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-   -   how could i define a custom turbulence model (http://www.cfd-online.com/Forums/fluent/48856-how-could-i-define-custom-turbulence-model.html)

FredPacheo July 24, 2008 11:06

how could i define a custom turbulence model
 
Dear all:

In fluent, some subroutines could be adopted by users to define a new turbulence model, such as define_source, define_diffusivity, define_viscosity and so on.And meanwhile turbulence model should be unselected.

As an example, if I wanna define a standard k-e turbulence model, two source terms should be given by define_source to define tke and epsilon. Also two uds should be involed in the solving equations.

Then my question is: in that situation as I refered, I could define a velocity inlet profile by define_profile, but as the tke and epsilon equations are unselected, how could I give the initial profiles of tke and epsilon defined by uds?


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