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Dimension problem with dyn LES models

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Old   February 4, 2008, 06:35
Default Hi I am Fabian a new OpenFoam
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Fabian Korn
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Hi I am Fabian a new OpenFoam user,
i try to simulate a flow around a circular cylinder at moderate Re numbers. around 200-300. Due to transition i want to use a dynamic LES model, but i am always getting a dimension error, with all available dyn solvers.
I read a lot of threads here and i can not get a solution for it.
For example with the dynMixed Smagorinsky.
--> FOAM FATAL ERROR : LHS and RHS of + have different dimensions
dimensions : [0 1 -1 0 0 0 0] + [0 2 -2 0 0 0 0]
#0 Foam::error::printStack(Foam:stream&)
#1 Foam::error::abort()
#2 Foam::operator+(Foam::dimensionSet const&, Foam::dimensionSet const&)
#3 Foam::tmp<foam::geometricfield<foam::typeofsum<foa m::symmtensor<double>, Foam::SymmTensor<double> >::type, Foam::fvPatchField, Foam::volMesh> > Foam::operator+<foam::symmtensor<double>, Foam::SymmTensor<double>, Foam::fvPatchField, Foam::volMesh>(Foam::tmp<foam::geometricfield<foam ::symmtensor<double>, Foam::fvPatchField, Foam::volMesh> > const&, Foam::tmp<foam::geometricfield<foam::symmtensor<do uble>, Foam::fvPatchField, Foam::volMesh> > const&)
#4 Foam::LESmodels::dynMixedSmagorinsky::B() const
#5 main
#6 __libc_start_main
#7 __gxx_personality_v0 at ../sysdeps/i386/elf/start.S:122

From function operator+(const dimensionSet& ds1, const dimensionSet& ds2)
in file dimensionSet/dimensionSet.C at line 379.

I would be very happy if somebody could help me.
Thanks Fabian
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