11 |
I kappaRX, wVel, tracer, |
I kappaRX, wVel, tracer, |
12 |
U gTracer, |
U gTracer, |
13 |
I bi, bj, myTime, myIter, myThid ) |
I bi, bj, myTime, myIter, myThid ) |
14 |
C !DESCRIPTION: \bv |
C !DESCRIPTION: |
15 |
C *==========================================================* |
C Solve implicitly vertical advection and diffusion for one tracer. |
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C | S/R GAD_IMPLICIT_R |
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C | o Solve implicitly vertical advection & diffusion |
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C | for one tracer |
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C *==========================================================* |
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C *==========================================================* |
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C \ev |
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17 |
C !USES: |
C !USES: |
18 |
IMPLICIT NONE |
IMPLICIT NONE |
23 |
#include "GRID.h" |
#include "GRID.h" |
24 |
#include "GAD.h" |
#include "GAD.h" |
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26 |
C !INPUT/OUTPUT PARAMETERS: |
C !INPUT/OUTPUT PARAMETERS: |
27 |
C == Routine Arguments == |
C == Routine Arguments == |
28 |
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C implicitAdvection :: if True, treat vertical advection implicitly |
29 |
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C advectionScheme :: advection scheme to use |
30 |
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C tracerIdentity :: Identifier for the tracer |
31 |
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C kappaRX :: 3-D array for vertical diffusion coefficient |
32 |
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C wVel :: vertical component of the velcity field |
33 |
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C tracer :: tracer field at current time step |
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C gTracer :: future tracer field |
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C bi,bj :: tile indices |
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C myTime :: current time |
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C myIter :: current iteration number |
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C myThid :: thread number |
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LOGICAL implicitAdvection |
LOGICAL implicitAdvection |
40 |
INTEGER advectionScheme |
INTEGER advectionScheme |
41 |
INTEGER tracerIdentity |
INTEGER tracerIdentity |
47 |
_RL myTime |
_RL myTime |
48 |
INTEGER myIter, myThid |
INTEGER myIter, myThid |
49 |
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50 |
C !LOCAL VARIABLES: |
C !LOCAL VARIABLES: |
51 |
C == Local variables == |
C == Local variables == |
52 |
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C iMin,iMax,jMin,jMax :: computational domain |
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C i,j,k :: loop indices |
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C a5d :: 2nd lower diagonal of the pentadiagonal matrix |
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C b5d :: 1rst lower diagonal of the pentadiagonal matrix |
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C c5d :: main diagonal of the pentadiagonal matrix |
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C d5d :: 1rst upper diagonal of the pentadiagonal matrix |
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C e5d :: 2nd upper diagonal of the pentadiagonal matrix |
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C rTrans :: vertical volume transport at inteface k |
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C rTransKp1 :: vertical volume transport at inteface k+1 |
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C localTijk :: local copy of tracer (for Non-Lin Adv.Scheme) |
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C diagonalNumber :: number of non-zero diagonals in the matrix |
63 |
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C errCode :: > 0 if singular matrix |
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INTEGER iMin,iMax,jMin,jMax |
INTEGER iMin,iMax,jMin,jMax |
65 |
INTEGER i,j,k |
INTEGER i,j,k |
66 |
INTEGER diagonalNumber, errCode |
INTEGER diagonalNumber, errCode |
70 |
_RL d5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL d5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
71 |
_RL e5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL e5d(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
72 |
_RL rTrans(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
_RL rTrans(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL rFlx |
_RL rTransKp1(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL localTijk(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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#ifdef ALLOW_DIAGNOSTICS |
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CHARACTER*8 diagName |
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CHARACTER*4 GAD_DIAG_SUFX, diagSufx |
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EXTERNAL GAD_DIAG_SUFX |
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LOGICAL DIAGNOSTICS_IS_ON |
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EXTERNAL DIAGNOSTICS_IS_ON |
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_RL df (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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#endif |
83 |
CEOP |
CEOP |
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85 |
IF (Nr.LE.1) RETURN |
C-- no need to solve anything with only 1 level: |
86 |
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IF (Nr.GT.1) THEN |
87 |
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88 |
C-- Initialise |
C-- Initialise |
89 |
iMin = 1 |
iMin = 1 |
103 |
ENDDO |
ENDDO |
104 |
diagonalNumber = 1 |
diagonalNumber = 1 |
105 |
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106 |
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C-- Non-Linear Advection scheme: keep a local copy of tracer field |
107 |
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IF ( advectionScheme.EQ.ENUM_FLUX_LIMIT .OR. |
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& advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN |
109 |
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IF ( multiDimAdvection ) THEN |
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DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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localTijk(i,j,k) = gTracer(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
117 |
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ELSE |
118 |
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DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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localTijk(i,j,k) = tracer(i,j,k,bi,bj) |
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ENDDO |
123 |
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ENDDO |
124 |
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ENDDO |
125 |
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ENDIF |
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ENDIF |
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IF (implicitDiffusion) THEN |
IF (implicitDiffusion) THEN |
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C-- set the tri-diagonal matrix to solve the implicit diffusion problem |
C-- set the tri-diagonal matrix to solve the implicit diffusion problem |
130 |
diagonalNumber = 3 |
diagonalNumber = 3 |
132 |
DO k=2,Nr |
DO k=2,Nr |
133 |
DO j=jMin,jMax |
DO j=jMin,jMax |
134 |
DO i=iMin,iMax |
DO i=iMin,iMax |
135 |
IF (maskC(i,j,k-1,bi,bj).EQ.1.) |
b5d(i,j,k) = -dTtracerLev(k)*maskC(i,j,k-1,bi,bj) |
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& b5d(i,j,k) = -deltaTtracer |
& *_recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
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& *recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
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137 |
& *kappaRX(i,j, k )*recip_drC( k ) |
& *kappaRX(i,j, k )*recip_drC( k ) |
138 |
ENDDO |
ENDDO |
139 |
ENDDO |
ENDDO |
142 |
DO k=1,Nr-1 |
DO k=1,Nr-1 |
143 |
DO j=jMin,jMax |
DO j=jMin,jMax |
144 |
DO i=iMin,iMax |
DO i=iMin,iMax |
145 |
IF (maskC(i,j,k+1,bi,bj).EQ.1.) |
d5d(i,j,k) = -dTtracerLev(k)*maskC(i,j,k+1,bi,bj) |
146 |
& d5d(i,j,k) = -deltaTtracer |
& *_recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
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& *recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
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147 |
& *KappaRX(i,j,k+1)*recip_drC(k+1) |
& *KappaRX(i,j,k+1)*recip_drC(k+1) |
148 |
ENDDO |
ENDDO |
149 |
ENDDO |
ENDDO |
162 |
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163 |
IF (implicitAdvection) THEN |
IF (implicitAdvection) THEN |
164 |
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165 |
IF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN |
DO k=Nr,1,-1 |
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diagonalNumber = 3 |
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C note: a) this should go into a separated gad_ S/R |
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DO k=2,Nr |
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167 |
DO j=1-Oly,sNy+Oly |
C-- Compute transport |
168 |
DO i=1-Olx,sNx+Olx |
IF (k.EQ.Nr) THEN |
169 |
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DO j=1-Oly,sNy+Oly |
170 |
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DO i=1-Olx,sNx+Olx |
171 |
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rTransKp1(i,j) = 0. |
172 |
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ENDDO |
173 |
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ENDDO |
174 |
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ELSE |
175 |
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DO j=1-Oly,sNy+Oly |
176 |
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DO i=1-Olx,sNx+Olx |
177 |
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rTransKp1(i,j) = rTrans(i,j) |
178 |
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ENDDO |
179 |
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ENDDO |
180 |
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ENDIF |
181 |
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182 |
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IF (k.EQ.1) THEN |
183 |
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DO j=1-Oly,sNy+Oly |
184 |
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DO i=1-Olx,sNx+Olx |
185 |
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rTrans(i,j) = 0. |
186 |
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ENDDO |
187 |
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ENDDO |
188 |
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ELSE |
189 |
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DO j=1-Oly,sNy+Oly |
190 |
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DO i=1-Olx,sNx+Olx |
191 |
rTrans(i,j) = wVel(i,j,k,bi,bj)*rA(i,j,bi,bj) |
rTrans(i,j) = wVel(i,j,k,bi,bj)*rA(i,j,bi,bj) |
192 |
& *maskC(i,j,k-1,bi,bj) |
& *maskC(i,j,k-1,bi,bj) |
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ENDDO |
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193 |
ENDDO |
ENDDO |
194 |
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ENDDO |
195 |
#ifdef ALLOW_GMREDI |
#ifdef ALLOW_GMREDI |
196 |
C-- Residual transp = Bolus transp + Eulerian transp |
C-- Residual transp = Bolus transp + Eulerian transp |
197 |
IF (useGMRedi) |
IF (useGMRedi) |
198 |
& CALL GMREDI_CALC_WFLOW( |
& CALL GMREDI_CALC_WFLOW( |
199 |
& rTrans, bi, bj, k, myThid) |
& rTrans, bi, bj, k, myThid) |
200 |
#endif /* ALLOW_GMREDI */ |
#endif /* ALLOW_GMREDI */ |
201 |
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ENDIF |
202 |
C- space Centered advection scheme, Flux form: |
DO j=jMin,jMax |
203 |
DO j=jMin,jMax |
DO i=iMin,iMax |
204 |
DO i=iMin,iMax |
c localTijk(i,j,k) = gTracer(i,j,k,bi,bj) |
205 |
rFlx = 0.5 _d 0 *deltaTtracer*rTrans(i,j) |
gTracer(i,j,k,bi,bj) = gTracer(i,j,k,bi,bj) |
206 |
& *recip_rA(i,j,bi,bj)*rkFac |
& + dTtracerLev(1)*recip_rA(i,j,bi,bj) |
207 |
b5d(i,j,k) = b5d(i,j,k) |
& *_recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
208 |
& + rFlx*recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
& *tracer(i,j,k,bi,bj)*(rTransKp1(i,j)-rTrans(i,j))*rkSign |
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c5d(i,j,k) = c5d(i,j,k) |
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& + rFlx*recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
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c5d(i,j,k-1) = c5d(i,j,k-1) |
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& - rFlx*recip_hFacC(i,j,k-1,bi,bj)*recip_drF(k-1) |
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d5d(i,j,k-1) = d5d(i,j,k-1) |
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& - rFlx*recip_hFacC(i,j,k-1,bi,bj)*recip_drF(k-1) |
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ENDDO |
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209 |
ENDDO |
ENDDO |
210 |
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ENDDO |
211 |
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212 |
C-- end k loop |
#ifdef ALLOW_AIM |
213 |
ENDDO |
C- a hack to prevent Water-Vapor vert.transport into the stratospheric level Nr |
214 |
ELSE |
IF ( K.GE.2 .AND. |
215 |
STOP 'GAD_IMPLICIT_R: Adv.Scheme in Impl form not yet coded' |
& (.NOT.useAIM .OR.tracerIdentity.NE.GAD_SALINITY .OR.K.LT.Nr) |
216 |
ENDIF |
& ) THEN |
217 |
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#else |
218 |
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IF ( K.GE.2 ) THEN |
219 |
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#endif |
220 |
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221 |
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IF ( advectionScheme.EQ.ENUM_CENTERED_2ND ) THEN |
222 |
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diagonalNumber = 3 |
223 |
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CALL GAD_C2_IMPL_R( bi,bj,k, iMin,iMax,jMin,jMax, |
224 |
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I dTtracerLev, rTrans, |
225 |
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U b5d, c5d, d5d, |
226 |
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I myThid ) |
227 |
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ELSEIF ( advectionScheme.EQ.ENUM_UPWIND_1RST |
228 |
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& .OR. advectionScheme.EQ.ENUM_DST2 ) THEN |
229 |
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diagonalNumber = 3 |
230 |
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CALL GAD_DST2U1_IMPL_R( bi,bj,k, iMin,iMax,jMin,jMax, |
231 |
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I advectionScheme, dTtracerLev, rTrans, |
232 |
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U b5d, c5d, d5d, |
233 |
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I myThid ) |
234 |
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ELSEIF ( advectionScheme.EQ.ENUM_FLUX_LIMIT ) THEN |
235 |
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diagonalNumber = 3 |
236 |
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CALL GAD_FLUXLIMIT_IMPL_R( bi,bj,k, iMin,iMax,jMin,jMax, |
237 |
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I dTtracerLev, rTrans, localTijk, |
238 |
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U b5d, c5d, d5d, |
239 |
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I myThid ) |
240 |
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ELSEIF ( advectionScheme.EQ.ENUM_UPWIND_3RD |
241 |
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& .OR. advectionScheme.EQ.ENUM_CENTERED_4TH |
242 |
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& .OR. advectionScheme.EQ.ENUM_DST3 ) THEN |
243 |
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diagonalNumber = 5 |
244 |
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CALL GAD_U3C4_IMPL_R( bi,bj,k, iMin,iMax,jMin,jMax, |
245 |
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I advectionScheme, dTtracerLev, rTrans, |
246 |
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U a5d, b5d, c5d, d5d, e5d, |
247 |
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I myThid ) |
248 |
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ELSEIF ( advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN |
249 |
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diagonalNumber = 5 |
250 |
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CALL GAD_DST3FL_IMPL_R( bi,bj,k, iMin,iMax,jMin,jMax, |
251 |
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I dTtracerLev, rTrans, localTijk, |
252 |
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U a5d, b5d, c5d, d5d, e5d, |
253 |
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I myThid ) |
254 |
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ELSE |
255 |
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STOP 'GAD_IMPLICIT_R: Adv.Scheme in Impl form not yet coded' |
256 |
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ENDIF |
257 |
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258 |
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ENDIF |
259 |
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260 |
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C-- end k loop |
261 |
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ENDDO |
262 |
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263 |
C-- end if implicitAdvection |
C-- end if implicitAdvection |
264 |
ENDIF |
ENDIF |
273 |
IF (errCode.GE.1) THEN |
IF (errCode.GE.1) THEN |
274 |
STOP 'GAD_IMPLICIT_R: error when solving 3-Diag problem' |
STOP 'GAD_IMPLICIT_R: error when solving 3-Diag problem' |
275 |
ENDIF |
ENDIF |
276 |
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ELSEIF ( diagonalNumber .EQ. 5 ) THEN |
277 |
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C-- Solve penta-diagonal system : |
278 |
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CALL SOLVE_PENTADIAGONAL( iMin,iMax, jMin,jMax, |
279 |
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I a5d, b5d, c5d, d5d, e5d, |
280 |
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U gTracer, |
281 |
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O errCode, |
282 |
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I bi, bj, myThid ) |
283 |
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IF (errCode.GE.1) THEN |
284 |
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STOP 'GAD_IMPLICIT_R: error when solving 5-Diag problem' |
285 |
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ENDIF |
286 |
ELSEIF ( diagonalNumber .NE. 1 ) THEN |
ELSEIF ( diagonalNumber .NE. 1 ) THEN |
287 |
STOP 'GAD_IMPLICIT_R: no solver available' |
STOP 'GAD_IMPLICIT_R: no solver available' |
288 |
ENDIF |
ENDIF |
289 |
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290 |
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#ifdef ALLOW_DIAGNOSTICS |
291 |
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C-- Set diagnostic suffix for the current tracer |
292 |
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IF ( useDiagnostics .AND. implicitDiffusion ) THEN |
293 |
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diagSufx = GAD_DIAG_SUFX( tracerIdentity, myThid ) |
294 |
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diagName = 'DFrI'//diagSufx |
295 |
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IF ( DIAGNOSTICS_IS_ON(diagName,myThid) ) THEN |
296 |
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DO k= 1,Nr |
297 |
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IF ( k.EQ.1 ) THEN |
298 |
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C- Note: Needs to call DIAGNOSTICS_FILL at level k=1 even if array == 0 |
299 |
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C otherwise counter is not incremented !! |
300 |
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DO j=1-OLy,sNy+OLy |
301 |
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DO i=1-OLx,sNx+OLx |
302 |
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df(i,j) = 0. _d 0 |
303 |
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ENDDO |
304 |
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ENDDO |
305 |
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ELSE |
306 |
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DO j=1,sNy |
307 |
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DO i=1,sNx |
308 |
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df(i,j) = |
309 |
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& rA(i,j,bi,bj) |
310 |
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& * KappaRX(i,j,k)*recip_drC(k) |
311 |
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& * (gTracer(i,j,k,bi,bj) - gTracer(i,j,k-1,bi,bj)) |
312 |
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ENDDO |
313 |
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ENDDO |
314 |
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ENDIF |
315 |
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CALL DIAGNOSTICS_FILL(df,diagName, k,1, 2,bi,bj, myThid) |
316 |
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ENDDO |
317 |
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ENDIF |
318 |
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ENDIF |
319 |
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#endif /* ALLOW_DIAGNOSTICS */ |
320 |
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321 |
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C-- end if Nr > 1 |
322 |
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ENDIF |
323 |
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324 |
RETURN |
RETURN |
325 |
END |
END |