please help-time varying inlet velocity
hi friends,
i m new to phoenics. My inlet velocity is varying with time which i know, how should i set the time varying inlet velocity in phoenics for transient simulation. please help me. |
time varying inlet velocity
Dear Saurabh
Simples to specify in Q1 the inlet boundary conditions for variables p1, u1, v1 and/or w1 at each time step. For example at 1st time step PATCH(TIME1,CELL,1,NX,1,NY,1,NZ,1,1) (here 1,1 first and last time step are 1) COVAL(TIME1,P1 ... ) ('...' is your conditions) COVAL(TIME1,U1 ... ) COVAL(TIME1,V1 ... ) at 2nd time step PATCH(TIME2,CELL,1,NX,1,NY,1,NZ,2,2) COVAL(TIME2,P1 ... ) COVAL(TIME2,U1 ... ) COVAL(TIME2,V1 ... ) etc. For more complex problem You can use In-Form feature which can set souces by formula. This formula can contain the variables TIM (current time, seconds) and ISTEP (number of current time step). Best regards, Nikolay Pavitskiy. |
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