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susp in kEpsilon code in openfoam

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Old   October 14, 2018, 11:36
Default susp in kEpsilon code in openfoam
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Hi dears
I'm dealing with k epsilon equations in openfoam to make some desirable change on that. I wonder if somebody could helo to understand this term:


- fvm::SuSp((2.0/3.0)*alpha()*rho()*divU, k_)
in k equation

and also

- fvm::SuSp(((2.0/3.0)*C1_ - C3_)*alpha()*rho()*divU, epsilon_)
in epsilon equation.

so where does 2.0/3.0 comes from? in compaare with the equations n literature.

Regards
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Old   October 22, 2018, 13:24
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Hi again !
Problem solved
there is a comperehensive disscutioon about this in here:


k-epsilon implementation? (including volScalarField G)
Regards
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