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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 45
ADVANCES IN COMPUTATIONAL MECHANICS FOR PARALLEL AND DISTRIBUTED PROCESSING
Edited by: B.H.V. Topping
Paper II.3

Simultaneous Adaption of a Free-Form Surface Model and its Associated Unstructured Finite Element Mesh

F. Noel

Laboratory of Soils, Solids and Structures, Universite Joseph Fourier, Grenoble, France

Full Bibliographic Reference for this paper
F. Noel, "Simultaneous Adaption of a Free-Form Surface Model and its Associated Unstructured Finite Element Mesh", in B.H.V. Topping, (Editor), "Advances in Computational Mechanics for Parallel and Distributed Processing", Civil-Comp Press, Edinburgh, UK, pp 37-44, 1997. doi:10.4203/ccp.45.2.3
Abstract
There are just a few number of works dealing with surface meshing techniques. Nevertheless a lot of mechanical structures are analysed through the use of such models. It is always very difficult to manage such meshes when the initial geometry is given by a computer aided design (C.A.D.) model. The scope of this article is to show that with a few number of operators. one can access an easy control of meshes, even if the structure is quite complex. This control takes care about mechanical specifications and forgets extra-constraints which are usually due to the C.A.D. model definition. Here, the described operators allow to adapt the mesh simultaneously to the geometric model. This last one is issued from any C.A.D. software by the use of any standard file (IGES, STEP, SET, ...). This assumption ensures that the presented tools can easily take place in an industrial design step.

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