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Simulation_initBlock.F90
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Simulation_initBlock.F90
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!!****if* source/Simulation/SimulationMain/MultiTidalPoly/Simulation_initBlock
!!
!! NAME
!!
!! Simulation_initBlock
!!
!!
!! SYNOPSIS
!!
!! Simulation_initBlock(integer :: blockId,
!! integer :: myPE)
!!
!!
!! DESCRIPTION
!!
!! Initializes fluid data (density, pressure, velocity, etc.) for
!! a specified block. This version sets up MultiTidalPoly.
!!
!! ARGUMENTS
!!
!! blockId - The number of the block to initialize
!! myPE - current processor number
!!
!!
!!***
subroutine Simulation_initBlock (blockId, myPE)
use Simulation_data
use Grid_interface, ONLY : Grid_getBlkIndexLimits, Grid_getBlkPtr, Grid_releaseBlkPtr,&
Grid_getCellCoords, Grid_putPointData, Grid_fillGuardCells, Grid_getDeltas
use PhysicalConstants_interface, ONLY: PhysicalConstants_get
use RuntimeParameters_interface, ONLY : RuntimeParameters_get
implicit none
#include "constants.h"
#include "Flash.h"
#include "Multispecies.h"
#ifdef LOADPROFILE
#include "Starprof.h"
#endif
integer,intent(IN) :: blockId
integer,intent(IN) :: myPE
integer :: i, j, k, jLo, jHi, boxi, boxj, boxk
integer :: ii, jj, kk, put
real :: distInv, xDist, yDist, zDist, &
bhxDist, bhyDist, bhzDist, bhDist
real :: xx, dxx, yy, dyy, zz, dzz, frac, softening_radius
real :: x1,x2,x3,cos_ang,sin_ang,lambda,radius,rot
real :: dx, dy, dz
real :: vx, vy, vz, p, rho, e, ek, t, mp, kb, newton
real :: dist, gam, rho0, T0, rsc, rho0in, T0in, distxy
real :: axx, ayy, azz
integer :: istat
real, allocatable,dimension(:) :: xCoord,xCoordL,xCoordR,&
yCoord,yCoordL,yCoordR,&
zCoord,zCoordL,zCoordR
integer,dimension(2,MDIM) :: blkLimits,blkLimitsGC
character(4), save :: unitSystem
integer :: sizeX,sizeY,sizeZ
integer,dimension(MDIM) :: axis
real, dimension(MDIM) :: del
#ifdef FL_NON_PERMANENT_GUARDCELLS
real, pointer, dimension(:,:,:,:) :: solnData
#endif
#ifdef MAGX_VAR
real, pointer, dimension(:,:,:,:) :: facexData,faceyData,facezData
real :: magx, magy, magz, magp, divb
#ifdef FIXEDBLOCKSIZE
real, dimension(GRID_IHI_GC+1,GRID_JHI_GC+1,GRID_KHI_GC+1) :: Az,Ax,Ay
#else
real, allocatable, dimension(:,:,:) :: Az,Ax,Ay
#endif
#endif
logical :: gcell = .true., within_radius
#ifdef LOADPROFILE
real, dimension(sim_tableCols) :: sumVars
real, dimension(SPECIES_BEGIN:SPECIES_END) :: xn = 0.0
#else
real, dimension(2) :: sumVars
#endif
call PhysicalConstants_get("proton mass", mp)
call PhysicalConstants_get("Boltzmann", kb)
call PhysicalConstants_get("Newton", newton)
call RuntimeParameters_get("sink_softening_radius", softening_radius)
call RuntimeParameters_get("UnitSystem", unitSystem)
! Anninos 2012
if (sim_useRadialProfile) then
rsc = 1.2d16
rho0 = 1.3d-21*sim_xRayFraction
T0 = 0.4d0*obj_mu*newton*sim_ptMass*mp/kb/rsc
rho0in = rho0*(softening_radius/rsc)**(-1.5d0)
T0in = 0.5d0*T0*(softening_radius/rsc)**(-1.d0)
else
rsc = 1.d0
rho0 = 0.d0
T0 = 0.d0
rho0in = 0.d0
T0in = 0.d0
endif
!do i = 1, np
! print *, obj_radius(i), obj_rhop(i), eint(i)
!enddo
call Grid_getBlkIndexLimits(blockId,blkLimits,blkLimitsGC)
sizeX = blkLimitsGC(HIGH,IAXIS)-blkLimitsGC(LOW,IAXIS)+1
sizeY = blkLimitsGC(HIGH,JAXIS)-blkLimitsGC(LOW,JAXIS)+1
sizeZ = blkLimitsGC(HIGH,KAXIS)-blkLimitsGC(LOW,KAXIS)+1
allocate(xCoord(sizeX), stat=istat)
allocate(xCoordL(sizeX),stat=istat)
allocate(xCoordR(sizeX),stat=istat)
allocate(yCoord(sizeY), stat=istat)
allocate(yCoordL(sizeY),stat=istat)
allocate(yCoordR(sizeY),stat=istat)
allocate(zCoord(sizeZ), stat=istat)
allocate(zCoordL(sizeZ),stat=istat)
allocate(zCoordR(sizeZ),stat=istat)
xCoord = 0.0
xCoordL = 0.0
xCoordR = 0.0
yCoord = 0.0
yCoordL = 0.0
yCoordR = 0.0
zCoord = 0.0
zCoordL = 0.0
zCoordR = 0.0
#ifdef MAGX_VAR
#ifndef FIXEDBLOCKSIZE
if (NDIM == 2) then
allocate(Ax(sizeX+1,sizeY+1,1),stat=istat)
allocate(Ay(sizeX+1,sizeY+1,1),stat=istat)
allocate(Az(sizeX+1,sizeY+1,1),stat=istat)
elseif (NDIM == 3) then
allocate(Ax(sizeX+1,sizeY+1,sizeZ+1),stat=istat)
allocate(Ay(sizeX+1,sizeY+1,sizeZ+1),stat=istat)
allocate(Az(sizeX+1,sizeY+1,sizeZ+1),stat=istat)
endif
#endif
Ax = 0.
Ay = 0.
Az = 0.
#endif
if (NDIM == 3) then
call Grid_getCellCoords(KAXIS,blockId,CENTER, sim_gCell,zCoord, sizeZ)
call Grid_getCellCoords(KAXIS,blockId,LEFT_EDGE, sim_gCell,zCoordL,sizeZ)
call Grid_getCellCoords(KAXIS,blockId,RIGHT_EDGE,sim_gCell,zCoordR,sizeZ)
endif
if (NDIM >= 2) then
call Grid_getCellCoords(JAXIS,blockId,CENTER, sim_gCell,yCoord, sizeY)
call Grid_getCellCoords(JAXIS,blockId,LEFT_EDGE, sim_gCell,yCoordL,sizeY)
call Grid_getCellCoords(JAXIS,blockId,RIGHT_EDGE,sim_gCell,yCoordR,sizeY)
endif
call Grid_getCellCoords(IAXIS,blockId,CENTER, sim_gCell,xCoord, sizeX)
call Grid_getCellCoords(IAXIS,blockId,LEFT_EDGE, sim_gCell,xCoordL,sizeX)
call Grid_getCellCoords(IAXIS,blockId,RIGHT_EDGE,sim_gCell,xCoordR,sizeX)
!
! For each cell
!
#ifdef FL_NON_PERMANENT_GUARDCELLS
call Grid_getBlkPtr(blockId,solnData)
#endif
rot = atan(sim_rx/sim_ry)
cos_ang = cos(rot)
sin_ang = sin(rot)
if (cos_ang >= sin_ang) then
lambda = (sim_xMax-sim_xMin)*cos_ang
else
lambda = (sim_zMax-sim_zMin)*sin_ang
endif
call Grid_getDeltas(blockID,del)
dx = del(1)
dy = del(2)
dz = del(3)
do k = blkLimitsGC(LOW,KAXIS), blkLimitsGC(HIGH,KAXIS)
! Find a real difference between z's if problem is >= 3D
if (NDIM > 2) then
if (k .eq. 1) then
dzz = zCoord(2) - zCoord(1)
else
dzz = zCoord(k) - zCoord(k-1)
endif
! Otherwise this problem is <= 2D, so dzz is meaningless
else
dzz = 0.0
endif
zz = zCoord(k)
! Always use first ptvecs element as particle for determining radial
! profile (if enabled)
bhzDist = zCoord(k) - (sim_zCenter + ptvecs(1,3))
do j = blkLimitsGC(LOW, JAXIS), blkLimitsGC(HIGH, JAXIS)
! Find a real difference between y's if problem is >= 2D
if (NDIM > 1) then
if (j .eq. 1) then
dyy = yCoord(2) - yCoord(1)
else
dyy = yCoord(j) - yCoord(j-1)
endif
! Otherwise this problem is <= 1D, so dyy is meaningless
else
dyy = 0.0
endif
yy = yCoord(j)
bhyDist = yCoord(j) - (sim_yCenter + ptvecs(1,2))
do i = blkLimitsGC(LOW,IAXIS), blkLimitsGC(HIGH, IAXIS)
xx = xCoord(i)
if (i .eq. 1) then
dxx = xCoord(2) - xCoord(1)
else
dxx = xCoord(i) - xCoord(i-1)
endif
sumVars = 0.
#ifdef LOADPROFILE
xn = 0.
#endif
!
! Break the cell into sim_nSubZones^NDIM sub-zones, and look up the
! appropriate quantities along the 1d profile for that subzone.
!
! Have the final values for the zone be equal to the average of
! the subzone values.
!
within_radius = .false.
bhxDist = xCoord(i) - (sim_xCenter + ptvecs(1,1))
bhDist = dsqrt(bhxDist**2 + bhyDist**2 + bhzDist**2)
if (sim_kind .ne. 'cylinder' .and. sim_kind .ne. 'wind') then
do kk = 1, sim_nSubZones
zz = zCoord(k) + dzz*((2*kk - 1)*sim_inSubInv - 0.5)
zDist = zz - (sim_zCenter + stvec(3))
do jj = 1, sim_nSubZones
yy = yCoord(j) + dyy*((2*jj - 1)*sim_inSubInv - 0.5)
yDist = yy - (sim_yCenter + stvec(2))
do ii = 1, sim_nSubZones
xx = xCoord(i) + dxx*((2*ii - 1)*sim_inSubInv - 0.5)
xDist = xx - (sim_xCenter + stvec(1))
dist = dsqrt( xDist**2 + yDist**2 + zDist**2 )
distInv = 1. / max( dist, 1.d-10 )
!
! a point at `dist' is frac-way between jLo and jHi. We do a
! linear interpolation of the quantities at jLo and jHi and sum those.
!
#ifdef LOADPROFILE
call sim_find (sim_table(:,R_PROF), sim_tableRows, dist, jLo)
frac = 0.
if (jLo .eq. 0) then
jLo = 1
jHi = 1
else if (jLo .ge. sim_tableRows) then
jLo = sim_tableRows
jHi = sim_tableRows
else
jHi = jLo + 1
frac = (dist - sim_table(jLo,R_PROF)) / &
(sim_table(jHi,R_PROF)-sim_table(jLo,R_PROF))
endif
sumVars = sumVars + sim_table(jLo,:) + frac*(sim_table(jHi,:) - sim_table(jLo,:))
#else
call sim_find (obj_radius, obj_ipos, dist, jLo)
if (jLo .le. obj_ipos) then
within_radius = .true.
if (jLo .eq. 0) then
jLo = 1
jHi = 1
frac = 0.
else if (jLo .eq. obj_ipos) then
jLo = obj_ipos
jHi = obj_ipos
frac = 0.
else
jHi = jLo + 1
frac = (dist - obj_radius(jLo)) / &
(obj_radius(jHi)-obj_radius(jLo))
endif
sumVars(1) = sumVars(1) + &
obj_rhop(jLo) + frac*(obj_rhop(jHi) - obj_rhop(jLo))
sumVars(2) = sumVars(2) + &
obj_prss(jLo) + frac*(obj_prss(jHi) - obj_prss(jLo))
endif
#endif
enddo
enddo
enddo
endif
#ifdef LOADPROFILE
sumVars = sumVars*sim_inszd
xx = xCoord(i) - sim_xCenter
yy = yCoord(j) - sim_yCenter
zz = zCoord(k) - sim_zCenter
dist = sqrt(xx**2 + yy**2 + zz**2)
if (dist .le. sim_objRadius) then
sumVars(RHO_PROF) = max (sumVars(RHO_PROF), sim_rhoAmbient)
#ifdef H1_SPEC
xn(H1_SPEC) = sumVars(H1_PROF)
#endif
#ifdef HE3_SPEC
xn(HE3_SPEC) = sumVars(HE3_PROF)
#endif
#ifdef HE4_SPEC
xn(HE4_SPEC) = sumVars(HE4_PROF)
#endif
#ifdef LI7_SPEC
xn(LI7_SPEC) = sumVars(LI7_PROF)
#endif
#ifdef BE9_SPEC
xn(BE9_SPEC) = sumVars(BE9_PROF)
#endif
#ifdef C12_SPEC
xn(C12_SPEC) = sumVars(C12_PROF)
#endif
#ifdef C13_SPEC
xn(C13_SPEC) = sumVars(C13_PROF)
#endif
#ifdef N14_SPEC
xn(N14_SPEC) = sumVars(N14_PROF)
#endif
#ifdef N15_SPEC
xn(N15_SPEC) = sumVars(N15_PROF)
#endif
#ifdef O16_SPEC
xn(O16_SPEC) = sumVars(O16_PROF)
#endif
#ifdef O17_SPEC
xn(O17_SPEC) = sumVars(O17_PROF)
#endif
#ifdef O18_SPEC
xn(O18_SPEC) = sumVars(O18_PROF)
#endif
#ifdef F19_SPEC
xn(F19_SPEC) = sumVars(F19_PROF)
#endif
#ifdef NE20_SPEC
xn(NE20_SPEC) = sumVars(NE20_PROF)
#endif
#ifdef NE21_SPEC
xn(NE21_SPEC) = sumVars(NE21_PROF)
#endif
#ifdef NE22_SPEC
xn(NE22_SPEC) = sumVars(NE22_PROF)
#endif
#ifdef NA23_SPEC
xn(NA23_SPEC) = sumVars(NA23_PROF)
#endif
#ifdef MG24_SPEC
xn(MG24_SPEC) = sumVars(MG24_PROF)
#endif
#ifdef MG25_SPEC
xn(MG25_SPEC) = sumVars(MG25_PROF)
#endif
#ifdef MG26_SPEC
xn(MG26_SPEC) = sumVars(MG26_PROF)
#endif
#ifdef AL27_SPEC
xn(AL27_SPEC) = sumVars(AL27_PROF)
#endif
#ifdef SI28_SPEC
xn(SI28_SPEC) = sumVars(SI28_PROF)
#endif
#ifdef SI29_SPEC
xn(SI29_SPEC) = sumVars(SI29_PROF)
#endif
#ifdef SI30_SPEC
xn(SI30_SPEC) = sumVars(SI30_PROF)
#endif
#ifdef P31_SPEC
xn(P31_SPEC) = sumVars(P31_PROF)
#endif
#ifdef S32_SPEC
xn(S32_SPEC) = sumVars(S32_PROF)
#endif
#ifdef S33_SPEC
xn(S33_SPEC) = sumVars(S33_PROF)
#endif
#ifdef S34_SPEC
xn(S34_SPEC) = sumVars(S34_PROF)
#endif
xn = xn / sum(xn)
else
sumVars(RHO_PROF) = sim_rhoAmbient
sumVars(PRES_PROF) = sim_pAmbient
xn(H1_SPEC) = 1.0
endif
#else
vx = 0.0d0
vy = 0.0d0
vz = 0.0d0
if (within_radius) then
rho = max (sumVars(1)*sim_inszd, sim_rhoAmbient)
p = max (sumVars(2)*sim_inszd, sim_pAmbient)
t = p/(rho/mp/obj_mu*kb)
if (sim_fixedParticle .eq. 0 .or. sim_fixedParticle .eq. 1) then
vx = stvec(4)
vy = stvec(5)
vz = stvec(6)
endif
else
if (bhDist .le. softening_radius) then
rho = max (rho0in*(bhDist/softening_radius)**3.d0, sim_rhoAmbient)
t = max (T0in*(bhDist/softening_radius)**2.d0, sim_tAmbient)
else
rho = max (rho0*(bhDist/rsc)**(-1.5d0), sim_rhoAmbient)
t = max (T0*(bhDist/rsc)**(-1.d0), sim_tAmbient)
endif
! From Anninos 2012
!rho = max (1.3d-21*1.d-1*(bhDist/1.2d16)**(-1.125d0), sim_rhoAmbient)
!t = max (1.d8*(bhDist/1.2d16)**(-0.75d0), sim_tAmbient)
p = t*rho/mp/obj_mu*kb
if (sim_fixedParticle .eq. 2) then
vx = ptvecs(1,4)
vy = ptvecs(1,5)
vz = ptvecs(1,6)
endif
endif
ek = 0.5*(vx*vx + vy*vy + vz*vz)
!
! assume gamma-law equation of state
!
e = p/(obj_gamc-1.)
e = e/rho + ek
e = max (e, sim_smallP)
#endif
axis(IAXIS)=i
axis(JAXIS)=j
axis(KAXIS)=k
#ifdef FL_NON_PERMANENT_GUARDCELLS
#ifdef LOADPROFILE
do put=1,NSPECIES
if (xn(SPECIES_BEGIN+put-1) == 0.0) xn(SPECIES_BEGIN+put-1) = sim_smallX
solnData(SPECIES_BEGIN+put-1,i,j,k)=xn(SPECIES_BEGIN+put-1)
enddo
solnData(DENS_VAR,i,j,k)=sumVars(RHO_PROF)
solnData(TEMP_VAR,i,j,k)=sumVars(TEMP_PROF)
solnData(PRES_VAR,i,j,k)=sumVars(PRES_PROF)
#else
solnData(DENS_VAR,i,j,k)=rho
solnData(PRES_VAR,i,j,k)=p
solnData(ENER_VAR,i,j,k)=e
solnData(TEMP_VAR,i,k,k)=t
solnData(GAME_VAR,i,j,k)=obj_gamc
solnData(GAMC_VAR,i,j,k)=obj_gamc
! Need to add species setting for non-permanent guard cells...
#endif
solnData(VELX_VAR,i,j,k)=vx
solnData(VELY_VAR,i,j,k)=vy
solnData(VELZ_VAR,i,j,k)=vz
#else
#ifdef LOADPROFILE
call Grid_putPointData(blockId, CENTER, DENS_VAR, EXTERIOR, axis, sumVars(RHO_PROF))
call Grid_putPointData(blockId, CENTER, TEMP_VAR, EXTERIOR, axis, sumVars(TEMP_PROF))
call Grid_putPointData(blockId, CENTER, PRES_VAR, EXTERIOR, axis, sumVars(PRES_PROF))
do put=1,NSPECIES
if (xn(SPECIES_BEGIN+put-1) == 0.0) xn(SPECIES_BEGIN+put-1) = sim_smallX
call Grid_putPointData(blockID,CENTER,SPECIES_BEGIN+put-1,&
EXTERIOR,axis,xn(SPECIES_BEGIN+put-1))
enddo
#else
call Grid_putPointData(blockId, CENTER, DENS_VAR, EXTERIOR, axis, rho)
call Grid_putPointData(blockId, CENTER, PRES_VAR, EXTERIOR, axis, p)
call Grid_putPointData(blockId, CENTER, ENER_VAR, EXTERIOR, axis, e)
call Grid_putPointData(blockId, CENTER, TEMP_VAR, EXTERIOR, axis, t)
do put=SPECIES_BEGIN,SPECIES_END
if (obj_xn(put) == 0.0) obj_xn(put) = sim_smallX
call Grid_putPointData(blockID,CENTER,put,&
EXTERIOR,axis,obj_xn(put))
enddo
call Grid_putPointData(blockId, CENTER, GAME_VAR, EXTERIOR, axis, obj_gamc)
call Grid_putPointData(blockId, CENTER, GAMC_VAR, EXTERIOR, axis, obj_gamc)
#endif
call Grid_putPointData(blockId, CENTER, VELX_VAR, EXTERIOR, axis, vx)
call Grid_putPointData(blockId, CENTER, VELY_VAR, EXTERIOR, axis, vy)
call Grid_putPointData(blockId, CENTER, VELZ_VAR, EXTERIOR, axis, vz)
#endif
! JFG --- Now initialize the magnetic fields, based on magnetoHD setup
!------------------------------------------------------------------------------
! Construct Az at each cell corner
! Bx = dAz/dy - dAy/dz
! By = dAx/dz - dAz/dx
! Bz = dAy/dx - dAx/dy
#ifdef MAGX_VAR
#if NFACE_VARS > 0
! x Coord at cell corner
if (i <=blkLimitsGC(HIGH,IAXIS)) then
axx = xCoordL(i)
else
axx = xCoordR(i-1)
endif
! y Coord at cell corner
if (j <=blkLimitsGC(HIGH,JAXIS)) then
ayy = yCoordL(j)
else
ayy = yCoordR(j-1)
endif
! z Coord at cell corner
if (k <=blkLimitsGC(HIGH,KAXIS)) then
azz = zCoordL(k)
else
azz = zCoordR(k-1)
endif
#else
! x Coord at cell center
if (i <=blkLimitsGC(HIGH,IAXIS)) then
axx = xCoord(i)
else
axx = xCoord(i-1) + dx
endif
! y Coord at cell center
if (j <=blkLimitsGC(HIGH,JAXIS)) then
ayy = yCoord(j)
else
ayy = yCoord(j-1) + dy
endif
! z Coord at cell center
if (k <=blkLimitsGC(HIGH,KAXIS)) then
azz = zCoord(k)
else
azz = zCoord(k-1) + dz
endif
#endif
! define radius of the field loop
radius = sqrt((axx-sim_xCenter)**2 + (ayy-sim_yCenter)**2 + (azz-sim_zCenter)**2)
distxy = sqrt((axx-sim_xCenter)**2 + (ayy-sim_yCenter)**2)
boxi = nint((axx - sim_xCenter)/dx) + sim_specN/2
boxj = nint((ayy - sim_yCenter)/dy) + sim_specN/2
boxk = nint((azz - sim_zCenter)/dz) + sim_specN/2
if (radius < obj_radius(obj_ipos) - dx) then
if (sim_fieldGeometry .eq. 'random') then
Ax(i,j,k) = sqrt(8.*PI*p*sim_Az_initial)*dx*magsspec(boxi,boxj,boxk,1)
Ay(i,j,k) = sqrt(8.*PI*p*sim_Az_initial)*dy*magsspec(boxi,boxj,boxk,2)
Az(i,j,k) = sqrt(8.*PI*p*sim_Az_initial)*dz*magsspec(boxi,boxj,boxk,3)
elseif (sim_fieldGeometry .eq. 'dipole') then
Ax(i,j,k) = -sqrt(8.*PI*p*sim_Az_initial)*(ayy-sim_yCenter)
Ay(i,j,k) = sqrt(8.*PI*p*sim_Az_initial)*(axx-sim_xCenter)
Az(i,j,k) = 0.d0
else
call Driver_abortFlash('Error: Invalid sim_fieldGeometry selected.')
endif
else
Ax(i,j,k) = 0.
Ay(i,j,k) = 0.
Az(i,j,k) = 0.
endif
#endif !MAGX_VAR
enddo
enddo
enddo
#ifdef MAGX_VAR
#if NFACE_VARS > 0
if (sim_killdivb) then
call Grid_getBlkPtr(blockID,facexData,FACEX)
call Grid_getBlkPtr(blockID,faceyData,FACEY)
if (NDIM == 3) call Grid_getBlkPtr(blockID,facezData,FACEZ)
endif
#endif
do k = blkLimitsGC(LOW,KAXIS),blkLimitsGC(HIGH,KAXIS)
do j = blkLimitsGC(LOW,JAXIS),blkLimitsGC(HIGH,JAXIS)
do i = blkLimitsGC(LOW,IAXIS),blkLimitsGC(HIGH,IAXIS)
#if NFACE_VARS > 0
!! In this case we initialized Az using the cell-cornered coordinates.
if (sim_killdivb) then
if (NDIM == 2) then
facexData(MAG_FACE_VAR,i,j,k)= (Az(i,j+1,k)-Az(i,j,k))/dy
faceyData(MAG_FACE_VAR,i,j,k)=-(Az(i+1,j,k)-Az(i,j,k))/dx
elseif (NDIM == 3) then
facexData(MAG_FACE_VAR,i,j,k)= -(Ay(i,j,k+1)-Ay(i,j,k))/dz + (Az(i,j+1,k)-Az(i,j,k))/dy
faceyData(MAG_FACE_VAR,i,j,k)= (Ax(i,j,k+1)-Ax(i,j,k))/dz - (Az(i+1,j,k)-Az(i,j,k))/dx
facezData(MAG_FACE_VAR,i,j,k)= -(Ax(i,j+1,k)-Ax(i,j,k))/dy + (Ay(i+1,j,k)-Ay(i,j,k))/dx
endif
endif
#else
!! In this case we initialized Az using the cell-centered coordinates.
if (NDIM == 2) then
magx = 0.5*(Az(i,j+1,k)-Az(i,j-1,k))/dy
magy =-0.5*(Az(i+1,j,k)-Az(i-1,j,k))/dx
elseif (NDIM == 3) then
magx = -0.5*((Ay(i,j,k+1)-Ay(i,j,k-1))/dz + (Az(i,j+1,k)-Az(i,j-1,k))/dy)
magy = 0.5*((Ax(i,j,k+1)-Ax(i,j,k-1))/dz - (Az(i+1,j,k)-Az(i-1,j,k))/dx)
magz = -0.5*((Ax(i,j+1,k)-Ax(i,j-1,k))/dy + (Ay(i+1,j,k)-Ay(i-1,j,k))/dx)
endif
if (unitSystem .eq. 'cgs') then
magp = .5/(4.*PI)*dot_product((/ magx, magy, magz /),&
(/ magx, magy, magz /))
else
magp = .5*dot_product((/ magx, magy, magz /),&
(/ magx, magy, magz /))
endif
divb = 0.
#ifdef FL_NON_PERMANENT_GUARDCELLS
solnData(MAGX_VAR,i,j,k) = magx
solnData(MAGY_VAR,i,j,k) = magy
solnData(MAGZ_VAR,i,j,k) = magz
solnData(MAGP_VAR,i,j,k) = magp
solnData(DIVB_VAR,i,j,k) = divb
#else
axis(IAXIS)=i
axis(JAXIS)=j
axis(KAXIS)=k
call Grid_putPointData(blockId, CENTER, MAGX_VAR, EXTERIOR, axis, magx)
call Grid_putPointData(blockId, CENTER, MAGY_VAR, EXTERIOR, axis, magy)
call Grid_putPointData(blockId, CENTER, MAGZ_VAR, EXTERIOR, axis, magz)
call Grid_putPointData(blockId, CENTER, MAGP_VAR, EXTERIOR, axis, magp)
call Grid_putPointData(blockId, CENTER, DIVB_VAR, EXTERIOR, axis, divb)
#endif
#endif
enddo
enddo
enddo
#if NFACE_VARS > 0
do k=blkLimits(LOW,KAXIS),blkLimits(HIGH,KAXIS)
do j = blkLimits(LOW,JAXIS),blkLimits(HIGH,JAXIS)
do i = blkLimits(LOW,IAXIS),blkLimits(HIGH,IAXIS)
magx = 0.5*(facexData(MAG_FACE_VAR,i,j,k)+facexData(MAG_FACE_VAR,i+1,j,k))
magy = 0.5*(faceyData(MAG_FACE_VAR,i,j,k)+faceyData(MAG_FACE_VAR,i,j+1,k))
if (NDIM == 3) then
magz = 0.5*(facezData(MAG_FACE_VAR,i,j,k)+facezData(MAG_FACE_VAR,i,j,k+1))
endif
#if NDIM == 1
divb = 0.
#elif NDIM >= 2
divb = &
(facexData(MAG_FACE_VAR,i+1,j, k ) - facexData(MAG_FACE_VAR,i,j,k))/dx &
+ (faceyData(MAG_FACE_VAR,i, j+1,k ) - faceyData(MAG_FACE_VAR,i,j,k))/dy
#if NDIM == 3
divb = divb + (facezData(MAG_FACE_VAR,i, j, k+1) - facezData(MAG_FACE_VAR,i,j,k))/dz
#endif
#endif
! Update the magnetic pressure
if (unitSystem .eq. 'cgs') then
magp = .5/(4.*PI)*dot_product((/ magx, magy, magz /),&
(/ magx, magy, magz /))
else
magp = .5*dot_product((/ magx, magy, magz /),&
(/ magx, magy, magz /))
endif
#ifdef FL_NON_PERMANENT_GUARDCELLS
solnData(MAGX_VAR,i,j,k) = magx
solnData(MAGY_VAR,i,j,k) = magy
solnData(MAGZ_VAR,i,j,k) = magz
solnData(MAGP_VAR,i,j,k) = magp
solnData(DIVB_VAR,i,j,k) = divb
#else
axis(IAXIS)=i
axis(JAXIS)=j
axis(KAXIS)=k
call Grid_putPointData(blockId, CENTER, MAGX_VAR, EXTERIOR, axis, magx)
call Grid_putPointData(blockId, CENTER, MAGY_VAR, EXTERIOR, axis, magy)
call Grid_putPointData(blockId, CENTER, MAGZ_VAR, EXTERIOR, axis, magz)
call Grid_putPointData(blockId, CENTER, MAGP_VAR, EXTERIOR, axis, magp)
call Grid_putPointData(blockId, CENTER, DIVB_VAR, EXTERIOR, axis, divb)
#endif
enddo
enddo
enddo
#endif !NFACE_VARS
#if NFACE_VARS > 0
if (sim_killdivb) then
call Grid_releaseBlkPtr(blockID,facexData,FACEX)
call Grid_releaseBlkPtr(blockID,faceyData,FACEY)
if (NDIM == 3) call Grid_releaseBlkPtr(blockID,facezData,FACEZ)
endif
#endif
#ifndef FIXEDBLOCKSIZE
deallocate(Az)
deallocate(Ax)
deallocate(Ay)
#endif
#endif !MAGX_VAR
#ifdef FL_NON_PERMANENT_GUARDCELLS
call Grid_releaseBlkPtr(blockID, solnData)
#endif
deallocate(xCoord)
deallocate(xCoordL)
deallocate(xCoordR)
deallocate(yCoord)
deallocate(yCoordL)
deallocate(yCoordR)
deallocate(zCoord)
deallocate(zCoordL)
deallocate(zCoordR)
return
end subroutine Simulation_initBlock
!******************************************************************************
! Routine: sim_find()
! Description: Given a monotonically increasing table x(nn) and a test value
! x0, return the index i of the largest table value less than
! or equal to x0 (or 0 if x0 < x(1)). Use binary search.
subroutine sim_find (x, nn, x0, i)
implicit none
! Arguments, LBR guessed intent on these
integer, intent(IN) :: nn
integer, intent(OUT):: i
real, intent(IN) :: x(nn), x0
! local variables
integer il, ir, im
if (x0 .lt. x(1)) then
i = 0
elseif (x0 .gt. x(nn)) then
i = nn+1
else
il = 1
ir = nn
10 if (ir .eq. il+1) goto 20
im = (il + ir) / 2
if (x(im) .gt. x0) then
ir = im
else
il = im
endif
goto 10
20 i = il
endif
return
end subroutine sim_find