| 1 |
heimbach |
1.1 |
C $Header: /u/gcmpack/MITgcm_contrib/CS_ADJOINT_TESTS/diffuse/code/diffuse_theta.F,v 1.1 2004/07/07 03:12:36 cnh Exp $ |
| 2 |
|
|
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "PACKAGES_CONFIG.h" |
| 5 |
|
|
#include "CPP_OPTIONS.h" |
| 6 |
|
|
|
| 7 |
|
|
CBOP |
| 8 |
|
|
C !ROUTINE: DIFFUSE_THETA |
| 9 |
|
|
C !INTERFACE: |
| 10 |
|
|
SUBROUTINE DIFFUSE_THETA(myTime, myIter, myThid) |
| 11 |
|
|
|
| 12 |
|
|
C !USES: |
| 13 |
|
|
IMPLICIT NONE |
| 14 |
|
|
C == Global variables === |
| 15 |
|
|
#include "SIZE.h" |
| 16 |
|
|
#include "EEPARAMS.h" |
| 17 |
|
|
#include "PARAMS.h" |
| 18 |
|
|
#include "DYNVARS.h" |
| 19 |
|
|
#include "GRID.h" |
| 20 |
|
|
#include "GAD.h" |
| 21 |
|
|
|
| 22 |
|
|
C !INPUT/OUTPUT PARAMETERS: |
| 23 |
|
|
C == Routine arguments == |
| 24 |
|
|
C myTime - Current time in simulation |
| 25 |
|
|
C myIter - Current iteration number in simulation |
| 26 |
|
|
C myThid - Thread number for this instance of the routine. |
| 27 |
|
|
_RL myTime |
| 28 |
|
|
INTEGER myIter |
| 29 |
|
|
INTEGER myThid |
| 30 |
|
|
|
| 31 |
|
|
C !LOCAL VARIABLES: |
| 32 |
|
|
C == Local variables |
| 33 |
|
|
C xA, yA - Per block temporaries holding face areas |
| 34 |
|
|
C uTrans, vTrans - Per block temporaries holding flow |
| 35 |
|
|
C transport |
| 36 |
|
|
C o uTrans: Zonal transport |
| 37 |
|
|
C o vTrans: Meridional transport |
| 38 |
|
|
C maskUp o maskUp: land/water mask for W points |
| 39 |
|
|
C fVer o fVer: Vertical flux term - note fVer |
| 40 |
|
|
C is "pipelined" in the vertical |
| 41 |
|
|
C so we need an fVer for each |
| 42 |
|
|
C variable. |
| 43 |
|
|
C iMin, iMax - Ranges and sub-block indices on which calculations |
| 44 |
|
|
C jMin, jMax are applied. |
| 45 |
|
|
C bi, bj |
| 46 |
|
|
C k, kup, - Index for layer above and below. kup and kDown |
| 47 |
|
|
C kDown, km1 are switched with layer to be the appropriate |
| 48 |
|
|
C index into fVerTerm. |
| 49 |
|
|
_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 50 |
|
|
_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 51 |
|
|
_RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 52 |
|
|
_RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 53 |
|
|
_RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 54 |
|
|
_RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 55 |
|
|
_RL fVer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
| 56 |
|
|
INTEGER iMin, iMax |
| 57 |
|
|
INTEGER jMin, jMax |
| 58 |
|
|
INTEGER bi, bj |
| 59 |
|
|
INTEGER i, j |
| 60 |
|
|
INTEGER k, km1, kup, kDown |
| 61 |
|
|
|
| 62 |
|
|
_RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 63 |
|
|
_RL localT(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 64 |
|
|
_RL fZon (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 65 |
|
|
_RL fMer (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 66 |
|
|
CEOP |
| 67 |
|
|
|
| 68 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 69 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 70 |
|
|
DO j=1-OLy,sNy+OLy |
| 71 |
|
|
DO i=1-OLx,sNx+OLx |
| 72 |
|
|
xA(i,j) = 0. _d 0 |
| 73 |
|
|
yA(i,j) = 0. _d 0 |
| 74 |
|
|
uTrans(i,j) = 0. _d 0 |
| 75 |
|
|
vTrans(i,j) = 0. _d 0 |
| 76 |
|
|
rTrans (i,j) = 0. _d 0 |
| 77 |
|
|
fVer (i,j,1) = 0. _d 0 |
| 78 |
|
|
fVer (i,j,2) = 0. _d 0 |
| 79 |
|
|
ENDDO |
| 80 |
|
|
ENDDO |
| 81 |
|
|
|
| 82 |
|
|
DO k=1,Nr |
| 83 |
|
|
DO j=1-OLy,sNy+OLy |
| 84 |
|
|
DO i=1-OLx,sNx+OLx |
| 85 |
|
|
gT(i,j,k,bi,bj) = 0. _d 0 |
| 86 |
|
|
ENDDO |
| 87 |
|
|
ENDDO |
| 88 |
|
|
ENDDO |
| 89 |
|
|
|
| 90 |
|
|
DO k=Nr,1,-1 |
| 91 |
|
|
|
| 92 |
|
|
km1 = MAX(1,k-1) |
| 93 |
|
|
kup = 1+MOD(k+1,2) |
| 94 |
|
|
kDown= 1+MOD(k,2) |
| 95 |
|
|
|
| 96 |
|
|
iMin = 1-OLx |
| 97 |
|
|
iMax = sNx+OLx |
| 98 |
|
|
jMin = 1-OLy |
| 99 |
|
|
jMax = sNy+OLy |
| 100 |
|
|
C-- Get temporary terms used by tendency routines |
| 101 |
|
|
CALL CALC_COMMON_FACTORS ( |
| 102 |
|
|
I bi,bj,iMin,iMax,jMin,jMax,k, |
| 103 |
|
|
O xA,yA,uTrans,vTrans,rTrans,maskUp, |
| 104 |
|
|
I myThid) |
| 105 |
|
|
|
| 106 |
|
|
C-- Make local copy of tracer array |
| 107 |
|
|
DO j=1-OLy,sNy+OLy |
| 108 |
|
|
DO i=1-OLx,sNx+OLx |
| 109 |
|
|
localT(i,j) =theta(i,j,k,bi,bj) |
| 110 |
|
|
ENDDO |
| 111 |
|
|
ENDDO |
| 112 |
|
|
C-- Zero out work arrays |
| 113 |
|
|
DO j=1-OLy,sNy+OLy |
| 114 |
|
|
DO i=1-OLx,sNx+OLx |
| 115 |
|
|
fZon(i,j) = 0. _d 0 |
| 116 |
|
|
fMer(i,j) = 0. _d 0 |
| 117 |
|
|
df(i,j) = 0. _d 0 |
| 118 |
|
|
ENDDO |
| 119 |
|
|
ENDDO |
| 120 |
|
|
|
| 121 |
|
|
C-- Diffusive fluxes |
| 122 |
|
|
CALL GAD_DIFF_X(bi,bj,k,xA,diffKhT,localT,df,myThid) |
| 123 |
|
|
DO j=1-Oly,sNy+Oly |
| 124 |
|
|
DO i=1-Olx,sNx+Olx |
| 125 |
|
|
fZon(i,j) = fZon(i,j) + df(i,j) |
| 126 |
|
|
ENDDO |
| 127 |
|
|
ENDDO |
| 128 |
|
|
CALL GAD_DIFF_Y(bi,bj,k,yA,diffKhT,localT,df,myThid) |
| 129 |
|
|
DO j=1-Oly,sNy+Oly |
| 130 |
|
|
DO i=1-Olx,sNx+Olx |
| 131 |
|
|
fMer(i,j) = fMer(i,j) + df(i,j) |
| 132 |
|
|
ENDDO |
| 133 |
|
|
ENDDO |
| 134 |
|
|
|
| 135 |
|
|
C-- Divergence of fluxes |
| 136 |
|
|
DO j=1-Oly,sNy+Oly-1 |
| 137 |
|
|
DO i=1-Olx,sNx+Olx-1 |
| 138 |
|
|
gT(i,j,k,bi,bj)=gT(i,j,k,bi,bj) |
| 139 |
|
|
& -_recip_hFacC(i,j,k,bi,bj)*recip_drF(k)*recip_rA(i,j,bi,bj) |
| 140 |
|
|
& *( (fZon(i+1,j)-fZon(i,j)) |
| 141 |
|
|
& +(fMer(i,j+1)-fMer(i,j)) |
| 142 |
|
|
& +(fVer(i,j,kUp)-fVer(i,j,kDown))*rkFac |
| 143 |
|
|
& ) |
| 144 |
|
|
|
| 145 |
|
|
ENDDO |
| 146 |
|
|
ENDDO |
| 147 |
|
|
|
| 148 |
|
|
C-- Step field forward |
| 149 |
|
|
CALL ADAMS_BASHFORTH2( |
| 150 |
|
|
I bi, bj, K, |
| 151 |
|
|
U gT, gTnm1, |
| 152 |
|
|
I myIter, myThid ) |
| 153 |
|
|
CALL TIMESTEP_TRACER( |
| 154 |
|
|
I bi,bj,iMin,iMax,jMin,jMax,k,tempAdvScheme, |
| 155 |
|
|
I theta, gT, |
| 156 |
|
|
I myIter, myThid) |
| 157 |
|
|
|
| 158 |
|
|
ENDDO |
| 159 |
|
|
ENDDO |
| 160 |
|
|
ENDDO |
| 161 |
|
|
|
| 162 |
|
|
C-- Update halo regions |
| 163 |
|
|
_EXCH_XYZ_R8( gTNM1 , myThid ) |
| 164 |
|
|
_EXCH_XYZ_R8( gT , myThid ) |
| 165 |
|
|
|
| 166 |
|
|
C-- Cycle timestepping arrays |
| 167 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 168 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 169 |
|
|
DO k=1,Nr |
| 170 |
|
|
DO j=1-OLy,sNy+OLy |
| 171 |
|
|
DO i=1-OLx,sNx+OLx |
| 172 |
|
|
theta(i,j,k,bi,bj)=gT(i,j,k,bi,bj) |
| 173 |
|
|
ENDDO |
| 174 |
|
|
ENDDO |
| 175 |
|
|
ENDDO |
| 176 |
|
|
ENDDO |
| 177 |
|
|
ENDDO |
| 178 |
|
|
|
| 179 |
|
|
CALL PLOT_FIELD_XYZRL( theta, 'Theta after diffuse' , |
| 180 |
|
|
& Nr, myIter, myThid ) |
| 181 |
|
|
|
| 182 |
|
|
RETURN |
| 183 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph