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Force coefficients problem!

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Old   April 28, 2005, 20:36
Default Force coefficients problem!
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fpz
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Hi, all, I have a puzzling question that the force coefficients depend on the time step strongly in my trancient simulation using Fluent, that is, the smaller time step, the larger force coefficeints. I cannot get why. Is my simulation scheme wrong? Can anybody give me any sugestion? Many thanks!
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