Gradient of variable through UDF -- CFD Online Discussion Forums

March 8, 2013, 03:45	Gradient of variable through UDF	#1
mvee Senior Member Vaze Join Date: Jun 2009 Posts: 172 Rep Power: 17	Hi I am solving a scalar equation for one variable. The source term of which is having gradient term like $\frac{\partial{u}}{\partial{x}}$ . 'u' is not axial velocity but it is obtained through algebraic equation which is again the function of x. I need to discretize the equation through UDF. How can i do this? Any comment. Thank you Mvee

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