| 1 |
jmc |
1.1 |
C $Header: $ |
| 2 |
|
|
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "GAD_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
CBOP |
| 7 |
|
|
C !ROUTINE: GAD_IMPLICIT_R |
| 8 |
|
|
C !INTERFACE: |
| 9 |
|
|
SUBROUTINE GAD_IMPLICIT_R( |
| 10 |
|
|
I implicitAdvection, advectionScheme, tracerIdentity, |
| 11 |
|
|
I kappaRX, wVel, tracer, |
| 12 |
|
|
U gTracer, |
| 13 |
|
|
I bi, bj, myTime, myIter, myThid ) |
| 14 |
|
|
C !DESCRIPTION: \bv |
| 15 |
|
|
C *==========================================================* |
| 16 |
|
|
C | S/R GAD_IMPLICIT_R |
| 17 |
|
|
C | o Solve implicitly vertical advection & diffusion |
| 18 |
|
|
C | for one tracer |
| 19 |
|
|
C *==========================================================* |
| 20 |
|
|
C *==========================================================* |
| 21 |
|
|
C \ev |
| 22 |
|
|
|
| 23 |
|
|
C !USES: |
| 24 |
|
|
IMPLICIT NONE |
| 25 |
|
|
C == Global data == |
| 26 |
|
|
#include "SIZE.h" |
| 27 |
|
|
#include "EEPARAMS.h" |
| 28 |
|
|
#include "PARAMS.h" |
| 29 |
|
|
#include "GRID.h" |
| 30 |
|
|
#include "GAD.h" |
| 31 |
|
|
|
| 32 |
|
|
C !INPUT/OUTPUT PARAMETERS: |
| 33 |
|
|
C == Routine Arguments == |
| 34 |
|
|
LOGICAL implicitAdvection |
| 35 |
|
|
INTEGER advectionScheme |
| 36 |
|
|
INTEGER tracerIdentity |
| 37 |
|
|
_RL kappaRX(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
| 38 |
|
|
_RL wVel (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
| 39 |
|
|
_RL tracer (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
| 40 |
|
|
_RL gTracer(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
| 41 |
|
|
INTEGER bi, bj |
| 42 |
|
|
_RL myTime |
| 43 |
|
|
INTEGER myIter, myThid |
| 44 |
|
|
|
| 45 |
|
|
C !LOCAL VARIABLES: |
| 46 |
|
|
C == Local variables == |
| 47 |
|
|
INTEGER iMin,iMax,jMin,jMax |
| 48 |
|
|
INTEGER i,j,k |
| 49 |
|
|
INTEGER diagonalNumber, errCode |
| 50 |
|
|
_RL a5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
| 51 |
|
|
_RL b5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
| 52 |
|
|
_RL c5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
| 53 |
|
|
_RL d5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
| 54 |
|
|
_RL e5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
| 55 |
|
|
_RL rTrans(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 56 |
|
|
_RL rFlx |
| 57 |
|
|
CEOP |
| 58 |
|
|
|
| 59 |
|
|
IF (Nr.LE.1) RETURN |
| 60 |
|
|
|
| 61 |
|
|
C-- Initialise |
| 62 |
|
|
iMin = 1 |
| 63 |
|
|
jMin = 1 |
| 64 |
|
|
iMax = sNx |
| 65 |
|
|
jMax = sNy |
| 66 |
|
|
DO k=1,Nr |
| 67 |
|
|
DO j=1-Oly,sNy+Oly |
| 68 |
|
|
DO i=1-Olx,sNx+Olx |
| 69 |
|
|
a5d(i,j,k) = 0. _d 0 |
| 70 |
|
|
b5d(i,j,k) = 0. _d 0 |
| 71 |
|
|
c5d(i,j,k) = 1. _d 0 |
| 72 |
|
|
d5d(i,j,k) = 0. _d 0 |
| 73 |
|
|
e5d(i,j,k) = 0. _d 0 |
| 74 |
|
|
ENDDO |
| 75 |
|
|
ENDDO |
| 76 |
|
|
ENDDO |
| 77 |
|
|
diagonalNumber = 1 |
| 78 |
|
|
|
| 79 |
|
|
IF (implicitDiffusion) THEN |
| 80 |
|
|
C-- set the tri-diagonal matrix to solve the implicit diffusion problem |
| 81 |
|
|
diagonalNumber = 3 |
| 82 |
|
|
C- 1rst lower diagonal : |
| 83 |
|
|
DO k=2,Nr |
| 84 |
|
|
DO j=jMin,jMax |
| 85 |
|
|
DO i=iMin,iMax |
| 86 |
|
|
IF (maskC(i,j,k-1,bi,bj).EQ.1.) |
| 87 |
|
|
& b5d(i,j,k) = -deltaTtracer |
| 88 |
|
|
& *recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
| 89 |
|
|
& *kappaRX(i,j, k )*recip_drC( k ) |
| 90 |
|
|
ENDDO |
| 91 |
|
|
ENDDO |
| 92 |
|
|
ENDDO |
| 93 |
|
|
C- 1rst upper diagonal : |
| 94 |
|
|
DO k=1,Nr-1 |
| 95 |
|
|
DO j=jMin,jMax |
| 96 |
|
|
DO i=iMin,iMax |
| 97 |
|
|
IF (maskC(i,j,k+1,bi,bj).EQ.1.) |
| 98 |
|
|
& d5d(i,j,k) = -deltaTtracer |
| 99 |
|
|
& *recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
| 100 |
|
|
& *KappaRX(i,j,k+1)*recip_drC(k+1) |
| 101 |
|
|
ENDDO |
| 102 |
|
|
ENDDO |
| 103 |
|
|
ENDDO |
| 104 |
|
|
C- Main diagonal : |
| 105 |
|
|
DO k=1,Nr |
| 106 |
|
|
DO j=jMin,jMax |
| 107 |
|
|
DO i=iMin,iMax |
| 108 |
|
|
c5d(i,j,k) = 1. _d 0 - b5d(i,j,k) - d5d(i,j,k) |
| 109 |
|
|
ENDDO |
| 110 |
|
|
ENDDO |
| 111 |
|
|
ENDDO |
| 112 |
|
|
|
| 113 |
|
|
C-- end if implicitDiffusion |
| 114 |
|
|
ENDIF |
| 115 |
|
|
|
| 116 |
|
|
IF (implicitAdvection) THEN |
| 117 |
|
|
|
| 118 |
|
|
IF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN |
| 119 |
|
|
diagonalNumber = 3 |
| 120 |
|
|
C note: a) this should go into a separated gad_ S/R |
| 121 |
|
|
DO k=2,Nr |
| 122 |
|
|
|
| 123 |
|
|
DO j=1-Oly,sNy+Oly |
| 124 |
|
|
DO i=1-Olx,sNx+Olx |
| 125 |
|
|
rTrans(i,j) = wVel(i,j,k,bi,bj)*rA(i,j,bi,bj) |
| 126 |
|
|
& *maskC(i,j,k-1,bi,bj) |
| 127 |
|
|
ENDDO |
| 128 |
|
|
ENDDO |
| 129 |
|
|
#ifdef ALLOW_GMREDI |
| 130 |
|
|
C-- Residual transp = Bolus transp + Eulerian transp |
| 131 |
|
|
IF (useGMRedi) |
| 132 |
|
|
& CALL GMREDI_CALC_WFLOW( |
| 133 |
|
|
& rTrans, bi, bj, k, myThid) |
| 134 |
|
|
#endif /* ALLOW_GMREDI */ |
| 135 |
|
|
|
| 136 |
|
|
C- space Centered advection scheme, Flux form: |
| 137 |
|
|
DO j=jMin,jMax |
| 138 |
|
|
DO i=iMin,iMax |
| 139 |
|
|
rFlx = 0.5 _d 0 *deltaTtracer*rTrans(i,j) |
| 140 |
|
|
& *recip_rA(i,j,bi,bj)*rkFac |
| 141 |
|
|
b5d(i,j,k) = b5d(i,j,k) |
| 142 |
|
|
& + rFlx*recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
| 143 |
|
|
c5d(i,j,k) = c5d(i,j,k) |
| 144 |
|
|
& + rFlx*recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
| 145 |
|
|
c5d(i,j,k-1) = c5d(i,j,k-1) |
| 146 |
|
|
& - rFlx*recip_hFacC(i,j,k-1,bi,bj)*recip_drF(k-1) |
| 147 |
|
|
d5d(i,j,k-1) = d5d(i,j,k-1) |
| 148 |
|
|
& - rFlx*recip_hFacC(i,j,k-1,bi,bj)*recip_drF(k-1) |
| 149 |
|
|
ENDDO |
| 150 |
|
|
ENDDO |
| 151 |
|
|
|
| 152 |
|
|
C-- end k loop |
| 153 |
|
|
ENDDO |
| 154 |
|
|
ELSE |
| 155 |
|
|
STOP 'GAD_IMPLICIT_R: Adv.Scheme in Impl form not yet coded' |
| 156 |
|
|
ENDIF |
| 157 |
|
|
|
| 158 |
|
|
C-- end if implicitAdvection |
| 159 |
|
|
ENDIF |
| 160 |
|
|
|
| 161 |
|
|
IF ( diagonalNumber .EQ. 3 ) THEN |
| 162 |
|
|
C-- Solve tri-diagonal system : |
| 163 |
|
|
CALL SOLVE_TRIDIAGONAL( iMin,iMax, jMin,jMax, |
| 164 |
|
|
I b5d, c5d, d5d, |
| 165 |
|
|
U gTracer, |
| 166 |
|
|
O errCode, |
| 167 |
|
|
I bi, bj, myThid ) |
| 168 |
|
|
IF (errCode.GE.1) THEN |
| 169 |
|
|
STOP 'GAD_IMPLICIT_R: error when solving 3-Diag problem' |
| 170 |
|
|
ENDIF |
| 171 |
|
|
ELSEIF ( diagonalNumber .NE. 1 ) THEN |
| 172 |
|
|
STOP 'GAD_IMPLICIT_R: no solver available' |
| 173 |
|
|
ENDIF |
| 174 |
|
|
|
| 175 |
|
|
RETURN |
| 176 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph