萨维克,has been a prnfessor of marine structures at the Norwegian University of Science and Technoloogy (NTNU) since 2009. He has decades of experience in pipeline engineering, covering most aspects of structural design and analysis of offshore pipeline systems. He has also spent more than 20 years working as a rescarcher focusing on development of models for stress and fatigue analysis of flexible pipes and umbilicals. Part of Ibis has been the development of several non-linear finite element codes for global and local analysis of pipelines, flexible pipes and umbilicals that arc widcly used by the industry. This includes the SIMLA program for global response analysis of pipelines, the BFLEX program fur stress anlysis of flexible pipes, the USAP program for stress analysis of large pitch length umbilicals and the UFLEX program for stress analysis of short pitch length umbilicals. Professor Savik has published a large number of journal and conference articles within these topics and received various awards for his work including the Statoil award.叶乃全,has been working as senior research scientist at Norwegian Marine Technology Research Institute (MARINTEK) for more than 12 ycars since he graduated from the Department of Marine Structures at NTNU. Since then he has been extensively devoting his career in the development of numerical tools and methnds for stress analysis of flexible risers, umbilicals and pipelines. He has been the key personnel carrying out several joint industry program with aiming at developing of efficient and cost-effective solutions for flexible risers, umbilicals and pipelines. In addition, Dr.Ing Ye has been acting as project manager for numerous commercial projects from both oil and gas industry and new ocean energy sector, Dr.lng Ye has won twice the best paper award at MARINTEK for his outstanding research there.