Computational Details:

"Flow around `CFD' at high Reynolds number"

• diameter of the circle: 2
• rotational speed 1 (counterclockwise) on the circle (tangential speed)
• other b.c.'s: zero velocity at the characters
• initial condition at t=0: starting from rest
• viscosity parameter: 1/nu=100,000

• coarse mesh (=level 1): 38 cells, 57 vertices, 232 d.o.f.'s
  

  
  
  

• uniform refinements with exact boundary adaption
• visualization on level 5: 9,728 cells, 10,062 vertices, 49,312 d.o.f.`s
• computational mesh on level 8: 622,592 cells, 625,278 vertices, 3,118,336 d.o.f.`s
• nonconforming nonparametric rotated bilinear fem's (meanvalue version), UPW

• equidistant time stepping for computation with k=0.016666667
• equidistant time stepping for visualization with k= 0.1 (= 1 frame)
• Total time T= 31.6 seconds corresponds to 1,896 time steps
• fractional step theta scheme

• date: 01/20/98
• simulation by: S.Turek
• visualization by: L.Seioukova
• SUN ULTRA 45/250: 500 MB, 344,699 seconds
• AVS data: 507 MB
• Software: FEATFLOW1.0 + BOUSS

• For more details about numerical and algorithmic aspects see the `Mathematical Background' in the FEATFLOW manual or visit our paper archive for much more details.
• The problem-specific data for the applied software version including parameter files and input data can be downloaded here!