access to FIDAP-internal data from within a UDF
I am employing a user defined subroutine to specify wall-tangential velocities as boundary conditions (using a SLIP entity). Since this BC depends on a vector quantity the components of which are only known in the global XY coordinate system, I need to transform that vector quantity to the local wall-tangential coord. system for every node on the wall. Therefore I need to know the tangential and normal vectors FIDAP has computed for every node - how can I access this information from within my subroutine?
Thanks in advance,
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