pressure boundary for NS

i’ve been trying to setup fixed pressure boundaries (and other types) but have run into a wall. (an understanding boundary :stuck_out_tongue: )

this is what i have…

(see two comments down for image)

seems fine as you move away from the boundary, but near the pressure boundary there is a mesh dependent spacial oscillation.

i’ve tried all sorts of mesh’s and time steps, but its always like this.

Attachment: c420572a7e62ca7f9789ee890b229dc6

attachment test comment, not working in forefox

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