pressure boundary for NS

More
3 years 1 month ago - 3 years 1 month ago #4092 by place
i've been trying to setup fixed pressure boundaries (and other types) but have run into a wall. (an understanding boundary :P )

this is what i have....

(see two comments down for image)


File Attachment:

File Name: main.py
File Size:2 KB




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.
Attachments:
Last edit: 3 years 1 month ago by place. Reason: not able to add attachments
More
3 years 1 month ago - 3 years 1 month ago #4093 by place
Replied by place on topic pressure boundary for NS
attachment test comment, not working in forefox
Last edit: 3 years 1 month ago by place.
More
3 years 1 month ago #4094 by place
Replied by place on topic pressure boundary for NS
Attachments:
Time to create page: 0.102 seconds