Journal
COMPUTER-AIDED DESIGN
Volume 72, Issue -, Pages 87-101Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cad.2015.07.001
Keywords
Medial axis; Quad mesh; Multiblock decomposition; Block-structured; Mesh singularities; Cross-field
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Funding
- ARA
- Technology Strategy Board (TSB) within the Airbus Numerical Simulation and Design (ANSD) Project
- TranscenData
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New techniques are presented for using the medial axis to generate decompositions on which high quality block-structured meshes with well-placed mesh singularities can be generated. Established medial-axis based meshing algorithms are effective for some geometries, but in general, they do not produce the most favourable decompositions, particularly when there are geometric concavities. This new approach uses both the topological and geometric information in the medial axis to establish a valid and effective arrangement of mesh singularities for any 2-D surface. It deals with concavities effectively and finds solutions that are most appropriate to the geometric shapes. Resulting meshes are shown for a number of example models. (C) 2015 Elsevier Ltd. All rights reserved.
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