期刊
JOURNAL OF COMPUTATIONAL PHYSICS
卷 257, 期 -, 页码 83-101出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcp.2013.08.052
关键词
Penalization technique; Unstructured mesh; Level set; Anisotropic mesh; Mesh adaptation; Embedded method; Navier-Stokes equations
资金
- EU ERC Advanced grant ADDECCO [226616]
The interest on embedded boundary methods increases in Computational Fluid Dynamics (CFD) because they simplify the mesh generation problem in the case of the Navier-Stokes equations. The same simplifications occur for the simulation of multi-physics flows, the coupling of fluid-solid interactions in situation of large motions or deformations, to give a few examples. Nevertheless an accurate treatment of the wall boundary conditions remains an issue of the method. In this work, the wall boundary conditions are easily taken into account through a penalization technique, and the accuracy of the method is recovered using mesh adaptation, thanks to the potential of unstructured meshes. Several classical examples are used to demonstrate that claim. (C) 2013 Elsevier Inc. All rights reserved.
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