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An optimal design system for spot welding locations

✍ Scribed by Soo-Won Chae; Ki-Youn Kwon; Tae-Soo Lee

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
723 KB
Volume
38
Category
Article
ISSN
0168-874X

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✦ Synopsis

An optimal design system using adaptive meshes for spot welding locations in shell structures has been developed. In order to ΓΏnd out the optimal spot welding locations, iterative ΓΏnite element analysis is necessary. The optimization process also requires that every mesh employed should be as uniform as possible in its quality. For this purpose an h-version of adaptive meshing scheme based on a background mesh has been proposed. The background meshes ares constructed with quadrilateral elements on three-dimensional surfaces by using a domain decomposition method. Sample problems are solved to demonstrate the e ectiveness and capability of the developed system.

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