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Gravity setting

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Old   March 22, 2008, 06:12
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Hi, I have a model without natural convection with air (incompressible), my domain has an height of about 10 m. Is necessery using gravity ?


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Old   March 22, 2008, 18:48
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your case is without natural convection, may be forced convection. If that is the case, and if it is much more than gravity force, then you can neglect. But to get real phenomena it is always advisable to include gravity force.
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