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Forum: FLUENT

January 4, 2011, 14:16

Replies: 4

Large source term in species equation

Views: 3,650

Posted By MACFD

I lowered URF value for the species. As you...

I lowered URF value for the species. As you mentioned, it lowered the residuals and I defined a really small value for convergence criterion.
Unfortunately, the results are not rational. Center line...

Forum: FLUENT

January 4, 2011, 01:23

Replies: 4

Large source term in species equation

Views: 3,650

Posted By MACFD

COMPUTERGUY, Thanks for your prompt reply....

COMPUTERGUY,

Thanks for your prompt reply. My case is steady state.
I lowered the under-relaxation factor and it converged. I should check the results though to see if they are rational.
Your...

Forum: FLUENT

January 3, 2011, 17:59

Replies: 4

Large source term in species equation

Views: 3,650

Posted By MACFD

Large source term in species equation

Hi ,
I am trying to add a large source term in species equation. I have two species one has a mass fraction of 3e-5 (particle phase). Diffusivity of particles is really samll (D=1e-8 m^2/s).
...

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