1 |
adcroft |
1.7 |
C $Header: /u/gcmpack/models/MITgcmUV/pkg/generic_advdiff/gad_advection.F,v 1.6 2001/09/27 20:12:11 heimbach Exp $ |
2 |
adcroft |
1.2 |
C $Name: $ |
3 |
adcroft |
1.1 |
|
4 |
adcroft |
1.4 |
CBOI |
5 |
|
|
C !TITLE: pkg/generic\_advdiff |
6 |
|
|
C !AUTHORS: adcroft@mit.edu |
7 |
|
|
C !INTRODUCTION: |
8 |
|
|
C \section{Generica Advection Diffusion Package} |
9 |
|
|
C |
10 |
|
|
C Package "generic\_advdiff" provides a common set of routines for calculating |
11 |
|
|
C advective/diffusive fluxes for tracers (cell centered quantities on a C-grid). |
12 |
|
|
C |
13 |
|
|
C Many different advection schemes are available: the standard centered |
14 |
|
|
C second order, centered fourth order and upwind biased third order schemes |
15 |
|
|
C are known as linear methods and require some stable time-stepping method |
16 |
|
|
C such as Adams-Bashforth. Alternatives such as flux-limited schemes are |
17 |
|
|
C stable in the forward sense and are best combined with the multi-dimensional |
18 |
|
|
C method provided in gad\_advection. |
19 |
|
|
C |
20 |
|
|
C There are two high-level routines: |
21 |
|
|
C \begin{itemize} |
22 |
|
|
C \item{GAD\_CALC\_RHS} calculates all fluxes at time level "n" and is used |
23 |
|
|
C for the standard linear schemes. This must be used in conjuction with |
24 |
|
|
C Adams-Bashforth time-stepping. Diffusive and parameterized fluxes are |
25 |
|
|
C always calculated here. |
26 |
|
|
C \item{GAD\_ADVECTION} calculates just the advective fluxes using the |
27 |
|
|
C non-linear schemes and can not be used in conjuction with Adams-Bashforth |
28 |
|
|
C time-stepping. |
29 |
|
|
C \end{itemize} |
30 |
|
|
CEOI |
31 |
|
|
|
32 |
adcroft |
1.1 |
#include "GAD_OPTIONS.h" |
33 |
|
|
|
34 |
adcroft |
1.4 |
CBOP |
35 |
|
|
C !ROUTINE: GAD_ADVECTION |
36 |
|
|
|
37 |
|
|
C !INTERFACE: ========================================================== |
38 |
adcroft |
1.1 |
SUBROUTINE GAD_ADVECTION(bi,bj,advectionScheme,tracerIdentity, |
39 |
|
|
U Tracer,Gtracer, |
40 |
|
|
I myTime,myIter,myThid) |
41 |
adcroft |
1.4 |
|
42 |
|
|
C !DESCRIPTION: |
43 |
|
|
C Calculates the tendancy of a tracer due to advection. |
44 |
|
|
C It uses the multi-dimensional method given in \ref{sect:multiDimAdvection} |
45 |
|
|
C and can only be used for the non-linear advection schemes such as the |
46 |
|
|
C direct-space-time method and flux-limiters. |
47 |
|
|
C |
48 |
|
|
C The algorithm is as follows: |
49 |
|
|
C \begin{itemize} |
50 |
|
|
C \item{$\theta^{(n+1/3)} = \theta^{(n)} |
51 |
adcroft |
1.5 |
C - \Delta t \partial_x (u\theta^{(n)}) + \theta^{(n)} \partial_x u$} |
52 |
adcroft |
1.4 |
C \item{$\theta^{(n+2/3)} = \theta^{(n+1/3)} |
53 |
adcroft |
1.5 |
C - \Delta t \partial_y (v\theta^{(n+1/3)}) + \theta^{(n)} \partial_y v$} |
54 |
adcroft |
1.4 |
C \item{$\theta^{(n+3/3)} = \theta^{(n+2/3)} |
55 |
adcroft |
1.5 |
C - \Delta t \partial_r (w\theta^{(n+2/3)}) + \theta^{(n)} \partial_r w$} |
56 |
adcroft |
1.4 |
C \item{$G_\theta = ( \theta^{(n+3/3)} - \theta^{(n)} )/\Delta t$} |
57 |
|
|
C \end{itemize} |
58 |
|
|
C |
59 |
|
|
C The tendancy (output) is over-written by this routine. |
60 |
|
|
|
61 |
|
|
C !USES: =============================================================== |
62 |
adcroft |
1.1 |
IMPLICIT NONE |
63 |
|
|
#include "SIZE.h" |
64 |
|
|
#include "EEPARAMS.h" |
65 |
|
|
#include "PARAMS.h" |
66 |
|
|
#include "DYNVARS.h" |
67 |
|
|
#include "GRID.h" |
68 |
|
|
#include "GAD.h" |
69 |
heimbach |
1.6 |
#ifdef ALLOW_AUTODIFF_TAMC |
70 |
|
|
# include "tamc.h" |
71 |
|
|
# include "tamc_keys.h" |
72 |
|
|
#endif |
73 |
adcroft |
1.1 |
|
74 |
adcroft |
1.4 |
C !INPUT PARAMETERS: =================================================== |
75 |
|
|
C bi,bj :: tile indices |
76 |
|
|
C advectionScheme :: advection scheme to use |
77 |
|
|
C tracerIdentity :: identifier for the tracer (required only for OBCS) |
78 |
|
|
C Tracer :: tracer field |
79 |
|
|
C myTime :: current time |
80 |
|
|
C myIter :: iteration number |
81 |
|
|
C myThid :: thread number |
82 |
adcroft |
1.1 |
INTEGER bi,bj |
83 |
|
|
INTEGER advectionScheme |
84 |
|
|
INTEGER tracerIdentity |
85 |
|
|
_RL Gtracer(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
86 |
|
|
_RL myTime |
87 |
|
|
INTEGER myIter |
88 |
|
|
INTEGER myThid |
89 |
|
|
|
90 |
adcroft |
1.4 |
C !OUTPUT PARAMETERS: ================================================== |
91 |
|
|
C gTracer :: tendancy array |
92 |
|
|
_RL Tracer(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
93 |
|
|
|
94 |
|
|
C !LOCAL VARIABLES: ==================================================== |
95 |
|
|
C maskUp :: 2-D array for mask at W points |
96 |
|
|
C iMin,iMax,jMin,jMax :: loop range for called routines |
97 |
|
|
C i,j,k :: loop indices |
98 |
|
|
C kup :: index into 2 1/2D array, toggles between 1 and 2 |
99 |
|
|
C kdown :: index into 2 1/2D array, toggles between 2 and 1 |
100 |
|
|
C kp1 :: =k+1 for k<Nr, =Nr for k=Nr |
101 |
|
|
C xA,yA :: areas of X and Y face of tracer cells |
102 |
|
|
C uTrans,vTrans,rTrans :: 2-D arrays of volume transports at U,V and W points |
103 |
|
|
C af :: 2-D array for horizontal advective flux |
104 |
|
|
C fVerT :: 2 1/2D arrays for vertical advective flux |
105 |
|
|
C localTij :: 2-D array used as temporary local copy of tracer fld |
106 |
|
|
C localTijk :: 3-D array used as temporary local copy of tracer fld |
107 |
|
|
C kp1Msk :: flag (0,1) to act as over-riding mask for W levels |
108 |
|
|
C calc_fluxes_X :: logical to indicate to calculate fluxes in X dir |
109 |
|
|
C calc_fluxes_Y :: logical to indicate to calculate fluxes in Y dir |
110 |
|
|
C nipass :: number of passes to make in multi-dimensional method |
111 |
|
|
C ipass :: number of the current pass being made |
112 |
adcroft |
1.1 |
_RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
113 |
|
|
INTEGER iMin,iMax,jMin,jMax |
114 |
|
|
INTEGER i,j,k,kup,kDown,kp1 |
115 |
|
|
_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
116 |
|
|
_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
117 |
|
|
_RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
118 |
|
|
_RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
119 |
|
|
_RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
120 |
|
|
_RL af (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
121 |
|
|
_RL fVerT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
122 |
|
|
_RL localTij(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
123 |
|
|
_RL localTijk(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
124 |
|
|
_RL kp1Msk |
125 |
adcroft |
1.3 |
LOGICAL calc_fluxes_X,calc_fluxes_Y |
126 |
|
|
INTEGER nipass,ipass |
127 |
adcroft |
1.4 |
CEOP |
128 |
adcroft |
1.1 |
|
129 |
heimbach |
1.6 |
#ifdef ALLOW_AUTODIFF_TAMC |
130 |
|
|
act1 = bi - myBxLo(myThid) |
131 |
|
|
max1 = myBxHi(myThid) - myBxLo(myThid) + 1 |
132 |
|
|
act2 = bj - myByLo(myThid) |
133 |
|
|
max2 = myByHi(myThid) - myByLo(myThid) + 1 |
134 |
|
|
act3 = myThid - 1 |
135 |
|
|
max3 = nTx*nTy |
136 |
|
|
act4 = ikey_dynamics - 1 |
137 |
|
|
ikey = (act1 + 1) + act2*max1 |
138 |
|
|
& + act3*max1*max2 |
139 |
|
|
& + act4*max1*max2*max3 |
140 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
141 |
|
|
|
142 |
adcroft |
1.1 |
C-- Set up work arrays with valid (i.e. not NaN) values |
143 |
|
|
C These inital values do not alter the numerical results. They |
144 |
|
|
C just ensure that all memory references are to valid floating |
145 |
|
|
C point numbers. This prevents spurious hardware signals due to |
146 |
|
|
C uninitialised but inert locations. |
147 |
|
|
DO j=1-OLy,sNy+OLy |
148 |
|
|
DO i=1-OLx,sNx+OLx |
149 |
|
|
xA(i,j) = 0. _d 0 |
150 |
|
|
yA(i,j) = 0. _d 0 |
151 |
|
|
uTrans(i,j) = 0. _d 0 |
152 |
|
|
vTrans(i,j) = 0. _d 0 |
153 |
|
|
rTrans(i,j) = 0. _d 0 |
154 |
|
|
fVerT(i,j,1) = 0. _d 0 |
155 |
|
|
fVerT(i,j,2) = 0. _d 0 |
156 |
|
|
ENDDO |
157 |
|
|
ENDDO |
158 |
|
|
|
159 |
|
|
iMin = 1-OLx |
160 |
|
|
iMax = sNx+OLx |
161 |
|
|
jMin = 1-OLy |
162 |
|
|
jMax = sNy+OLy |
163 |
|
|
|
164 |
|
|
C-- Start of k loop for horizontal fluxes |
165 |
|
|
DO k=1,Nr |
166 |
heimbach |
1.6 |
#ifdef ALLOW_AUTODIFF_TAMC |
167 |
|
|
kkey = (ikey-1)*Nr + k |
168 |
|
|
CADJ STORE tracer(:,:,k,bi,bj) = comlev1_bibj_k, key=kkey, byte=isbyte |
169 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
170 |
adcroft |
1.1 |
|
171 |
|
|
C-- Get temporary terms used by tendency routines |
172 |
|
|
CALL CALC_COMMON_FACTORS ( |
173 |
|
|
I bi,bj,iMin,iMax,jMin,jMax,k, |
174 |
|
|
O xA,yA,uTrans,vTrans,rTrans,maskUp, |
175 |
|
|
I myThid) |
176 |
|
|
|
177 |
|
|
C-- Make local copy of tracer array |
178 |
|
|
DO j=1-OLy,sNy+OLy |
179 |
|
|
DO i=1-OLx,sNx+OLx |
180 |
|
|
localTij(i,j)=tracer(i,j,k,bi,bj) |
181 |
|
|
ENDDO |
182 |
|
|
ENDDO |
183 |
|
|
|
184 |
adcroft |
1.3 |
IF (useCubedSphereExchange) THEN |
185 |
|
|
nipass=3 |
186 |
|
|
ELSE |
187 |
|
|
nipass=1 |
188 |
|
|
ENDIF |
189 |
heimbach |
1.6 |
cph nipass=1 |
190 |
adcroft |
1.3 |
|
191 |
|
|
C-- Multiple passes for different directions on different tiles |
192 |
|
|
DO ipass=1,nipass |
193 |
heimbach |
1.6 |
#ifdef ALLOW_AUTODIFF_TAMC |
194 |
|
|
passkey = ipass + (k-1) *maxpass |
195 |
|
|
& + (ikey-1)*maxpass*Nr |
196 |
|
|
IF (nipass .GT. maxpass) THEN |
197 |
|
|
STOP 'GAD_ADVECTION: nipass > maxpass. check tamc.h' |
198 |
|
|
ENDIF |
199 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
200 |
adcroft |
1.3 |
|
201 |
|
|
IF (nipass.EQ.3) THEN |
202 |
|
|
calc_fluxes_X=.FALSE. |
203 |
|
|
calc_fluxes_Y=.FALSE. |
204 |
|
|
IF (ipass.EQ.1 .AND. (bi.EQ.1 .OR. bi.EQ.2) ) THEN |
205 |
|
|
calc_fluxes_X=.TRUE. |
206 |
|
|
ELSEIF (ipass.EQ.1 .AND. (bi.EQ.4 .OR. bi.EQ.5) ) THEN |
207 |
|
|
calc_fluxes_Y=.TRUE. |
208 |
|
|
ELSEIF (ipass.EQ.2 .AND. (bi.EQ.1 .OR. bi.EQ.6) ) THEN |
209 |
|
|
calc_fluxes_Y=.TRUE. |
210 |
|
|
ELSEIF (ipass.EQ.2 .AND. (bi.EQ.3 .OR. bi.EQ.4) ) THEN |
211 |
|
|
calc_fluxes_X=.TRUE. |
212 |
|
|
ELSEIF (ipass.EQ.3 .AND. (bi.EQ.2 .OR. bi.EQ.3) ) THEN |
213 |
|
|
calc_fluxes_Y=.TRUE. |
214 |
|
|
ELSEIF (ipass.EQ.3 .AND. (bi.EQ.5 .OR. bi.EQ.6) ) THEN |
215 |
|
|
calc_fluxes_X=.TRUE. |
216 |
|
|
ENDIF |
217 |
|
|
ELSE |
218 |
|
|
calc_fluxes_X=.TRUE. |
219 |
|
|
calc_fluxes_Y=.TRUE. |
220 |
|
|
ENDIF |
221 |
|
|
|
222 |
|
|
C-- X direction |
223 |
|
|
IF (calc_fluxes_X) THEN |
224 |
|
|
|
225 |
|
|
C-- Internal exchange for calculations in X |
226 |
|
|
IF (useCubedSphereExchange) THEN |
227 |
|
|
DO j=1,Oly |
228 |
|
|
DO i=1,Olx |
229 |
|
|
localTij( 1-i , 1-j )=localTij( 1-j , i ) |
230 |
|
|
localTij( 1-i ,sNy+j)=localTij( 1-j , sNy+1-i ) |
231 |
|
|
localTij(sNx+i, 1-j )=localTij(sNx+j, i ) |
232 |
|
|
localTij(sNx+i,sNy+j)=localTij(sNx+j, sNy+1-i ) |
233 |
|
|
ENDDO |
234 |
|
|
ENDDO |
235 |
|
|
ENDIF |
236 |
|
|
|
237 |
adcroft |
1.1 |
C- Advective flux in X |
238 |
|
|
DO j=1-Oly,sNy+Oly |
239 |
|
|
DO i=1-Olx,sNx+Olx |
240 |
|
|
af(i,j) = 0. |
241 |
|
|
ENDDO |
242 |
|
|
ENDDO |
243 |
heimbach |
1.6 |
|
244 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
245 |
adcroft |
1.7 |
#ifndef DISABLE_MULTIDIM_ADVECTION |
246 |
heimbach |
1.6 |
CADJ STORE localTij(:,:) = comlev1_bibj_pass, key=passkey, byte=isbyte |
247 |
|
|
#endif |
248 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
249 |
|
|
|
250 |
adcroft |
1.1 |
IF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN |
251 |
|
|
CALL GAD_FLUXLIMIT_ADV_X( |
252 |
|
|
& bi,bj,k,deltaTtracer,uTrans,uVel,localTij,af,myThid) |
253 |
|
|
ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN |
254 |
|
|
CALL GAD_DST3_ADV_X( |
255 |
|
|
& bi,bj,k,deltaTtracer,uTrans,uVel,localTij,af,myThid) |
256 |
|
|
ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN |
257 |
|
|
CALL GAD_DST3FL_ADV_X( |
258 |
|
|
& bi,bj,k,deltaTtracer,uTrans,uVel,localTij,af,myThid) |
259 |
|
|
ELSE |
260 |
|
|
STOP 'GAD_ADVECTION: adv. scheme incompatibale with mutli-dim' |
261 |
|
|
ENDIF |
262 |
heimbach |
1.6 |
|
263 |
adcroft |
1.1 |
DO j=1-Oly,sNy+Oly |
264 |
|
|
DO i=1-Olx,sNx+Olx-1 |
265 |
|
|
localTij(i,j)=localTij(i,j)-deltaTtracer* |
266 |
|
|
& _recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
267 |
|
|
& *recip_rA(i,j,bi,bj) |
268 |
|
|
& *( af(i+1,j)-af(i,j) |
269 |
|
|
& -tracer(i,j,k,bi,bj)*(uTrans(i+1,j)-uTrans(i,j)) |
270 |
|
|
& ) |
271 |
|
|
ENDDO |
272 |
|
|
ENDDO |
273 |
|
|
|
274 |
|
|
#ifdef ALLOW_OBCS |
275 |
|
|
C-- Apply open boundary conditions |
276 |
|
|
IF (useOBCS) THEN |
277 |
|
|
IF (tracerIdentity.EQ.GAD_TEMPERATURE) THEN |
278 |
|
|
CALL OBCS_APPLY_TLOC( bi, bj, k, localTij, myThid ) |
279 |
|
|
ELSEIF (tracerIdentity.EQ.GAD_SALINITY) THEN |
280 |
|
|
CALL OBCS_APPLY_SLOC( bi, bj, k, localTij, myThid ) |
281 |
|
|
END IF |
282 |
|
|
END IF |
283 |
|
|
#endif /* ALLOW_OBCS */ |
284 |
|
|
|
285 |
adcroft |
1.3 |
C-- End of X direction |
286 |
|
|
ENDIF |
287 |
|
|
|
288 |
|
|
C-- Y direction |
289 |
|
|
IF (calc_fluxes_Y) THEN |
290 |
|
|
|
291 |
|
|
C-- Internal exchange for calculations in Y |
292 |
|
|
IF (useCubedSphereExchange) THEN |
293 |
|
|
DO j=1,Oly |
294 |
|
|
DO i=1,Olx |
295 |
|
|
localTij( 1-i , 1-j )=localTij( j , 1-i ) |
296 |
|
|
localTij( 1-i ,sNy+j)=localTij( j ,sNy+i) |
297 |
|
|
localTij(sNx+i, 1-j )=localTij(sNx+1-j, 1-i ) |
298 |
|
|
localTij(sNx+i,sNy+j)=localTij(sNx+1-j,sNy+i) |
299 |
|
|
ENDDO |
300 |
|
|
ENDDO |
301 |
|
|
ENDIF |
302 |
|
|
|
303 |
adcroft |
1.1 |
C- Advective flux in Y |
304 |
|
|
DO j=1-Oly,sNy+Oly |
305 |
|
|
DO i=1-Olx,sNx+Olx |
306 |
|
|
af(i,j) = 0. |
307 |
|
|
ENDDO |
308 |
|
|
ENDDO |
309 |
heimbach |
1.6 |
|
310 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
311 |
adcroft |
1.7 |
#ifndef DISABLE_MULTIDIM_ADVECTION |
312 |
heimbach |
1.6 |
CADJ STORE localTij(:,:) = comlev1_bibj_pass, key=passkey, byte=isbyte |
313 |
|
|
#endif |
314 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
315 |
|
|
|
316 |
adcroft |
1.1 |
IF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN |
317 |
|
|
CALL GAD_FLUXLIMIT_ADV_Y( |
318 |
|
|
& bi,bj,k,deltaTtracer,vTrans,vVel,localTij,af,myThid) |
319 |
|
|
ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN |
320 |
|
|
CALL GAD_DST3_ADV_Y( |
321 |
|
|
& bi,bj,k,deltaTtracer,vTrans,vVel,localTij,af,myThid) |
322 |
|
|
ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN |
323 |
|
|
CALL GAD_DST3FL_ADV_Y( |
324 |
|
|
& bi,bj,k,deltaTtracer,vTrans,vVel,localTij,af,myThid) |
325 |
|
|
ELSE |
326 |
|
|
STOP 'GAD_ADVECTION: adv. scheme incompatibale with mutli-dim' |
327 |
|
|
ENDIF |
328 |
heimbach |
1.6 |
|
329 |
adcroft |
1.1 |
DO j=1-Oly,sNy+Oly-1 |
330 |
|
|
DO i=1-Olx,sNx+Olx |
331 |
|
|
localTij(i,j)=localTij(i,j)-deltaTtracer* |
332 |
|
|
& _recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
333 |
|
|
& *recip_rA(i,j,bi,bj) |
334 |
|
|
& *( af(i,j+1)-af(i,j) |
335 |
|
|
& -tracer(i,j,k,bi,bj)*(vTrans(i,j+1)-vTrans(i,j)) |
336 |
|
|
& ) |
337 |
|
|
ENDDO |
338 |
|
|
ENDDO |
339 |
adcroft |
1.3 |
|
340 |
adcroft |
1.1 |
#ifdef ALLOW_OBCS |
341 |
|
|
C-- Apply open boundary conditions |
342 |
|
|
IF (useOBCS) THEN |
343 |
|
|
IF (tracerIdentity.EQ.GAD_TEMPERATURE) THEN |
344 |
|
|
CALL OBCS_APPLY_TLOC( bi, bj, k, localTij, myThid ) |
345 |
|
|
ELSEIF (tracerIdentity.EQ.GAD_SALINITY) THEN |
346 |
|
|
CALL OBCS_APPLY_SLOC( bi, bj, k, localTij, myThid ) |
347 |
|
|
END IF |
348 |
|
|
END IF |
349 |
|
|
#endif /* ALLOW_OBCS */ |
350 |
adcroft |
1.3 |
|
351 |
|
|
C-- End of Y direction |
352 |
|
|
ENDIF |
353 |
|
|
|
354 |
|
|
DO j=1-Oly,sNy+Oly |
355 |
adcroft |
1.1 |
DO i=1-Olx,sNx+Olx |
356 |
|
|
localTijk(i,j,k)=localTij(i,j) |
357 |
|
|
ENDDO |
358 |
|
|
ENDDO |
359 |
|
|
|
360 |
adcroft |
1.3 |
C-- End of ipass loop |
361 |
|
|
ENDDO |
362 |
adcroft |
1.1 |
|
363 |
|
|
C-- End of K loop for horizontal fluxes |
364 |
|
|
ENDDO |
365 |
|
|
|
366 |
|
|
C-- Start of k loop for vertical flux |
367 |
|
|
DO k=Nr,1,-1 |
368 |
heimbach |
1.6 |
#ifdef ALLOW_AUTODIFF_TAMC |
369 |
|
|
kkey = (ikey-1)*Nr + k |
370 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
371 |
adcroft |
1.1 |
|
372 |
|
|
C-- kup Cycles through 1,2 to point to w-layer above |
373 |
|
|
C-- kDown Cycles through 2,1 to point to w-layer below |
374 |
|
|
kup = 1+MOD(k+1,2) |
375 |
|
|
kDown= 1+MOD(k,2) |
376 |
|
|
|
377 |
|
|
C-- Get temporary terms used by tendency routines |
378 |
|
|
CALL CALC_COMMON_FACTORS ( |
379 |
|
|
I bi,bj,iMin,iMax,jMin,jMax,k, |
380 |
|
|
O xA,yA,uTrans,vTrans,rTrans,maskUp, |
381 |
|
|
I myThid) |
382 |
|
|
|
383 |
|
|
C- Advective flux in R |
384 |
|
|
DO j=1-Oly,sNy+Oly |
385 |
|
|
DO i=1-Olx,sNx+Olx |
386 |
|
|
af(i,j) = 0. |
387 |
|
|
ENDDO |
388 |
|
|
ENDDO |
389 |
heimbach |
1.6 |
|
390 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
391 |
|
|
CADJ STORE localTijk(:,:,k) |
392 |
|
|
CADJ & = comlev1_bibj_k, key=kkey, byte=isbyte |
393 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
394 |
adcroft |
1.1 |
|
395 |
|
|
C Note: wVel needs to be masked |
396 |
|
|
IF (K.GE.2) THEN |
397 |
|
|
C- Compute vertical advective flux in the interior: |
398 |
|
|
IF (advectionScheme.EQ.ENUM_FLUX_LIMIT) THEN |
399 |
|
|
CALL GAD_FLUXLIMIT_ADV_R( |
400 |
|
|
& bi,bj,k,deltaTtracer,rTrans,wVel,localTijk,af,myThid) |
401 |
|
|
ELSEIF (advectionScheme.EQ.ENUM_DST3 ) THEN |
402 |
adcroft |
1.2 |
CALL GAD_DST3_ADV_R( |
403 |
|
|
& bi,bj,k,deltaTtracer,rTrans,wVel,localTijk,af,myThid) |
404 |
adcroft |
1.1 |
ELSEIF (advectionScheme.EQ.ENUM_DST3_FLUX_LIMIT ) THEN |
405 |
adcroft |
1.2 |
CALL GAD_DST3FL_ADV_R( |
406 |
|
|
& bi,bj,k,deltaTtracer,rTrans,wVel,localTijk,af,myThid) |
407 |
adcroft |
1.1 |
ELSE |
408 |
|
|
STOP 'GAD_ADVECTION: adv. scheme incompatibale with mutli-dim' |
409 |
|
|
ENDIF |
410 |
|
|
C- Surface "correction" term at k>1 : |
411 |
|
|
DO j=1-Oly,sNy+Oly |
412 |
|
|
DO i=1-Olx,sNx+Olx |
413 |
|
|
af(i,j) = af(i,j) |
414 |
|
|
& + (maskC(i,j,k,bi,bj)-maskC(i,j,k-1,bi,bj))* |
415 |
|
|
& rTrans(i,j)*localTijk(i,j,k) |
416 |
|
|
ENDDO |
417 |
|
|
ENDDO |
418 |
|
|
ELSE |
419 |
|
|
C- Surface "correction" term at k=1 : |
420 |
|
|
DO j=1-Oly,sNy+Oly |
421 |
|
|
DO i=1-Olx,sNx+Olx |
422 |
|
|
af(i,j) = rTrans(i,j)*localTijk(i,j,k) |
423 |
|
|
ENDDO |
424 |
|
|
ENDDO |
425 |
|
|
ENDIF |
426 |
|
|
C- add the advective flux to fVerT |
427 |
|
|
DO j=1-Oly,sNy+Oly |
428 |
|
|
DO i=1-Olx,sNx+Olx |
429 |
|
|
fVerT(i,j,kUp) = af(i,j) |
430 |
|
|
ENDDO |
431 |
|
|
ENDDO |
432 |
|
|
|
433 |
|
|
C-- Divergence of fluxes |
434 |
|
|
kp1=min(Nr,k+1) |
435 |
|
|
kp1Msk=1. |
436 |
|
|
if (k.EQ.Nr) kp1Msk=0. |
437 |
|
|
DO j=1-Oly,sNy+Oly |
438 |
|
|
DO i=1-Olx,sNx+Olx |
439 |
|
|
localTij(i,j)=localTijk(i,j,k)-deltaTtracer* |
440 |
|
|
& _recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
441 |
|
|
& *recip_rA(i,j,bi,bj) |
442 |
|
|
& *( fVerT(i,j,kUp)-fVerT(i,j,kDown) |
443 |
|
|
& -tracer(i,j,k,bi,bj)*rA(i,j,bi,bj)* |
444 |
|
|
& (wVel(i,j,k,bi,bj)-kp1Msk*wVel(i,j,kp1,bi,bj)) |
445 |
|
|
& )*rkFac |
446 |
|
|
gTracer(i,j,k,bi,bj)= |
447 |
|
|
& (localTij(i,j)-tracer(i,j,k,bi,bj))/deltaTtracer |
448 |
|
|
ENDDO |
449 |
|
|
ENDDO |
450 |
|
|
|
451 |
|
|
C-- End of K loop for vertical flux |
452 |
|
|
ENDDO |
453 |
|
|
|
454 |
|
|
RETURN |
455 |
|
|
END |