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Old   December 4, 2017, 12:25
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is it possible to give two initial condition at one time i.e value of velocity and pressure at a one time??
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Old   December 4, 2017, 16:48
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You can only define one initial condition as there can only be one reality in existence at once. But the initial condition must define the initial state of all solution variables, so that is velocity, pressure, turbulence, temperature and any other modelled variables.

So to answer your question, yes, you can define both velocity and pressure in an initial condition. But this is not two initial conditions, just one.
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