temperature profile won't update when using UNSTEADY IMPLICIT -- CFD Online Discussion Forums

July 10, 2020, 03:29	temperature profile won't update when using UNSTEADY IMPLICIT	#1
cgswjs New Member Ian Join Date: Jul 2019 Posts: 17 Rep Power: 6	Hello everyone, I've been doing this heat exchanger simulation for months and I tried out different turbulent models, solvers and mesh sets. The temperature profile updates when I use steady solver but the results are not very accurate compare to my benchmark values. So I tried to use the implicit unsteady solver to see if it gives me a better result. However, the temperature magnitude contour doesn't update when I use the unsteady solver. Same mesh set was used as I used steady solver. Can someone help me to resolve this issue? What could be the reason that causes this problem?

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