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-   -   negative cell volume during dynamic meshing (http://www.cfd-online.com/Forums/fluent/49052-negative-cell-volume-during-dynamic-meshing.html)

Tamjid August 20, 2008 11:31

negative cell volume during dynamic meshing
 
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

sathishfliegn September 5, 2011 02:33

hello,
Check your timestep.


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