摘要
提出了单元应变能密度灵敏度和识别要修改单元的无量纲混合测度的概念。并将其应用在多工况约束下客车顶棚拓扑优化的算法中,简化了优化过程,避免了“载荷病态”。工程算例表明,该算法对客车顶棚结构的优化是有效的。
The concepts of sensitivity of strain energy density of the element and the non-dimensional measure used for identification of the element to be modified were presented, and they were applied in topological optimization of bus ceiling under multiple loading cases. The optimization was implemented for bus ceiling. Results show that the optmization arithmetic is effective.
出处
《吉林大学学报（工学版）》
EI
CAS
CSCD
北大核心
2006年第B03期12-15,共4页
Journal of Jilin University:Engineering and Technology Edition
基金
吉林省科技发展计划项目(20040330-2)吉林大学"985工程"资助项目
关键词
工程力学
多工况
拓扑优化
单元应变能密度灵敏度
engineering mechanics
multiple loading cases
topological optimization
sensitivity of strain energy density of the element
