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-   -   New users problems in combustion (http://www.cfd-online.com/Forums/openfoam-solving/58079-new-users-problems-combustion.html)

vijayakumar January 20, 2009 01:45

hi i am new to openfoam, i am
 
hi i am new to openfoam, i am solving one combustion problem.. block mesh dict is shown below.. i used XIFOAM as solver... while running the case the errors are

Creating turbulence model

Selecting turbulence model kEpsilon
#0 Foam::error::printStack(Foam:http://www.cfd-online.com/OpenFOAM_D...part/proud.gifstream&) in "/home/openfoam14/OpenFOAM/OpenFOAM-1.4.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#1 Foam::sigFpe::sigFpeHandler(int) in "/home/openfoam14/OpenFOAM/OpenFOAM-1.4.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#2 ?? in "/lib64/libc.so.6"
#3 Foam::compressible::turbulenceModels::kEpsilon::kE psilon(Foam::GeometricField<do uble,> const&, Foam::GeometricField<foam::vector<double>, Foam::fvPatchField, Foam::volMesh> const&, Foam::GeometricField<double,> const&, Foam::basicThermo&) in "/home/openfoam14/OpenFOAM/OpenFOAM-1.4.1/lib/linux64GccDPOpt/libcompressibleTur bulenceModels.so"
#4 Foam::compressible::turbulenceModel::adddictionary ConstructorToTable<foam::compr essible::turbulencemodels::kepsilon>::New(Foam::Ge ometricField<double,> const&, Foam::GeometricField<foam::vector<double>, Foam::fvPatchField, Foam::volMesh> const&, Foam::GeometricField<double,> const&, Foam::basicThermo&) in "/home/openfoam14/OpenFOAM/OpenFOAM-1.4.1/lib/linux64GccDPOpt/libcompressibleTur bulenceModels.so"
#5 Foam::compressible::turbulenceModel::New(Foam::Geo metricField<double,> const&, Foam::GeometricField<foam::vector<double>, Foam::fvPatchField, Foam::volMesh> const&, Foam::GeometricField<double,> const&, Foam::basicThermo&) in "/home/openfoam14/OpenFOAM/OpenFOAM-1.4.1/lib/linux64GccDPOpt/libcompressibleTur bulenceModels.so"
#6 main in "/home/openfoam14/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linux64GccDPOpt/XiFoa m"
#7 __libc_start_main in "/lib64/libc.so.6"
#8 Foam::regIOobject::readIfModified() in "/home/openfoam14/OpenFOAM/OpenFOAM-1.4.1/applications/bin/linux64GccDPOpt/XiFoa m"

vertices
(
(0 0 0)
(0 0.5 0)
(14 0 0)
(14 0.5 0)
(180 0 0)
(180 0.5 0)
(0 22.5 0)
(180 22.5 0)
(0 0 1)
(0 0.5 1)
(14 0 1)
(14 0.5 1)
(180 0 1)
(180 0.5 1)
(0 22.5 1)
(180 22.5 1)
);

blocks
(
hex (0 2 3 1 8 10 11 9) (14 1 1) simpleGrading (1 1 1)
hex (2 4 5 3 10 12 13 11) (166 1 1) simpleGrading (1 1 1)
hex (1 5 7 6 9 13 15 14) (180 22 1) simpleGrading (1 1 1)
);

edges
(
);

patches
(
patch inlet1
(
(1 9 14 6)
)
patch inlet2
(
(0 8 9 1)
)
patch outlet
(
(5 13 15 7)
)
wall topwall
(
(6 14 15 7)
(1 9 11 3)
)
wall bottomwall
(
(0 8 10 2)
(2 10 12 4)
)
empty frontandback
(
(8 9 11 10)
(0 1 3 2)
(9 14 15 13)
(1 6 7 5)
(10 11 13 12)
(2 3 5 4)
)
);

mergePatchPairs
(
);
please can u tell where i am going wrong... i am doing methane combustion.

smehdi609 January 20, 2009 13:09

You might have initialized a f
 
You might have initialized a field to zero, which you are not supposed to, like epsilon.


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