近海多功能混凝土平台选型与优化
Style selection and optimum of off shore concrete platform
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摘要: 提出了一种适合近海边际油田开发的多功能混凝土平台型式,并对其进行了优化设计.分析了各约束对平台造价的影响,确定了平台的应用范围.优化分析中采用了约束单调性分析、初始点自动给定等方法,加快了优化的迭代收敛速度,并对初稳性高度GM值采用了模糊优化方法,考虑了影响GM值的主观因素.Abstract: A kind of multi-function concrete platform suitable for offshore marginal oil fields is presented. Style selection and structrue optimum of the platform ate finished. The effects of the constraint conditions on the cost of the platform are analysed. The application conditions of the platform are given. The method of analysis constrains monotonicity and auto-giving the initial value is used in optimum. The initial metacentric height is given with fuzzy theory to consider the subjective information.
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Key words:
- Concrete platform /
- margin oil field,ayle selection /
- structure optimum /
- monotonicity analysis /
- fuzzy optimum /
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扬冰.实用最优化方法及计算机程序.哈尔滨:哈尔滨船舶工程学院出版社,1994 历衡隆.单调性与起作用约束集.运筹学杂志,1985,9(2):12-18 钱令希.我国结构优化设计现况.大连理工大学学报,1982,21(3):1-10 王光远.结构模糊优化设计.计算结构力学及其应用,1984,1(2):67-73 汪培庄.模糊集合论及其应用.上海:上海科学技术出版社.1983 -
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