[zylanboluo]

Hello，everyone！
When I simulated a 2D 2Ma wedge flow field with SU2 using NS governing equations, I found the result was wrong on boundary junctions. I set left and upper boundaries as farfield, right boundary as outflow, and lower boundary as NS wall. The result was wrong at the lower-left corner and the lower-right corner. At the lower-right corner, the pressure decreases suddenly for no reason，and the lower-right corner is treated as a bump.
Why this wrong result happened？ Code problems or something else？


I have also tested the tutorial "Turbulent Flat Plate", and found this problem at lower-right corner，the junction of outlet and NS wall.

[chamsolli]

HI,
I think that the problem at the lower-left corner is due to boundary condtiion.
Since you're imposing NS-Wall for whole lower boundary, you may face sudden decrease in pressure at thw lower-left corner.

I recommend you to divide the lower wall into two sections and imposing symmetry condition for the first section and NS-wall for the other section.

I'm not quite sure what's going on at the lower-right corner but I'd recommend to use high resolution mesh for NS simulation near the wall.

I hope this helps!

Best,
Jae Hwan Choi