icoFoam and pisoFoam have different results in laminar analysis -- CFD Online Discussion Forums

March 8, 2023, 15:51	icoFoam and pisoFoam have different results in laminar analysis	#1
siavash_mansouri New Member Join Date: Mar 2023 Posts: 4 Rep Power: 3	Dear All, I tried to run 2D laminar cavity example (but 1m X 1m) with same specifications with icoFoam and pisoFoam(turbulence is off in turbulenceProperties file) solvers, but the results are different. It seems that they both use PISO algorithm with same settings but the result of icoFoam is much more accurate than pisoFoam for this case. Are they similar when the turbulence option is off? If you have any idea to answer this question, please leave a comment. Best wishes,

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