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How make F3D to reduce a time step many times down to dtmin? |
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December 16, 2009, 10:37 |
How make F3D to reduce a time step many times down to dtmin?
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#1 |
New Member
gennady Markelov
Join Date: Dec 2009
Posts: 3
Rep Power: 16 |
When a number of iterations reaches the maximum limit, F3D reduces time step or declare nonconvergence. I use very small value for the minimum time step limit, however, F3D never reduced time step down to this limit. Moreover, a number of time step reductions can be just one before nonconvergence despite that the time step is still much larger than the limit.
What controls a number of time step reductions? How to make F3D to reduce a time step many times until its value reaches the minimum limit? Thank you. |
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January 28, 2010, 13:12 |
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#2 |
Member
Join Date: Jan 2010
Posts: 39
Rep Power: 16 |
Gennady, Have you tried contacting Flow Science, F3D's developer?
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