diff options
| author | rhaas <rhaas@c83d129a-5a75-4d5a-9c4d-ed3a5855bf45> | 2012-11-09 01:53:21 +0000 |
|---|---|---|
| committer | rhaas <rhaas@c83d129a-5a75-4d5a-9c4d-ed3a5855bf45> | 2012-11-09 01:53:21 +0000 |
| commit | 6bc08c0df8ef1a1f94b039845dfb1841388715fd (patch) | |
| tree | 2106a255ea140dc9191c404d31a0c821eb78ab91 /src | |
| parent | 8f20160a840373295253d3b1a39d4fd91e78156d (diff) | |
GRHydro: Check if 3-metric is definite positive before con2prim inversion.
Only do this deep inside the horizon.
Reset it to conformally flat if it isn't.
From: Bruno Coutinho Mundim <bcmsma@astro.rit.edu>
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@438 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
Diffstat (limited to 'src')
| -rw-r--r-- | src/GRHydro_Con2PrimM.F90 | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/src/GRHydro_Con2PrimM.F90 b/src/GRHydro_Con2PrimM.F90 index 244c82e..caee604 100644 --- a/src/GRHydro_Con2PrimM.F90 +++ b/src/GRHydro_Con2PrimM.F90 @@ -76,6 +76,11 @@ subroutine Conservative2PrimitiveM(CCTK_ARGUMENTS) CCTK_REAL, DIMENSION(:,:,:), POINTER :: g11, g12, g13, g22, g23, g33 CCTK_REAL, DIMENSION(:,:,:,:), POINTER :: vup, Bprim + logical :: posdef + + CCTK_REAL :: g11c, g12c, g13c, g22c, g23c, g33c + CCTK_REAL :: tmp1 + if (GRHydro_UseGeneralCoordinates(cctkGH).ne.0) then g11 => gaa g12 => gab @@ -139,7 +144,8 @@ subroutine Conservative2PrimitiveM(CCTK_ARGUMENTS) !$OMP PARALLEL DO PRIVATE(i,j,k,itracer,& !$OMP uxx, uxy, uxz, uyy, uyz, uzz, det, epsnegative, & - !$OMP b2,xrho,xeps,xpress,xtemp,local_K,local_pgam,sc,keyerr,anyerr,keytemp,local_perc_ptol) + !$OMP b2,xrho,xeps,xpress,xtemp,local_K,local_pgam,sc,keyerr,anyerr,keytemp, & + !$OMP local_perc_ptol,posdef,g11c,g12c,g13c,g22c,g23c,g33c,tmp1) do k = 1, nz do j = 1, ny do i = 1, nx @@ -151,6 +157,7 @@ subroutine Conservative2PrimitiveM(CCTK_ARGUMENTS) epsnegative = 0 det = SPATIAL_DETERMINANT(g11(i,j,k),g12(i,j,k),g13(i,j,k),g22(i,j,k),g23(i,j,k),g33(i,j,k)) + call UpperMetric(uxx,uxy,uxz,uyy,uyz,uzz,det,& g11(i,j,k),g12(i,j,k),g13(i,j,k),g22(i,j,k),& g23(i,j,k),g33(i,j,k)) @@ -393,7 +400,19 @@ subroutine Conservative2PrimitiveM(CCTK_ARGUMENTS) tau(i,j,k) = sqrt(det) * (rho(i,j,k)*(1.0+eps(i,j,k)+b2/2.0)) - dens(i,j,k) end if - + +! ! Again, reset 3-metric only for con2prim inversion. Restoring +! ! the current values for the 3-metric: +! if(.not.posdef)then +! g11(i,j,k) = g11c +! g12(i,j,k) = g12c +! g13(i,j,k) = g13c +! g22(i,j,k) = g22c +! g23(i,j,k) = g23c +! g33(i,j,k) = g33c +! posdef = .true. +! endif +! end do end do end do |