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        Motion Simulation and Hazard Assessment of Dropped Objects in Offshore Operations

        發布時間:2019-06-10 10:39:13 發布人:王利  審核人:李天鎮

        報告題目:Motion Simulation and Hazard Assessment of Dropped Objects in Offshore Operations

        報 告 人:余小川 博士

        報告時間:2019年6月11日 9:00--10:00

        報告地點:機電樓431

        主講人簡介:

        余小川博士目前是美國新奧爾良大學(University of New Orleans)應用海洋技術實驗室主任(Director)、研究員(Principal Research Scientist),船舶與輪機工程系助理教授(Assistant Professor)。他的研究興趣包括船舶與海洋結構物運動與響應預報,海洋工程墜物的研究,各類浮式結構物總體性能,系泊與立管系統動力學研究,海洋新能源(如風能等)以及智能材料在海洋工程中的應用研究等。余博士曾在FloaTEC LLC, IntecSea, SBM Offshore等著名海洋工程公司擔任船舶工程師,高級船舶工程師,高級水動力/錨泊系統分析師等職。他的主要教育經歷如下:

        2008 - 2011, 美國德州農工大學 (Texas A&M University), 博士,海洋工程

        2006 - 2008, 美國夏威夷大學(University of Hawaii at Manoa), 碩士,土木工程

        2001 - 2004, 上海交通大學, 碩士, 船舶與海洋結構物設計制造

        1996 - 2001,上海交通大學,學士,船舶與海洋工程/管理工程

        Abstract:Dropped objects may cause fatalities and serious injuries in the offshore oil and gas industry. Objects may accidentally fall down from offshore platforms during lifting or any other offshore operation. In this presentation, an open-access database, named Potential and Actual Dropped Object Incidents and Statistics (DORIS) will be firstly introduced. DORIS provides a visual method of recording and presenting real dropped object incidents. Secondly, the current industrial guidance or classification rules about dropped objects in offshore operations will be addressed, including “Guidance Notes on Accidental Load Analysis and Design for Offshore Structures” by American Bureau of Shipping (ABS) and “Risk Assessment of Pipeline Protection” by Det Norske Veritas (DNV-RP-F107). Thirdly, a new three-dimensional (3D) theory of dynamic motion of a dropped cylindrical object will be introduced. It has been integrated into Dropped Objects Simulator (DROBS). DROBS is utilized to simulate the trajectories of dropped cylinders, and it is further used to derive the landing point distribution of dropped cylinder in currents based on Monte Carlo simulations. The overall landing point distribution plots can provide a simple way to estimate the risk-free zone. Finally, some ongoing research projects at University of New Orleans (UNO) will be briefly introduced.

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