Turbulent Viscosity limited to viscosity ratio problem in pneumatic conveying -- CFD Online Discussion Forums

June 26, 2013, 04:46	Turbulent Viscosity limited to viscosity ratio problem in pneumatic conveying	#1
shubham208011 Member shubham Join Date: Mar 2009 Posts: 48 Rep Power: 17	Hi all, I am trying to model the phenumatic conveying of flyash. For this I am using time step of t=0.005 sec. Initially everything was fine but after few time steps i got a message that "Turbulent Viscosity limited to viscosity ratio of 1e+05 in 10 cells". I thought this will disappear as solution become more stable but number of cells increase with every jump in time step. Please help me out in handling this. Regards Shubham

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