diff options
| author | jthorn <jthorn@f88db872-0e4f-0410-b76b-b9085cfa78c5> | 2003-07-25 11:52:38 +0000 |
|---|---|---|
| committer | jthorn <jthorn@f88db872-0e4f-0410-b76b-b9085cfa78c5> | 2003-07-25 11:52:38 +0000 |
| commit | d05fe9cac0ba64f77a2b163949278a400c5c1dc8 (patch) | |
| tree | 22905ba51f577d7965fd5f9f4cbc8feecb5944d3 /README | |
| parent | 09bf945c4c079b3f81dc748d1974596a1de34f16 (diff) | |
add +xz quadrant (mirrored) patch system type
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@1141 f88db872-0e4f-0410-b76b-b9085cfa78c5
Diffstat (limited to 'README')
| -rw-r--r-- | README | 12 |
1 files changed, 7 insertions, 5 deletions
@@ -7,11 +7,13 @@ CVS info : $Header$ Purpose of This Thorn ===================== -This thorn finds an apparent horizon given the 3D xyz-grid metric and -extrinsic curvature (and optionally the StaticConformal conformal factor). -It uses a direct method, writing the apparent horizon equation as an -elliptic PDE on angular-coordinate space. This is fast, but does -require an intitial guess for the apparent horizon position. +This thorn finds an apparent horizon (or more generally, a closed +2-surface with S^2 topology having any desired constant expansion) +given the 3D xyz-grid metric and extrinsic curvature (and optionally +the StaticConformal conformal factor). It uses a direct method, +writing the apparent horizon equation as an elliptic PDE on +angular-coordinate space. This is very fast and accurate, but +it does require an intitial guess for the apparent horizon position. Documentation |