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Search: Posts Made By: benk
Forum: OpenFOAM Pre-Processing May 31, 2011, 09:19
Replies: 65
Views: 33,428
Posted By benk
Fabian: Just out of interest, are you trying to...

Fabian: Just out of interest, are you trying to come up with a modified heat transfer coefficient (h) instead of directly modelling the temperature drop through the wall which I'm guessing is like a...
Forum: OpenFOAM Pre-Processing May 29, 2011, 10:45
Replies: 65
Views: 33,428
Posted By benk
Fabian: Your method is like setting a...

Fabian: Your method is like setting a fixedGradient boundary condition which updates the gradient value after each internal iteration, alternatively you could do the same with a fixedValue boundary...
Forum: OpenFOAM Pre-Processing February 3, 2011, 16:58
Replies: 65
Views: 33,428
Posted By benk
DT is a volumeScalarField in this case. You got...

DT is a volumeScalarField in this case. You got an error because in your solver the field DT must not exist. You may not need this field, you just have to make sure that your thermal conductivity (k)...
Forum: OpenFOAM Pre-Processing December 6, 2010, 19:42
Replies: 65
Views: 33,428
Posted By benk
Whoops, I forgot to add libs ( "libgroovyBC.so" )...

Whoops, I forgot to add libs ( "libgroovyBC.so" ) ; to my system/controlDict file...it seems to be working now.

But...can anybody explain how dT/dx = h/k (T_w -T_inf) becomes 1.0/(1.0 +...
Forum: OpenFOAM Pre-Processing December 6, 2010, 16:00
Replies: 65
Views: 33,428
Posted By benk
Hi, I'm trying to set exactly the same boundary...

Hi, I'm trying to set exactly the same boundary condition: dT/dx = h/k (T_w -T_inf)

I've installed groovyBC but when I try the following:



I first get an error message saying:
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