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June 29, 2005, 03:07
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Convergence problems
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#1 |
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Guest
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I'm currently experiencing some problems in reaching the convergence in STAR-CD calculations. I have already tryed to reduce the mesh size and/or to change the boundary conditions to help reducing the residual values, but after some iterations, they always start obscillating between 10^-1 and 10^-2.
Is there any trick I can use to solve this problem? Thanks a lot. Simone |
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June 29, 2005, 06:50
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Re: Convergence problems
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#2 |
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Guest
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Is your problem really steady-state?
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June 29, 2005, 07:27
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Re: Convergence problems
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#3 |
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Guest
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Yes! It is a really steady-state problem!
Can you help me, please? Simone |
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June 29, 2005, 09:10
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Re: Convergence problems
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#4 |
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Guest
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To me it looks like your problem may be a REAL transient and you try to enforce a steady-state solution. That may be the reason why you cannot get a converged solution, because the flow physics may be wrong.
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June 29, 2005, 10:03
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Re: Convergence problems
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#5 |
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It's possible! How can I have a transient solution?
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June 29, 2005, 10:48
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Re: Convergence problems
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#6 |
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Change the analysis type from steady-state to transient?
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