| 1 | !!****if* source/physics/sourceTerms/Heat/HeatMain/Neutrino/Heat
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| 2 | !!
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| 3 | !! NAME
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| 4 | !!
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| 5 | !! Heat
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| 6 | !!
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| 7 | !!
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| 8 | !! SYNOPSIS
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| 9 | !!
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| 10 | !! call Heat (integer(IN) :: blockCount,
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| 11 | !! integer(IN) :: blockList(blockCount),
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| 12 | !! real(IN) :: dt,
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| 13 | !! real(IN) :: time)
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| 14 | !!
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| 15 | !!
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| 16 | !!
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| 17 | !! DESCRIPTION
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| 18 | !!
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| 19 | !! Calculates local heating and cooling due to neutrinos
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| 20 | !! according to the approach of Murphy & Burrows (2008, ApJ, 688, 1159).
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| 21 | !!
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| 22 | !! NOTES
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| 23 | !! The FLASH implementation of this method is described in
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| 24 | !! S.M. Couch (2013, ApJ, 765, 29). Citation of this latter
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| 25 | !! reference is appreciated if this unit is used in published work.
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| 26 | !!
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| 27 | !! ARGUMENTS
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| 28 | !!
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| 29 | !! blockCount : number of blocks to operate on
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| 30 | !! blockList : list of blocks to operate on
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| 31 | !! dt : current timestep
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| 32 | !! time : current time
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| 33 | !!
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| 34 | !!***
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| 35 | !
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| 36 | !==============================================================================
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| 37 | !
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| 38 | subroutine Heat(blockCount, blockList, dt, time)
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| 39 |
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| 40 | #include "Flash.h"
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| 41 | #include "constants.h"
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| 42 |
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| 43 | use Heat_data, ONLY : useHeat, ht_Lneut, ht_Tneut, ht_bounceTime, ht_postBounce, &
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| 44 | ht_useEntr
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| 45 | use Eos_interface, ONLY : Eos_wrapped, Eos_nucOneZone
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| 46 | use Grid_interface, ONLY : Grid_getBlkPtr, Grid_releaseBlkPtr, &
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| 47 | Grid_getBlkIndexLimits, Grid_getCellCoords
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| 48 | use Deleptonize_interface, ONLY : Deleptonize_getBounce
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| 49 |
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| 50 | implicit none
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| 51 |
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| 52 | integer,intent(IN) :: blockCount
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| 53 | integer,dimension(blockCount),intent(IN)::blockList
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| 54 | real,intent(IN) :: dt,time
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| 55 |
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| 56 | real, pointer, dimension(:,:,:,:) :: solnData
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| 57 | integer, dimension(LOW:HIGH,MDIM) :: blkLimits, blkLimitsGC
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| 58 |
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| 59 | integer :: blockID
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| 60 | integer :: i,j,k,n
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| 61 | integer,dimension(MDIM) :: dimSize
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| 62 | real,allocatable, dimension(:) :: xCenter, yCenter, zCenter
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| 63 | real :: xx, yy, zz
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| 64 | logical :: gcell = .true.
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| 65 | real :: radius, dEneut, ek, tauNu
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| 66 | real, parameter :: MeVtoK = 1.16045221d10
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| 67 |
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| 68 | real :: bounceTime, temp
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| 69 |
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| 70 | real :: xDens, xTemp, xEner, xEntr, xYe, outYe
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| 71 | real :: del_ye, del_entr
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| 72 | real :: abar, zbar, sumY, Ye0, Ye, dXneut, abarInv
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| 73 | real :: xPres, mu_nu, xCs2
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| 74 | real :: xXp, xXn, xXa, xXh,xdedt,xdpderho, tmp
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| 75 | logical :: threadBlockList
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| 76 | logical :: eosCall2
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| 77 |
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| 78 | #ifdef ST_THREAD_BLOCK_LIST
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| 79 | threadBlockList = .true.
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| 80 |
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| 81 | #ifdef ST_THREAD_WITHIN_BLOCK
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| 82 | call Driver_abortFlash("Cannot include both threading strategies")
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| 83 | #endif
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| 84 |
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| 85 | #else
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| 86 | threadBlockList = .false.
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| 87 | #endif
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| 88 |
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| 89 | if (.NOT. useHeat) return
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| 90 |
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| 91 | if (.NOT. ht_postBounce) &
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| 92 | call Deleptonize_getBounce(ht_postBounce, ht_bounceTime)
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| 93 |
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| 94 | if (.NOT. ht_postBounce) return
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| 95 |
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| 96 | !$omp parallel if(threadBlockList) &
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| 97 | !$omp default(none) &
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| 98 | !$omp private(n,blockID,k,j,i,solnData,dimSize,zCenter,yCenter, &
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| 99 | !$omp xCenter,radius,dEneut,ek,blkLimits,blkLimitsGC,tmp,xDens,xTemp, &
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| 100 | !$omp xYe,xEner,xPres,xEntr,xdedt,xdpderho,mu_nu,xXp,xXn,xXa,xXh,xCs2,temp) &
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| 101 | !$omp shared(blockCount,blockList,ht_Lneut,ht_Tneut,dt,ht_postBounce, &
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| 102 | !$omp gcell,eosCall2)
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| 103 |
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| 104 | !$omp do schedule(static)
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| 105 | do n = 1, blockCount
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| 106 | blockID = blockList(n)
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| 107 |
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| 108 | call Grid_getBlkIndexLimits(blockID,blkLimits,blkLimitsGC)
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| 109 | call Grid_getBlkPtr(blockID,solnData)
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| 110 | dimSize(:)=blkLimitsGC(HIGH,:)-blkLimitsGC(LOW,:)+1
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| 111 | if (NDIM > 2)then
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| 112 | allocate(zCenter(dimSize(KAXIS)))
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| 113 | call Grid_getCellCoords(KAXIS,blockID,&
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| 114 | CENTER,gcell,zCenter,dimSize(KAXIS))
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| 115 | end if
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| 116 | if (NDIM > 1)then
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| 117 | allocate(yCenter(dimSize(JAXIS)))
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| 118 | call Grid_getCellCoords(JAXIS,blockID,&
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| 119 | CENTER,gcell,yCenter,dimSize(JAXIS))
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| 120 | end if
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| 121 |
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| 122 | allocate(xCenter(dimSize(IAXIS)))
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| 123 | call Grid_getCellCoords(IAXIS,blockID,&
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| 124 | CENTER,gcell,xCenter,dimSize(IAXIS))
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| 125 |
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| 126 | #ifdef DELE_VAR
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| 127 | solnData(DELE_VAR,:,:,:) = 0.0
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| 128 | #endif
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| 129 |
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| 130 | do k = blkLimits(LOW,KAXIS), blkLimits(HIGH,KAXIS)
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| 131 | do j = blkLimits(LOW,JAXIS), blkLimits(HIGH,JAXIS)
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| 132 | do i = blkLimits(LOW,IAXIS), blkLimits(HIGH,IAXIS)
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| 133 |
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| 134 | dEneut = 0.
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| 135 |
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| 136 | xDens = solnData(DENS_VAR,i,j,k)
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| 137 | xTemp = solnData(TEMP_VAR,i,j,k)
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| 138 | xYe = solnData(YE_MSCALAR,i,j,k)
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| 139 | xEner = solnData(EINT_VAR,i,j,k)
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| 140 |
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| 141 | radius = (xCenter(i))**2
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| 142 | if (NDIM > 1) then
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| 143 | radius = radius + (yCenter(j))**2
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| 144 | endif
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| 145 | if (NDIM > 2) then
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| 146 | radius = radius + zCenter(k)**2
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| 147 | endif
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| 148 | radius = sqrt(radius)
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| 149 |
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| 150 | ! Calculate heating
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| 151 | dEneut = 1.544e20 * (ht_Lneut/1.e52) * (1.e7 / radius)**2 * (ht_Tneut / 4.)**2
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| 152 |
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| 153 | ! Now subtract cooling
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| 154 | dEneut = dEneut - 1.399e20 * (xTemp / (2.*MeVtoK))**6
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| 155 |
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| 156 | dEneut = dEneut * exp(-tauNu(xDens))
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| 157 |
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| 158 | ! Now call Eos to get Yp and Yn
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| 159 | call Eos_nucOneZone(xDens,xTemp,xYe,xEner,xPres,xEntr,&
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| 160 | tmp,tmp,tmp,tmp,tmp,tmp,xXp,16,MODE_DENS_TEMP)
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| 161 | call Eos_nucOneZone(xDens,xTemp,xYe,xEner,xPres,xEntr,&
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| 162 | tmp,tmp,tmp,tmp,tmp,tmp,xXn,15,MODE_DENS_TEMP)
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| 163 |
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| 164 | dEneut = dEneut * (xXp + xXn)
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| 165 |
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| 166 | solnData(EINT_VAR,i,j,k) = solnData(EINT_VAR,i,j,k) + dEneut*dt
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| 167 |
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| 168 | ek = 0.5e0*(solnData(VELX_VAR,i,j,k)**2 + &
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| 169 | solnData(VELY_VAR,i,j,k)**2 + &
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| 170 | solnData(VELZ_VAR,i,j,k)**2)
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| 171 |
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| 172 | solnData(ENER_VAR,i,j,k) = solnData(EINT_VAR,i,j,k) + ek
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| 173 |
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| 174 | ! Now store any auxilliary variables
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| 175 | #ifdef DELE_VAR
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| 176 | solnData(DELE_VAR,i,j,k) = dEneut
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| 177 | #endif
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| 178 | #ifdef TAUN_VAR
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| 179 | solnData(TAUN_VAR,i,j,k) = tauNu(xDens)
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| 180 | #endif
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| 181 | #ifdef YP_VAR
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| 182 | solnData(YP_VAR,i,j,k) = xXp
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| 183 | #endif
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| 184 | #ifdef YN_VAR
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| 185 | solnData(YN_VAR,i,j,k) = xXn
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| 186 | #endif
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| 187 | #ifdef YA_VAR
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| 188 | solnData(YA_VAR,i,j,k) = xXa
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| 189 | #endif
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| 190 | #ifdef YH_VAR
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| 191 | solnData(YH_VAR,i,j,k) = xXh
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| 192 | #endif
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| 193 | enddo
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| 194 | enddo
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| 195 | enddo
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| 196 |
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| 197 | call Grid_releaseBlkPtr(blockID,solndata)
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| 198 | call Eos_wrapped(MODE_DENS_EI,blkLimits,blockID)
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| 199 |
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| 200 | deallocate(xCenter)
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| 201 | if(NDIM>1)deallocate(yCenter)
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| 202 | if(NDIM>2)deallocate(zCenter)
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| 203 |
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| 204 | enddo
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| 205 | !$omp enddo
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| 206 | !$omp end parallel
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| 207 |
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| 208 | return
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| 209 | end subroutine Heat
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| 210 |
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| 211 |
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| 212 | function tauNu(dens)
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| 213 |
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| 214 | implicit none
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| 215 |
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| 216 | real, intent(IN) :: dens
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| 217 | real :: tauNu
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| 218 |
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| 219 | ! Other optical depth approximations may be used here.
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| 220 | tauNu = dens * 1.0e-11
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| 221 |
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| 222 | return
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| 223 | end function tauNu |
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