From 310f0ea48d18866b773136aed11200b6eda6378b Mon Sep 17 00:00:00 2001 From: eschnett <> Date: Thu, 1 Mar 2001 11:40:00 +0000 Subject: Initial revision darcs-hash:20010301114010-f6438-12fb8a9ffcc80e86c0a97e37b5b0dae0dbc59b79.gz --- CarpetExtra/IDScalarWaveExpl/src/initialdata.F77 | 34 ++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 CarpetExtra/IDScalarWaveExpl/src/initialdata.F77 (limited to 'CarpetExtra/IDScalarWaveExpl/src/initialdata.F77') diff --git a/CarpetExtra/IDScalarWaveExpl/src/initialdata.F77 b/CarpetExtra/IDScalarWaveExpl/src/initialdata.F77 new file mode 100644 index 000000000..33a19b6cb --- /dev/null +++ b/CarpetExtra/IDScalarWaveExpl/src/initialdata.F77 @@ -0,0 +1,34 @@ +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 -- cgit v1.2.3