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Gerhard Ersdal

Professor II i levetidsforl. av offshore

Det teknisk- naturvitenskapelige fakultet
Institutt for maskin, bygg og materialteknologi
Publications
  • Vitenskapelige publikasjoner
    • Atteya, Mostafa Ahmed; Mikkelsen, Ove; Oma, Narve; Ersdal, Gerhard

      (2021)

      Residual strength of tubular columns with localized thickness loss. I: ASME 2021 40th international conference on ocean, offshore and arctic engineering : Volume 3: Materials technology.

      The American Society of Mechanical Engineers (ASME)

      ISBN 9780791885130.

      DOI: 10.1115/OMAE2021-62213

    • Sigvaldsen, Marie; Ersdal, Gerhard; Markeset, Gro; Samarakoon, Mudiyansele Samindi Manjula K; Langeteig, Magne

      (2021)

      Capacity of Concrete Structures with Corroded Reinforcement and Prestressing Tendons.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 1201.

      DOI: 10.1088/1757-899X/1201/1/012052

    • Atteya, Mostafa Ahmed; Mikkelsen, Ove; Wintle, John; Ersdal, Gerhard

      (2021)

      Experimental and numerical study of the elastic SCF of tubular joints.

      Materials

      ISSN 1996-1944.

      Volum 14.

      Hefte 15.

      DOI: 10.3390/ma14154220

    • Atteya, Mostafa Ahmed; Mikkelsen, Ove; Pavlou, Dimitrios; Ersdal, Gerhard

      (2020)

      Crack arresting with crack deflecting holes in steel plates. 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/OMAE2020-19358

    • Vo, Tri Minh; Hestholm, Kristoffer; Ersdal, Gerhard; Oma, Narve; Sivertsvik, Matias

      (2019)

      Buckling capacity of simulated patch corroded tubular columns – laboratory tests.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 700.

      Hefte 1.

      DOI: 10.1088/1757-899X/700/1/012029

    • Ersdal, Gerhard; Sharp, John; Stacey, Alexander

      (2019)

      Ageing and life extension of offshore structures : The challenge of managing structural integrity.

      Wiley-Blackwell

      ISBN 9781119284390.

    • Neeraas, Håkon; Ersdal, Gerhard; Oma, Narve; Hellevig, Nils-Christian

      (2019)

      Inspection planning for fatigue cracks in offshore structures by Monte Carlo simulations.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 700.

      Hefte 1.

      DOI: 10.1088/1757-899X/700/1/012030

    • Ersdal, Gerhard; Oma, Narve

      (2019)

      Investigation of updating methods for probability-informed inspection planning for offshore structures.

      IOP Conference Series: Materials Science and Engineering

      ISSN 1757-8981.

      Volum 700.

      Hefte 1.

      DOI: 10.1088/1757-899X/700/1/012034

    • Moan, Torgeir; Amdahl, Jørgen; Ersdal, Gerhard

      (2019)

      Assessment of ship impact risk to offshore structures - New NORSOK N-003 guidelines.

      Marine Structures

      ISSN 0951-8339.

      Volum 63.

      s.480-494.

      DOI: 10.1016/j.marstruc.2017.05.003

    • Ersdal, Gerhard

      (2017)

      Safety Barriers in Structural and Marine Engineering. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 9: Offshore Geotechnics; Torgeir Moan Honoring Symposium .

      The American Society of Mechanical Engineers (ASME)

      ISBN 978-0-7918-5777-9.

      DOI: 10.1115/OMAE2017-62712

    • 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. I: 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.

      s.275-283.

    • Tharaldsen, Jorunn Elise; Wiig, Siri; Østnes, Hilde Karin; Ersdal, Gerhard; Hinderaker, Rolf H.; Lootz, Elisabeth; Knudsen, Sigve; Hanson, Bjørn Andreas; Dybvig, Gunnar; Lauridsen, Øyvind

      (2013)

      A System Perspective on Organizational Learning. I: SPE European HSE Conference and Exhibition - Health, Safety, Environment and Social Responsibility in the Oil &Gas Exploration, Apr 16 - 18, 2013 2013, London, United Kingdom.

      Society of Petroleum Engineers

      ISBN 978161399256-2.

      DOI: 10.2118/164999-MS

    • Wiig, Siri; Ersdal, Gerhard; Guldbrandsen, Tone; Hanson, Bjørn Andreas; Tharaldsen, Jorunn Elise; Dybvig, Gunnar; Dahle, Irene Bergljot

      (2012)

      Major accidents and their consequences for risk regulation. I: Advances in Safety, Reliability and Risk Management - proceedings of the European Safety and Reliability Conference, ESREL 2011.

      CRC Press

      ISBN 978-0-415-68379-1.

      s.33-41.

    • Håbrekke, Solfrid; Bodsberg, Lars; Hokstad, Per; Ersdal, Gerhard

      (2011)

      Issues for Consideration in Life Extension and Managing Ageing Facilities. 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.

      s.173-182.

      DOI: 10.1115/omae2011-49261

    • Hörnlund, Erik; Ersdal, Gerhard; Hinderaker, Rolf H.; Johnsen, Roy; Sharp, John M.

      (2011)

      Material Issues in Ageing and Life Extension (OMAE2011-49363). 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.

      s.261-267.

    • Ersdal, Gerhard; Aven, Terje

      (2008)

      Risk informed decision-making and its ethical basis.

      Reliability Engineering & System Safety

      ISSN 0951-8320.

      Volum 93.

      Hefte 2.

      s.197-205.

      DOI: 10.1016/j.ress.2006.12.018

    • Ersdal, Gerhard; Aven, Terje

      (2008)

      Risk management and its ethical basis.

      Reliability Engineering & System Safety

      ISSN 0951-8320.

      Volum 92.

      Hefte 2.

      s.197-205.

  • Bøker og kapitler
    • Aven, Terje; Ersdal, Gerhard

      (2005)

      Risk management and its ethical basis.

  • Formidling
    • Atteya, Mostafa Ahmed; Mikkelsen, Ove; Pavlou, Dimitrios; Ersdal, Gerhard

      (2020)

      Crack Arresting With Crack Deflecting Holes in Steel Plates.

    • Moan, Torgeir; Amdahl, Jørgen; Ersdal, Gerhard

      (2016)

      Assessment of ship impact risk to offshore structures - new NORSOK N-003 guidelines.

    • 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.

    • Ersdal, Gerhard; Sharp, John; Galbraith, David

      (2014)

      Ageing accidents – suggestion for a definition and examples from damaged platforms.

    • Ersdal, Gerhard; Sharp, John; Galbraith, David

      (2014)

      LESSONS LEARNED FROM AUDITING STRUCTURAL INTEGRITY MANAGEMENT.

    • Ersdal, Gerhard; Kübler, Oliver; Faber, Michael H; Sørensen, John Dalsgaard; Haver, Sverre; Langen, Ivar

      (2004)

      Economic Optimal Reserve Strength for a Jacket Structure.

    • Ersdal, Gerhard; Sørensen, John Dalsgaard; Langen, Ivar

      (2003)

      Updating of structural failure probability based on experienced wave loading.

    • Ersdal, Gerhard; Langen, Ivar

      (2002)

      On Assessment of Existing Offshore Structures.

  • Kunstnerisk produksjon
  • Kommersialisering
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