SIBS step size underflow
I am running dieselEngineFoam with spray. I am getting following error some time after spray injection. I checked the chemistryProperties file and tried using different solvers for ODESolver. But it didn't help. Can anyone help me on this?
--> FOAM FATAL ERROR:
step size underflow
From function ODES::SIBS
in file ODESolvers/SIBS/SIBS.C at line 155.
Ok. I got the reason. The solution becomes unstable after layer addition. Very high velocity (7783 m/s). Can anyone suggest how to control the solution after layer addition?
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