Basic HTML version of Foils prepared 5 October 98

Foil 10 Analysis of Computational Structure

From Earthquake Prediction as Example of N Body Computations CPS615 INtroduction to Computational Science -- Fall Semester 1998. by Geoffrey C. Fox


So basic computation is "long range" and O(N2) for N fault segments
We can compare with other classic long range force problems such as particle dynamics (chemistry, astrophysics) and vortex method in CFD
  • This problem is linear in independent variables fi(t)
  • The position of fault segments is irregular but roughly fixed
  • Force law is that of a "double-couple" (equal and opposite dipoles)
But we have the same essential computational feature that O(N2) terms will lead to high computational load which needs to be addressed somehow.



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