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RESEARCH PAPERS

Surface and Volume Discretization of Functionally Based Heterogeneous Objects

[+] Author and Article Information
Elena Kartasheva

Institute for Mathematical Modeling, Russian Academy of Science, Moscow, Russiae-mail: ekart@imamod.ru

Valery Adzhiev

The National Centre for Computer Animation, Bournemouth University, Poole, BH12 5BB UKe-mail: vadzhiev@bournemouth.ac.uk

Alexander Pasko

Hosei University, Tokyo, Japane-mail: pasko@k.hosei.ac.jp

Oleg Fryazinov, Vladimir Gasilov

Institute for Mathematical Modeling, Russian Academy of Science, Moscow, Russia

J. Comput. Inf. Sci. Eng 3(4), 285-294 (Dec 24, 2003) (10 pages) doi:10.1115/1.1630817 History: Received July 01, 2003; Revised October 01, 2003; Online December 24, 2003
Copyright © 2003 by ASME
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References

Figures

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Modified advancing front method: a) the initial rectangular object with the pattern mesh subdivided according to a mesh density attribute; b) the sub-mesh lying completely inside the subdivided object c) the final mesh
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An example of discretization of a functionally based object with sharp features: a) polygonization of the initial object surface; b) a surface mesh after sharp features reconstruction; c) the optimal surface mesh; d) the final tetrahedral tessellation
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An example of discretization of a complex FRep object: a) surface mesh with reconstructed sharp features (5992 triangles); b) surface mesh after FE adaptation (7794 triangles); c) cut of tetrahedral mesh (enlarged view) (43059 tetrahedra)
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An influence of attributes on the mesh elements’ sizes: a) surface mesh with reconstructed sharp features (2776 triangles); b) the minimal surface triangulation (12 triangles); c-e) mesh adaptation to attributes of various types (2052, 7012, 6152 triangles, respectively)
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Modeling of an impeller: a) impeller consisting of various materials; b) surface mesh with reconstructed sharp features (846 triangles); c) surface mesh after FE adaptation (2828 triangles); d) enlarged fragment of a surface mesh conforming the material attribute

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