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Automatic remeshing for three-dimensional finite element simulation of welding

✍ Scribed by L.-E. Lindgren; H.-A. Häggblad; J.M.J. McDill; A.S. Oddy

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
748 KB
Volume
147
Category
Article
ISSN
0045-7825

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✦ Synopsis

Three-dimensional finite element simulation of electron beam welding of a large copper canister has been performed. The use of an automatic remeshing algorithm, based on a graded hexahedral element was found to be effective. With this algorithm the strongly nonlinear thermomechanical effects locally close to the moving heat source can accurately be modelled using a dense element mesh that follows the heat source.

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