Basic HTML version of Foils prepared Jan 31 99

Foil 15 3:Description of causal differencing

From Overview of BBH Simulations Physics Colloquium -- Oct 29 1998. by Scott Klasky
Canonical coordinate system denoted by (t,xi):Lt=¶/¶t
  • Spatial coordinates dragged along tm = anm + bm.
  • For quantities defined in (t,xi) basis, Lt = ¶ /¶t .
Introduce new coordinates :
  • Time coordinates coincide: .
  • Spatial coordinates dragged along normal vector norm nm
  • At the beginning of each step, t=t0, we set = xi.

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