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a variance of forces in FLUENT

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Old   March 2, 2006, 04:11
Default a variance of forces in FLUENT
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HI,does anybody find a variance that the lift(drag) value we back-calculated by the lift(drag) curve sometimes isn't the same as that Fluent reports (Reprot\Forces).

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Old   March 2, 2006, 06:13
Default Re: a variance of forces in FLUENT
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after the calculation when using the report forces panel you shoul use the right vector directions in X and Y coordinates. if your flow has an angle with the body these value must not be eg X=1 Y=0 for drag. you should input them aligned with the flow direction
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Old   March 5, 2006, 02:18
Default Re: a variance of forces in FLUENT
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well, i follow what u said. and the problem does exist after i set the right vector directions. maybe it is a bug in FLUENT?

thanx you very much.
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