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Old   July 20, 2012, 04:30
Default continuity convergence
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hamid
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Hi,
do you know
how to fix convergence in continuity in modeling with vof (implicit)?
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Old   July 20, 2012, 05:24
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shoeb khan
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Decrease the time step and try it.
Change grid.

shk
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Old   July 20, 2012, 05:37
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thanks for reply, i decreased the time step .. it still oscillates .. Unfortunatly i can not increase the mesh .. or cahnge..
what about URF,
does changing URF, (radically decreasing it) leads to wrong results (even if reaching to convergence and low residuals) ?
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Old   July 20, 2012, 05:52
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Alex
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If "convergence" is achieved, it doesn't matter with which under-relaxation factor your simulation got there.

It will only take longer with low URF.
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