CFD Online Discussion Forums

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-   -   Pressure BC by solving momentum eq (http://www.cfd-online.com/Forums/openfoam-solving/60341-pressure-bc-solving-momentum-eq.html)

sshyu January 18, 2006 10:04

I'm writing a program for elec
 
I'm writing a program for electro-osmotic flow. I will need to solve the momentum eq. to obtain the pressure at the walls. Must I write a new code for doing that? (I guess I'll need to use fixedGradient???) If I do, where can I find a good example? Thanx!

--Steven

sshyu January 21, 2006 22:05

Seems that no body cares to re
 
Seems that no body cares to response. Does anybody know where I can find a good example to start with? Thanx!

eugene January 23, 2006 10:46

fixed gradient with explicit u
 
fixed gradient with explicit updates interpolated from the interior is the best I can think of as a short term solution. Might need some under-relaxation to keep things steady.

sshyu January 23, 2006 11:23

Thanx! Eugene.
 
Thanx! Eugene.


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