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sajad_abasi September 20, 2011 05:45

slip velocity B.C
 
HI.
i want to set slip velocity condition on walls and the formula is the maxwell-smoluchowski first order slip condition in this form:
us-uw=((2-alfa)/alfa)*landa*du/dy
so i need to have u gradient with respect of y on walls.
is it possible to do this with writing "CEL" expression?
thanks.


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