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negative cell volume during dynamic meshing

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Old   August 20, 2008, 11:31
Default negative cell volume during dynamic meshing
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i am having negative cell volume during dynamic meshing. as the object speed is reaching more than 0.5 mach negative volumes are encountered. i am using the k-epsilon turblence model, pressure far-field boundary condn. i used different meshing but no use.

its urgent.please help
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Old   September 5, 2011, 02:33
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