mixed subsonic/supersonic flow at an inlet BC

March 11, 2003, 04:33

Hello all,

what is the best and physical correct way to define the inlet BC for mixed subsonic/supersonic flow ? Currently I use a total pressure profile at this location but it seems to be physically insufficient.

ThanX Sascha

March 26, 2003, 05:07

Hi,

this seems to be a bit of an obvious answer, and im sure u must have tried it. But do i know where in your inlet boundary the transition from supersonic to subsonic occurs, if so, then u could used two inlet boundaries with one subsonic and one supersonic?

March 26, 2003, 11:45

we tried this and the results are not physical correct because of the interface between the two parts. They have no physical velocity profile.

So I am still looking for a good answer. Maybe I will find it sometime.

sascha

March 11, 2003, 04:33	mixed subsonic/supersonic flow at an inlet BC	#1
sascha Guest Posts: n/a	Hello all, what is the best and physical correct way to define the inlet BC for mixed subsonic/supersonic flow ? Currently I use a total pressure profile at this location but it seems to be physically insufficient. ThanX Sascha

March 26, 2003, 05:07	Re: mixed subsonic/supersonic flow at an inlet BC	#2
N Menon Guest Posts: n/a	Hi, this seems to be a bit of an obvious answer, and im sure u must have tried it. But do i know where in your inlet boundary the transition from supersonic to subsonic occurs, if so, then u could used two inlet boundaries with one subsonic and one supersonic?

March 26, 2003, 11:45	Re: mixed subsonic/supersonic flow at an inlet BC	#3
sascha Guest Posts: n/a	we tried this and the results are not physical correct because of the interface between the two parts. They have no physical velocity profile. So I am still looking for a good answer. Maybe I will find it sometime. sascha

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