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Lid Driven Cavity FSI: Continuity error cannot be removed by adjusting the outflow. |
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February 9, 2018, 01:26 |
Lid Driven Cavity FSI: Continuity error cannot be removed by adjusting the outflow.
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#1 |
New Member
saurabh shubham
Join Date: Aug 2017
Posts: 7
Rep Power: 8 |
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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