diff options
Diffstat (limited to 'CarpetExtra/IDScalarWave/src/InitialData.F77')
| -rw-r--r-- | CarpetExtra/IDScalarWave/src/InitialData.F77 | 65 |
1 files changed, 47 insertions, 18 deletions
diff --git a/CarpetExtra/IDScalarWave/src/InitialData.F77 b/CarpetExtra/IDScalarWave/src/InitialData.F77 index 294764873..739c6d2d2 100644 --- a/CarpetExtra/IDScalarWave/src/InitialData.F77 +++ b/CarpetExtra/IDScalarWave/src/InitialData.F77 @@ -1,9 +1,10 @@ c -*-Fortran-*- +c $Header: /home/eschnett/C/carpet/Carpet/CarpetExtra/IDScalarWave/src/InitialData.F77,v 1.8 2001/12/14 18:00:01 schnetter Exp $ /*@@ @file InitialData.F77 @date - @author Tom Goodale + @author Tom Goodale, Erik Schnetter @desc Initial data for the 3D Wave Equation @enddesc @@ -17,7 +18,7 @@ c -*-Fortran-*- /*@@ @routine IDScalarWave_InitialData @date - @author Tom Goodale + @author Tom Goodale, Erik Schnetter @desc Set up initial data for the wave equation @enddesc @@ -39,6 +40,7 @@ c -*-Fortran-*- INTEGER i,j,k CCTK_REAL dt,omega, pi + CCTK_REAL x,y,z, r c call CCTK_INFO ("IDScalarWave_InitialData") @@ -54,12 +56,18 @@ c call CCTK_INFO ("IDScalarWave_InitialData") do j=1,cctk_lsh(2) do i=1,cctk_lsh(1) + x = cart3d_x(i,j,k) + y = cart3d_y(i,j,k) + z = cart3d_z(i,j,k) + phi(i,j,k) = amplitude - $ * cos((kx*cart3d_x(i,j,k) + ky*cart3d_y(i,j,k) - $ + kz*cart3d_z(i,j,k) + omega*cctk_time) * pi) + $ * cos((kx*x + ky*y + kz*z + omega*cctk_time) * pi) + phi_p(i,j,k) = amplitude - $ * cos((kx*cart3d_x(i,j,k) + ky*cart3d_y(i,j,k) - $ + kz*cart3d_z(i,j,k) + omega*(cctk_time - dt)) * pi) + $ * cos((kx*x + ky*y + kz*z + omega*(cctk_time - dt)) * pi) + + phi_p_p(i,j,k) = amplitude + $ * cos((kx*x + ky*y + kz*z + omega*(cctk_time - 2*dt)) * pi) end do end do @@ -71,10 +79,20 @@ c call CCTK_INFO ("IDScalarWave_InitialData") do j=1, cctk_lsh(2) do i=1, cctk_lsh(1) + r = spher3d_r(i,j,k) + phi(i,j,k) = amplitude - $ * exp(- (spher3d_r(i,j,k) - radius)**2 / sigma**2) - phi_p(i,j,k) = amplitude - $ * exp(- (spher3d_r(i,j,k) - radius - dt)**2 / sigma**2) + $ * exp(- (r - radius)**2 / sigma**2) + + phi_p(i,j,k) = amplitude/2 * (r - dt) / r + $ * exp(- (r - radius - dt)**2 / sigma**2) + $ + amplitude/2 * (r + dt) / r + $ * exp(- (r - radius + dt)**2 / sigma**2) + + phi_p_p(i,j,k) = amplitude/2 * (r - 2*dt) / r + $ * exp(- (r - radius - 2*dt)**2 / sigma**2) + $ + amplitude/2 * (r + 2*dt) / r + $ * exp(- (r - radius + 2*dt)**2 / sigma**2) end do end do @@ -88,17 +106,27 @@ c Use kx,ky,kz as number of modes in each direction. do j=1,cctk_lsh(2) do i=1,cctk_lsh(1) + x = cart3d_x(i,j,k) + y = cart3d_y(i,j,k) + z = cart3d_z(i,j,k) + phi(i,j,k) = amplitude - $ * sin(kx * (cart3d_x(i,j,k) - 0.5d0) * pi) - $ * sin(ky * (cart3d_y(i,j,k) - 0.5d0) * pi) - $ * sin(kz * (cart3d_z(i,j,k) - 0.5d0) * pi) + $ * sin(kx * (x - 0.5d0) * pi) + $ * sin(ky * (y - 0.5d0) * pi) + $ * sin(kz * (z - 0.5d0) * pi) $ * cos(omega * cctk_time * pi) phi_p(i,j,k) = amplitude - $ * sin(kx * (cart3d_x(i,j,k) - 0.5d0) * pi) - $ * sin(ky * (cart3d_y(i,j,k) - 0.5d0) * pi) - $ * sin(kz * (cart3d_z(i,j,k) - 0.5d0) * pi) - $ * cos(omega * (cctk_time-dt) * pi) + $ * sin(kx * (x - 0.5d0) * pi) + $ * sin(ky * (y - 0.5d0) * pi) + $ * sin(kz * (z - 0.5d0) * pi) + $ * cos(omega * (cctk_time - dt) * pi) + + phi_p_p(i,j,k) = amplitude + $ * sin(kx * (x - 0.5d0) * pi) + $ * sin(ky * (y - 0.5d0) * pi) + $ * sin(kz * (z - 0.5d0) * pi) + $ * cos(omega * (cctk_time - 2*dt) * pi) end do end do @@ -110,8 +138,9 @@ c Use kx,ky,kz as number of modes in each direction. do j=1,cctk_lsh(2) do i=1,cctk_lsh(1) - phi(i,j,k) = 0.0d0 - phi_p(i,j,k) = 0.0d0 + phi(i,j,k) = 0.0d0 + phi_p(i,j,k) = 0.0d0 + phi_p_p(i,j,k) = 0.0d0 end do end do |