Reply To: LBM turbulence

[H.Yu]

I attach a photo.
https://ifh.cc/g/n5rT5x.jpg

This picture is a speed contour. What are the reasons why it looks like that picture?

I am testing various things such as voxel size, stl size, maxVel, resolution, and time discretization refinement, but it is still calculated at first, and -nan occurs as time passes. There is also the problem that yPlusMax keeps increasing.

Anything else to consider?