|August 28, 2006, 07:26||
Eulerian multiphase & underelaxation...
Dear CFD users,
I am on a multiphase Eulerian, unsteady case for which the proper time step is refered to be about 1e-3 to 1e-4. I noticed that if I strongly underelax the momentum equation (0.005!) the solution easily converges for a time step of 0.1s!
Why this is happening? Is the physics of the solution affected?
Thank you for your response,
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