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problem about dynamic mesh of VOF model

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Old   September 8, 2005, 23:06
Default problem about dynamic mesh of VOF model
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I have modeled a VOF model including dynamic mesh. due to dynamic mesh, the optimum step time is variable. how to modify the maximum cell height of dynamic zone automatically during simulation, and keep the step time is always optimum. i means that how to use udf to solve this problem. any usful information are appreciated.
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