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-   -   Negative volume in internal combustion engine analysis (http://www.cfd-online.com/Forums/fluent/106052-negative-volume-internal-combustion-engine-analysis.html)

a_cucen August 16, 2012 17:40

Negative volume in internal combustion engine analysis
 
Hi,

I m trying to make an internal combustion engine analysis in fluent. I have set dynamic mesh zones.when displaying zone motion, it looks like ok. But when I Preview mesh motion, It gives this error and makes negative volume. What can I do to fix this problem? I realized that it is about cylinder motion. But I could not find the solution.

"Warning: Mesh projection of deforming dynamic zones exceeds reasonable limits.
Please verify that the correct geometry definitions have been specified. "

a_cucen August 18, 2012 09:38

I have found that my deforming and stationary surfaces are not matching. Can I measure an edge lenght or diameter in fluent?


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