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-   -   Drag convergence >100 (urgent) (https://www.cfd-online.com/Forums/fluent/50147-drag-convergence-100-urgent.html)

CZ December 29, 2008 01:44

Drag convergence >100 (urgent)
 
Hi everyone, I'm doing a investigation on the drag of a ahmed body. I created the mesh with Tet/Hybrid and T.Grid configuration with spacing of 100. There is no boundary layer attached and no size function. With this I run simulation in Fluent using all the turbulence models available, with velocity inlet @ 40m/s but the value of drag is way too high >100 when it's suppose to be around 0.2. Pls advice. Thanks

zongtwi December 29, 2008 20:03

Re: Drag convergence >100 (urgent)
 
Please check your reference area used for the calculation of the drag. This can be found in the Report menu, and click reference values...

Hope that helps.


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