Current Efforts or what the heck we should be doing...

Schwarzschild Spacetime Novikov Coordinates

Assessment of T-code performance with geodesic slicing

• 7/7/95 - L2-norm analysis of stability and convergence.
• 7/7/95 - Document methodology and results in the Novikov Web page

Black Hole Exclusion

• Boundary conditions with Black Hole Exclusion
  • One sided differencing
  • Annhilation outer boundaries based on Reid Guenther's Boson Stars work.

Tracking Apparent horizons for Novikov Data

• 7/7/95 - Complete integration of extrapolator into Apparent horizon locator. (Test problem Isotropic Schwarzschild with black hole excluded)

Code Development

• T-Code Development
  • 7/14/95 - Layout 2-level scheme with grid functions defined at each level
  • 7/14/95 - Include shift vector terms in evolution equations
  • 7/14/95 - Explore form of evolution equations
  • 7/14/95 - RNPL for rapid prototyping
  • Incorporate general purpose extrapolator for boundary updates
• Other Issues
  • 7/7/95 - Autotasking of bholes
  • T3D port
  • Automated difference equation generator

Apparent Horizon Tracking

• Inclusion of FORTRAN 77 Apparent horizon tracker
  • Black box interpolator/extrapolator