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首页> 外文会议>Society of Naval Architects and Marine Engineers Annual Meeting; 2005; >Buckling and Ultimate Strength Assessment of FPSO Structures
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Buckling and Ultimate Strength Assessment of FPSO Structures

机译：FPSO结构的屈曲和极限强度评估

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摘要

Floating production, storage and offloading systems (FPSOs) have been widely used for the development of offshore oil and gas fields because of their attractive features. They are mostly ship- shaped, either converted from existing tankers or purposely built, and the hull structural scantling design for tankers may be applicable to FPSOs. However, FPSOs have their unique characteristics. FPSOs are sited at specific locations with a dynamic loading that is quite different from those arising from unrestricted service conditions. The structures are to be assessed to satisfy the requirements of all in-service and pre-service loading conditions. The fundamental aspects in the structural assessment of FPSOs are the buckling and ultimate strength behaviors of the plate panels, stiffened panels and hull girders. The focus of this paper is to address the buckling and ultimate strength criteria for FPSO structures. Various aspects of the criteria have been widely investigated, and the results of the design formulae proposed in this paper have been compared to a very extensive test database and numerical results from nonlinear finite element analysis and other available methods. The procedures presented in this paper are based on the outcomes of a series of classification society projects in the development of buckling and ultimate strength criteria and referred to the corresponding classification society publications.
机译：浮动生产，存储和卸载系统（FPSO）由于具有吸引人的特性，已被广泛用于海上油气田的开发。它们大多是船形的，可以是从现有油轮改装而成的，也可以是特制的，并且油轮的船体结构尺寸设计可能适用于FPSO。但是，FPSO具有其独特的特性。 FPSO位于特定位置，其动态负载与不受限制的服务条件引起的动态负载完全不同。应对结构进行评估，以满足所有在役和在役前装载条件的要求。 FPSO结构评估中的基本方面是板，加筋板和船体梁的屈曲和极限强度行为。本文的重点是解决FPSO结构的屈曲和极限强度标准。对该准则的各个方面进行了广泛研究，并将本文提出的设计公式的结果与一个非常广泛的测试数据库以及非线性有限元分析和其他可用方法的数值结果进行了比较。本文介绍的程序基于一系列屈曲和极限强度标准制定过程中的船级社项目的成果，并参考了相应的船级社出版物。

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