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TurbFoam simpleFoam incompatible fields for operation

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Old   June 19, 2008, 10:43
Default Hi, I am trying to run the
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Fabian Braennstroem
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I am trying to run the same geometry, a diffuser, in steady (simpleFoam) and unsteady (turbFoam) mode with version 1.4.1 using standard k-epsilon. The steady calculation works without a problem, but when starting the unsteady calculation I get:

Selecting incompressible transport model Newtonian
Selecting turbulence model kEpsilon

Starting time loop

Time = 0.01

Courant Number mean: 0 max: 46.5449672485878

--> FOAM FATAL ERROR : incompatible fields for operation
[U] + [region0]#0 Foam::error::printStack(Foam:stream&) in "/home/gcae504/OpenFOAM/OpenFOAM-1.4.1/lib/linux64GccDPOpt/"
#1 Foam::error::abort() in "/home/gcae504/OpenFOAM/OpenFOAM-1.4.1/lib/linux64GccDPOpt/"
#2 void Foam::checkMethod<foam::vector<double> >(Foam::fvMatrix<foam::vector<double> > const&, Foam::fvMatrix<foam::vector<double> > const&, char const*) in "/home/gcae504/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linux64GccDPOpt/turbFoam "
#3 Foam::tmp<foam::fvmatrix<foam::vector<double> > > Foam::operator+<foam::vector<double> >(Foam::tmp<foam::fvmatrix<foam::vector<double> > > const&, Foam::tmp<foam::fvmatrix<foam::vector<double> > > const&) in "/home/gcae504/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linux64GccDPOpt/turbFoam "
#4 main in "/home/gcae504/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linux64GccDPOpt/turbFoam "
#5 __libc_start_main in "/lib64/tls/"
#6 Foam::regIOobject::readIfModified() in "/home/gcae504/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linux64GccDPOpt/turbFoam "

From function checkMethod(const fvMatrix<type>&, const fvMatrix<type>&)
in file /home/dm2/henry/OpenFOAM/OpenFOAM-1.4.1/src/finiteVolume/lnInclude/fvMatrix.C at line 1195.

Pretty strange!? It is the first time that I experienced such a problem. It worked so far well for other calculations... except this simple diffuser (it is the ercoftac workshop 2D asymmetric diffuser). Does anyone have a hint, what I am doing wrong?

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