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Simple calculates pressure

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Old   November 19, 2017, 15:03
Default Simple calculates pressure
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Hi,

looking into my log file I have noticed that simpleFoam is calculating the pressure 2 times, but the velocity in each direction only one time. Is this normal? Usually simple corrects the pressure only one time, or am I wrong?

Code:
DILUPBiCG:  Solving for Ux, Initial residual = 0.0056691, Final residual = 2.87652e-05, No Iterations 4
DILUPBiCG:  Solving for Uy, Initial residual = 0.0536912, Final residual = 0.000310195, No Iterations 4
DILUPBiCG:  Solving for Uz, Initial residual = 0.023097, Final residual = 4.73416e-05, No Iterations 5
DICPCG:  Solving for p, Initial residual = 0.312251, Final residual = 0.00310477, No Iterations 60
DICPCG:  Solving for p, Initial residual = 0.073945, Final residual = 0.000734674, No Iterations 80
time step continuity errors : sum local = 1.53696e-08, global = -8.27011e-10, cumulative = -8.74447e-09
ExecutionTime = 1640.37 s  ClockTime = 1642 s
Does anyone know why?


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Old   November 19, 2017, 15:30
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Quote:
Originally Posted by Friendly View Post
Hi,

looking into my log file I have noticed that simpleFoam is calculating the pressure 2 times, but the velocity in each direction only one time. Is this normal? Usually simple corrects the pressure only one time, or am I wrong?

Code:
DILUPBiCG:  Solving for Ux, Initial residual = 0.0056691, Final residual = 2.87652e-05, No Iterations 4
DILUPBiCG:  Solving for Uy, Initial residual = 0.0536912, Final residual = 0.000310195, No Iterations 4
DILUPBiCG:  Solving for Uz, Initial residual = 0.023097, Final residual = 4.73416e-05, No Iterations 5
DICPCG:  Solving for p, Initial residual = 0.312251, Final residual = 0.00310477, No Iterations 60
DICPCG:  Solving for p, Initial residual = 0.073945, Final residual = 0.000734674, No Iterations 80
time step continuity errors : sum local = 1.53696e-08, global = -8.27011e-10, cumulative = -8.74447e-09
ExecutionTime = 1640.37 s  ClockTime = 1642 s
Does anyone know why?


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Friendly
Check number of non orthogonal correctors in fvSolution
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Old   November 19, 2017, 18:11
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Oh yes, that's it thank you very much! I have one loop for non orthogonal correction.
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