Getting old values of psi internal -- CFD Online Discussion Forums

August 27, 2008, 07:23	Hello i want to have the psi	#1
ffbof New Member Franz Join Date: Mar 2009 Posts: 17 Rep Power: 17	Hello i want to have the psi internal values of a previous time step to access them in the updateInterfaceMatrix function of my fvPatchField. The updateInterfaceMatrix has a parameter lduMatrix& which is the base class for the fvMatrix which has a function psi() to access the psi value. But i cannot cast the lduMatrix into the fvMatrix so my question is how to downcast from the const lduMatrix& to fvMatrix& is that possible in OpenFOAM framework ?.

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