Computational Details:

Study os 'Shell and Tube' Heat-Exchangers exhibiting different tube arrangements (height 4, width 4)

• squared domain of length 4
• 4 heated circles of 0.75 radii
• inflow b.c.'s: u=1 at x=0,y>0 and x=0,y<1
• outfolw b.c.'s: unknown at x=4,y>3 and x=4,y<4
• other b.c's: zero at fixed walls
• initial condition at t=0: starting from rest
• viscosity parameter: 1/nu=1,000

• coarse mesh (=level 2): 132 cells, 177 vertices, 756 d.o.f.`s
  

  
  
  

• uniform refinements with exact boundary adaption
• visualization on level 4: 2112 cells, 2301 vertices, 10944 d.o.f.`s
• computational mesh on level 4: 2112 cells, 2301 vertices, 10944 d.o.f.`s
• nonconforming nonparametric rotated bilinear fem's (meanvalue version), UPW

• equidistant time stepping for computation with k=0.01
• equidistant time stepping for visualization with k=0.3 (= 1 frame)
• Total time T=52 corresponds to 5200 time steps
• fractional step theta scheme

• date: 05/30/2004
• simulation by: ModugulaChandra
• visualization by: modugulaChandra
• SUN ULTRA1/140: 12 MB, 1015 seconds
• GMV data: 52 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!