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TVD scheme in unstructured finite volume discretization |
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October 11, 2010, 15:16 |
TVD scheme in unstructured finite volume discretization
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#1 |
New Member
abcdef123
Join Date: Dec 2009
Posts: 17
Rep Power: 16 |
Hi,
I am trying to extend the TVD scheme to an unstructured finite volume discretization. The problem is determining r for this scheme in the unstructured mesh domain, which is defined as the local ratio of upstream gradient to downstream gradient (from Coputational Fluid Dynamics: The FVM by Versteeg and Malalasekera). Any help with this would be greatly appreciated. Thanks in advance. |
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October 11, 2010, 18:05 |
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#2 |
Member
ganesh
Join Date: Mar 2009
Posts: 40
Rep Power: 17 |
Dear abcdef,
Although not directly relevant to your question, please take a look at Jasak's paper on developing higher order NVD schemes for unstructured meshes. These are related to TVD, and the paper talks about developing Gamma scheme, which wroks fine for a range of problems on arbitrary polgonal meshes. You can google the paper, I don't recall the exact title. Regards, Ganesh |
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January 16, 2013, 01:26 |
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#3 |
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Dokeun, Hwang
Join Date: Apr 2010
Location: Korea, Republic of
Posts: 98
Rep Power: 16 |
Now I'm reading 'TVD schemes for unstructred grids', M.S.Darwish, Int. J of Heat and mass transfer, 2003, 599-611
I just leave this message for someone else... |
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