Computational Details:

study of 'Shell and Tube' Heat-Exchanger exhibiting different tube arragements

• squared domain of length 4
• 9 heated circles of radii 0.5
• inflow b.c.'s: for the u-velocity: u=1 at x=0, y<1
• outflow b.c's:unknown at x= 4, y>3 and x=4,y<4
• other b.c.'s: for the velocity: x=4, y>3
• initial condition at t=0: starting from rest
• viscosity parameter: 1/nu=1,000

• coarse mesh (=level 2): 208 cells, 288 vertices, 1216 d.o.f.`s
  

  
  
  

• uniform refinements with exact boundary adaption
• visualization on level 4: 3,328 cells, 3,672 vertices, 17,344 d.o.f.`s
• computational mesh on level 4: 3,328 cells, 3,672 vertices, 17,344 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: 10/03/2004
• simulation by: Maheswaram Murali Mohan
• visualization by: Maheswaram Murali Mohan
• SUN ULTRA1/140: 2.9 MB, 1,804 seconds
• GMV data:78.15 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!