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September 21, 2015, 10:03
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#21 |
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Member
Join Date: Nov 2014
Posts: 42
Rep Power: 13  |
Thank you for response.
I wanted to return gradient of UDS ( scalar is volume fraction of nanoparticle in my case) as boundary value. by simplifying transport equation , my boundary condition on the wall is: d(phi)/dx=-(DT/DB)*(dT/dx) that UDS(c,t,0) is phi. As you see I wanted to return derivative not value of phi. I'm beginner at UDF . Could you please give me some advise to use a proper function? |
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