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Lid Driven Cavity FSI: Continuity error cannot be removed by adjusting the outflow.

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Old   February 9, 2018, 01:26
Default Lid Driven Cavity FSI: Continuity error cannot be removed by adjusting the outflow.
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saurabh shubham
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Hi,
I am new to openFoam. I am trying to run a lid driven cavity case with a vertical rectangular block in between, using FoamExtend.

This is the error I am getting:

Time = 0.01, iteration: 2
Current fsi under-relaxation factor: 0.01
Maximal accumulated displacement of interface points: 0.000260251
Courant Number mean: 0.0100219 max: 0.905439 velocity magnitude: 0.455274
BiCGStab: Solving for Ux, Initial residual = 0.0169969, Final residual = 3.79187e-07, No Iterations 3
BiCGStab: Solving for Uy, Initial residual = 0.036895, Final residual = 1.31522e-07, No Iterations 3


--> FOAM FATAL ERROR:
Continuity error cannot be removed by adjusting the outflow.
Please check the velocity boundary conditions and/or run potentialFoam to initialise the outflow.
Specified mass inflow : 3.45746e-09
Specified mass outflow : 2.14369e-06
Difference : 2.14023e-06
Adjustable mass outflow : 0


From function adjustPhi
(
surfaceScalarField& phi,
const volVectorField& U,
const volScalarField& p
)
in file cfdTools/general/adjustPhi/adjustPhi.C at line 150.

FOAM exiting
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