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-   -   Partially premixed model: Divergence (https://www.cfd-online.com/Forums/fluent/93199-partially-premixed-model-divergence.html)

kmcsekhar October 7, 2011 13:30

Partially premixed model: Divergence
 
Hello,
I am trying to do combustion analysis of a gasoline engine at octane lower than regular gasoline (which i assume as 90). The cases with octane numbers of 87 and 85 diverged giving: "Divergence detected in AMG solver: pressure correction". All the parameters were kept same from the 90 octane case which ran smoothly and gave me predicted results. Can anyone address this issue.


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