Et profilbilde

Professor
CHANDIMA RATNAYAKE RATNAYAKE MUDIYANSELAGE { "honorific-suffix": "Professor", "fn": "CHANDIMA RATNAYAKE RATNAYAKE MUDIYANSELAGE", "tel": "Telefon: 51831938", "email": "chandima.ratnayake@uis.no" }

Avdeling/enhet Det teknisk- naturvitenskapelige fakultet
Institutt/senter Institutt for maskin, bygg og materialteknologi
Rom KE E-212
Hjemmeside www.uis.no
Merknader Office: KE E-212

Associate Editor - Offshore Technology: Structures, Safety, and Reliability, https://journaltool.asme.org/home/Mastheads.cfm?JournalID=13

Regional Editor Europe: International Journal of Adaptive and Innovative systems: https://www.inderscience.com/jhome.php?jcode=ijais#edboard-content

Editor - Offshore Engineering: Open Engineering, https://www.degruyter.com/view/j/eng

Member of Editorial Board - International Journal of Computational Systems Engineering: https://www.inderscience.com/jhome.php?jcode=ijcsyse

Teacher/advisor - Centre for Advanced and Professional Education - "Asset Integrity Assessment and Control of Offshore Physical Assets", http://cape.utp.edu.my/teachers/prof-dr-r-m-chandima-ratnayake/

Lead - Lean Learning Academy (EU projects: LEAN_2015-1-IT01-KA202-004749 (298.800,00 Euro), ILA-LEAN_2016-1-PL01-KA203-026293 (218.895,00 Euro ),  I-TRACE_2018-1-IT01-KA202-006836 (284.155,00 Euro), DIG-MAN_2019-1-EE01-KA203-051585 (352.971,00 Euro): www.uis.no/leanacademy

Member - https://www.ntva.no/ratnayake-r-m-chandima/  

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 150 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.                                                                                                                   
                          

 

Forskningsområder

Welding technology (arc welding, and friction welding, computer aided engineering [CNC  (ISO and Mazatrol systems), CAPP, GT, CAM, and CIM], product development and innovation, additive manufacturing, Risk based integrity assessment and control of onshore and offshore mechanical & structural systems, Operations management, Application of statistical approaches for process improvement, Lean/Lean-six-sigma application in process industry,   Improving health, safety and environmental performance, Optimizing operations in varying weather conditions,  integrity control of O&G  production & process systems, product and systems development, Welding and welding quality assessment & control, Fatigue analysis in static process systems,  Lean manufacturing, Lean six-sigma applications, Computer aided systems optimization, Mechanical and Industrial process systems optimization,  In-service inspection and maintenance engineering (Risk based inspection, Reliability centered maintenance & Risk based maintenance), Optimization of industrial processes and asset operations, expert systems and artificial intelligence,  Production technology and planning, Sustainable engineering, minimizing health, safety and environmental challenges in industrial asset operations, Quality control of mechanical systems, robotics and robot programming, augmented and virtual reality (AR/VR) applications in design review, product developments and engineering operations' enhancements.

Pågående forskning

PhD projects ongoing 

·    Sachin Bhardwaj (2019-2021), Main advisor: Title (Tentative) - Arc welding: investigation of material, mechanical, and structural characteristics of a weld fabricated close to another weld on Onshore and Offshore systems, University of Stavanger, Norway.

.    Felix Sathyapillay (2019-2021), Main advisor: Title (Tentative) - Implementation of lean concepts in public services - Politi_Rogaland and University of Stavanger, Norway.

.   Biskupska, Daria (2019-2021), Main advisor: Title (Tentative) - Lean daily management in petroleum projects' assessment and control, National Oilwell Varco and University of Stavanger, Norway.

PhD projects completed

·    Andika Rachman (2016-2019), Main advisor: Title (Tentative) - Use of Artificial Intelligence (AI) to Lean Risk Based Inspection Assessment Process, University of Stavanger, Norway.

· 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.

·  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.

PhD examination chairing

 · 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 

 ·    Maheshwaran Gopalakrishnan (2018), ?Data-driven Decision Support for Maintenance Prioritization?, PhD Grading committee member, Department of Industrial and Materials Science, Chalmers University of Technology, Sweeden.

·  Iraj Toloue Sheikhzadeh Yazd, (2018), ?Smart Hybrid Vibration Control of Frames?, Opponent and Examiner, Department of Civil Engineering, Universiti Teknologi Petronas, Malaysia.

·   Jyoti Prasad Bhandari (2018), ?Reliability and Integrity Management of Ocean Structures?, Examiner, University of Tasmania, Australia.

·   Ruwan Weerasinha (2017), PhD thesis Title:  ?Design and Construction of an Automated Acid Rain Monitoring Station?, Examiner, Faculty of Science, University of Colombo, Sri Lanka.

·    Hongyang Yu, (2016), PhD thesis Title:  ?Development of Advanced Fault Diagnosis Techniques for Complex Industrial Processes?, Examiner, University of Tasmania, Australia.

· J.P. Agbakwuru (2013), ?Methods for Close-visual Inspection of Pipelines in Muddy water?, Administrator and member of assessment committee, University of Stavanger, Norway.

Arbeidserfaring


Examiner - Professor Promotion - Evaluation

  • Dr. NOR HISHAM HAMID (2018) - Promotion to Professor MA5 - Department of Electrical and Electronic Engineering, Universiti Teknologi PETRONAS, Malaysia.
  • Dr. Salameh A. Sawalha (2018) - Promotion to full Professor in Mechanical Engineering, Al-Balqa' Applied Universtiy, AL-Salt 19117, Jordan

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

04.2017 ? To date

Member of NTVA - Norwegian Academy of Technological Sciences

http://www.ntva.no/hva-kan-den-nye-velferdsteknologien-komme-til-a-bety-for-samfunnet-og-enkeltmenneskene/

 

NTVA, Trondheim

 04.2014 - To date

University of Stavanger (100%)

Professor of Mechanical Engineering: Department of

Mechanical and Structural Engineering and Materials Science

 Stavanger

Norway

08.2017 - 08.2018

Visiting Professor - Department of Process Engineering, Memorial University, St. John?s NL Canada

St. Jonh?s

Canada

 01.2018 - 01.2020

Visiting Professor ? Department of Civil Engineering, University of Petronas, Malaysia.

Perak,

Malaysia

 07.2010 ? 04.2014

University of Stavanger (100%)

 Associate Professor of Mechanical Engineering: Department of

Mechanical and Structural Engineering and Materials Science

 Stavanger

Norway

03-2014 ? To date

Wood Group Kenny Norge AS (20%)

Integrity Management Technical ? Senior Advisor: WIGM Department, Stavanger, Norway.

 11.2012 ? 02.2014

 ApplySørco AS. (20%)

Maintenance Specialist: Department of Asset Integrity Management and Maintenance Engineering,

Stavanger/ Forus, Norway

01.06.2012- To date

Univeristy of Tromsø,

External Examiner: Department of Engineering Science and Safety, UiT,  Tromsø, Norway

06.2009 -07.2010

University of Stavanger,  Stavanger

 Visiting Associate Professor: Department of Mechanical and Structural Engineering and Materials Science,  Norway

 01.2009-03.2011

AkerSolutions, Aker Offshore Partner AS, Stavanger

 Senior Engineer: Department of Maintenance Engineering and Materials Technology,  Norway

 08.2007-12.2008

University of Stavanger, Stavanger

 Assistant Professor: Department of Mechanical and Structural Engineering and Materials Science,  Norway

 08.2006-12.2009

University of Stavanger

PhD - Doctoral Research fellow: Department of Mechanical and Structural Engineering and Materials Science,  Stavanger, Norway

09.2006-12.2007

University of Stavanger

Consultant: Department of Mechanical and Structural Engineering and Materials Science: Center for Industrial Asset Management,  Stavanger,  Norway

03.2004-08.2006

University of Peradeniya, Peradeniya

 Lecturer: Department of Production Engineering,  Sri Lanka

12.2001-03.2004

University of Ruhuna, Wakwella, Galle

 Lecturer: Department of Mechanical and Manufacturing Engineering,  Sri Lanka

 05.2003-10.2003

University of Peradeniya, Peradeniya

 Visiting Lecturer: Department of Production Engineering, Sri Lanka

10.2002-04.2003

University of Peradeniya

Peradeniya

 Visiting Lecturer: Department of Production Engineering

 Sri Lanka

01.2002-12.2002

Sir John Kothalawala Defense University (Academy)

Ratmalana, Colombo,        

 Sri Lanka

 Visiting Lecturer: Department of Mechanical and Marine Engineering

 06.2001-12.2001

Sir John Kothalawala Defense University (Academy)

 Lecturer: Department of Mechanical and Marine Engineering

Ratmalana, Colombo,         

Sri Lanka

05.2001-12.2001

Open University of Sri Lanka

 Visiting Academic: Department of Mechanical Engineering ? Diploma in Technology

Nawala,  Colombo, Sri Lanka

 

Nawala

 Unit Author: Department of Mechanical Engineering ? Diploma in Technology-Foundation Level

Colombo, Sri Lanka

 11.2000-12.2001

Open University of Sri Lanka, Nawala

 Consultant: Department of Mechanical Engineering ? Diploma in Technology, Colombo, Sri Lanka 

 09.1999-05.2000

University of Peradeniya, Peradeniya

Production Engineering Instructor: Department of Production Engineering,  Sri Lanka

 06.1993-07.1995

CIC Fertilizers (Pvt) Ltd.,Kurunegala

 Overseer: Fertilizers Blending Plant - Kurunegala, Sri Lanka

Vitenskapelige publikasjoner (fra CRISTin)

  • Barré, Arnaud; Ratnayake, R.M. Chandima (2014). VRI Project-RBI for Wind Turbine: Final report – Sluttrapporten:. International research institute of Stavanger/Sveiseteknologi, Sokndalsveien 26, 4372 Egersund. 66 s.
  • Rachman, Andika; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE (2019). Corrosion loop development of oil and gas piping system based on machine learning and group technology method.
  • Yahya, Andika Rachman; RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE (2019). Applications of machine learning in pipeline integrity management: a state-of-the-art review.
  • RATNAYAKE MUDIYANSELAGE, CHANDIMA RATNAYAKE (2018). Product Development – An Engineering Perspective to Innovation.
  • 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. IEEE; 2017-12-10 - 2017-12-13.
  • Ratnayake, R.M. Chandima (2017). IEEM 2017 - Program Committee. http://www.ieem.org/public.asp?page=prog-committee.htm. [Fagblad]; 2017-12-10.
  • Ratnayake, R.M. Chandima (2017). ISOPE 2017 - TPC member. USA. [Tidsskrift]; 2017-06-25.
  • Ratnayake, R.M. Chandima (2017). Risk-based integrity assessment and control. OPEX event group; 2017-02-22 - 2017-02-24.
  • Ratnayake, R.M. Chandima (2017). Use of Lean Concepts in Innovation. samarbeidsutvikling: http://www.samarbeidsutvikling.no;
  • 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. IEEE; 2017-12-10 - 2017-12-13.
  • Ratnayake, R.M. Chandima (2016). Development of a Training Program: Implementation of Lean Manufacturing Philosophy in the Petroleum Industry. www.nkfstavanger.org/; 2016-06-02 - 2016-06-03.
  • 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). NordERP – Northern Embrace for Enterprise Resource Planning System; Project number NPHZ-2016/10041; NORDPLUS program.
  • 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). Risk based integrity assessment and control of subsea assets: An expert system based approach. IQPC; 2016-02-16 - 2016-02-17.
  • Ratnayake, R.M. Chandima; Antosz, Katarzyna (2016). Development of risk matrix and extending risk based maintenance analysis with 'fuzzy logic'. Association of Engineering, Project, & Production Managemet; 2016-09-21 - 2016-09-23.
  • Stadnicka, Dorota; Ratnayake, R.M. Chandima (2016). Enhancing aircraft maintenance services: a VSM based case study. Association of Engineering, Project, & Production Managemet; 2016-09-21 - 2016-09-23.
  • 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. 2015-02-11 - 2015-02-12.
  • Ratnayake, R.M. Chandima (2015). Asset Integrity Management Strategy Across Various Operating Environments. Zenith Energie; 2015-03-26 - 2015-03-27.
  • Ratnayake, R.M. Chandima (2015). Asset integrity - make sure your company is aligned. Digital Energy Journal; 2015-05-05.
  • Ratnayake, R.M. Chandima (2015). Building a Robust Inspection and Maintenance Programme for Brownfield Assets to Maximise Asset Reliability. 2015-02-11 - 2015-02-12.
  • 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. Digital Energy Journal; 2015-05-05.
  • Ratnayake, R.M. Chandima (2015). Risk Based Integrity Assessment and Control of Subsea Assets: An Expert System Based Approach for Inspection Planning. IQPC; 2015-11-25 - 2015-11-26.
  • Ratnayake, R.M. Chandima; Balasooriya, P. (2015). Re-design, Fabrication and Performance Evaluation of Manual Conical Drum Seeder: A Case Study. United Nations; 2015-05-01 - 2015-05-05.
  • Zahirian, Sina; Ratnayake, R.M. Chandima (2015). Re-Evaluation of Tag Safety Critical Status in an FPSO: A Case Study for Recognizing Inconsistencies. ASME; 2015-05-31 - 2015-06-05.
  • Ratnayake, R.M. Chandima (2014). Application Potential of Lean Concepts in the Process Industry: An Analogy between the Energy Production and Discrete Manufacturing Sector. Lean Learning Academy Polska; 2014-05-16.
  • Ratnayake, R.M. Chandima (2014). Effective Project Management Strategies for Meeting On-Time Production Targets. IQPC - Oil and Gas IQ; 2014-01-27 - 2014-01-29.
  • Ratnayake, R.M. Chandima (2014). Lead Interactive discussion: Challenges to asset integrity throughout the lifecycle, R.M. Chandima Ratnayake and John Woodhouse. Oil and Gas IQ - IQPC; 2014-01-27 - 2014-01-29.
  • Ratnayake, R.M. Chandima (2014). Subsea Pipeline Systems Inspection and Risk Based Integrity Management. 2014-11-24 - 2014-11-25.
  • Ratnayake, R.M. Chandima (2014). Use of Artificial Intelligence (AI) to Support Human Judgments for Managing Subsea Asset Integrity. Digital Energy Journal; 2014-12-09.
  • Ratnayake, R.M. Chandima; Brevik, Vegard (2014). Underwater Friction Stud Welding: Evaluating Optimum Parameter Settings for Subsea Intervention Without a Shroud. ASME; 2014-06-08 - 2014-06-13.
  • 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. ASME; 2014-06-08 - 2014-06-13.
  • 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. IEEE; 2013-12-10 - 2013-12-13.
  • Ratnayake, R.M. Chandima (2013). A Mathematical Framework for Parameter Designing Under the Noise: A Case Study from a Conventional Turning Machine. IEEE; 2013-12-10 - 2013-12-13.
  • 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. Estonian University of Life Sciences:Institute of Technology; 2013-05-08.
  • Ratnayake, R.M. Chandima (2013). Engineering asset integrity management for sustainable performance - Aberdeen UK 2013. Oil and Gas IQ - IQPC; 2013-09-30 - 2013-10-02.
  • Ratnayake, R.M. Chandima (2013). Engineering asset integrity management for sustainable performance - Speaker. IQPC; 2013-01-28 - 2013-01-30.
  • Ratnayake, R.M. Chandima (2013). Featuring Keynote: Devising Effective Project Management Strategies to Achieve On-Time Production Targets. MarcusEvans; 2013-11-25 - 2013-11-27.
  • Ratnayake, R.M. Chandima (2013). Plant Systems and Equipment Maintenance: Use of Fuzzy Logic for Criticality Assessment in NORSOK Standard Z-008. IEEE; 2013-12-10 - 2013-12-13.
  • 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. Estonian University of Life Sciences:Institute of Technology; 2013-05-08 - 2013-05-10.
  • Ratnayake, R.M. Chandima (2013). Utilization of Piping Inspection Data for Continuous Improvement: a methodology to Visualize Coverage and Finding Rates. ASME;
  • Ratnayake, R.M. Chandima (2013). What works and what doesn't with managing offshore engineering data. Digital Energy Journal; 2013-10-30.
  • Ratnayake, R.M. Chandima; Kusumawardhani, Mayang (2013). Reliability Analysis of Condition Monitoring Data on Aging Plants: A Case Study from Topside Static Mechanical Systems. 2013-12-10 - 2013-12-13.
  • Ratnayake, R.M. Chandima; Samarakoon, Samindi (2013). STRUCTURAL INTEGRITY CONTROL OF AGEING OFFSHORE STRUCTURES: PRIORITIZING SMR SCHEME/TECHNIQUE FOR DAMAGED STRUCTURES. 2013-12-13 - 2013-12-15.
  • Ratnayake, R.M. Chandima; Stadnicka, Dorota; Antosz, Katarzyna (2013). Deriving an Empirical Model for Machinery Prioritization: Mechanical Systems Maintenance. IEEE; 2013-12-10 - 2013-12-13.
  • Samarakoon, Samindi; Ratnayake, R.M. Chandima (2013). In-Service Inspection of Offshore Concrete Structures: Application of an Expert System. IEEE; 2013-12-10 - 2013-12-13.
  • Samarakoon, Samindi; Ratnayake, R.M. Chandima (2013). Residual Service Life Prediction of Offshore Concrete Structures with Chloride-Induced Damage: The State Of The Art. ASME; 2013-06-09 - 2013-06-14.
  • 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; 2013-12-10 - 2013-12-13.
  • 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. ASME; 2013-06-09 - 2013-06-14.
  • 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; 2013-12-10 - 2013-12-13.
  • Ratnayake, R.M. Chandima (2012). Engineering asset integrity management for sustainable performance. IQPC; 2012-03-11 - 2012-03-15.
  • Ratnayake, R.M. Chandima (2012). Reviewing the Various Strengthening Techniques Available to Toughen Up Ageing Platforms. UTP, MSSA and marcus evans; 2012-11-19 - 2012-11-21.
  • Ratnayake, R.M. Chandima; Jayatilaka, Harsha (2012). Application of Robust Design Technique in SME Project Finance: A Case Study to Calculate Optimum Set-Points. IEEE TMC Singapore / IEEE Singapore / IEEE SMC Hong Kong; 2012-12-10 - 2012-12-13.
  • Ratnayake, R.M. Chandima; Markeset, Tore (2012). Asset Integrity Management Towards Sustainable Performance.
  • Ratnayake, R.M. Chandima; Panesar, Sukhvir Singh; Raza, Jawad (2012). Development of a Barrier Management System for Continuous Monitoring and Maintenance of Safety Barriers. IEEE TMC Singapore / IEEE Singapore / IEEE SMC Hong Kong; 2012-12-10 - 2012-12-13.
  • 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. IEEE TMC Singapore / IEEE Singapore / IEEE SMC Hong Kong; 2012-12-10 - 2012-12-13.
  • Siriwardane, S.A.Sudath C; Ratnayake, R.M. Chandima (2012). A Damage Model to Estimate Fatigue Life of Steel Connections. Norsk Stålforbund (Norwegian Steel Association) and NTNU; 2012-09-05 - 2012-09-07.
  • Ratnayake, R.M. Chandima (2011). Engineering AIM for Sustainability (AIM - Asset Integrity Management). Rzeszow University of Technology, Poland; 2011-03-03.
  • Ratnayake, R.M. Chandima (2011). Oil and Gas Asset Integrity Management: Sustainability Perspective. Universitetet i Stavanger, UiS Pluss; 2011-11-30.
  • Ratnayake, R.M. Chandima (2011). Petroleum and Offshore Engineeing: Future Research. Indstrial Technology Institute (ITI), Sri lanka; 2011-01-04.
  • Ratnayake, R.M. Chandima (2011). Petroleum and Offshore Engineering: Future Research. Industrial Technology Institute (ITI) [sucessor to the Ceylon Institute of Scientific & Industrial Research (CISIR)]; 2011-01-04.
  • Ratnayake, R.M. Chandima (2011). Risk Based Inspection Management: Role of Plant strategy and Challenges of Maintaining Aging Offshore Structures on the North Sea. Rzeszow University of Technology; 2011-03-02.
  • Ratnayake, R.M. Chandima (2011). Strategies for Maintenance of Aging Engineering Assets: Challenges in North Sea Oil and Gas Production/Process Facilities. ERUSMUS Teaching; 2011-05-17 - 2011-05-19.
  • Ratnayake, R.M. Chandima; Markeset, Tore (2011). Review of Current Trends in Asset Integrity Management. 2011-05-30 - 2011-06-01.
  • Ratnayake, R.M. Chandima; Samarakoon, Samindi; Markeset, Tore (2011). Maintenance Integrity: Managing Flange Inspections On Aging Offshore Production Facilities (OMAE2011-49050). American Society of Mechanical Engineers (ASME); 2011-06-19 - 2011-06-24.
  • Raza, Jawad; Ratnayake, R.M. Chandima (2011). Closing the gaps for managing equipment information in small and large scale maintenance and modification projects. University of Stavanger (UIS); 2011-09-26 - 2011-09-28.
  • Ratnayake, R.M. Chandima; Markeset, Tore (2010). Maintaining Technical Integrity of Petroleum Flowlines on Offshore Installations: A Decision Support System for Inspection Planning. Ocean, Offshore and Arctic Engineering Division; 2010-06-06 - 2010-06-11.