Adding a source term to the epsilon equation

anon_q · June 26, 2019, 19:40

Hello
In my computational domain I want to add a source term to the $\varepsilon$ equation of the $k-\varepsilon$ turbulence model using the fvOptions framework.
The source term depends on the distance from the inlet and the velocity:

$S_{\varepsilon} = {5x\over U}$

Where

is distance from the inlet boundary condition and

is the local x-velocity.

How can I use fvOptions to achieve that?

Thank you

Tibo99 · May 3, 2020, 01:55

Hi!

Did you find a solution?

I got the same issue here...trying to add a source term to k-e model?

June 26, 2019, 19:40	Adding a source term to the epsilon equation	#1
anon_q Senior Member Join Date: Mar 2018 Posts: 115 Rep Power: 9	Hello In my computational domain I want to add a source term to the $\varepsilon$ equation of the $k-\varepsilon$ turbulence model using the fvOptions framework. The source term depends on the distance from the inlet and the velocity: $S_{\varepsilon} = {5x\over U}$ Where is distance from the inlet boundary condition and is the local x-velocity. How can I use fvOptions to achieve that? Thank you

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May 3, 2020, 01:55		#2
Tibo99 Senior Member René Thibault Join Date: Dec 2019 Location: Canada Posts: 114 Rep Power: 8	Hi! Did you find a solution? I got the same issue here...trying to add a source term to k-e model?