Et profilbilde

Associate Professor
Sudath Chaminda Siriwardane Siriwardane Arachchilage { "honorific-suffix": "Associate Professor", "fn": "Sudath Chaminda Siriwardane Siriwardane Arachchilage", "tel": "Telephone: +47 51832177", "email": "sasc.siriwardane@uis.no" }

Faculty Faculty of Science and Technology
Department Department of Mechanical and Structural Engineering and Materials Science
Room KE E-236

Research fields

Selected publications

Research in progress

Work experience

Scientific publications (from Cristin)

  • Aeran, Ashish; Vantadori, Sabrina; Carpinteri, Andrea; Siriwardane, S.A. Sudath C.; Scorza, Daniela (2019). Novel non-linear relationship to evaluate the critical plane orientation. International Journal of Fatigue. ISSN 0142-1123. DOI: 10.1016/j.ijfatigue.2019.02.012.
  • Siriwardane, S.A. Sudath C.; Dissanayake, Ranjith (2019). Mesoscopic plastic strain-based multiaxial fatigue model for random loading. In: ACMSM25 : Proceedings of the 25th Australasian Conference on Mechanics of Structures and Materials. Springer. ISBN 978-981-13-7603-0.
  • Wijesooriya, Indika P.; Siriwardane, S.A. Sudath C.; Dissanayake, Ranjith (2019). Fatigue assessment of corroded bridges: a probabilistic approach. In: ACMSM25 : Proceedings of the 25th Australasian Conference on Mechanics of Structures and Materials. Springer. ISBN 978-981-13-7603-0.
  • Aeran, Ashish; Siriwardane, S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar (2017). A framework to assess structural integrity of ageing offshore jacket structures for life extension. Marine Structures. ISSN 0951-8339. Volume 56. p. 237-259. DOI: 10.1016/j.marstruc.2017.08.002.
  • Aeran, Ashish; Siriwardane, S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar (2017). A new nonlinear fatigue damage model based only on S-N curve parameters. International Journal of Fatigue. ISSN 0142-1123. Volume 103. p. 327-341. DOI: 10.1016/j.ijfatigue.2017.06.017.
  • Aeran, Ashish; Siriwardane, S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar (2017). An accurate fatigue damage model for welded joints subjected to variable amplitude loading. IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volume 276. Booklet 1. p. 1-16. DOI: 10.1088/1757-899X/276/1/012038.
  • Aeran, Ashish; Siriwardane, S.A. Sudath C.; Mikkelsen, Ove; Langen, Ivar (2017). Life Extension of Ageing Offshore Structures: A Framework for Remaining Life Estimation. In: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 3A: Structures, Safety and Reliability. ASME Press. ISBN 978-0-7918-5765-6.
  • Saleh, Hikmat Saaid; Kakay, Samdar; Siriwardane, S.A. Sudath C. (2017). ULTIMATE CAPACITY OF PAD EYES USED FOR LIFTING OPERATIONS: EXPERIMENTAL AND NUMERICAL SIMULATIONS. International Journal of Computational Methods & Experimental Measurements. ISSN 2046-0546. Volume 6. Booklet 3. p. 605-613. DOI: 10.2495/CMEM-V6-N3-605-613.
  • Siriwardane, S.A. Sudath C. (2017). Modal flexibility-based damage detection of truss bridges: A conceptual framework. WIT Transactions on Engineering Sciences. ISSN 1743-3533. Volume 116. p. 131-137. DOI: 10.2495/MC170131.
  • Vestli, Herman; Lemu, Hirpa G.; Svendsen, Bjørn T.; Gabrielsen, Ole; Siriwardane, S.A. Sudath C. (2017). Case studies on structural health monitoring of offshore bottom-fixed steel structures. ISOPE - International Offshore and Polar Engineering Conference. Proceedings. ISSN 1098-6189. p. 965-972.
  • Øyasæter, Fridtjof; Aeran, Ashish; Siriwardane, S.A. Sudath C.; Mikkelsen, Ove (2017). Effect of corrosion on the buckling capacity of tubular members. IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volume 276. Booklet 1. p. 1-18. DOI: 10.1088/1757-899X/276/1/012037.
  • Aeran, Ashish; Siriwardane, S.A. Sudath C.; Mikkelsen, Ove (2016). Life extension of ageing offshore structures: Time dependent corrosion degradation and health monitoring. ISOPE - International Offshore and Polar Engineering Conference. Proceedings. ISSN 1098-6189. Volume 2016, IV. p. 638-645.
  • Bandara, Chaminda S.; Siriwardane, S.A. Sudath C.; Dissanayake, Udaya I.; Dissanayake, Ranjith (2016). Full range S-N curves for fatigue life evaluation of steels using hardness measurements. International Journal of Fatigue. ISSN 0142-1123. Volume 82. p. 325-331. DOI: 10.1016/j.ijfatigue.2015.03.021.
  • Hauge, Geir Tuntland; Kakay, Samdar; Siriwardane, S.A. Sudath C. (2016). Effect of Short Term Rust on Low Cycle Fatigue Strength of Welded Joints. In: 19th Congress of IABSE, Challenges in Design and Construction of an Innovative and Sustainable Built Environment. International Association for Bridge and Structural Engineering. ISBN 978-3-85748-144-4. p. 292-298.
  • Løland, Morten L; Siriwardane, S.A. Sudath C.; Holen, Dag; Stakkeland, Frode (2016). Optimal Design of Wire Sheave Used in Offshore Drilling Operations. Journal of Offshore Mechanics and Arctic Engineering-Transactions of The Asme. ISSN 0892-7219. Volume 138. Booklet 1. DOI: 10.1115/1.4031902.
  • Maheswaran, Jeron; Siriwardane, S.A. Sudath C. (2016). Fatigue life estimation of tubular joints - A comparative study. Fatigue & Fracture of Engineering Materials & Structures. ISSN 8756-758X. Volume 39. Booklet 1. p. 30-46. DOI: 10.1111/ffe.12314.
  • Sæstad, Alexander; Ersdal, Gerhard; Siriwardane, S.A. Sudath C. (2016). Comparison of Deterministic and Probabilistic Fatigue Assessment Methods: A Case Study of a Road Bridge. In: 19th Congress of IABSE, Challenges in Design and Construction of an Innovative and Sustainable Built Environment. International Association for Bridge and Structural Engineering. ISBN 978-3-85748-144-4. p. 275-283.
  • Adasooriya, Mudiyan Nirosha Damayanthi; Siriwardane, S.A. Sudath C. (2015). Remaining Fatigue Life Estimation of Railway Bridge Members Subjected to Time-dependent Corrosion. In: IABSE Conference Geneva 2015. Structural engineering : providing solutions to global challenges. International Association for Bridge and Structural Engineering. ISBN 978-3-85748-140-6. p. 1112-1119.
  • Kajolli, Redion; Siriwardane, S.A. Sudath C.; Gudmestad, Ove Tobias (2015). Application of New damage indicator-based sequential law to estimate fatigue life of offshore jacket structures. In: COMPDYN 2015 5th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering : Proceedings volume 2. European Community on Computional Methods in Applied Sciences (ECCOMAS). ISBN 978-960-99994-7-2. p. 4690-4701.
  • Kvalvåg, Renate; Christerssion, Andreas; Siriwardane, S.A. Sudath C. (2015). Testing for Load Capacity of Pad Eyes used in Offshore Lifting Operations. In: IABSE Conference Geneva 2015. Structural engineering : providing solutions to global challenges. International Association for Bridge and Structural Engineering. ISBN 978-3-85748-140-6. p. 743-747.
  • Maheswaran, Jeron; Siriwardane, S.A. Sudath C. (2015). Stress Concentration Factors of Tubular Joints in Offshore Jacket Structure: A comparative study. In: IABSE Conference Geneva 2015. Structural engineering : providing solutions to global challenges. International Association for Bridge and Structural Engineering. ISBN 978-3-85748-140-6. p. 1420-1427.
  • Siriwardane, S.A.Sudath C (2015). Vibration measurement-based simple technique for damage detection of truss bridges: A case study. Case Studies in Engineering Failure Analysis. ISSN 2213-2902. Volume 4. p. 50-58. DOI: 10.1016/j.csefa.2015.08.001.
  • Adasooriya, Mudiyan Nirosha Damayanthi; Siriwardane, S.A.Sudath C (2014). Remaining fatigue life estimation of corroded bridge members. Fatigue & Fracture of Engineering Materials & Structures. ISSN 8756-758X. Volume 37. Booklet 6. p. 603-622. DOI: 10.1111/ffe.12144.
  • Bandara, Chaminda S.; Siriwardane, S.A.Sudath C; Dissanayake, Udaya I.; Dissanayake, Ranjith (2014). Fatigue failure predictions for steels in the very high cycle region - A review and recommendations. Engineering Failure Analysis. ISSN 1350-6307. Volume 45. p. 421-435. DOI: 10.1016/j.engfailanal.2014.07.015.
  • Bandara, Chaminda S.; Siriwardane, S.A.Sudath C; Dissanayake, Udaya I.; Ranjith, Dissanayake (2014). Developing a full range S–N curve and estimating cumulative fatigue damage of steel elements. Computational materials science. ISSN 0927-0256. Volume 96. p. 96-101. DOI: 10.1016/j.commatsci.2014.09.009.
  • Kajolli, Redion; Siriwardane, S.A.Sudath C; Gudmestad, Ove Tobias (2014). FATIGUE LIFE ESTIMATION OF AN OFFSHORE STEEL JACKET CONSIDERING THE LOADING SEQUENCE EFFECT. In: 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. ASME Press. ISBN 978-0-7918-4545-5.
  • Adasooriya, Mudiyan Nirosha Damayanthi; Siriwardane, S.A.Sudath C; Ohga, M. (2013). A simplified approach to predict the failure of steel members under interaction effect of fracture and fatigue. International Journal of Fatigue. ISSN 0142-1123. Volume 47. p. 161-173. DOI: 10.1016/j.ijfatigue.2012.08.007.
  • Bandara, Chaminda S.; Siriwardane, S.A. Sudath C.; Dissanayake, Udaya I.; Dissanayake, Ranjith (2013). Fatigue Strength Prediction Formulae for Steels and Alloys in the Gigacycle Regime. International Journal of Materials, Mechanics and Manufacturing. ISSN 1793-8198. Volume 1. Booklet 3. p. 256-260.
  • 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. In: ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. ASME Press. ISBN 978-0-7918-5535-5.
  • Kamal, Karunananda; Mitao, Ohga; Dissanayake, Ranjith; Siriwardane, S.A. Sudath C. (2012). Fatigue life prediction of steel bridges for extreme loading using a new damage indicator. JSME international journal. Series A, Solid mechanics and material engineering. ISSN 1344-7912. Volume 6. p. 440-453.
  • Kamal, Karunananda; Mitao, Ohga; Dissanayake, Ranjith; Siriwardane, S.A. Sudath C. (2012). New combined high and low-cycle fatigue model to estimate life of steel bridges considering interaction of high and low amplitudes loadings. Advances in Structural Engineering. ISSN 1369-4332. Volume 15. Booklet 2. p. 313-328.
  • Siriwardane, S.A.Sudath C; Ratnayake, R.M. Chandima (2012). A Damage Model to Estimate Fatigue Life of Steel Connections. In: Proceedings of Nordic Steel Construction Conference, 5-7 September 2012, Oslo, Norway. Norwegian Steel Association. ISBN 978-82-91466-12-5. p. 663-672.
  • 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. In: Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering OMAE2012 Volume I. ASME Press. ISBN 9780791844885.
  • Mitao, Ohga; Kamal, Karunananda; Siriwardane, S.A. Sudath C. (2011). Condition assessment and maintenance of bridges by reliability concept. Lambert Academic Publishing. ISBN 978-3-8443-0226-4. 88 p.
  • Mitao, Ohga; Siriwardane, S.A. Sudath C. (2011). Fatigue Life of Steel Structures under Service and Ultimate Loadings: Recent Concepts, Formulations and Case studies. Lambert Academic Publishing. ISBN 978-3-8443-2687-1. 176 p.
  • Kamal, Karunananda; Mitao, Ohga; Dissanayake, Ranjith; Siriwardane, S.A. Sudath C. (2010). Combined High and Low Cycle Fatigue Model to Estimate Life of Steel Bridges. Journal of Engineering and Technology Research. ISSN 2006-9790. Volume 2. Booklet 8. p. 144-160.
  • Siriwardane, S.A. Sudath C.; Mitao, Ohga; Dissanayake, P.B. Ranjith; Tatsumasa, Kaita (2010). Structural appraisal based different approach to estimate the remaining fatigue life of railway bridges. Structural Health Monitoring. ISSN 1475-9217. Volume 9. Booklet 4. p. 323-339.
  • Siriwardane, S.A. Sudath C.; Mitao, Ohga; Dissanayake, Ranjith; Tatsumasa, Kaita (2009). “Remaining fatigue life estimation of existing railway bridges”, Railway Transportation: Policies, Technology and Perspectives. Nova Science Publishers, Inc.. ISBN 978-1-60692-8639. 37 p.
  • Siriwardane, S.A. Sudath C.; Mitao, Ohga; Tatsumasa, Kaita; Ranjith, Dissanayake (2009). Grain-scale plasticity based fatigue model to estimate fatigue life of bridge connections. Journal of constructional steel research. ISSN 0143-974X. Volume 65. Booklet 10. p. 1942-1953.
  • Siriwardane, S.A. Sudath C.; Mitao, Ohga; Dissanayake, Ranjith; Taniwaki, Kazuhiro (2008). Application of new damage indicator-based sequential law for remaining fatigue life estimation of railway bridges. Journal of constructional steel research. ISSN 0143-974X. Volume 64. Booklet 2.
  • Dissanayake, Ranjith; Herath, KRB; Siriwardane, S.A. Sudath C. (2007). Cyclic plasticity based low- cycle fatigue models for metal structure. Engineer. ISSN 1800-1122. Volume 40. p. 29-43.
  • Siriwardane, S.A. Sudath C.; Dissanayake, Ranjith (2007). Secondary stress based-remaining fatigue life estimation of a riveted bridge connection using new fatigue criterion. Engineer. ISSN 1800-1122. Volume 40. p. |02-108.
  • Siriwardane, S.A. Sudath C.; Mitao, Ohga; Dissanayake, Ranjith; Taniwaki, Kazuhiro (2007). Different approaches for remaining fatigue life estimation of critical members in railway bridges. International Journal of Steel Structures. ISSN 1598-2351. Volume 7. Booklet 4. p. 263-276.
  • Mitao, Ohga; Kamal, Karunananda; Siriwardane, S.A. Sudath C. (2011). Condition assessment and maintenance of bridges by reliability concept. Lambert Academic Publishing. ISBN 978-3-8443-0226-4. 88 p.
  • Mitao, Ohga; Siriwardane, S.A. Sudath C. (2011). Fatigue Life of Steel Structures under Service and Ultimate Loadings: Recent Concepts, Formulations and Case studies. Lambert Academic Publishing. ISBN 978-3-8443-2687-1. 176 p.
  • Siriwardane, S.A. Sudath C.; Mitao, Ohga; Dissanayake, Ranjith; Tatsumasa, Kaita (2009). “Remaining fatigue life estimation of existing railway bridges”, Railway Transportation: Policies, Technology and Perspectives. Nova Science Publishers, Inc.. ISBN 978-1-60692-8639. 37 p.
  • Hemashrif, Rahela L.; Aeran, Ashish; Siriwardane, S.A. Sudath C. (2018). Mitigation Measures For Degraded Offshore Jacket Structures: A Framework And Its Application. 2018-09-06 - 2018-09-07.
  • Vestli, Herman; Lemu, Hirpa G.; Svendsen, Bjørn T.; Gabrielsen, Ole; Siriwardane, S.A. Sudath C. (2017). Case Studies on Structural Health Monitoring of Offshore Bottom-fixed Steel Structures. ISOPE; 2017-06-25 - 2017-06-30.
  • Adasooriya, Mudiyan Nirosha Damayanthi; Siriwardane, S.A. Sudath C. (2015). Remaining Fatigue Life Estimation of Railway Bridge Members Subjected to Time-dependent Corrosion. 2015-09-23 - 2015-09-25.
  • Kajolli, Redion; Siriwardane, S.A. Sudath C.; Gudmestad, Ove Tobias (2015). Application of new damage indicator-based sequential law to estimate fatigue life of offshore jacket structures. 2015-05-25 - 2015-05-27.
  • Kvalvåg, Renate; Christerssion, Andreas; Siriwardane, S.A. Sudath C. (2015). Testing for Load Capacity of Pad Eyes used in Offshore Lifting Operations. 2015-09-23 - 2015-09-25.
  • Maheswaran, Jeron; Siriwardane, S.A. Sudath C. (2015). Stress Concentration Factors of Tubular Joints in Offshore Jacket Structure: A comparative study. 2015-09-23 - 2015-09-25.
  • 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.
  • 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.
  • Karunananda, P.A.K; Ohga, M.; Dissanayake, P.B. Ranjith; Siriwardane, S.A.Sudath C. (2011). Fatigue life estimation of steel bridges under service and extreme loadings.
  • Mitao, Ohga; Kamal, Karunananda; Seiji, Furukawa; Ranjith, Dissanayake; Siriwardane, S.A.Sudath C. (2011). Maintenance Strategy for Bridges using Reliability Concept and Analytical Hierarchy Process. University of Melbourne, Australia &University of Peradeniya; 2011-12-15 - 2011-12-17.
  • Siriwardane, S.A.Sudath C.; Dissanayake, P.B. Ranjith (2011). A Multiaxial Fatigue Model for Steel Joints. University of Melbourne, University of Peradeniya; 2011-12-15 - 2011-12-17.