导管架海洋平台基于地震作用下的多目标优化设计

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英文篇名：MULTI-OBJECTIVE OPTIMIZATION DESIGN FOR JACKET PLATFORM BASED ON EARTHQUAKE 中文刊名：土木工程学报 英文刊名：China Civil Engineering Journal 作者：王兴国 ; 周晶 ; 田明俊 ; 康海贵 英文作者：Wang Xingguo Zhou JingTian Mingjun Kang Haigui(Hebei Polytechnic University)(Dalian University of Technology) 中文关键词：导管架平台 ; 多目标优化 ; 钢框架 ; 遗传算法 英文关键词：jacket platform ; multi-objective optimization ; steel frame ; genetic algorithms 出版日期：2004-12-30 机构：河北理工大学 ,河北理工大学 ,大连理工大学 ,大连理工大学 年：2004 期：12 出版单位：土木工程学报

摘要

把导管架海洋平台看作钢框架结构 ,并把多目标优化设计方法用于其结构的抗震设计中。以结构的总重量最小和结构的总应变能最大为优化目标 ,以导管的平均直径和壁厚作为设计变量 ,考虑强度、刚度和稳定等约束条件。并以渤海油田BZ2 8-1储油平台为例用遗传算法进行了优化设计 ,计算结果表明此方法对海洋平台的设计具有一定的参考意义。
Jacket platform was assumed as steel frame structure and multi-objective design method was performed. Total weight and seismic strain energy of the structure were selected to be optimal objectives. Average diameter and wall thickness of the structural element were taken as design variables. Constraint conditions such as strength, stiffness, stability were taken into account. As an example, the oil Offshore Platform BZ28-1 of Bohai Oil Field in China with the reservoir was numerated with genetic algorithms. It is shown by results that the proposed method is significative in design of the platforms.

引文

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