add Carlos Bona's suggestion of a GaugeWave

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinInitialData/Exact/trunk@71 e296648e-0e4f-0410-bd07-d597d9acff87

1 files changed, 31 insertions, 0 deletions

diff --git a/param.ccl b/param.ccl
index 37c92d3..b406bc0 100644
--- a/param.ccl
+++ b/param.ccl
@@ -75,6 +75,7 @@ KEYWORD exactmodel "The exact solution used in thorn exact"
   "desitter"    :: "DeSitter spacetime (R-W cosmology, near t=0, p=0)"
   "kasner"      :: "Kasner like spacetime"
   "milne"       :: "De Milne spacetime for pre-big-bang cosmology"
+  "gauge_wave"  :: "Carlos Bonas' suggestion of a gauge wave"
 } "minkowski"
 
 
@@ -424,3 +425,33 @@ REAL desitt_b "Parameter for DeSitter space-time"
 {
 0.0:1000.0 :: "Positive please"
 } 0.1
+
+
+#########################
+### GaugeWave Params  ###
+#########################
+
+KEYWORD GW_H "what function to use"
+{
+"sin" :: "1-a*sin(x)"
+"exp" :: "1-exp(x)"
+}"sin"
+ 
+REAL GW_a "amplitude of the wave"
+{
+*:: "anything (better smaller than 1)"
+}0.5
+  
+REAL GW_omega "amplitude of the wave"
+{
+*:: "anything"
+}1.0
+    
+BOOLEAN GW_diagonal "let the wave run diagonally across the grid"
+{
+}"no"
+   
+REAL GW_del "distance of waves"
+{
+*:: "anything"
+}0.5