Indexed by:
Abstract:
对于桁架结构形状优化,应用层次分解优化方法,将设计变量分成杆件截面积和节点位置两类变量.求解时分为两层,第一层在给定节点位置下对杆件截面进行优化,同时考虑了应力、局部稳定约束和位移约束的重量最轻;第二层假定截面层的有效位移约束作用不变,求解一个使桁架刚度增强的二次规划问题,获得既不违反约束,又使目标函数不上升的新的节点位置,再返回第一层.两层交替进行直至收敛.
Keyword:
Reprint Author's Address:
Email:
Source :
计算力学学报
ISSN: 1007-4708
Year: 2006
Issue: 1
Volume: 23
Page: 46-51
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 45
Chinese Cited Count:
30 Days PV: 13
Affiliated Colleges: