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when velocity (Reynolds number) increases ......

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Old   February 10, 2018, 15:29
Default when velocity (Reynolds number) increases ......
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waqar hazoor
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hi all.
i am facing problem in my simulation work. in fluent when i put small values around 30 to 50 m/s for flow the solution work well and converged. but for higher values above 50 to 80 it gives me
" Divergence detected in AMG for temperature : protective actions enabled!
"Divergence detected in AMG for Temperature, temporarily solve with BCGSTAB!

other setup is same for each case only i chance velocity and this happened.

can anyone please explain me ,

the case is jet impingement heat transfer

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