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Old   October 26, 2005, 06:45
Default 2D Riemann problem
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Dear Friends,

I am solving a 2D Riemann problem ( 4-shocks case), on an unstructured grid. I have solved this succesfully on a structured grid, by using simple extrapolation at teh boundaries, which is simply a Neumann BC, wherin derivatives are zero. However, on an unstructured grid this does not seem to work well. Can anyone point out any references to 2D Riemann solved on an unstructured mesh, as I have not come across any such computation ?


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