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-   -   problem with drag coeficient (https://www.cfd-online.com/Forums/fluent/33658-problem-drag-coeficient.html)

yann May 6, 2004 09:16

problem with drag coeficient
 
hi

i am trying to have the flow over a cube with round corners (3D model). i have modelised it and solve it in unsteady flow but when i look at the drag coeficient i have something like Cd converging to 1500???? it should be realy smaller isnt it?? can ssomeone can tell me if it is really the drag coefficient.

thanks for all

Tudor Miron May 11, 2004 06:07

Re: problem with drag coeficient
 
Check your reference values - frontal area and speed.

Ted


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