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Forum: OpenFOAM Running, Solving & CFD April 16, 2013, 09:55

Replies: 14 no solution in second order schemes Views: 3,611 Posted By hakonbar First order upwind schemes are very diffusive,... First order upwind schemes are very diffusive, and this added "numerical viscosity" can sometimes have a big impact on the solution. It's therefore highly recommended to use at least 2nd order upwind...

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