Basic HTML version of Foils prepared Jan 31 99

Foil 28 6: Inner boundary + causal differencing

From Overview of BBH Simulations Physics Colloquium -- Oct 29 1998. by Scott Klasky
The only difference for an advecting hole is that
  • Grid points on the leading edge of the hole are swallowed.
  • Grid points on the trailing edge emerge from the hole
For the emerging point, we can either extrapolate bi or extrapolate

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