目前，连续体拓扑优化形成的孔洞多为不规则形状，而飞机机身龙骨结构多为规则栅格状。
At present, holes generating in topology optimization is mostly irregular geometric. However fuselage keel structure is generally regular grid.
采用拓扑优化和形状优化相结合的集成优化方法，研究了结构优化方法在发动机气缸体轻量化设计中的应用。
An integrated method of topology optimization and shape optimization was presented to study the application of structure optimization to the light-weight design of engine block.
以薄壳结构整体应变能最小为目标，建立了薄壳屋盖的形状优化与拓扑优化模型，并提出了薄壳屋盖形状优化与拓扑优化的的求解方法。
In this paper, aimed at minimizing the whole strain energy of thin shell structure, the model of shape optimization and the topology optimization were built up.
以薄壳结构整体应变能最小为目标，建立了薄壳屋盖的形状优化与拓扑优化模型，并提出了薄壳屋盖形状优化与拓扑优化的的求解方法。
In this paper, aimed at minimizing the whole strain energy of thin shell structure, the model of shape optimization and the topology optimization were built up.
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