采用比例满应力法及序列线性规划方法分别处理强度约束和刚度约束。
The strength constraints and stiffness constraints are treated by proportional full stressed method and sequential linear programming method respectively.
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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