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Abstract:
根据独立连续拓扑变量概念,建立了桁架和平面膜结构拓扑优化的有无复合体模型,从而不引入过滤函数实现拓扑变量在连续型和离散型之间的转换.推导了有无复合体杆单元的面积与膜单元的厚度同重量、单元刚度阵都是“有单元”和“无单元”相应量的线性组合,进而把这一线性关系延拓到许用应力.借助于有无复合体建立了在应力约束下骨架和连续体结构拓扑优化的统一模型,同时提出了求解这一模型的有效算法,获得了令人满意的计算结果.
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Source :
固体力学学报
ISSN: 0254-7805
Year: 2001
Issue: 1
Volume: 22
Page: 15-22
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 54
Chinese Cited Count:
30 Days PV: 9
Affiliated Colleges: