Initial revision

darcs-hash:20010301114010-f6438-12fb8a9ffcc80e86c0a97e37b5b0dae0dbc59b79.gz

1 files changed, 34 insertions, 0 deletions

diff --git a/CarpetExtra/IDScalarWaveExpl/src/initialdata.F77 b/CarpetExtra/IDScalarWaveExpl/src/initialdata.F77
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+c     $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/IDScalarWaveExpl/src/initialdata.F77,v 1.2 2003/11/05 16:18:40 schnetter Exp $
+
+#include "cctk.h"
+#include "cctk_Arguments.h"
+#include "cctk_Functions.h"
+#include "cctk_Parameters.h"
+      
+      subroutine IDScalarWaveExpl_InitialData (CCTK_ARGUMENTS)
+      implicit none
+      DECLARE_CCTK_ARGUMENTS
+      DECLARE_CCTK_FUNCTIONS
+      DECLARE_CCTK_PARAMETERS
+      CCTK_REAL pi
+      parameter (pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117068d0)
+      CCTK_REAL omega
+      integer i, j, k
+      omega = sqrt(wave_number(1)**2 + wave_number(2)**2 + wave_number(3)**2)
+      do k=1,cctk_lsh(3)
+         do j=1,cctk_lsh(2)
+            do i=1,cctk_lsh(1)
+               phi(i,j,k) = amplitude * cos (2*pi *
+     $              ( wave_number(1)*(x(i,j,k)-phase_offset(1))
+     $              + wave_number(2)*(y(i,j,k)-phase_offset(2))
+     $              + wave_number(3)*(z(i,j,k)-phase_offset(3))
+     $              + omega*(cctk_time-time_offset)))
+               psi(i,j,k) = - amplitude * 2*pi * omega * sin (2*pi *
+     $              ( wave_number(1)*(x(i,j,k)-phase_offset(1))
+     $              + wave_number(2)*(y(i,j,k)-phase_offset(2))
+     $              + wave_number(3)*(z(i,j,k)-phase_offset(3))
+     $              + omega*(cctk_time-time_offset)))
+            end do
+         end do
+      end do
+      end