UDF -- CFD Online Discussion Forums

May 10, 2002, 05:12	UDF	#1
iker mallabiabarrena Guest Posts: n/a	I'm a neophite user of Fluent... I'd like to get a particulate BNC.. in fact I'm using the User Defined Scalar Module to modelize the concentration (C) of O2 in a liquid (dissolved O2). I've Navier Stokes equations and UDS (diffusion/convection) equation to solve. I'd like a particular boundary condition.... dc/dn=0 (as a symmetry condition) but u.n not equal zero. So I do not know how to gat it. I wonder if I have to set a Velocity inlet condition with a UDF BNC for the Scalar (dc/dn=0) .. what do you think.. thanks a lot if someone might help me

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