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Old   February 26, 2008, 19:38
Default Turbulence Model
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hi, every1 i am using star-design to do my final year project ,i was ask to very the turbulence model which are ke model and constant viscosity model. however in the option i can only find ke model on/off, how do i use constant effective viscosity model then ? ( is it just turn the ke off and density to constant >? )
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Old   February 27, 2008, 18:09
Default Re: Turbulence Model
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what do you mean for costant viscosity models? I don't're speaking about turbulence model but you want a model where you consider a costant viscosity for your liquid?
If I'm not wrong every turbulence model consider a variable viscosity in the's implicit in the turbulence phenomena...then you can choose to use a scala relationship between viscosity and shear stress or not...but that's another question...
Plase be more specific
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Old   February 28, 2008, 09:16
Default Re: Turbulence Model
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Star Design is a very pared down CFD program. You can chose either k-epsilon turbulence model or laminar flow. Star-CD offers a much wider range of tubulence models. Constant viscosity is the most simple one. So if you are to compare those two models you should use Star-CD.
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Old   March 3, 2008, 19:06
Default Re: Turbulence Model
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Sorry for my previous message, now I understand...
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