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Foil 3 Spatial Differencing in NAS Benchmarks

From Spatial Differencing and ADI Solution of the NAS Benchmarks CPSP713 Case studies in Computational Science -- Spring Semester 1996. by Geoffrey C. Fox
1 Sections 3.4.2,3.4.3,3.4.4 cover basic spatial discretization
2 We are using uniform grid in x,h,z directions with respective step sizes hx,hh,hz.
3 These cover unit cube in x,h,z space with total number of points which is for benchmark problems the same NNAS in each spatial direction
  • NNAS = 64 for class A and 102 for class B
4 We can use finite difference methods because of uniform grid and these involve such approximations as:
  • Of course each U should have a time superscript n which is left off for clarity
in Table To:

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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