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/*@@
@file GRHydro_Reconstruct.F90
@date Sat Jan 26 02:13:25 2002
@author Bruno Mundim, Josh Faber, Christian D. Ott
@desc
Wrapper routine to perform the reconstruction.
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"
#include "cctk_Functions.h"
#include "GRHydro_Macros.h"
#include "SpaceMask.h"
/*@@
@routine Reconstruction
@date Sat Jan 26 02:13:47 2002
@author Luca Baiotti, Ian Hawke, Christian D. Ott
@desc
A wrapper routine to do reconstruction. Currently just does
TVD on the primitive variables.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine Reconstruction(CCTK_ARGUMENTS)
implicit none
! save memory when MP is not used
! TARGET as to be before DECLARE_CCTK_ARGUMENTS for gcc 4.1
TARGET gaa, gab, gac, gbb, gbc, gcc
TARGET gxx, gxy, gxz, gyy, gyz, gzz
TARGET lvel, vel
DECLARE_CCTK_ARGUMENTS
DECLARE_CCTK_PARAMETERS
DECLARE_CCTK_FUNCTIONS
CCTK_INT :: i,j,k
CCTK_REAL :: local_min_tracer, dummy1, dummy2
CCTK_INT :: type_bits, not_trivial
CCTK_REAL :: agxx, agxy, agxz, agyy, agyz, agzz, w
character*256 :: warnline
! save memory when MP is not used
CCTK_INT :: GRHydro_UseGeneralCoordinates
CCTK_REAL, DIMENSION(:,:,:), POINTER :: g11, g12, g13, g22, g23, g33
CCTK_REAL, DIMENSION(:,:,:,:), POINTER :: vup
if (GRHydro_UseGeneralCoordinates(cctkGH).ne.0) then
g11 => gaa
g12 => gab
g13 => gac
g22 => gbb
g23 => gbc
g33 => gcc
vup => lvel
else
g11 => gxx
g12 => gxy
g13 => gxz
g22 => gyy
g23 => gyz
g33 => gzz
vup => vel
end if
if (CCTK_EQUALS(recon_method,"tvd")) then
! this handles MHD and non-MHD
call GRHydro_TVDReconstruct_drv(CCTK_PASS_FTOF)
else if (CCTK_EQUALS(recon_method,"ppm")) then
if(evolve_mhd.ne.0) then
call GRHydro_PPMMReconstruct_drv(CCTK_PASS_FTOF)
else
call GRHydro_PPMReconstruct_drv(CCTK_PASS_FTOF)
end if
else if (CCTK_EQUALS(recon_method,"eno")) then
! this handles MHD and non-MHD
call GRHydro_ENOReconstruct_drv(CCTK_PASS_FTOF)
else if (CCTK_EQUALS(recon_method,"weno")) then
! this handles MHD and non-MHD
call GRHydro_WENOReconstruct_drv(CCTK_PASS_FTOF)
else if (CCTK_EQUALS(recon_method,"mp5")) then
! this handles MHD and non-MHD
call GRHydro_MP5Reconstruct_drv(CCTK_PASS_FTOF)
else
call CCTK_WARN(0, "Reconstruction method not recognized!")
end if
if (evolve_tracer .ne. 0) then
if (use_min_tracer .ne. 0) then
local_min_tracer = min_tracer
else
local_min_tracer = 0.0d0
end if
end if
if (flux_direction == 1) then
call SpaceMask_GetTypeBits(type_bits, "Hydro_RiemannProblemX")
call SpaceMask_GetStateBits(not_trivial, "Hydro_RiemannProblemX", &
&"not_trivial")
else if (flux_direction == 2) then
call SpaceMask_GetTypeBits(type_bits, "Hydro_RiemannProblemY")
call SpaceMask_GetStateBits(not_trivial, "Hydro_RiemannProblemY", &
&"not_trivial")
else if (flux_direction == 3) then
call SpaceMask_GetTypeBits(type_bits, "Hydro_RiemannProblemZ")
call SpaceMask_GetStateBits(not_trivial, "Hydro_RiemannProblemZ", &
&"not_trivial")
else
call CCTK_WARN(0, "Flux direction not x,y,z")
end if
!$OMP PARALLEL DO PRIVATE(i,j,k, agxx, agxy, agxz, agyy, agyz, agzz, w, dummy1, dummy2)
do k = GRHydro_stencil, cctk_lsh(3) - GRHydro_stencil + 1
do j = GRHydro_stencil, cctk_lsh(2) - GRHydro_stencil + 1
do i = GRHydro_stencil, cctk_lsh(1) - GRHydro_stencil + 1
SET_ATMO_MIN(dummy2, GRHydro_rho_min, r(i,j,k))
if(rhoplus(i,j,k).lt.dummy2 .or. &
rhominus(i,j,k).lt.dummy2) then
!.or. epsplus(i,j,k) .lt. 0.0d0 .or. epsminus(i,j,k) .lt. 0.0d0) then
rhoplus(i,j,k) = rho(i,j,k)
rhominus(i,j,k) = rho(i,j,k)
epsplus(i,j,k) = eps(i,j,k)
epsminus(i,j,k) = eps(i,j,k)
if (reconstruct_Wv.ne.0) then
! divide out the Loretnz factor for both the
! plus and minus quantities this should by construction ensure
! that any Lorentz factor calculated from them later on is
! physical (ie. > 1.d0)
velxplus(i,j,k) = w_lorentz(i,j,k)*vup(i,j,k,1)
velyplus(i,j,k) = w_lorentz(i,j,k)*vup(i,j,k,2)
velzplus(i,j,k) = w_lorentz(i,j,k)*vup(i,j,k,3)
agxx = 0.5d0 * (g11(i,j,k) + g11(i+xoffset,j+yoffset,k+zoffset))
agxy = 0.5d0 * (g12(i,j,k) + g12(i+xoffset,j+yoffset,k+zoffset))
agxz = 0.5d0 * (g13(i,j,k) + g13(i+xoffset,j+yoffset,k+zoffset))
agyy = 0.5d0 * (g22(i,j,k) + g22(i+xoffset,j+yoffset,k+zoffset))
agyz = 0.5d0 * (g23(i,j,k) + g23(i+xoffset,j+yoffset,k+zoffset))
agzz = 0.5d0 * (g33(i,j,k) + g33(i+xoffset,j+yoffset,k+zoffset))
w = sqrt( 1.d0 + agxx*velxplus(i,j,k)*velxplus(i,j,k) &
+ agyy*velyplus(i,j,k)*velyplus(i,j,k) &
+ agzz*velzplus(i,j,k)*velzplus(i,j,k) &
+ 2.d0*agxy*velxplus(i,j,k)*velyplus(i,j,k) &
+ 2.d0*agxz*velxplus(i,j,k)*velzplus(i,j,k) &
+ 2.d0*agyz*velyplus(i,j,k)*velzplus(i,j,k) )
velxplus(i,j,k) = velxplus(i,j,k)/w
velyplus(i,j,k) = velyplus(i,j,k)/w
velzplus(i,j,k) = velzplus(i,j,k)/w
velxminus(i,j,k) = w_lorentz(i,j,k)*vup(i,j,k,1)
velyminus(i,j,k) = w_lorentz(i,j,k)*vup(i,j,k,2)
velzminus(i,j,k) = w_lorentz(i,j,k)*vup(i,j,k,3)
agxx = 0.5d0 * (g11(i,j,k) + g11(i-xoffset,j-yoffset,k-zoffset))
agxy = 0.5d0 * (g12(i,j,k) + g12(i-xoffset,j-yoffset,k-zoffset))
agxz = 0.5d0 * (g13(i,j,k) + g13(i-xoffset,j-yoffset,k-zoffset))
agyy = 0.5d0 * (g22(i,j,k) + g22(i-xoffset,j-yoffset,k-zoffset))
agyz = 0.5d0 * (g23(i,j,k) + g23(i-xoffset,j-yoffset,k-zoffset))
agzz = 0.5d0 * (g33(i,j,k) + g33(i-xoffset,j-yoffset,k-zoffset))
w = sqrt( 1.d0 + agxx*velxminus(i,j,k)*velxminus(i,j,k) &
+ agyy*velyminus(i,j,k)*velyminus(i,j,k) &
+ agzz*velzminus(i,j,k)*velzminus(i,j,k) &
+ 2.d0*agxy*velxminus(i,j,k)*velyminus(i,j,k) &
+ 2.d0*agxz*velxminus(i,j,k)*velzminus(i,j,k) &
+ 2.d0*agyz*velyminus(i,j,k)*velzminus(i,j,k) )
velxminus(i,j,k) = velxminus(i,j,k)/w
velyminus(i,j,k) = velyminus(i,j,k)/w
velzminus(i,j,k) = velzminus(i,j,k)/w
else
! This is the standard way of doing it
velxplus(i,j,k) = vup(i,j,k,1)
velyplus(i,j,k) = vup(i,j,k,2)
velzplus(i,j,k) = vup(i,j,k,3)
velxminus(i,j,k) = vup(i,j,k,1)
velyminus(i,j,k) = vup(i,j,k,2)
velzminus(i,j,k) = vup(i,j,k,3)
endif
if(evolve_y_e.ne.0) then
y_e_plus(i,j,k) = y_e(i,j,k)
y_e_minus(i,j,k) = y_e(i,j,k)
endif
if(evolve_tracer.ne.0) then
where(tracerplus(i,j,k,:).le.local_min_tracer .or. &
tracerminus(i,j,k,:).le.local_min_tracer)
tracerplus(i,j,k,:) = tracer(i,j,k,:)
tracerminus(i,j,k,:) = tracer(i,j,k,:)
end where
end if
end if
! Check if epsilon became negative for ideal gas EOS.
if (evolve_temper.eq.0) then
if (epsplus(i,j,k) .lt. 0.0d0) then
epsplus(i,j,k) = eps(i,j,k)
endif
if (epsminus(i,j,k) .lt. 0.0d0) then
epsminus(i,j,k) = eps(i,j,k)
endif
endif
! Riemann problem might not be trivial anymore!!!!
SpaceMask_SetStateBitsF90(space_mask, i-xoffset, j-yoffset, k-zoffset, type_bits, not_trivial)
SpaceMask_SetStateBitsF90(space_mask, i, j, k, type_bits, not_trivial)
enddo
enddo
enddo
!$OMP END PARALLEL DO
if (CCTK_EQUALS(recon_vars,"primitive").or.&
CCTK_EQUALS(recon_method,"ppm")) then
if(evolve_mhd.ne.0) then
call primitive2conservativeM(CCTK_PASS_FTOF)
else
call primitive2conservative(CCTK_PASS_FTOF)
endif
else if (CCTK_EQUALS(recon_vars,"conservative")) then
if(evolve_mhd.ne.0) then
call Conservative2PrimitiveBoundsM(CCTK_PASS_FTOF)
else
call Conservative2PrimitiveBounds(CCTK_PASS_FTOF)
endif
else
call CCTK_WARN(0,"Variable type to reconstruct not recognized.")
end if
return
end subroutine Reconstruction
|
