A gradient-less shape optimization for elastic contact problems

被引：0

作者：

Shuai, Tian ^{[1
]}

Xu, Yazhou ^{[1
]}

Wu, Zhixue ^{[1
]}

机构：

[1] Yangzhou Univ, Mech Engn Coll, Yangzhou 225009, Peoples R China

来源：

MATERIALS PROCESSING TECHNOLOGY II, PTS 1-4 | 2012年 / 538-541卷

关键词：

Gradient-less; Elastic contact; Contact stress concentration; Optimality criteria; Finite element analysis;

D O I：

10.4028/www.scientific.net/AMR.538-541.2526

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A shape optimization method for solving elastic contact problems is proposed based on gradient-less idea(a zero order optimization method). It is found that the contact stress on the elastic contact surface can be smoothed and reduced effectively by both changing the contact surface shape and changing the shape of non-contact surface. To avoid mesh distortion that results in undesirable shape, a move stratrgy for nodal movement has been used in the finite element model. Two examples are presented to show the effectiveness of the proposed method in dealing with elastic contact problems.

引用

页码：2526 / 2530

页数：5

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