# Stratified flow with interFoam

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 April 26, 2010, 12:16 Stratified flow with interFoam #1 Member   Sabin Ceuca Join Date: Mar 2010 Location: Munich Posts: 42 Rep Power: 8 Hello everyone, I am a rookie in OpenFOAM and I try to simulate a stratified two-phase flow in a rectangular channel (slice), a pretty easy setup 0.99 x 0.131 x 0.001 m3 where there water is up to the height of 0.031m, the sides in the z-direction are symmetryPlanes, while the top and the bottom of the channel are walls. The fluids are entering the domain in x direction both with the same velocity. The BC’s are: inletWater (x<=0.99 && y<=0.031 && z<=0.001):alpha1-fixedValue uniform 1; epsilon - fixedValue uniform 0.04996; k - fixedValue uniform 0.003; p-zeroGradient; U-fixedValue (0.28 0 0) inletSteam (x<=0.99 && y>=0.031 && z<=0.001): alpha1-fixedValue uniform 0; epsilon - fixedValue uniform 0.04996; k - fixedValue uniform 0.001; p-zeroGradient; U-fixedValue (0.28 0 0) outlet:alpha1 - zeroGradient; epsilon - zeroGradient; k - zeroGradient; p- fixedValue uniform 7e5; U- zeroGradient; walls:alpha1 - zeroGradient; epsilon - zeroGradient; k - zeroGradient; p-zeroGradient; U-fixedValue (0 0 0) sides:alpha1 - symmetryPlane; epsilon - symmetryPlane; k - symmetryPlane; p - symmetryPlane; U – symmetryPlane; maxCo=0.5 OpenFoam stops with following error: #1 Foam::sigFpe::sigFpeHandler(int) in "/opt/products/farm/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libOpenFOAM.so" #2 ?? in "/lib/libc.so.6" #3 Foam::Time::adjustDeltaT() in "/opt/products/farm/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libOpenFOAM.so" #4 main in "/opt/products/farm/OpenFOAM/OpenFOAM-1.6/applications/bin/linux64GccDPOpt/interFoam" #5 __libc_start_main in "/lib/libc.so.6" #6 Foam::regIOobject::writeObject(Foam::IOstream::str eamFormat, Foam::IOstream::versionNumber, Foam::IOstream::compressionType) const in "/opt/products/farm/OpenFOAM/OpenFOAM-1.6/applications/bin/linux64GccDPOpt/interFoam" Hope you can help me, Thanks! PROBLEM SOLVED: The initial velocities of the two phases where to high. Slowly increasing the inlet values did the trick! Last edited by sabin.ceuca; May 26, 2010 at 07:08. Reason: Problem solved

 Tags interfoam, openfoam 1.6, stratified flow

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