Help with RSM convergence
i am modelling a stirred tank using the RSM and can't get my residuals to go down. i haven't changed the default underrelaxation factors and i am using a very fine mesh-2million cells. Any suggestions are welcome.
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Re: Help with RSM convergence
The following work for me: Pressure 0.3, Density 1.0, BF 0.5, Momentum 0.7, Turb KE 0.4, Turb Diss rate 0.4, Turb Viscosity 0.4, Re Stresses 0.5.
Curious to know why you're using the RSM. Isn't this overkill? I find the 2 equation models (e.g. realizable k-e) produce just as good answers in less time. Happy to discuss if you want to email me (johnnyb@toffeemail.co.uk) |
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