Target function, design variables, nature state restrains, Optimize methods are studied.

分析了高土石坝优化设计的目标函数 、 设计变量 、 约束条件及优化方法.

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Selection of design variables, objective functions and constraints.

选择设计变量 、 目标函数和约束.

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And different methods of producing adjacent state for different design variables are adopted.

并针对不同的设计变量,采用了不同的邻域产生方法.

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Probabilistic distribution functions are utilized to describe the design variables in structural reliability analysis and design.

机械产品可靠性分析与设计中,要求用概率分布函数描述设计变量.

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