Automatic unstructured surface mesh generation for complex configurations | Zendy

Tremel Udo | Zendy; Deister Frank | Zendy; Hassan Oubay | Zendy; Weatherill Nigel P. | Zendy

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Automatic unstructured surface mesh generation for complex configurations

Author(s) -

Tremel Udo,

Deister Frank,

Hassan Oubay,

Weatherill Nigel P.

Publication year - 2004

Publication title -

international journal for numerical methods in fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 112

eISSN - 1097-0363

pISSN - 0271-2091

DOI - 10.1002/fld.671

Subject(s) - computer science , mesh generation , triangulation , computational science , cad , surface (topology) , scratch , parallel computing , engineering drawing , message passing , computer graphics (images) , complex geometry , finite element method , programming language , geometry , engineering , mathematics , structural engineering

In this paper a new object‐oriented (OO) approach is presented for automatic parallel advancing front based surface mesh generation and adaptive remeshing for complex configurations. Based on the ST++‐system the advantages of the OO design and implementation compared to the traditional structural approach are described. Algorithmic enhancements to the advancing front method are explained, enabling a robust NURBS based triangulation process directly on B‐rep CAD data. The message passing (MPI) parallelization strategy together with the achievable performance improvements are demonstrated. With the outlined parallel geometry analysis/rasterization a powerful method is described to derive automatically a well suited mesh size specification without any user‐interaction from scratch. The application of this method to a complex ‘real world’ example finishes this paper. Copyright © 2004 John Wiley & Sons, Ltd.

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