Temperature and shear stress depending viscositiy -- CFD Online Discussion Forums

April 22, 2010, 04:56	UDF for temperature and shear rate depending viscositiy	#1
mannobot Member Join Date: Feb 2010 Posts: 50 Rep Power: 16	Hi, I am pretty new to UDF programming. I would like to define viscosity in terms of temperature and shear rate. The implemented model for non newtonian fluids does not fit the data of my fluid. Is there a specified macro within FLUENT associated to shear rate? Like C_STRAIN_RATE_MAG(c,t) for the strain rate? Any help would be much appreciated Last edited by mannobot; April 22, 2010 at 10:43.

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