Computational Details:

Study of Shell and Tube Heat-Exchanger exhibiting different tube arrangements (Height 4 & width 4)

• squared domain of length 4
• 16 heated circles of 0.09375 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 1): 220 cells, 269 vertices, 1228 d.o.f.`s
  

  
  
  

• uniform refinements with exact boundary adaption
• visualization on level 4: 14080 cells, 14577 vertices, 71,424 d.o.f.`s
• computational mesh on level 4: 14080 cells, 14577 vertices, 71,424 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=30 corresponds to 3,000 time steps
• fractional step theta scheme

• date: 03/09/2004
• simulation by: Karnati Srinivas
• visualization by: Karnati Srinivas
• SUN ULTRA1/140: 12 MB, 8597 seconds
• GMV data: 286.45 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!