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基于SIMP和SSV的结构与支撑拓扑优化设计

DOI: 10.3969/j.issn.1000-1298.2008.6.080632, PP. 137-141

Keywords: 结构,支撑,拓扑优化,SIMP,SSV约束

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Abstract:

针对SIMP方法中,存在中间支撑密度单元,且对拓扑分布有一定影响的情况,引入SSV约束,提出了一种基于SIMP方法和SSV约束的方法即SIMP-SSV方法,其思路是用SIMP的优化结果初始化SSV方法中的设计变量,再用SSV方法得到最终的优化目标。用SIMP-SSV方法同时进行了具有最小柔度的结构与支撑的拓扑优化设计。算例表明,SIMP-SSV方法不仅使拓扑分布更加清晰,有效消除了中间支撑变量对结构与支撑拓扑分布的影响,而且可使最小柔度比

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