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Flow Trajectories Assymetric

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Old   February 26, 2009, 07:24
Default Flow Trajectories Assymetric
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I am attempting to model the air flow around the passenger cabin of a car in order to find a way of optimizing it.

No matter what i do (in terms of inlet velocity, static pressure, position of flow etc), always the flow trajectories are asymmetric.

I've tried adding a symmetry boundary condition, however when i change the min and max Z values around, the flows are very different.

Does anyone have an explanation for this, or a way to solve this?

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