March 17, 2023 at 8:59 amFAQParticipant
In Fluent the Error message “Error at Node 0 : Specific_Heat_by_T_Integral : invalid upper bound T1 <=0", at the end of the initialization or at the calculation start, means a general divergence. It can be due to a bad mesh quality, or a setup problem. The option Solution > Check Case may help.
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