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problem with cyclic Bc

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Old   August 16, 2012, 18:19
Default problem with cyclic Bc
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Oscar Urbina
Join Date: Nov 2011
Location: Montréal
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hello everyone,

i'm having troubles understanding the cyclic BC in Openfoam,

what i would like to know is if it is possible to access and change the velocity field in a cyclic bc, to set a non-uniform custom bc.

and if it is, should i try to change the owner patch or the slave patch?

i've looked several times at cyclicFvPatchField.C

and it doesn't at any point make a reference to the owner patch, the only thing i've concluled is that it sets the neighbour patch to be the same as the internalfield.


template<class Type>
const cyclicFvPatchField<Type>& cyclicFvPatchField<Type>::neighbourPatchField()
const GeometricField<Type, fvPatchField, volMesh>& fld =
static_cast<const GeometricField<Type, fvPatchField, volMesh>&>

return refCast<const cyclicFvPatchField<Type> >

so i would really appreciate if someone could give me an idea on how to change the bc to set a custom velocity vector field, for the cyclic bc. (i need the cyclic bc cause i also need to use the fan bc for a pressure jump).


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openfoam cyclic bc

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