Writing UDF for Robbins Bounday Condition
To all Fluent CFD experts from all over the world,
I am encountering problem in writing Robbins BC with UDF. Actually i need to define the BC for porous downwall BC velocity dv/dy = v + constant... How can i write it with UDF file ? I really appreciate youy kindly help. KKLAU |
Re: Writing UDF for Robbins Bounday Condition
1. You can explore the Porous model in Fluent. 2. Regarding the UDF you can use
C_DVDY(c,t) macro to access dv/dy C_V(c,t) macro to access v so the equation be written as C_DVDY(c,t)= C_V(c,t) + contsant ; be sure about the palce where you want to loop. Refer section 6.2 of UDF manual. Best, Ady |
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