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Forum: Main CFD Forum July 15, 2010, 11:46
Replies: 8
Views: 4,488
Posted By Killercam
There are many. Try Mingnone & Bodo HLL Scheme...

There are many. Try Mingnone & Bodo HLL Scheme for gas dynamics - use a shearch engine to find it. Alternatavly use a book by E. F. Toro 1997 Riemann Solvers...?

The Riemann Solver (RS) is...
Forum: Main CFD Forum July 15, 2010, 08:52
Replies: 8
Views: 4,488
Posted By Killercam
Riemann

Yes. You need the fluxes normal to the cell faces, but this does not require a change of reference frame. if you have an unstructured mesh you can trivially calculate the surface normals hence the...
Forum: Main CFD Forum December 2, 2009, 06:35
Replies: 8
Views: 4,488
Posted By Killercam
One other quick point: Linearised Solvers...

One other quick point:

Linearised Solvers like Roe's etc. solve for the right eigenvectors of the Jacobian matrix A. These methods subsequently can resolve the jumps accross each wave of the...
Forum: Main CFD Forum December 2, 2009, 06:07
Replies: 8
Views: 4,488
Posted By Killercam
Dear PCFD, The whole point of a Riemann...

Dear PCFD,

The whole point of a Riemann solver as you rightly point out is to determine the intercell numerical fluxes, which can be used in some scheme to update the appropriate cells. The point...
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