Solution in FLuent is giving weird results -- CFD Online Discussion Forums

October 28, 2011, 00:25	Solution in FLuent is giving weird results	#1
deeimproptus New Member Deepchand Singh Negi Join Date: Oct 2011 Posts: 12 Rep Power: 14	Working on K-Epsilon realizable model with energy equation. Foe the first 22000 iteration I switched off the energy equation. after 22000 iteration I solved for energy only. Now just after 60 iteration I am getting negative heat transfer coefficients , residual rose back to 1e-02 from 1e-07. ?????? What could possibly the reasons Tried altering boundary condition. Again during simulations I am getting that temperature has been limited to some value (say 1 or 5) in certain number of cells. ?????

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