Inspection Planning Modeling, Integration and Mechanization, University of Stavanger, Norway. TECNALIA Research & Innovation, Spain Researcher

PhD examination chairing:

  • Chair PhD defense: Sung-Jin Choi (2014), Design challenges in offshore wind turbine structures with emphasis on hydrodynamic loads and their influence on the cost of the structure, University of Stavanger, Norway.

PhD Examination: 

  1. Main Opponent: Rezgar Zaki (2020), "Performance Measurement System in Complex Environment: Observed and Unobserved Risk Factors", Faculty of Science and Technology, Department of Technology and Safety, UiT- The Arctic University of Norway, Tromsø. 
  2. Second Opponent: Maheshwaran Gopalakrishnan (2018), "Data-driven Decision Support for Maintenance Prioritization", Department of Industrial and Materials Science, Chalmers University of Technology, Sweeden.
  3. Opponent and Examiner: Iraj Toloue Sheikhzadeh Yazd, (2018), "Smart Hybrid Vibration Control of Frames", Department of Civil Engineering, Universiti Teknologi Petronas, Malaysia.
  4. Examiner: Jyoti Prasad Bhandari (2018), "Reliability and Integrity Management of Ocean Structures", University of Tasmania, Australia.
  5. Examiner: Ruwan Weerasinha (2017), PhD thesis Title:  "Design and Construction of an Automated Acid Rain Monitoring Station",  Faculty of Science, University of Colombo, Sri Lanka.
  6. Examiner: Hongyang Yu, (2016), PhD thesis Title:  "Development of Advanced Fault Diagnosis Techniques for Complex Industrial Processes", University of Tasmania, Australia.
  7. Administrator and member of assessment committee: J.P. Agbakwuru (2013), "Methods for Close-visual Inspection of Pipelines in Muddy water",  University of Stavanger, Norway.

Work Experience:

Examiner - Professor Promotion - Evaluation:

  1. Dr. NOR HISHAM HAMID (2018) - Promotion to Professor MA5 - Department of Electrical and Electronic Engineering, Universiti Teknologi PETRONAS, Malaysia.
  2. Dr. Salameh A. Sawalha (2018) - Promotion to full Professor in Mechanical Engineering, Al-Balqa' Applied University, AL-Salt 19117, Jordan
  3. Dr. Yonas Zewdu Ayele, (2019/20) -  Associate Professor, Leader, Research Group – Building and Environment,Faculty of Engineering, Campus Fredrikstad, Høgskolen, Fredrikstad.

Examiner - Associate Professor Promotion - Evaluation:

  • Dr Do Kyun Kim (2018) - Promotion to Associate Professor - Civil & Environmental Engineering Department, Universiti Teknologi PETRONAS, Malaysia.

Professional and Academic Positions:

  1. 04.2017 - To date: Member of NTVA - Norwegian Academy of Technological Sciences, https://www.ntva.no/medlemmer/r-m-chandima-ratnayake/ NTVA, Trondheim
  2. 04.2014 -To date: University of Stavanger (100%), Professor of Mechanical Engineering: Department of Mechanical and Structural Engineering and Materials Science,  Stavanger, Norway.
  3. 08.2017-08.2018: Visiting Professor - Department of Process Engineering, Memorial University, St. John's NL Canada, St. Jonh's; Canada.
  4. 01.2018-01.2020:  Visiting Professor - Department of Civil Engineering, University of Petronas, Malaysia. Perak, Malaysia.
  5.  07.2010-04.2014: University of Stavanger (100%) -  Associate Professor of Mechanical Engineering: Department of Mechanical and Structural Engineering and Materials Science,  Stavanger, Norway.
  6. 05.2019-10-2019: Aker Solutions - Specialist Engineer (Maintenance Engineering) - Stavanger, Norway. 
  7. 03-2014- 05.2019: Wood Group Kenny Norge AS (20%), Technical Integrity Management - Senior Advisor: WIGM Department, Stavanger, Norway.
  8.  11.2012 - 02.2014: Apply Sørco AS. (20%)-Maintenance Specialist: Department of Asset Integrity Management and Maintenance Engineering, Stavanger/ Forus, Norway
  9. 01.06.2012-To date: University of Tromsø, External Examiner: Department of Engineering Science and Safety, UiT,  Tromsø, Norway
  10. 06.2009 -07.2010: University of Stavanger - Visiting Associate Professor: Department of Mechanical and Structural Engineering and Materials Science,  Norway
  11.  01.2009-03.2011: Aker Solutions, Aker Offshore Partner AS, Stavanger, Senior Engineer: Department of Maintenance Engineering and Materials Technology,  Norway
  12.  08.2007-12.2008: University of Stavanger -  Assistant Professor: Department of Mechanical and Structural Engineering and Materials Science,  Norway
  13.  08.2006-12.2009: University of Stavanger - PhD - Doctoral Research fellow: Department of Mechanical and Structural Engineering and Materials Science,  Stavanger, Norway
  14. 09.2006-12.2007: University of Stavanger- Consultant: Department of Mechanical and Structural Engineering and Materials Science: Center for Industrial Asset Management,  Stavanger,  Norway.
  15. 03.2004-08.2006: University of Peradeniya -  Lecturer: Department of Production Engineering,  Sri Lanka.
  16. 12.2001-03.2004: University of Ruhuna - Lecturer: Department of Mechanical and Manufacturing Engineering,  Wakwella, Galle, Sri Lanka.
  17.  05.2003-10.2003: University of Peradeniya - Visiting Lecturer, Department of Production Engineering, Sri Lanka.
  18. 10.2002-04.2003: University of Peradeniya - Visiting Lecturer: Department of Production Engineering, Sri Lanka.
  19. 01.2002-12.2002: Sir John Kothalawala Defense University (Academy) -Visiting Lecturer: Department of Mechanical and Marine Engineering- Ratmalana, Colombo,  Sri Lanka, 
  20.  06.2001-12.2001: Sir John Kothalawala Defense University (Academy);  Lecturer: Department of Mechanical and Marine Engineering, Ratmalana, Colombo, Sri Lanka.
  21. 05.2001-12.2001: Open University of Sri Lanka- Visiting Academic: Department of Mechanical Engineering, Diploma in Technology, Nawala,  Colombo, Sri Lanka.
  22.  Unit Author: Department of Mechanical Engineering, Diploma in Technology-Foundation Level, Colombo, Sri Lanka
  23.  11.2000-12.2001: Open University of Sri Lanka,  Consultant: Department of Mechanical Engineering, Diploma in Technology, Colombo, Sri Lanka. 
  24.  09.1999-05.2000: University of Peradeniya - Production Engineering Instructor: Department of Production Engineering,  Sri Lanka.
  25.  06.1993-07.1995: CIC Fertilizers (Pvt) Ltd., -  Overseer: Fertilizers Blending Plant - Kurunegala, Sri Lanka.                                                                                                     
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Publications
  • Vitenskapelige publikasjoner
    • Bhardwaj, Sachin; RATNAYAKE MUDIYANSELAGE, Chandima

      (2021)

      Comparison Between Shrinkage Strain and FEM Thermo-Mechanical Method for Estimation of Welding Induced Residual Stresses. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-8519-2.

      DOI: 10.1115/OMAE2021-62895

    • Bhardwaj, Sachin; RATNAYAKE MUDIYANSELAGE, Chandima

      (2021)

      Estimation of Welding-Induced Plastic Zone Size and Residual Stress Levels: Linear Heat Input Approximation. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-8519-2.

      DOI: 10.1115/OMAE2021-62843

    • Kalaki, Ali; Eskandarzade, Mehdi; Minaei, Asgar; RATNAYAKE MUDIYANSELAGE, Chandima

      (2021)

      Effect of Secondary Cooling Rate in Corrosion Performance of Line Pipe Material in Sour Service Applications.

      Journal of Pipeline Systems Engineering and Practice

      ISSN 1949-1190.

      Volum 12.

      Hefte 2.

      DOI: 10.1061/(ASCE)PS.1949-1204.0000537

    • Santhiapillai, Felix ; RATNAYAKE MUDIYANSELAGE, Chandima

      (2021)

      Risk-based prioritization method for planning and allocation of resources in public sector.

      The TQM Journal

      ISSN 1754-2731.

      DOI: 10.1108/TQM-02-2021-0039

    • Rachman, Andika; Zhang, Tieling; RATNAYAKE MUDIYANSELAGE, Chandima

      (2021)

      Applications of machine learning in pipeline integrity management: A state-of-the-art review.

      International Journal of Pressure Vessels and Piping

      ISSN 0308-0161.

      Volum 193.

      DOI: 10.1016/j.ijpvp.2021.104471

    • Santhiapillai, Felix ; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Application of Lean Six Sigma Methodology and Queueing Theory to Minimize Systemic Variability: A Case Study from Public Services.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.185-189.

      DOI: 10.1109/IEEM45057.2020.9309995

    • Samarakoon, Mudiyansele Samindi Manjula K; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      On the necessity for minimizing risk based technology qualification variability: an application to offshore floating wind turbines . I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 2A: Structures, Safety, and Reliability.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-8432-4.

      DOI: 10.1115/OMAE2020-18139

    • Bhardwaj, Sachin; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Challenges due to welds fabricated at a close proximity on offshore structures pipelines and piping : state of the art. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 3: Materials Technology.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-8434-8.

      DOI: 10.1115/OMAE2020-18586

    • Eskandarzade, M.; RATNAYAKE MUDIYANSELAGE, Chandima; Ershadi, M. Najafi

      (2020)

      Mechanization of qualitative risk based inspection analysis .

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.401-406.

      DOI: 10.1109/IEEM45057.2020.9309754

    • Santhiapillai, Felix; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      On the need of functional priority and failure risk assessment to 0ptimize human resource allocation in public service organizations . I: Advances in production management systems : Towards smart and digital manufacturing : IFIP WG 5.7 International Conference, APMS 2020, Novi Sad, Serbia, August 30 – September 3, 2020, Proceedings, Part II .

      Springer

      ISBN 9783030579975.

      s.379-386.

      DOI: 10.1007/978-3-030-57997-5_44

    • Santhiapillai, Felix; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Utilizing lean thinking as a means to digital transformation in service organizations . I: Advances in production management systems : Towards smart and digital manufacturing : IFIP WG 5.7 International Conference, APMS 2020, Novi Sad, Serbia, August 30 – September 3, 2020, Proceedings, Part II .

      Springer

      ISBN 9783030579975.

      s.371-378.

      DOI: 10.1007/978-3-030-57997-5_43

    • Jakobsen, Jan-Tore; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Statistical Experimentation for Investigating Optimal Parameter Combination: Friction Stir Welding AA6082-T6 Alloy.

      Lecture Notes in Civil Engineering

      ISSN 2366-2557.

      Volum 110.

      s.303-329.

      DOI: 10.1007/978-981-15-9121-1_24

    • Larsson, Magnus Göran; Larsson, Mattias Olov; RATNAYAKE MUDIYANSELAGE, Chandima; Ficquet, Xavier

      (2020)

      Experimental Residual Stress Investigation of Weld Joints Fabricated at a Close Proximity in S420 Structural Steel.

      Lecture Notes in Civil Engineering

      ISSN 2366-2557.

      Volum 110.

      s.357-376.

      DOI: 10.1007/978-981-15-9121-1_26

    • WDOWIK, Roman; RATNAYAKE MUDIYANSELAGE, Chandima; Magdziak, Marek; Belzo, Artur

      (2020)

      Technological process planning focused on complex manufacturing processes of the digital era.

      Procedia Manufacturing

      ISSN 2351-9789.

      Volum 51.

      s.1076-1081.

      DOI: 10.1016/j.promfg.2020.10.151

    • Tronsli, Sindre; Samarakoon, Mudiyansele Samindi Manjula K; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Risk-based approach for improving concrete bridges inspection planning. I: Current topics and trends on durability of building materials and components : Proceedings of the XV edition of the International conference on durability of building materials and components (DBMC 2020) Barcelona Spain 20 – 23 October 2020.

      International Center for Numerical Methods in Engineering (CIMNE)

      ISBN 9788412110180.

      s.1829-1836.

      DOI: 10.23967/dbmc.2020.120

    • Larsson, Mattias Olov; Larsson, Magnus Göran; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Experimental Investigation of Weld Joints Manufactured at Close Proximity in S420 Structural Steel.

      Lecture Notes in Civil Engineering

      ISSN 2366-2557.

      Volum 110.

      s.331-356.

      DOI: 10.1007/978-981-15-9121-1_25

    • Wdowik, R.; RATNAYAKE MUDIYANSELAGE, Chandima; Zolkos, M.; Magdziak, Marek; Valino, G.; Alvarez, B.J.; Misiura, J.

      (2020)

      Digitization Methods of Grinding Pins for Technological Process Planning.

      Procedia Manufacturing

      ISSN 2351-9789.

      Volum 51.

      s.1054-1061.

      DOI: 10.1016/j.promfg.2020.10.148

    • Larsson, Magnus Göran; Larsson, Mattias Olov; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Investigation of Fatigue Strength Behaviour in Dual Weld S420 Steel Joints Fabricated at a Close Proximity.

      Lecture Notes in Civil Engineering

      ISSN 2366-2557.

      Volum 110.

      s.377-397.

      DOI: 10.1007/978-981-15-9121-1_27

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Artificial Intelligence Based Approach for Predicting Fatigue Strength Using Composition and Process Parameters . I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 3: Materials Technology.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-8434-8.

      DOI: 10.1115/OMAE2020-18675

    • Bhardwaj, Sachin; RATNAYAKE MUDIYANSELAGE, Chandima; Keprate, Arvind; Ficquet, Xavier

      (2020)

      Machine learning approach for estimating residual stresses in girth welds of topside piping. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 3: Materials Technology.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-8434-8.

      DOI: 10.1115/OMAE2020-18703

    • Bhardwaj, Sachin; RATNAYAKE MUDIYANSELAGE, Chandima; Keprate, Arvind

      (2020)

      Review of Weld Quality Classification Standard and Post Weld Fatigue Life Improvement Methods for Welded Joints.

      Lecture Notes in Civil Engineering

      ISSN 2366-2557.

      Volum 110.

      s.257-270.

      DOI: 10.1007/978-981-15-9121-1_20

    • Bhardwaj, Sachin; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Residual stress estimation in defect assessment procedures at weld toe and away locations on girth welds: Review of key parameters .

      Theoretical and applied fracture mechanics (Print)

      ISSN 0167-8442.

      Volum 111.

      DOI: 10.1016/j.tafmec.2020.102848

    • Santhiapillai, Felix P.; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      On the necessity for identifying waste in knowledge work dominated projects : A case study from oil and gas-related product development projects . I: Advances in production management systems : Towards smart and digital manufacturing : IFIP WG 5.7 International Conference, APMS 2020, Novi Sad, Serbia, August 30 – September 3, 2020, Proceedings, Part II .

      Springer

      ISBN 9783030579975.

      s.396-405.

      DOI: 10.1007/978-3-030-57997-5_46

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Data Mining for Estimating Fatigue Strength Based on Composition and Process Parameters. I: ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2019): Volume 4: Materials Technology.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5879-0.

      DOI: 10.1115/OMAE2019-95155

    • Antosz, Katarzyna; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      Spare Parts’ Criticality Assessment and Prioritization for Enhancing Manufacturing Systems’ Availability and Reliability.

      Journal of manufacturing systems

      ISSN 0278-6125.

      Volum 50.

      s.212-225.

      DOI: 10.1016/j.jmsy.2019.01.003

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE; Sankararaman, Shankar

      (2019)

      Experimental Validation of the Adaptive Gaussian Process Regression Model Used for Prediction of Stress Intensity Factor as an Alternative to Finite Element Method.

      Journal of Offshore Mechanics and Arctic Engineering

      ISSN 0892-7219.

      Volum 141.

      DOI: 10.1115/1.4041457

    • Isoherranen, V.; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Use of Pull Product Development for Enhancing Lean Startups. I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.736-740.

      DOI: 10.1109/ieem44572.2019.8978890

    • Samarakoon, Mudiyansele Samindi Manjula K; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      RISK BASED INSPECTION PLANNING METHODOLOGY FOR CONCRETE BRIDGES . I: Proceedings of the International Conference on Sustainable Materials, Systems and Structures (SMSS2019). Challenges in Design and Management of Structures, 20-22 March 2019 – Rovinj, Croatia. PRO 128, Vol. 4..

      Rilem publications

      ISBN 978-2-35158-226-8.

      s.184-191.

    • Biskupska, Daria Maria; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      On the need for effective lean daily management in engineering design projects : development of a framework. I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.789-794.

      DOI: 10.1109/ieem44572.2019.8978660

    • Gjerde, Marit Ragnhild Dahl; RATNAYAKE MUDIYANSELAGE, Chandima; Samarakoon, Mudiyansele Samindi Manjula K

      (2019)

      Effective Implementation of Last Planner System® in Construction Projects: A Case Study . I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.1139-1144.

    • Santhiapillai, F.P.; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Lean Six Sigma Based Performance Improvement in Public Passport Services: A Case Study from Office Work. I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.304-309.

      DOI: 10.1109/ieem44572.2019.8978546

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Assessment of reliability and remaining fatigue life of topside piping using dynamic bayesian network. I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.1114-1119.

      DOI: 10.1109/ieem44572.2019.8978491

    • RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Consequence classification based spare parts evaluation and control in the petroleum industry. I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.1204-1210.

      DOI: 10.1109/ieem44572.2019.8978802

    • Hjellvik, Maria Antun; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Machine Learning Based Approach to Predict Short-Term Fuel Consumption on Mobile Offshore Drilling Units. I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.1067-1073.

      DOI: 10.1109/ieem44572.2019.8978605

    • Wdowik, R.; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Collaborative Technological Process Planning with 5G Mobile Networks and Digital Tools: Manufacturing Environments’ Perspective . I: Proceedings of the 2019 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-7281-3804-6.

      s.349-353.

      DOI: 10.1109/ieem44572.2019.8978721

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Vibration induced fatigue integrity evaluation of small bore piping using belief network.

      ISOPE - International Offshore and Polar Engineering Conference. Proceedings

      ISSN 1098-6189.

      Volum 4.

      s.3986-3992.

    • Alamaki, Ari; Mäki, Marko; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      Privacy Concerns, Data Quality, and Trustworthiness of AI-Analytics. I: Proceedings of Fake Intelligence Online Summit 2019, SAMK.

      ISBN 978-951-633-275-1.

    • Żółkoś, Marcin; Wdowik, Roman; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE; Habrat, Witold; Swider, Janusz

      (2019)

      Surface Quality Analysis After Face Grinding of Ceramic Shafts Characterized by Various States of Sintering. I: Advances in manufacturing II. Volume 4 : Mechanical engineering.

      Springer Nature

      ISBN 978-3-030-16943-5.

      s.329-341.

      DOI: 10.1007/978-3-030-16943-5_29

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, Chandima

      (2019)

      Use of Bayesian Network for Risk-Based Fatigue Integrity Assessment : Application for Topside Piping in an Arctic Environment.

      International Journal of Offshore and Polar Engineering

      ISSN 1053-5381.

      Volum 29.

      Hefte 4.

      s.421-428.

      DOI: 10.17736/ijope.2019.bn19

    • Magdziak, Marek; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      Optimal Prioritization of the Model of Distribution of Measurement Points on a Free-Form Surface in Effective Use of CMMs. I: Advances in manufacturing II. Volume 5 : metrology and measurement systems.

      Springer Nature

      ISBN 978-3-030-18682-1.

      s.172-182.

      DOI: 10.1007/978-3-030-18682-1_14

    • Rachman, Andika; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      Machine Learning Approach for Risk-Based Inspection Screening Assessment.

      Reliability Engineering & System Safety

      ISSN 0951-8320.

      Volum 185.

      s.518-532.

      DOI: 10.1016/j.ress.2019.02.008

    • Rachman, Andika; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      Corrosion loop development of oil and gas piping system based on machine learning and group technology method.

      Journal of Quality in Maintenance Engineering

      ISSN 1355-2511.

      DOI: 10.1108/JQME-07-2018-0058

    • Ratnayake, R.M. Chandima

      (2019)

      Enabling RDM in challenging environments via additive layer manufacturing: enhancing offshore petroleum asset operations.

      Production planning & control (Print)

      ISSN 0953-7287.

      Volum 30.

      Hefte 7.

      s.522-539.

      DOI: 10.1080/09537287.2018.1540054

    • Wdowik, Roman; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      Open Access Digital Tools’ Application Potential in Technological Process Planning: SMMEs Perspective.

      IFIP Advances in Information and Communication Technology

      ISSN 1868-4238.

      Volum 567.

      s.312-319.

      DOI: 10.1007/978-3-030-29996-5_36

    • Alfina, Kartika Nur; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2019)

      Supply Chain Optimization in the Tire Industry: State-of-the-Art.

      IFIP Advances in Information and Communication Technology

      ISSN 1868-4238.

      s.59-67.

      DOI: 10.1007/978-3-030-29996-5_7

    • RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE; Keprate, Arvind; Wdowik, Roman

      (2019)

      Architecture for Digital Spare-Parts Library: Use of Additive Layer Manufacturing in the Petroleum Industry.

      IFIP Advances in Information and Communication Technology

      ISSN 1868-4238.

      Volum 566.

      s.537-545.

      DOI: 10.1007/978-3-030-30000-5_66

    • Weerasinghe, R.M.; Buddika, D.; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      IMU Based Real Time Underground Soil Movement Detection System: An Illustrative Investigation. I: Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-5386-6785-9.

      DOI: 10.1109/ieem.2018.8607491

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Risk-based approach for fatigue integrity assessment of offshore piping in the arctic environment.

      ISOPE - International Offshore and Polar Engineering Conference. Proceedings

      ISSN 1098-6189.

      Volum 2018-June.

      s.243-250.

      DOI: 10.1115/1.4037353

    • RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Hybridizing MJF Based Additive Layer and CNC Supported Subtractive Manufacturing for Enhancing Productivity in PD Design Iterations. I: Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-5386-6785-9.

    • Santhiapillai, Felix; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Identifying and Defining Knowledge-work Waste in Product Development: A Case Study on Lean Maturity Assessment. I: Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-5386-6785-9.

    • Rachman, Andika; Ratnayake, R.M. Chandima

      (2018)

      Adoption and implementation potential of the lean concept in the petroleum industry: state-of-the-art .

      International Journal of Lean Six Sigma

      ISSN 2040-4166.

      DOI: 10.1108/IJLSS-10-2016-0065

    • Rachman, Andika; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Ontology-Based Semantic Modeling for Automated Identification of Damage Mechanisms in Process Plants.

      IFIP Advances in Information and Communication Technology

      ISSN 1868-4238.

      Volum 534.

      s.457-466.

      DOI: 10.1007/978-3-319-99127-6_39

    • Isoherranen, Ville; Ratnayake, R.M. Chandima

      (2018)

      Performance assessment of microenterprises operating in the Nordic Arctic region.

      Journal of Small Business and Entrepreneurship

      ISSN 0827-6331.

      Volum 30.

      Hefte 5.

      s.431-449.

      DOI: 10.1080/08276331.2018.1438769

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2018)

      Development of additional indicators for quotation preparation performance management: VSM-based approach.

      Journal of Manufacturing Technology Management

      ISSN 1741-038X.

      Volum 29.

      Hefte 5.

      s.866-885.

      DOI: 10.1108/JMTM-01-2017-0016

    • RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE; Abdel Aziz Mahmoud Saad, Yousef Tarek; Karunaharan, Kamshan; Samarakoon, Mudiyansele Samindi Manjula K

      (2018)

      INSPECTION AND MAINTENANCE OF CONCRETE BRIDGES: INVESTIGATION OF MOST SIGNIFICANT DAMAGE MECHANISMS VS. LOCATIONS . I: SynerCrete'18: Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time. Vol. 1&2..

      Rilem publications

      ISBN 978-2-35158-202-2.

      s.881-886.

    • Rachman, Andika; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Social Network Analysis in Lean Thinking: A Method for Improving Information Flow in Technical Integrity Management System Development. I: Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-5386-6785-9.

      DOI: 10.1109/IEEM.2018.8607433

    • Magdziak, Marek; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Contact Coordinate Measurements of Free-form Surfaces: A FIS for Optimal Distribution of Measurement Points. I: Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-5386-6785-9.

      DOI: 10.1109/ieem.2018.8607476

    • RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Integrity Assessment and Control of Offshore Topside Piping: An Expert System Based Approach. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology - .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5120-3.

      DOI: 10.1115/OMAE2018-78267

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Remaining Fatigue Life Prediction of Topside Piping Using Response Surface Models. I: Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-5386-6785-9.

      DOI: 10.1109/ieem.2018.8607831

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE; Sankararaman, Shankar

      (2018)

      Validation of Adaptive Gaussian Process Regression Model Used for SIF Prediction. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology - .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5120-3.

      DOI: 10.1115/OMAE2018-78608

    • Magdziak, Marek; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Investigation of best parameters’ combinations for coordinate measuring technique.

      Procedia CIRP

      ISSN 2212-8271.

      Volum 78.

      s.213-218.

      DOI: 10.1016/j.procir.2018.08.173

    • Samarakoon, Mudiyansele Samindi Manjula K; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Risk-Based In-Service Inspection Framework for Offshore Concrete Wind Turbine Structures and Application of Fuzzy Inference System. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology - .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5120-3.

      DOI: 10.1115/OMAE2018-78264

    • Rachman, Andika; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Artificial Neural Network Model for Risk-Based Inspection Screening Assessment of Oil and Gas Production System.

      ISOPE - International Offshore and Polar Engineering Conference. Proceedings

      ISSN 1098-6189.

      Volum 2018-June.

      s.270-276.

    • Wdowik, Roman; Magdziak, Marek; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE; Borsellino, Chiara

      (2018)

      Application of process parameters in planning and technological documentation: CNC machine tools and CMMs programming perspective.

      Procedia CIRP

      ISSN 2212-8271.

      Volum 78.

      s.43-48.

      DOI: 10.1016/j.procir.2018.09.054

    • Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Riser Concept Selection for FPSO in Deepwater Norwegian Sea: A Case Study. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology - .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5120-3.

      DOI: 10.1115/omae2018-78344

    • Sivaganesh, Prashanth; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Application of Last Planner® System in Product Concept Development Phase: Use of Lean Concepts in Academic Project Work. I: Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE

      ISBN 978-1-5386-6785-9.

      DOI: 10.1109/ieem.2018.8607584

    • Ratnayake, R.M. Chandima; Antosz, Katarzyna

      (2017)

      Risk-based maintenance assessment in the manufacturing industry: minimisation of suboptimal prioritisation.

      Management and Production Engineering Review

      ISSN 2080-8208.

      Volum 8.

      Hefte 1.

      s.38-45.

      DOI: 10.1515/mper-2017-0005

    • Antosz, Katarzyna; Stadnicka, Dorata; Ratnayake, R.M. Chandima

      (2017)

      Development of a risk matrix for the assessment of maintenance suppliers: a study based on empirical knowledge.

      IFAC-PapersOnLine

      ISSN 2405-8963.

      Volum 50.

      Hefte 1.

      s.9026-9031.

      DOI: 10.1016/j.ifacol.2017.08.1586

    • Stadnicka, Dorata; Arkhipov, Dmitry; Battaia, Olga; Ratnayake, R.M. Chandima

      (2017)

      Skills management in the optimization of aircraft maintenance processes.

      IFAC-PapersOnLine

      ISSN 2405-8963.

      Volum 50.

      Hefte 1.

      s.6912-6917.

      DOI: 10.1016/j.ifacol.2017.08.1216

    • Ratnayake, R.M. Chandima

      (2017)

      Minimization of variability in risk-based winterization analysis: Asset integrity assurance in arctic environments.

      International Journal of Offshore and Polar Engineering

      ISSN 1053-5381.

      Volum 27.

      Hefte 3.

      s.245-251.

      DOI: 10.17736/ijope.2017.jc694

    • Keprate, Arvind; Ratnayake, R.M. Chandima; Sankararaman, Shankar

      (2017)

      Comparison of Various Surrogate Models to Predict Stress Intensity Factor of a Crack Propagating in Offshore Piping.

      Journal of Offshore Mechanics and Arctic Engineering

      ISSN 0892-7219.

      Volum 139.

      Hefte 6.

      DOI: 10.1115/1.4037290

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2017)

      Generic Approach for Risk Assessment of Offshore Piping Subjected to Vibration Induced Fatigue.

      ASCE-ASME J of Risk & Uncertainty in Engineering SystemsPart B: Mechanical Engineering

      ISSN 2332-9025.

      Volum 4.

      Hefte 2.

      DOI: 10.1115/1.4037353

    • Stadnicka, Dorata; pirani, Massimiliano; Bonci, Andrea; Ratnayake, R.M. Chandima; Longhi, Sauro

      (2017)

      Self-similar computing structures for CPSs:A case study on POTS service process.

      IFIP Advances in Information and Communication Technology

      ISSN 1868-4238.

      Volum 506.

      s.157-166.

      DOI: 10.1007/978-3-319-65151-4_15

    • Stadnicka, Dorata; Ratnayake, R.M. Chandima

      (2017)

      Enhancing Aircraft Maintenance Services: A VSM Based Case Study.

      Procedia Engineering

      ISSN 1877-7058.

      Volum 182.

      s.665-672.

      DOI: 10.1016/j.proeng.2017.03.177

    • Ratnayake, R.M. Chandima; Chaudry, Osman

      (2017)

      Maintaining sustainable performance in operating petroleum assets via a lean-six-sigma approach: A case study from engineering support services.

      International Journal of Lean Six Sigma

      ISSN 2040-4166.

      Volum 8.

      Hefte 1.

      s.33-52.

      DOI: 10.1108/IJLSS-11-2015-0042

    • Samarakoon, Mudiyansele Samindi Manjula K; Ratnayake, R.M. Chandima

      (2017)

      Technology Qualification of Offshore Wind Turbine Supporting Concrete Constructions: Mitigation of Future Catastrophic Incidents via Quantification of Unknown. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 3B: Structures, Safety and Reliability.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5766-3.

      DOI: 10.1115/OMAE2017-62173

    • Ratnayake, R.M. Chandima; Isoherranen, Ville

      (2017)

      A Framework for Lean Knowledge Dissemination: Enhancing Innovation Excellence. I: 2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) : 10-13 Dec, Singapore.

      IEEE

      ISBN 978-1-5386-0947-7.

      DOI: 10.1109/IEEM.2017.8289872

    • Rachman, Andika; Ratnayake, R.M. Chandima

      (2017)

      A Game-Based Learning System to Disseminate Kanban Concept in Engineering Context: A Case Study from Risk-Based Inspection Project. I: 2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) : 10-13 Dec, Singapore.

      IEEE

      ISBN 978-1-5386-0947-7.

      DOI: 10.1109/IEEM.2017.8290301

    • Storsanden, Audun Larsen; Våle, Marcus; Ratnayake, R.M. Chandima

      (2017)

      Use of Additive Manufacturing for Polymer Tooling: Case Study from Reaction Injection Molding. I: 2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) : 10-13 Dec, Singapore.

      IEEE

      ISBN 978-1-5386-0947-7.

      DOI: 10.1109/ieem.2017.8290164

    • Ratnayake, R.M. Chandima; Samarakoon, Mudiyansele Samindi Manjula K

      (2017)

      Structural integrity assessment and control of ageing onshore and offshore structures. I: Modeling and Simulation Techniques in Structural Engineering.

      IGI Global

      ISBN 9781522505884.

      s.445-476.

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2017)

      Using Gradient Boosting Regressor to Predict Stress Intensity Factor of a Crack Propagating in Small Bore Piping. I: 2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) : 10-13 Dec, Singapore.

      IEEE

      ISBN 978-1-5386-0947-7.

      DOI: 10.1109/ieem.2017.8290109

    • Rachman, Andika; Ratnayake, R.M. Chandima

      (2017)

      Lean Execution of Engineering Projects: The Potential Application of Case-Based Reasoning to Facilitate Cross-Project Knowledge Transfer. I: 2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) : 10-13 Dec, Singapore.

      IEEE

      ISBN 978-1-5386-0947-7.

      DOI: 10.1109/ieem.2017.8290058

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2017)

      A VSM and VSA Methodology for Performance Assessment of Complex Product Manufacturing Processes: An Industrial Case Study.

      International Journal of Product Development

      ISSN 1477-9056.

      Volum 22.

      Hefte 2.

      s.104-134.

      DOI: 10.1504/IJPD.2017.086453

    • Ratnayake, R.M. Chandima; Antosz, Katarzyna

      (2017)

      Development of a Risk Matrix and Extending the Risk-based Maintenance Analysis with Fuzzy Logic.

      Procedia Engineering

      ISSN 1877-7058.

      Volum 182.

      s.602-610.

      DOI: 10.1016/j.proeng.2017.03.163

    • Kumar, Kundan; Ratnayake, R.M. Chandima

      (2017)

      Maintenance Regime Minimum (MRM): State of the Art — Maintaining Offshore Platforms Before Decommissioning. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5763-2.

      DOI: 10.1115/OMAE2017-61271

    • Keprate, Arvind; Ratnayake, R.M. Chandima; Sankararaman, Shankar

      (2017)

      Adaptive Gaussian process regression as an alternative to FEM for prediction of stress intensity factor to assess fatigue degradation in offshore pipeline.

      International Journal of Pressure Vessels and Piping

      ISSN 0308-0161.

      Volum 153.

      s.45-58.

      DOI: 10.1016/j.ijpvp.2017.05.010

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2017)

      Enhancing performance in service organisations: a case study based on value stream analysis in the telecommunications industry..

      International Journal of Production Research

      ISSN 0020-7543.

      Volum 55.

      Hefte 23.

      s.6984-6999.

      DOI: 10.1080/00207543.2017.1346318

    • Samarakoon, Mudiyansele Samindi Manjula K; Ratnayake, R.M. Chandima

      (2017)

      Minimization of risk assessments' variability in technology qualification processes.

      Journal of Offshore Mechanics and Arctic Engineering

      ISSN 0892-7219.

      Volum 139.

      Hefte 2.

      s.021401-1-021401-8.

      DOI: 10.1115/1.4035225

    • Keprate, Arvind; Ratnayake, R.M. Chandima; Sankararaman, Shankar

      (2017)

      Minimizing Hydrocarbon Release from Offshore Piping by Performing Probabilistic Fatigue Life Assessment.

      Process Safety and Environmental Protection

      ISSN 0957-5820.

      Volum 106.

      s.34-51.

      DOI: 10.1016/j.psep.2016.11.019

    • Ratnayake, R.M. Chandima; Dyakov, Danil

      (2017)

      Optimal Arc Welding Process Parameter Combination Design and Metallographic Examination for SDSS Butt Welds.

      Journal of Offshore Mechanics and Arctic Engineering

      ISSN 0892-7219.

      Volum 139.

      Hefte 3.

      DOI: 10.1115/1.4035769

    • Keprate, Arvind; Ratnayake, R.M. Chandima; Sankararaman, Shankar

      (2017)

      A Surrogate Model for Predicting Stress Intensity Factor: An Application to Oil and Gas Industry . I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 4: Materials Technology .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5768-7.

      DOI: 10.1115/OMAE2017-61091

    • Dinis-Carvalho, Jose; Ratnayake, R.M. Chandima; Ferrete, L.

      (2017)

      Implementation of Lean Principles for Performance Improvement: Use of VSM+WID for Waste Identification. I: 2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM) : 10-13 Dec, Singapore.

      IEEE

      ISBN 978-1-5386-0947-7.

    • Keprate, Arvind; Ratnayake, R.M. Chandima; Sankararaman, Shankar

      (2017)

      Comparing Different Metamodelling Approaches to Predict Stress Intensity Factor of a Semi-Elliptic Crack. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 4: Materials Technology .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5768-7.

      DOI: 10.1115/OMAE2017-62333

    • Ratnayake, R.M. Chandima; Suleymanov, Magomed; Skedsmo, Lars E. M.; Goa, Vegard

      (2016)

      Investigation of Friction Stir Spot Welding Optimal Parameter Combination for Galvanized Trip Steel. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 4: Materials Technology.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-4995-8.

      DOI: 10.1115/OMAE2016-54504

    • Ratnayake, R.M. Chandima

      (2016)

      Making Sense of 3D Printing/Additive Layer Manufacturing in Offshore Petroleum Industry: State of the Art. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 6: Ocean Space Utilization; Ocean Renewable Energy.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-4997-2.

      DOI: 10.1115/omae2016-54537

    • Ratnayake, R.M. Chandima; Dyakov, Danil

      (2016)

      Expert Knowledge Based Statistical Experimentation for Investigating Optimal Arc Welding Parameter Combination Under Noise. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 6: Ocean Space Utilization; Ocean Renewable Energy.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-4997-2.

      DOI: 10.1115/omae2016-54860

    • Samarakoon, Mudiyansele Samindi Manjula K; Ratnayake, R.M. Chandima

      (2016)

      Minimization of uncertainty during technology qualification process: fuzzy logic based approach. I: Proceedings of the Twenty-sixth International Ocean and Polar Engineering Conference - ISOPE 2016.

      International Society of Offshore & Polar Engineers

      ISBN 978-1-880653-88-3.

      s.1126-1133.

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      Handling Uncertainty in the Remnant Fatigue Life Assessment of Offshore Process Pipework. I: ASME 2016 International Mechanical Engineering Congress and Exposition Volume 14: Emerging Technologies; Materials: Genetics to Structures; Safety Engineering and Risk Analysis Phoenix, Arizona, USA, November 11–17, 2016 .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5068-8.

      s.11-17.

      DOI: 10.1115/IMECE2016-65504

    • Ratnayake, R.M. Chandima

      (2016)

      Asset integrity assessment and control of operating assets in Arctic environment: Assuring sustainable performance.

      ISOPE - International Offshore and Polar Engineering Conference. Proceedings

      ISSN 1098-6189.

      Volum 2016 - IV.

      s.366-372.

      DOI: 10.1080/19397038.2011.581391

    • Samarakoon, Mudiyansele Samindi Manjula K; Stadnicka, Dorata; Vilke, Tor Gunnar; Ellefsen, Espen; Stangeland, Ole Magnus; Ratnayake, R.M. Chandima

      (2016)

      Assessment of value stream of formwork preparation process in prefabricating reinforced concrete elements. I: Proceedings of the International RILEM Conference Materials, Systems and Structures in Civil Engineering 2016 Segment on Fresh Concrete.

      Rilem publications

      ISBN 978-2-35158-184-1.

      s.63-72.

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      A Fuzzy Logic Based Approach for Deciding the Corrective Action to Minimize Vibration Induced Fatigue Damage on Offshore Pipework.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.1370-1374.

      DOI: 10.1109/IEEM.2016.7798102

    • Antosz, Katarzyna; Ratnayake, R.M. Chandima

      (2016)

      Machinery classification and prioritization: Empirical models and AHP based approach for effective preventive maintenance. I: 2016 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM).

      IEEE

      ISBN 978-1-5090-3665-3.

      s.1380-1386.

      DOI: 10.1109/IEEM.2016.7798104

    • WDOWIK, Roman; Ratnayake, R.M. Chandima

      (2016)

      A Robust Design Based Methodology for Investigation of Optimal Parameters’ Combination in Ultrasonic Assisted Face Grinding.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.706-711.

      DOI: 10.1109/IEEM.2016.7797967

    • Ratnayake, R.M. Chandima

      (2016)

      Role of 3D printing/additive layer manufacturing in the offshore petroleum industry: future potential. I: 23rd EurOMA Conference. Interactions. Book of abstracts for EurOMA 2016.

      ISBN 978-82-303-3277-1.

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      Determining the degree of fuzziness for Fuzzy-AHP methodology used for identifying fatique critical piping locations for inspection. I: INES 2016 20th Jubilee IEEE International Conference on Intelligent Engineering Systems : proceedings.

      IEEE

      ISBN 978-1-5090-1216-9.

      s.165-170.

      DOI: 10.1109/INES.2016.7555113

    • Ratnayake, R.M. Chandima; Santhiapillai, Felix P.

      (2016)

      Designing optimal parameter combination for abrasive water jet cutting process.

      International Journal of COMADEM

      ISSN 1363-7681.

      Volum 19.

      Hefte 3.

      s.47-53.

    • Antosz, Katarzyna; Ratnayake, R.M. Chandima

      (2016)

      Classification of spare parts as the element of a proper realization of the machine maintenance process and logistics - case study.

      IFAC-PapersOnLine

      ISSN 2405-8963.

      Volum 49.

      Hefte 12.

      s.1389-1393.

      DOI: 10.1016/j.ifacol.2016.07.760

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      Selecting a Modeling Approach for Predicting Remnant Fatigue Life of Offshore Topside Piping.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.1407-1411.

      DOI: 10.1109/IEEM.2016.7798109

    • Antosz, Katarzyna; Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2016)

      Use of Lean Management Philosophy in Health Sector: A VSM Based Case Study.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.1523-1528.

      DOI: 10.1109/IEEM.2016.7798132

    • Yahya, Andika Rachman; Ratnayake, R.M. Chandima

      (2016)

      Implementation of lean knowledge work in oil and gas industry - A case study from a Risk-Based Inspection project.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      Volum 2016-December.

      s.675-680.

      DOI: 10.1109/IEEM.2016.7797961

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      Selecting Fatigue Critical Inspection Location of Offshore Topside Piping Using Fuzzy-AHP Framework. I: SAMI 2016 : IEEE 14th International Symposium on Applied Machine Intelligence and Informatics.

      IEEE

      ISBN 978-1-4673-8740-8.

      s.235-240.

      DOI: 10.1109/sami.2016.7423013

    • DINIS-CARVALHO, Jose; Ratnayake, R.M. Chandima; Stadnicka, Dorata; SOUSA, Rui; ISOHERRANEN, J. Ville; KUMAR, Maneesh

      (2016)

      Performance Enhancing in the Manufacturing Industry: An Improvement KATA Application.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.1250-1254.

      DOI: 10.1109/IEEM.2016.7798078

    • SOUSA, Rui; Stadnicka, Dorota; DINIS-CARVALHO, Jose; Ratnayake, R.M. Chandima; ISOHERRANEN, J. Ville

      (2016)

      Gamification Based Lean Knowledge Dissemination: A Case Study.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.164-168.

      DOI: 10.1109/IEEM.2016.7797857

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      Enhancing offshore process safety by selecting fatigue critical piping locations for inspection using Fuzzy-AHP based approach.

      Process Safety and Environmental Protection

      ISSN 0957-5820.

      Volum 102.

      s.71-84.

      DOI: 10.1016/j.psep.2016.02.013

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2016)

      Minimization of service disturbance: VSM based case study in telecommunication industry.

      IFAC-PapersOnLine

      ISSN 2405-8963.

      Volum 49.

      Hefte 12.

      s.255-260.

      DOI: 10.1016/j.ifacol.2016.07.609

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2016)

      Evaluation of risk levels in static mechanical equipment: A fuzzy expert system approach.

      International Journal of Information and Decision Sciences

      ISSN 1756-7017.

      Volum 8.

      Hefte 2.

      s.93-108.

      DOI: 10.1504/IJIDS.2016.076514

    • Ratnayake, R.M. Chandima

      (2016)

      Knowledge based engineering approach for subsea pipeline systems’ FFR assessment: a fuzzy expert system.

      The TQM Journal

      ISSN 1754-2731.

      Volum 28.

      Hefte 1.

      s.40-61.

      DOI: 10.1108/TQM-12-2013-0148

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2016)

      Simple approach for Value Stream Mapping for business process analysis.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      Volum 2016-January.

      s.88-94.

      DOI: 10.1109/IEEM.2015.7385614

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      Inspection planning and maintenance scheduling of offshore piping undergoing fatigue degradation: A probabilistic view. I: 23rd EurOMA Conference. Interactions. Book of abstracts for EurOMA 2016.

      ISBN 978-82-303-3277-1.

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2016)

      Development of a rule base and algorithm for a quotation preparation process: A case study with a VSM approach.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      Volum 2016-January.

      s.1100-1106.

      DOI: 10.1109/IEEM.2015.7385819

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2016)

      Use of AHP for risk based fatigue degradation inspection analysis of topside piping on offshore production and process facilities.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      Volum 2016-January.

      s.737-741.

      DOI: 10.1109/IEEM.2015.7385745

    • Ratnayake, R.M. Chandima; Chaudry, MO

      (2016)

      Performance improvement of oil and gas industry via lean concept: A case study from valves requisition.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      Volum 2016-January.

      s.1472-1479.

      DOI: 10.1109/IEEM.2015.7385892

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima; Antosz, Katarzyna

      (2016)

      Investigation of process approach implementation in manufacturing firms: A methodology for assessing process excellence level.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      Volum 2016-January.

      s.159-164.

      DOI: 10.1109/IEEM.2015.7385628

    • Rachman, Andika; Ratnayake, R.M. Chandima

      (2016)

      Implementation of system-based hazard Analysis on physical safety barrier: A case study in subsea HIPPS.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      Volum 2016-January.

      s.11-15.

      DOI: 10.1109/IEEM.2015.7385598

    • Ratnayake, R.M. Chandima

      (2015)

      Risk Based Integrity Assessment and Control of Ageing Subsea Pipelines: An Expert System Based Approach. I: ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5647-5.

      DOI: 10.1115/omae2015-41632

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2015)

      Development of FIS for Identification of Potential Failure Locations in Topside Piping Sub-Systems: An Expert System Based Approach. I: ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5647-5.

      DOI: 10.1115/OMAE2015-41519

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2015)

      Fatigue and Fracture Degradation Inspection of Offshore Structures and Mechanical Items: The State of the Art. I: ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5647-5.

      DOI: 10.1115/OMAE2015-41533

    • Ratnayake, R.M. Chandima; Santhiapillai, Felix

      (2015)

      Investigating optimal parameters of abrasive water jet cutting process : engineering robust design based approach. I: 28th COMADEM + X CORENDE 2015.

      COMADEM International

      ISBN 978-987-23957-6-6.

    • Ratnayake, R.M. Chandima; Garten, Thomas; Barré, Arnaud

      (2015)

      Subsea Systems Functional Failure Consequence Classification: A Case Study From a Subsea Manifold. I: ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering Volume 3: Structures, Safety and Reliability.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5649-9.

      DOI: 10.1115/OMAE2015-41522

    • Ratnayake, R.M. Chandima

      (2015)

      Risk-based integrity assessment and control of subsea pipelines: an approach for minimizing variability.

      Journal of Pipeline Engineering

      ISSN 1753-2116.

      s.187-198.

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2015)

      Probability of detection as a metric for quantifying NDE capability: the state of the art.

      Journal of Pipeline Engineering

      ISSN 1753-2116.

      Volum 14.

      Hefte 3.

      s.199-209.

    • Ratnayake, R.M. Chandima; Dyakov, Daniel

      (2015)

      Investigation of Optimal Parameter Settings in Super Duplex Welding.

      World Academy of Science, Engineering and Technology

      ISSN 1307-6892.

      Volum 9.

      Hefte 7.

    • Rachman, Andika; Ratnayake, R.M. Chandima

      (2015)

      Implementation of System-Based Hazard Analysis on Physical Safety Barrier : A Case Study in Subsea HIPPS. I: Proceedings of the 2015 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE conference proceedings

      ISBN 978-1-4673-8066-9.

      DOI: 10.1109/ieem.2015.7385598

    • Ratnayake, R.M. Chandima

      (2015)

      Framework for Computing Machining Parameter Settings in CNC Machines: An Industrial Case Study.

      International Journal of Computational Systems Engineering

      ISSN 2046-3391.

      Volum 2.

      Hefte 1.

      s.25-31.

      DOI: 10.1504/IJCSYSE.2015.067753

    • Ratnayake, R.M. Chandima

      (2015)

      Use of a Fuzzy Inference System for Criticality Rank Computation in NORSOK Standard Z-008: Maintenance of Rotating Equipment and Instrumentation.

      International Journal of Computational Systems Engineering

      ISSN 2046-3391.

      Volum 2.

      Hefte 1.

      s.43-50.

      DOI: 10.1504/IJCSYSE.2015.067799

    • Ratnayake, R.M. Chandima

      (2015)

      Estimation of Maximum In-Service Inspection Intervals Based on Risk: A Fuzzy Logic Approach.

      International Journal of Performability Engineering

      ISSN 0973-1318.

      Volum 11.

      Hefte 1.

      s.23-32.

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2015)

      Classification of Static Mechanical Equipment using a Fuzzy Inference System: A Case Study from an Off-Shore Installation.

      International Journal of Performability Engineering

      ISSN 0973-1318.

      Volum 11.

      Hefte 1.

      s.53-60.

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2015)

      Development of a Rule Base and Algorithm for a Quotation Preparation Process : A Case Study With a VSM Approach. I: Proceedings of the 2015 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE conference proceedings

      ISBN 978-1-4673-8066-9.

      DOI: 10.1109/ieem.2015.7385819

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2015)

      Strengthening, modification and repair techniques' prioritization for structural integrity control of ageing offshore structures.

      Reliability Engineering & System Safety

      ISSN 0951-8320.

      Volum 135.

      s.15-26.

      DOI: 10.1016/j.ress.2014.10.023

    • Ratnayake, R.M. Chandima; Ytterhaug, Hans Olav; Bøgwald, Preben; Nilsen, Sølve

      (2015)

      Underwater Friction Stud Welding Optimal Parameter Estimation: Engineering Robust Design Based Approach.

      Journal of Offshore Mechanics and Arctic Engineering

      ISSN 0892-7219.

      Volum 137.

      Hefte 1.

      DOI: 10.1115/1.4028466

    • Ratnayake, R.M. Chandima

      (2015)

      Mechanization of static mechanical systems inspection planning process: The state of the art.

      Journal of Quality in Maintenance Engineering

      ISSN 1355-2511.

      Volum 21.

      Hefte 2.

      s.227-248.

      DOI: 10.1108/JQME-09-2012-0033

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima; Antosz, Katarzyna

      (2015)

      Investigation of Process Approach Implementation in Manufacturing Firms : A Methodology for Assessing Process Excellence Level. I: Proceedings of the 2015 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE conference proceedings

      ISBN 978-1-4673-8066-9.

      DOI: 10.1109/ieem.2015.7385628

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2015)

      Simple Approach for Value Stream Mapping for Business Process Analysis. I: Proceedings of the 2015 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE conference proceedings

      ISBN 978-1-4673-8066-9.

      DOI: 10.1109/ieem.2015.7385614

    • Ratnayake, R.M. Chandima; Chaudry, M.O.

      (2015)

      Performance Improvement of Oil and Gas Industry via Lean Concept : A Case Study from Valves Requisition. I: Proceedings of the 2015 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE conference proceedings

      ISBN 978-1-4673-8066-9.

      DOI: 10.1109/ieem.2015.7385892

    • Keprate, Arvind; Ratnayake, R.M. Chandima

      (2015)

      Use of AHP for Risk Based Fatigue Degradation Inspection Analysis of Topside Piping on Offshore Production and Process Facilities. I: Proceedings of the 2015 IEEE International Conference on Industrial Engineering and Engineering Management.

      IEEE conference proceedings

      ISBN 978-1-4673-8066-9.

      DOI: 10.1109/ieem.2015.7385745

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2014)

      Improving Degradation Prediction Models for Failure Analysis in Topside Piping : A Neuro-Fuzzy Approach. I: INES 2014 IEEE 18th International Conference on Intelligent Engineering Systems. July 3-5, 2014, Hungary.

      IEEE Press

      ISBN 978-1-4799-4616-7.

      s.239-244.

      DOI: 10.1109/INES.2014.6909376

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2014)

      Integration of Decision Support Modules to Identify the Priority of Risk of Failure in Topside Piping Equipment: An Industrial Case Study from the NCS. I: Advances in production management systems : innovative and knowledge-based production management in a global-local world : IFIP WG 5.7 International Conference, APMS 2014, Ajaccio, France, September 20-24, 2014, Proceedings, Part III.

      Springer

      ISBN 978-3-662-44732-1.

      s.521-529.

      DOI: 10.1007/978-3-662-44733-8_65

    • Ratnayake, R.M. Chandima

      (2014)

      Inspection Interval Estimation: A Fuzzy Logic Based RBI Analysis Approach. I: Advances in production management systems : innovative and knowledge-based production management in a global-local world : IFIP WG 5.7 International Conference, APMS 2014, Ajaccio, France, September 20-24, 2014, Proceedings, Part I.

      Springer

      ISBN 978-3-662-44738-3.

      s.334-341.

      DOI: 10.1007/978-3-662-44739-0_41

    • Ratnayake, R.M. Chandima; Amarathunga, M.

      (2014)

      Quality Improvement of NLFM Manufacturing Process: Estimating Optimal Combination of Influencing Factor Levels. I: Advances in production management systems : innovative and knowledge-based production management in a global-local world : IFIP WG 5.7 International Conference, APMS 2014, Ajaccio, France, September 20-24, 2014, Proceedings, Part I.

      Springer

      ISBN 978-3-662-44738-3.

      s.11-18.

      DOI: 10.1007/978-3-662-44733-8_2

    • Ratnayake, R.M. Chandima; Brevik, Vegard

      (2014)

      Underwater Friction Stud Welding: Evaluating Optimum Parameter Settings for Subsea Intervention Without a Shroud. I: ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Materials Technology; Petroleum Technology San Francisco, California, USA, June 8–13, 2014.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-4545-5.

      DOI: 10.1115/OMAE2014-23330

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2014)

      Use of MCDM and AI Techniques for Mechanization of In-Service Inspection Planning Process. I: Advances in production management systems : innovative and knowledge-based production management in a global-local world : IFIP WG 5.7 International Conference, APMS 2014, Ajaccio, France, September 20-24, 2014, Proceedings, Part III.

      Springer

      ISBN 978-3-662-44732-1.

      s.264-271.

      DOI: 10.1007/978-3-662-44733-8_33

    • Ratnayake, R.M. Chandima; Valbo, Ingunn

      (2014)

      Use of Robust Design Technique in Job Shop Manufacturing: A Case Study of Die-Sinking Electro Discharge Machining.

      International Journal of Performability Engineering

      ISSN 0973-1318.

      Volum 10.

      Hefte 2.

      s.155-162.

    • Zahirian, Sina; Ratnayake, R.M. Chandima

      (2014)

      RE-EVALUATION OF TAG SAFETY CRITICAL STATUS IN AN FPSO: A CASE STUDY FOR RECOGNIZING INCONSISTENCIES. I: ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Materials Technology; Petroleum Technology San Francisco, California, USA, June 8–13, 2014.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-4545-5.

      DOI: 10.1115/omae2015-41520

    • Ratnayake, R.M. Chandima; Samarakoon, Samindi; Gudmestad, Ove Tobias

      (2014)

      Use of Technology Qualification in Offshore Oil and Gas Operations: An FMECA Analysis for Mitigating Potential Failures. I: ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Materials Technology; Petroleum Technology San Francisco, California, USA, June 8–13, 2014.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-4545-5.

      DOI: 10.1115/OMAE2014-23410

    • Ratnayake, R.M. Chandima

      (2014)

      A Methodology for Assessing Most Vulnerable Welding Procedure Specifications and Imperfection Factors.

      International Journal of Data Analysis Techniques and Strategies

      ISSN 1755-8050.

      Volum 6.

      Hefte 4.

      s.362-383.

      DOI: 10.1504/IJDATS.2014.066606

    • Ratnayake, R.M. Chandima

      (2014)

      Small and medium enterprises project finance:Identifying optimum settings of controllable factor.

      International Journal of Applied Decision Sciences

      ISSN 1755-8077.

      Volum 7.

      Hefte 2.

      s.136-150.

      DOI: 10.1504/IJADS.2014.060327

    • Stadnicka, Dorota; Antosz, Katarzyna; Ratnayake, R.M. Chandima

      (2014)

      Development of an empirical formula for machine classification: Prioritization of maintenance tasks.

      Safety Science

      ISSN 0925-7535.

      Volum 63.

      s.34-41.

      DOI: 10.1016/j.ssci.2013.10.020

    • Ratnayake, R.M. Chandima; Kusumawardhani, Mayang

      (2014)

      Reliability analysis of condition monitoring data on aging plants: A case study from topside static mechanical systems.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.1401-1405.

      DOI: 10.1109/IEEM.2013.6962641

    • Imam, Syeda Fahmida; Raza, jawad; Ratnayake, R.M. Chandima

      (2014)

      World Class Maintenance (WCM): Measurable indicators creating opportunities for the Norwegian Oil and Gas industry.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      s.1479-1483.

      DOI: 10.1109/IEEM.2013.6962656

    • Ratnayake, R.M. Chandima; Brevik, Vegard

      (2014)

      Experimental Investigation of Underwater Stud Friction Stir Welding Parameters.

      Materials and Manufacturing Processes

      ISSN 1042-6914.

      Volum 29.

      Hefte 10.

      s.1219-1225.

      DOI: 10.1080/10426914.2014.930891

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2014)

      Improving the efficiency of technology qualification in the industrial sector.

      International Journal of Continuing Engineering Education and Life-Long Learning

      ISSN 1560-4624.

      Volum 24.

      Hefte 3/4.

      s.362-376.

      DOI: 10.1504/IJCEELL.2014.063084

    • Ratnayake, R.M. Chandima

      (2014)

      Application of a fuzzy inference system for functional failure risk rank estimation: RBM of rotating equipment and instrumentation.

      Journal of Loss Prevention in the Process Industries

      ISSN 0950-4230.

      Volum 29.

      s.216-224.

      DOI: 10.1016/j.jlp.2014.03.002

    • Ratnayake, R.M. Chandima

      (2014)

      KBE development for criticality classification of mechanical equipment: A fuzzy expert system.

      International Journal of Disaster Risk Reduction

      ISSN 2212-4209.

      Volum 9.

      s.84-98.

      DOI: 10.1016/j.ijdrr.2014.04.004

    • Ratnayake, R.M. Chandima

      (2013)

      Utilization of Piping Inspection Data for Continuous Improvement: a methodology to Visualize Coverage and Finding Rates. I: ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5535-5.

      DOI: 10.1115/omae2013-10025

    • Ratnayake, R.M. Chandima

      (2013)

      An Algorithm to Prioritize Welding Quality Deterioration Factors: A Case Study from a Piping Component Fabrication Process.

      International Journal of Quality & Reliability Management

      ISSN 0265-671X.

      Volum 30.

      Hefte 6.

      DOI: 10.1108/02656711311325584

    • Ratnayake, R.M. Chandima; Samarakoon, Samindi

      (2013)

      Structural integrity control of ageing offshore structures: prioritizing smr scheme/technique for damaged structures. I: Proceedings of the Special Session on Structural Health Monitoring, 14th December 2013, Volume 01.

      ISBN 978-955-589-179-0.

      s.53-65.

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2013)

      In-Service Inspection of Static Mechanical Equipment: Use of a Fuzzy Inference System for Maintaining the Quality of an Inspection Program.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

    • Ratnayake, R.M. Chandima; Stadnicka, Dorota; Antosz, Katarzyna

      (2013)

      Deriving an Empirical Model for Machinery Prioritization: Mechanical Systems Maintenance.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      DOI: 10.1109/ieem.2016.7798104

    • Ratnayake, R.M. Chandima

      (2013)

      A Mathematical Framework for Parameter Designing Under the Noise: A Case Study from a Conventional Turning Machine.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      DOI: 10.1109/ieem.2013.6962420

    • Ratnayake, R.M. Chandima

      (2013)

      Plant Systems and Equipment Maintenance: Use of Fuzzy Logic for Criticality Assessment in NORSOK Standard Z-008.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

      DOI: 10.1109/ieem.2013.6962654

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2013)

      Use of Engineering Robust Design Approach to Improve the Surface Quality of Pre-cast Concrete Elements: An Experimental Approach.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2013)

      Residual Service Life Prediction of Offshore Concrete Structures with Chloride-Induced Damage: The State Of The Art. I: ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5535-5.

      DOI: 10.1115/OMAE2013-10460

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2013)

      In-Service Inspection of Offshore Concrete Structures: Application of an Expert System.

      IEEE International Conference on Industrial Engineering and Engineering Management

      ISSN 2157-3611.

    • Ratnayake, R.M. Chandima; Balasoriya, B. M. C. Prasad

      (2013)

      RE-DESIGN, FABRICATION, AND PERFORMANCE EVALUATION OF MANUAL CONICAL DRUM SEEDER: A CASE STUDY.

      Applied Engineering in Agriculture

      ISSN 0883-8542.

      Volum 29.

      Hefte 2.

      s.139-147.

      DOI: 10.13031/2013.42644

    • Barabadi, Abbas; Naseri, Masoud; Ratnayake, R.M. Chandima

      (2013)

      Design for the Arctic Conditions: Safety andPerformance Issues, OMAE2013-10287. I: ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5535-5.

      DOI: 10.1115/omae2013-10287

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima; Siriwardane, S.A.Sudath C

      (2013)

      Structural Integrity Control of Ageing Offshore Structures: Repairing and Strengthening with Grouted Connections. I: ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5535-5.

    • Ratnayake, R.M. Chandima

      (2012)

      Translating sustainability concerns at plant level asset operations: industrial performance assessment.

      International Journal of Sustainable Strategic Management (IJSSM)

      ISSN 1753-3600.

      Volum 3.

      Hefte 4.

      DOI: 10.1504/IJSSM.2012.052655

    • Ratnayake, R.M. Chandima

      (2012)

      Modeling of Asset Integrity Management Process: A Case Study for Computing Operational Integrity Preference Weights.

      International Journal of Computational Systems Engineering

      ISSN 2046-3391.

      Volum 1.

      Hefte 1.

      s.3-12.

      DOI: 10.1504/IJCSYSE.2012.044738

    • Ratnayake, R.M. Chandima

      (2012)

      Sustainable performance of industrial assets: the role of PAS 55-1&2 and human factors.

      International Journal of Sustainable Engineering

      ISSN 1939-7038.

      DOI: 10.1080/19397038.2012.756074

    • Ratnayake, R.M. Chandima; Vik, K.T.

      (2012)

      Quality Surveillance Methodology for Pipe Welding: An Industrial Case Study.

      International Journal of Performability Engineering

      ISSN 0973-1318.

      Volum 8.

      Hefte 6.

      s.635-643.

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2012)

      In-Service Inspection of Static Mechanical Equipment on Offshore Oil and Gas Production Plants: A Decision Support Framework. I: International Conference on Industrial Engineering and Engineering Management: Proceedings of the 2012 IEEE.

      IEEE conference proceedings

      ISBN 978-1-4673-2944-6.

    • Siriwardane, S.A.Sudath C; Ratnayake, R.M. Chandima

      (2012)

      A Simple Criterion to Predict Fracture of Offshore Steel Structures in Extremely-Low Cycle Fatigue Region. I: Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering OMAE2012 Volume I.

      The American Society of Mechanical Engineers (ASME)

      ISBN 9780791844885.

    • Siriwardane, S.A.Sudath C; Ratnayake, R.M. Chandima

      (2012)

      A Damage Model to Estimate Fatigue Life of Steel Connections. I: Proceedings of Nordic Steel Construction Conference, 5-7 September 2012, Oslo, Norway.

      ISBN 978-82-91466-12-5.

      s.663-672.

    • Ratnayake, R.M. Chandima; Panesar, Sukhvir Singh; Raza, Jawad

      (2012)

      Development of a Barrier Management System for Continuous Monitoring and Maintenance of Safety Barriers. I: International Conference on Industrial Engineering and Engineering Management: Proceedings of the 2012 IEEE.

      IEEE conference proceedings

      ISBN 978-1-4673-2944-6.

    • Ratnayake, R.M. Chandima; Jayatilaka, Harsha

      (2012)

      Application of Robust Design Technique in SME Project Finance: A Case Study to Calculate Optimum Set-Points. I: International Conference on Industrial Engineering and Engineering Management: Proceedings of the 2012 IEEE.

      IEEE conference proceedings

      ISBN 978-1-4673-2944-6.

    • Ratnayake, R.M. Chandima

      (2012)

      CHALLENGES IN INSPECTION PLANNING FOR MAINTENANCE OF STATIC MECHANICAL EQUIPMENT ON AGEING OIL AND GAS PRODUCTION PLANTS: THE STATE OF THE ART. I: Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering OMAE2012 Volume I.

      The American Society of Mechanical Engineers (ASME)

      ISBN 9780791844885.

      DOI: 10.1115/omae2012-83248

    • Raza, Jawad; Ratnayake, R.M. Chandima

      (2012)

      Management of tags and tag-related technical information in small and large scale modifications : an application for a drilling rig. I: Advances in Production Management Systems. Value Networks: Innovation, Technologies, and Management.

      Springer Science+Business Media B.V.

      ISBN 978-3-642-33979-0.

      s.200-212.

      DOI: 10.1007/978-3-642-33980-6_24

    • Ratnayake, R.M. Chandima; Vik, K.T.

      (2012)

      Weld integrity assurance: A case study for prioritizing welding quality deterioration factors in piping components fabrication.

      International Journal of Computational Systems Engineering

      ISSN 2046-3391.

      Volum 1.

      Hefte 2.

      s.118-126.

      DOI: 10.1504/IJCSYSE.2012.050235

    • Ratnayake, R.M. Chandima; Samarakoon, Samindi; Gudmestad, Ove Tobias

      (2011)

      Integrity management for sustainable asset operations : the role of qualification processes. I: Proceedings of the 24th International Congress on Condition Monitoring and Diagnostics Engineering Management (COMADEM2011).

      COMADEM International

      ISBN 0-9541307-2-3.

      s.711-721.

    • Ratnayake, R.M. Chandima

      (2011)

      A Decision Model for Executing Plant Strategy: Maintaining the Technical Integrity of Petroleum Flowlines.

      International Journal of Decision Sciences, Risk and Management

      ISSN 1753-7169.

      DOI: 10.1504/ijdsrm.2012.046602

    • Ratnayake, R.M. Chandima; Samarakoon, Samindi; Markeset, Tore

      (2011)

      Maintenance Integrity: Managing Flange Inspections On Aging Offshore Production Facilities (OMAE2011-49050). I: 30th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2011) - Vol. III.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-4435-9.

      DOI: 10.1115/omae2011-49050

    • Ratnayake, R.M. Chandima; Balasooriya, B.M. Chinthaka P.

      (2011)

      Sustainable Rice Production: A Case Study on Performance Evaluation of a Seeder.

      Management and Production Engineering Review

      ISSN 2080-8208.

      Volum 2.

      Hefte 4.

      s.50-56.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2011)

      Asset integrity management for sustainable industrial operations: measuring the performance.

      International Journal of Sustainable Engineering

      ISSN 1939-7038.

      s.1-14.

      DOI: 10.1080/19397038.2011.581391

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2011)

      Review of current trends in asset integrity management. I: Proceedings of the 24th International Congress on Condition Monitoring and Diagnostics Engineering Management (COMADEM2011).

      COMADEM International

      ISBN 0-9541307-2-3.

      s.705-710.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2010)

      Implementing company policies in plant level asset operations: measuring organisational alignment.

      European Journal of Industrial Engineering

      ISSN 1751-5254.

      Volum 4.

      Hefte 3.

      s.355-371.

      DOI: 10.1504/EJIE.2010.033335

    • Markeset, Tore; Ratnayake, R.M. Chandima

      (2010)

      Maintaining technical integrity of petroleum flowlines on offshore installations : a decision support system for inspection planning. I: 29th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2010) : Shanghai, China, June 6-11, 2010.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-3873-0.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2010)

      Maintaining Technical Integrity of Petroleum Flowlines on Offshore Installations: A Decision Support System for Inspection Planning. I: 29th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2010) : Shanghai, China, June 6-11, 2010.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-3873-0.

      s.1-11.

    • Ratnayake, R.M. Chandima

      (2010)

      Asset integrity management : operationalizing sustainability concerns. I: Handbook on business information systems.

      World Scientific

      ISBN 978-981-283-605-2.

      s.323-357.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2010)

      Technical integrity management: measuring HSE awareness using AHP in selecting a maintenance strategy.

      Journal of Quality in Maintenance Engineering

      ISSN 1355-2511.

      Volum 16.

      Hefte 1.

      s.44-63.

      DOI: 10.1108/13552511011030327

  • Bøker og kapitler
    • jakobsen, Jan-Tore; RATNAYAKE MUDIYANSELAGE, Chandima; Sem, Sølve Sætre; Neverdal, Arnfinn

      (2021)

      Investigating Optimal Parameter Combination for Friction Stir Spot Welding on AL7075-T6: Engineering Robust Design.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-8507-9.

    • Barré, Arnaud; Ratnayake, R.M. Chandima

      (2014)

      VRI Project-RBI for Wind Turbine: Final report – Sluttrapporten:.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2010)

      Maintaining Technical Integrity of Petroleum Flowlines on Offshore Installations: A Decision Support System for Inspection Planning. I: 29th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2010) : Shanghai, China, June 6-11, 2010.

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-3873-0.

  • Formidling
    • RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Application of Lean Six Sigma Methodology and Queueing. Theory to Minimize Systemic Variability: A Case Study from Public Services.

    • Bhardwaj, Sachin; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Challenges Due to Welds Fabricated at a Close Proximity On Offshore Structures, Pipelines, And Piping: State Of The Art.

    • RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Mechanization of Qualitative Risk Based Inspection Analysis.

    • Samarakoon, Mudiyansele Samindi Manjula K; RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      ON THE NECESSITY FOR MINIMIZING RISK BASED TECHNOLOGY QUALIFICATION VARIABILITY: AN APPLICATION TO OFFSHORE FLOATING WIND TURBINES.

    • RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Technological Elements of Circular Economy: Role of Material Technology in Circular Manufacturing, Fabrication and Construction.

    • RATNAYAKE MUDIYANSELAGE, Chandima

      (2020)

      Offshore Engineering Capacity Building in Sri Lanka.

    • Bhardwaj, Sachin; Keprate, Arvind; RATNAYAKE MUDIYANSELAGE, Chandima; Ficquet, Xavier

      (2020)

      Machine learning approach for estimating residual stresses in girth welds of topside piping .

    • RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE

      (2018)

      Product Development – An Engineering Perspective to Innovation.

    • Ratnayake, R.M. Chandima

      (2017)

      Use of Lean Concepts in Innovation.

    • Ratnayake, R.M. Chandima

      (2017)

      IEEM 2017 - Program Committee.

    • Ratnayake, R.M. Chandima

      (2017)

      Risk-based integrity assessment and control .

    • Yahya, Andika Rachman; Ratnayake, R.M. Chandima

      (2017)

      A Game-Based Learning System to Disseminate Kanban Concept in Engineering Context: A Case Study from Risk-Based Inspection Project.

    • Yahya, Andika Rachman; Ratnayake, R.M. Chandima

      (2017)

      Lean Execution of Engineering Projects: The Potential Application of Case- Based Reasoning to Facilitate Cross-Project Knowledge Transfer.

    • Ratnayake, R.M. Chandima

      (2016)

      Project title: Innovative Learning Approaches for Implementation of Lean Thinking to Enhance Office and Knowledge Work Productivity; Key Action ": Strategic Parnerships; EC Project Number: 2016-1-PL01-KA203-026293 National Project ID: 000001749 Co-funded by European Union.

    • Ratnayake, R.M. Chandima

      (2016)

      NordERP – Northern Embrace for Enterprise Resource Planning System; Project number NPHZ-2016/10041; NORDPLUS program .

    • Ratnayake, R.M. Chandima

      (2016)

      LEAN Training by doing and training on the go as effective approaches to lean manufacturing Project n. 2015-1-IT01-KA202-004749 [CUP G36G15000280006] Co-funded by the Erasmus+ Programme of the European Union.

    • Ratnayake, R.M. Chandima

      (2016)

      Development of a Training Program: Implementation of Lean Manufacturing Philosophy in the Petroleum Industry.

    • Ratnayake, R.M. Chandima; Antosz, Katarzyna

      (2016)

      Development of risk matrix and extending risk based maintenance analysis with 'fuzzy logic'.

    • Stadnicka, Dorota; Ratnayake, R.M. Chandima

      (2016)

      Enhancing aircraft maintenance services: a VSM based case study.

    • Ratnayake, R.M. Chandima

      (2016)

      Risk based integrity assessment and control of subsea assets: An expert system based approach .

    • Ratnayake, R.M. Chandima

      (2015)

      Asset Integrity Management Strategy Across Various Operating Environments .

    • Ratnayake, R.M. Chandima

      (2015)

      Measuring the Organizational Alignment for Assessing Asset Integrity Gaps (Having a Better Understanding of Asset Integrity). Read more: http://www.digitalenergyjournal.com/event/Having_a_Better_Understanding_of_Asset_Integrity/asdfa.aspx#ixzz3ZO5XC2aC.

    • Ratnayake, R.M. Chandima

      (2015)

      Asset integrity - make sure your company is aligned.

    • Ratnayake, R.M. Chandima; Balasooriya, P.

      (2015)

      Re-design, Fabrication and Performance Evaluation of Manual Conical Drum Seeder: A Case Study.

    • Zahirian, Sina; Ratnayake, R.M. Chandima

      (2015)

      Re-Evaluation of Tag Safety Critical Status in an FPSO: A Case Study for Recognizing Inconsistencies.

    • Ratnayake, R.M. Chandima

      (2015)

      Risk Based Integrity Assessment and Control of Subsea Assets: An Expert System Based Approach for Inspection Planning .

    • Ratnayake, R.M. Chandima

      (2015)

      Building a Robust Inspection and Maintenance Programme for Brownfield Assets to Maximise Asset Reliability.

    • Ersdal, Gerhard; Haleem, Hesham; Ratnayake, R.M. Chandima

      (2015)

      Panel Discussion: Extending the Life of Aging Assets in the North Sea and Around the Globe.

    • Ratnayake, R.M. Chandima

      (2014)

      Use of Artificial Intelligence (AI) to Support Human Judgments for Managing Subsea Asset Integrity.

    • Ratnayake, R.M. Chandima

      (2014)

      Subsea Pipeline Systems Inspection and Risk Based Integrity Management.

    • Ratnayake, R.M. Chandima; Samarakoon, Samindi; Gudmestad, Ove Tobias

      (2014)

      Use of Technology Qualification in Offshore Oil and Gas Operations: An FMECA Analysis for Mitigating Potential Failures.

    • Ratnayake, R.M. Chandima; Brevik, Vegard

      (2014)

      Underwater Friction Stud Welding: Evaluating Optimum Parameter Settings for Subsea Intervention Without a Shroud.

    • Ratnayake, R.M. Chandima

      (2014)

      Application Potential of Lean Concepts in the Process Industry: An Analogy between the Energy Production and Discrete Manufacturing Sector.

    • Ratnayake, R.M. Chandima

      (2014)

      Effective Project Management Strategies for Meeting On-Time Production Targets.

    • Ratnayake, R.M. Chandima

      (2014)

      Lead Interactive discussion: Challenges to asset integrity throughout the lifecycle, R.M. Chandima Ratnayake and John Woodhouse.

    • Ratnayake, R.M. Chandima

      (2013)

      Engineering asset integrity management for sustainable performance - Speaker.

    • Ratnayake, R.M. Chandima

      (2013)

      Translating Sustainability Concerns at Plant Level Asset Operations: Industrial Performance Assessment’ Plenary session- 4th International Conference, "Biosystems Engineering 2013", May 09-10, 2013 in Tartu, Estonia.

    • Ratnayake, R.M. Chandima; Samarakoon, Samindi

      (2013)

      STRUCTURAL INTEGRITY CONTROL OF AGEING OFFSHORE STRUCTURES: PRIORITIZING SMR SCHEME/TECHNIQUE FOR DAMAGED STRUCTURES.

    • Ratnayake, R.M. Chandima; Stadnicka, Dorota; Antosz, Katarzyna

      (2013)

      Deriving an Empirical Model for Machinery Prioritization: Mechanical Systems Maintenance.

    • Ratnayake, R.M. Chandima

      (2013)

      Utilization of Piping Inspection Data for Continuous Improvement: a methodology to Visualize Coverage and Finding Rates.

    • Ratnayake, R.M. Chandima

      (2013)

      Assessing sustainable performance in continuous type production and discrete type manufacturing systems: Analytic hierarchy process (AHP) approach; Assuring continuous type production and discrete type manufacturing systems integrity: Role of reliability centered maintenance and risk based inspection analysis;Future trends in continuous type production and discrete type manufacturing systems: Role of integrated operations and flexible manufacturing systems.

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2013)

      Residual Service Life Prediction of Offshore Concrete Structures with Chloride-Induced Damage: The State Of The Art.

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima; Siriwardane, S.A.Sudath C

      (2013)

      Structural Integrity Control of Ageing Offshore Structures: Repairing and Strengthening with Grouted Connections.

    • Ratnayake, R.M. Chandima

      (2013)

      What works and what doesn't with managing offshore engineering data.

    • Ratnayake, R.M. Chandima; Kusumawardhani, Mayang

      (2013)

      Reliability Analysis of Condition Monitoring Data on Aging Plants: A Case Study from Topside Static Mechanical Systems.

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2013)

      In-Service Inspection of Offshore Concrete Structures: Application of an Expert System.

    • Samarakoon, Samindi; Ratnayake, R.M. Chandima

      (2013)

      Use of Engineering Robust Design Approach to Improve the Surface Quality of Pre-cast Concrete Elements: An Experimental Approach.

    • Ratnayake, R.M. Chandima

      (2013)

      Engineering asset integrity management for sustainable performance - Aberdeen UK 2013.

    • Ratnayake, R.M. Chandima

      (2013)

      Featuring Keynote: Devising Effective Project Management Strategies to Achieve On-Time Production Targets.

    • Imam, Syeda Fahmida; Raza, Jawad; Ratnayake, R.M. Chandima

      (2013)

      World Class Maintenance (WCM): Measurable Indicators Creating Opportunities for the Norwegian Oil and Gas Industry.

    • Ratnayake, R.M. Chandima

      (2013)

      A Mathematical Framework for Parameter Designing Under the Noise: A Case Study from a Conventional Turning Machine.

    • Ratnayake, R.M. Chandima

      (2013)

      Plant Systems and Equipment Maintenance: Use of Fuzzy Logic for Criticality Assessment in NORSOK Standard Z-008.

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2013)

      In-Service Inspection of Static Mechanical Equipment: Use of a Fuzzy Inference System for Maintaining the Quality of an Inspection Program.

    • Ratnayake, R.M. Chandima; Panesar, Sukhvir Singh; Raza, Jawad

      (2012)

      Development of a Barrier Management System for Continuous Monitoring and Maintenance of Safety Barriers.

    • Ratnayake, R.M. Chandima

      (2012)

      Engineering asset integrity management for sustainable performance.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2012)

      Asset Integrity Management Towards Sustainable Performance.

      Maintworld

      ISSN 1798-7024.

      Volum 4.

      Hefte 1.

      s.18-22.

    • Seneviratne, A.M.N.Dammika B.; Ratnayake, R.M. Chandima

      (2012)

      In-Service Inspection of Static Mechanical Equipment on Offshore Oil and Gas Production Plants: A Decision Support Framework.

    • Ratnayake, R.M. Chandima; Jayatilaka, Harsha

      (2012)

      Application of Robust Design Technique in SME Project Finance: A Case Study to Calculate Optimum Set-Points.

    • Ratnayake, R.M. Chandima

      (2012)

      Reviewing the Various Strengthening Techniques Available to Toughen Up Ageing Platforms.

    • Siriwardane, S.A.Sudath C; Ratnayake, R.M. Chandima

      (2012)

      A Damage Model to Estimate Fatigue Life of Steel Connections.

    • Ratnayake, R.M. Chandima

      (2011)

      Strategies for Maintenance of Aging Engineering Assets: Challenges in North Sea Oil and Gas Production/Process Facilities.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2011)

      Review of Current Trends in Asset Integrity Management.

    • Ratnayake, R.M. Chandima

      (2011)

      Oil and Gas Asset Integrity Management: Sustainability Perspective.

    • Raza, Jawad; Ratnayake, R.M. Chandima

      (2011)

      Closing the gaps for managing equipment information in small and large scale maintenance and modification projects.

    • Ratnayake, R.M. Chandima; Samarakoon, Samindi; Markeset, Tore

      (2011)

      Maintenance Integrity: Managing Flange Inspections On Aging Offshore Production Facilities (OMAE2011-49050).

    • Ratnayake, R.M. Chandima

      (2011)

      Petroleum and Offshore Engineering: Future Research.

    • Ratnayake, R.M. Chandima

      (2011)

      Petroleum and Offshore Engineeing: Future Research.

    • Ratnayake, R.M. Chandima

      (2011)

      Engineering AIM for Sustainability (AIM - Asset Integrity Management).

    • Ratnayake, R.M. Chandima

      (2011)

      Risk Based Inspection Management: Role of Plant strategy and Challenges of Maintaining Aging Offshore Structures on the North Sea.

    • Ratnayake, R.M. Chandima; Markeset, Tore

      (2010)

      Maintaining Technical Integrity of Petroleum Flowlines on Offshore Installations: A Decision Support System for Inspection Planning.

  • Kunstnerisk produksjon
    • Ratnayake, R.M. Chandima

      (2017)

      ISOPE 2017 - TPC member.

  • Kommersialisering
  • Cristin hovedlogo, Cristin current research information system in Norway