From d05fe9cac0ba64f77a2b163949278a400c5c1dc8 Mon Sep 17 00:00:00 2001 From: jthorn Date: Fri, 25 Jul 2003 11:52:38 +0000 Subject: add +xz quadrant (mirrored) patch system type git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@1141 f88db872-0e4f-0410-b76b-b9085cfa78c5 --- README | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'README') diff --git a/README b/README index 036edab..ef52d6c 100644 --- a/README +++ b/README @@ -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 -- cgit v1.2.3