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August 11, 2008, 09:22 |
Unstead vs Steady for VOF
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#1 |
Guest
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Hi all!
I am simulating the free surface by using VOF model for 3D, however I face a problem is: From Initial, running with Steady, the solution gives a error. Meanwhile, running with Unsteady is smooth solution. When I switch from Unsteady into Steady, the Continuity Residual is very high (More than 0). Everyone can suggest for me the reason and how to solve this, because I need Steady solution to check result quickly. Thank you all! |
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August 11, 2008, 09:41 |
Re: Unstead vs Steady for VOF
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#2 |
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It is recommended to run VOF model only in unsteady state since it involves tracking of the interface with every timestep. Steady state VOF solution has very little significance. To obtain a steady state solution, you can run an unsteady problem till you reach steady state.
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