针对桁架拓扑优化问题提出桁架拓扑和尺寸优化的协同演化算法。
A co evolution algorithm used to solve topology and size optimization of trusses is proposed.
采用改进的遗传算法，求解了具有屈曲约束，尤其截面积是离散型的桁架拓扑优化。
We present an improved genetic algorithm(GA) for topology optimization of a truss with discrete sizing and under local buckling constraints.
最后给出了算例证明本文方法求解桁架结构动力拓扑优化问题的有效性。
Finally, an example shows that the proposed method can solve the dynamic topology optimization problem of truss structure effectively.
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