Explicit feature control in structural topology optimization via level set method

被引:155
作者
Guo, Xu [1 ]
Zhang, Weisheng [1 ]
Zhong, Wenliang [1 ]
机构
[1] Dalian Univ Technol, Dept Engn Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116023, Peoples R China
关键词
Topology optimization; Feature control; Level-set; Signed distance function; OPTIMAL-DESIGN PROBLEMS; MINIMUM LENGTH SCALE; REGULARIZATION; RELAXATION; BARS;
D O I
10.1016/j.cma.2014.01.010
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The present paper aims to address a long-standing and challenging problem in structural topology optimization: explicit feature control of the optimal topology. The basic idea is to resort to the level set solution framework and impose constraints on the extreme values of the signed distance level set function used for describing the topology of the structure. Numerical examples are also presented and discussed to illustrate the effectiveness of the proposed approach. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:354 / 378
页数:25
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