help : divergence detected in AMG solver : temperature -- CFD Online Discussion Forums

November 15, 2020, 14:02

help : divergence detected in AMG solver : temperature

AGAAMAZ

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Join Date: Jul 2020

Posts: 22

Rep Power: 5

how can i overcome that error please

divergence detected in AMG solver : temperature

i reduced the energy under relaxation factor to 0.8 and gave me the same error

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November 15, 2020, 14:05		#2
pakk Senior Member Join Date: Nov 2013 Posts: 1,965 Rep Power: 26	Improve your mesh.

November 18, 2020, 10:29		#3
LoGaL Senior Member Lorenzo Galieti Join Date: Mar 2018 Posts: 373 Rep Power: 12	Agree, what is your mesh quality? It's simple flow with turbulence model, I never saw the explode unless you give them some really garbage mesh

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