Basic HTML version of Foils prepared 19 September 1997

Foil 55 Petaflop Performance for Flow in Porous Media?

From Master Set of Foils for 1997 Session of CPS615 CPS615 Basic Simulation Track for Computational Science -- Fall Semester 97. by Geoffrey C. Fox


Why does one need a petaflop (1015 operations per second) computer?
These are problems where quite viscous (oil, pollutants) liquids percolate through the ground
Very sensitive to details of material
Most important problems are already solved at some level, but most solutions are insufficient and need improvement in various respects:
  • under resolution of solution details, averaging of local variations and under representation of physical details
  • rapid solutions to allow efficient exploration of system parameters
  • robust and automated solution, to allow integration of results in high level decision, design and control functions
  • inverse problems (history match) to reconstruct missing data require multiple solutions of the direct problem



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