Seamless integration of computer-aided geometric modeling and acoustic simulation: Isogeometric boundary element methods based on Catmull-Clark subdivision surfaces

Published on Nov 1, 2020in Advances in Engineering Software3.884
· DOI :10.1016/J.ADVENGSOFT.2020.102879
Leilei Chen11
Estimated H-index: 11
(Xinyang Normal University),
Y. Zhang1
Estimated H-index: 1
(Xinyang Normal University)
+ 3 AuthorsStéphane Bordas65
Estimated H-index: 65
(Cardiff University)
Abstract Isogeometric boundary element method is a computer simulation algorithm that can directly utilize the data of a geometric model represented by its surface. Catmull-Clark subdivision surfaces are a widely used technique in 3D computer graphics to construct complicated geometries. In the present work, we combine Catmull-Clark subdivision surfaces with isogeometric boundary element method to simulate acoustic propagation in semi-infinite domains. The present method can produce fast and high fidelity results, due to its strength of seamless integration of computer-aided geometric modeling and numerical simulation. The feasibility of the method is demonstrated by several acoustic scattering problems, including the one with analytical solutions and the examples with complicated geometries.
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