energy problem
 

Hi,
I modeled a Finned Tube. For Meshing I had a problem that it solved here in this website. In Fluent, unexpectedly, the residual for the energy is beginning to Increase after 50 iterations. The other Residuals-Parameters reduce against it. The report shows that the temperature is not in the allowed limit, it is very high. What can be the problem?


see:
http://www.cfd-online.com/Forums/ans...wavy-fins.html

try changing the under relaxation factors

Thank you. The situation seems to be OK. Residuals-parameter reduced continuously.