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Diffstat (limited to 'CarpetExtra/IDScalarWaveFO/src/initialdata.F77')
-rw-r--r-- | CarpetExtra/IDScalarWaveFO/src/initialdata.F77 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/CarpetExtra/IDScalarWaveFO/src/initialdata.F77 b/CarpetExtra/IDScalarWaveFO/src/initialdata.F77 new file mode 100644 index 000000000..e2808d54f --- /dev/null +++ b/CarpetExtra/IDScalarWaveFO/src/initialdata.F77 @@ -0,0 +1,61 @@ +c $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/IDScalarWaveFO/src/initialdata.F77,v 1.5 2004/05/07 22:51:08 schnetter Exp $ + +#include "cctk.h" +#include "cctk_Arguments.h" +#include "cctk_Functions.h" +#include "cctk_Parameters.h" + + subroutine IDScalarWaveFO_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 + + if (CCTK_EQUALS(initial_data, "plane")) then + 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))) + psix(i,j,k) = amplitude * wave_number(1) / omega * 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))) + psiy(i,j,k) = amplitude * wave_number(2) / omega * 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))) + psiz(i,j,k) = amplitude * wave_number(3) / omega * 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))) + end do + end do + end do + + else if (CCTK_EQUALS(initial_data, "noise")) then + + do k=1,cctk_lsh(3) + do j=1,cctk_lsh(2) + do i=1,cctk_lsh(1) + call random_number (phi(i,j,k)) + call random_number (psix(i,j,k)) + call random_number (psiy(i,j,k)) + call random_number (psiz(i,j,k)) + end do + end do + end do + + end if + end |