From: Optimal control of buoyancy-driven liquid steel stirring modeled with single-phase Navier–Stokes equations
Mesh refinement level
2
3
4
Number of cells
4608
36,864
294,912
Min/max cell size
0.086/0.149
0.0427/0.076
0.02134/0.0389
Dof u
21,675
160,083
1,229,475
Dof p
1053
7225
53,361
Dof total
22,728
167,308
1,282,836