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Efficient 3D data transfer operators based on numerical integration
Author(s) -
Bussetta Philippe,
Boman Romain,
Ponthot JeanPhilippe
Publication year - 2014
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.4821
Subject(s) - polygon mesh , finite element method , computation , interpolation (computer graphics) , computer science , context (archaeology) , forging , finite volume method , algorithm , mathematics , computational science , mechanical engineering , structural engineering , engineering , frame (networking) , mechanics , computer graphics (images) , telecommunications , paleontology , biology , physics
Summary This paper deals with data transfer between two meshes as it happens in a finite element context when a remeshing has to be performed. We propose a finite‐volume‐based data transfer method for an efficient remeshing of three‐dimensional solid mechanics problems. The originality of this transfer method stems from a linear reconstruction of the fields to be transferred on an auxiliary finite volume mesh, a fast computation of the transfer operator and the application to the complete remeshing of 3D problems. This procedure is applicable to both nodal values and discrete fields defined at quadrature points. In addition, a data transfer method using mortar elements is presented. The main improvement made to this second method comes from a fast computation of mortar elements. These two data transfer methods are compared with the simplest transfer method, which consists of a classical interpolation. After some academic examples, we present 2D forging and 3D friction stir welding applications. Copyright © 2014 John Wiley & Sons, Ltd.