Remeshing for metal forming simulations - Part 1: Two-dimensional quadrilateral remeshing

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In this paper, a general framework of practical two-dimensional quadrilateral remeshing, which includes the determination of remeshing time, automatic quadrilateral mesh generation, and data transfer process, will be formulated. In particular, the current work contains new algorithms of mesh density specification according to the distribution of effective strain-rate gradients, mesh density smoothing by fast Fourier transform (FFT) and low-pass filtering techniques, coarsening it by node placement scheme, and a modified Laplacian mesh smoothing technique. The efficiency of the developed remeshing scheme was tested through three practical two-dimensional metal forming simulations. The results clearly indicate that the algorithms proposed in this study make it possible to simulate two-dimensional metal forming problems efficiently and automatically. Copyright (C) 2002 John Wiley Sons, Ltd.
Publisher
JOHN WILEY SONS LTD
Issue Date
2002-04
Language
English
Article Type
Article
Keywords

SUPERCONVERGENT PATCH RECOVERY; MESH GENERATION; ADAPTIVITY

Citation

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, v.53, no.11, pp.2463 - 2500

ISSN
0029-5981
URI
http://hdl.handle.net/10203/10594
Appears in Collection
ME-Journal Papers(저널논문)
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