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Adaptive refinement in 2-D finite element applications

✍ Scribed by N. A. Golias; T. D. Tsiboukis

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
926 KB
Volume
4
Category
Article
ISSN
0894-3370

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✦ Synopsis

An adaptive mesh refinement scheme in the finite element method is presented in this paper. The new criterion Bdiff for adaptive refinement is tested for its validity. A technique for approximating curved boundaries employing the concept of triangle subdivision in conjunction with Delauney triangulation is also considered, so that the mesh produced is optimal. The implementation of the adaptive mesh refinement criterion in conjunction with the proposed technique of including the curved boundaries in the finite element model is described in detail and several examples of its application are given by way of illustration.

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