并采用多目标最优化的一阶分析法来进行桁架拱桥的形状控制及构件尺寸确定。
This paper researches into the analysis method about steel truss arch bridge based on multi-objective optimization.
提出了一种渐进优化方法，通过分离设计变量，分别采用渐进节点移动法和满应力法优化桁架结构的形状和尺寸。
In this paper, an evolutionary optimization method is proposed to minimaze the weight of truss structure in terms of nodal coordinates and element cross sectional areas.
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