Basic HTML version of Foils prepared August 29 98

Foil 21 Example: Atmosphere Model

From Designing and Building Parallel Programs I: Introduction DoD Modernization Tutorial -- 1995-1998. by Ian Foster, Gina Goff, Ehtesham Hayder, Chuck Koelbel
Simulate atmospheric processes
  • Conservation of momentum, mass, energy
  • Ideal gas law, hydrostatic approximation
Represent atmosphere state by 3-D grid
  • Periodic in two horizontal dimensions
  • Nx.Ny.Nz: e.g., Ny=50-500, Nx=2Ny, Nz=15-30
Computation includes
  • Atmospheric dynamics: finite difference
  • "Physics" (radiation etc.) in vertical only

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