how to setup boundary condition
 

hi all. it seems not trivial for me to set up the proper boundary condition even for the channel flow. could anybody give me some help ? here is the way i tried, which gave me the blown solution only.

u : upper(0), lower(0), inlet(float), outlet(float) v : upper(0), lower(0), inlet(0), outlet(float) p : upper(float), lower(float), inlet(pi), outlet(po)

i am using SIMPLE algorithm, which might be the cause of this chaos. thank you.

Re: how to setup boundary condition
 

It would help if you stated which package/software you are using.

Regards, Des Aubery... (adTherm Technology - ww.adtherm.com)

Re: how to setup boundary condition
 

hi Des~ i made my own code in matlab using SIMPLE algorithm. have a good day~

sincerely, young

Re: how to setup boundary condition
 

u,v = streamwise extrapolation at outlet.

Re: how to setup boundary condition
 

thanks a lot, versi. let me try it.