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-   -   wall suction udf (http://www.cfd-online.com/Forums/fluent/48745-wall-suction-udf.html)

osman turan July 11, 2008 04:56

wall suction udf
 
Dear All, I am trying to implement a constant wall suction boundary condition with a velocity of v=-0.001 m/s in a simple 2d unsteady turbulent flow. I could not find amoung the boundary conditions any condition that will satisfy u=0, v=constant except for inlet. I have to use UDF for this purpose! Can any one help me with this UDF as I am very new to UDF and how to compile it. Thanks

umesh javiya July 11, 2008 12:00

Re: wall suction udf
 
But you could still use inlet condition with negative velocity right!!!!!!!!!!

Why you want to make you life complicate using UDF..!!!!


osman turan July 17, 2008 07:09

Re: wall suction udf
 
Dear All, I am trying to implement a constant wall suction boundary condition with a velocity of v=-0.001 m/s in a simple 2d unsteady turbulent flow. I could not find amoung the boundary conditions any condition that will satisfy u=0, v=constant except for inlet. I have to use UDF for this purpose! Can any one help me with this UDF as I am very new to UDF and how to compile it. Thanks


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