Eq. Imbalance problem -- CFD Online Discussion Forums

July 10, 2009, 04:20	Eq. Imbalance problem	#1
Blanco Senior Member Blanco Join Date: Mar 2009 Location: Torino, Italy Posts: 193 Rep Power: 17	Hi everybody, I'm doing an ice-simulation with injection (Star 3.26) and in the .info file I get: WARNING #57 Equation of state imbalance at cell xxx is yyy where yyy it's about 1e-2... The time step is very low: 0.005 CA and I'm running a 2000 rpm... I don't know if this is a big problem for my sim (I want to sim also the combustion process...!) but I would know why it happens...and how I can act to avoid such a problem. And also...what do you actually do when you get a WARNING #042 *** PROCESS NOT FULLY CONVERGED...SC1 (my fuel vapor)??? With time steps = 0.01 I get it and I've tried to underelax that scalar to 0.5 but it seems it doesn't work... Regards

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