Complex-shaped beam element and graph-based optimization of compliant mechanisms

被引：13
|
作者：
Sauter, M. [1 ]
Kress, G. [1 ]
Giger, M. [1 ]
Ermanni, P. [1 ]
机构：
[1] ETH, Ctr Struct Technol, CH-8092 Zurich, Switzerland
来源：
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION | 2008年 / 36卷 / 04期
关键词：
compliant mechanisms; curved variable thickness beam; evolutionary algorithms; graph;
D O I：
10.1007/s00158-007-0182-7
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Compliant mechanisms are designed to be intentionally flexible, providing hingeless mechanisms. This work contributes a complex-shaped beam element formulation in conjunction with the ground structure approach. We identify compliant mechanism design solutions by using evolutionary topology optimization and increase flexibility by using a parametrization concept based on graph theory. The new operators for evolutionary optimization are also explained and sample problems are used to address the question of how our contribution increases design solutions space.
引用
收藏
页码：429 / 442
页数：14
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