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Old   March 9, 2010, 23:27
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JunWei Wang
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does anybody know that boundary is like valve or hydrant?

I want to set the boundary for the outflow like a valve that I can contral the flow rate.

thanks a lot.
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Old   March 10, 2010, 13:08
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michael barkhudarov
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You can use the mass/momentum source model which is designed to model such situations. The flow rate can be defined as a function of time. Check out the manual for the details.
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