Sharp angle in Emmersed Boundary

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 September 4, 2003, 04:49 Sharp angle in Emmersed Boundary #1 Qu Kun Guest   Posts: n/a Sponsored Links When apply the emmersed boundary method (which is like cartesian grid method) in flow around a rigid body, some layers of nodes in the solid body should be extrapolated from nodes in the fluid domain with non-slip condition. For smooth wall, there is no problem. But if there are sharp angle on the wall, how to process this case? When solving Euler equation only on cartesian grid, without near-wall fitted grid, this case should be faced, too, such as the tail of a foil. Then how to ? What papers should I read?? Thanks

 September 10, 2003, 06:58 Re: Sharp angle in Emmersed Boundary #2 Josy P. Pullockara Guest   Posts: n/a Even though your work is on Navier-Stokes, the below paper on Euler flows justifies the blunting procedure. A Cartesian Grid Approach with Hierarchical Refinement for Compressible Flows by James J Quirk, Institute for Computer Applications in Science and Engineering (ICASE), 1994. available for download from http://citeseer.nj.nec.com/james94cartesian.html Grab the PS file as the PDF conversion is pathetic for on-screen reading though good for printing.

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