|July 18, 2002, 10:26||
Help: gravity in CFX
I am modeling fine powders flowing out of a hopper under gravity. I set the axis of the hopper along Z direction, which means that the gravity force is along Z direction.
My results shows that the powders stay still inside the hopper, so this means no gravity acts on the powder. I can not find how to prescribe the gravity. Also, I find that the momentum equation in the Manual does not include a body force (gravity) term.
Can you tell me how to include gravitational effect in the simulation?
Thank you very much for your help.
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