/[MITgcm]/MITgcm/model/src/dynamics.F
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revision 1.39 by adcroft, Tue Dec 8 19:44:28 1998 UTC revision 1.43 by adcroft, Mon May 24 15:42:23 1999 UTC
# Line 20  C     | ===== Line 20  C     | =====
20  C     | C*P* comments indicating place holders for which code is |  C     | C*P* comments indicating place holders for which code is |
21  C     |      presently being developed.                          |  C     |      presently being developed.                          |
22  C     \==========================================================/  C     \==========================================================/
23          IMPLICIT NONE
24    
25  C     == Global variables ===  C     == Global variables ===
26  #include "SIZE.h"  #include "SIZE.h"
# Line 27  C     == Global variables === Line 28  C     == Global variables ===
28  #include "CG2D.h"  #include "CG2D.h"
29  #include "PARAMS.h"  #include "PARAMS.h"
30  #include "DYNVARS.h"  #include "DYNVARS.h"
31    #include "GRID.h"
32    #ifdef ALLOW_KPP
33    #include "KPPMIX.h"
34    #endif
35    
36  C     == Routine arguments ==  C     == Routine arguments ==
37  C     myTime - Current time in simulation  C     myTime - Current time in simulation
# Line 117  C                      index into fVerTe Line 122  C                      index into fVerTe
122        _RL KapGM   (1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL KapGM   (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
123        _RL KappaRT (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)        _RL KappaRT (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
124        _RL KappaRS (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)        _RL KappaRS (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
125          _RL KappaRU (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
126          _RL KappaRV (1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr)
127    
128        INTEGER iMin, iMax        INTEGER iMin, iMax
129        INTEGER jMin, jMax        INTEGER jMin, jMax
# Line 251  C--     Update fields in top level accor Line 258  C--     Update fields in top level accor
258          CALL CORRECTION_STEP(          CALL CORRECTION_STEP(
259       I       bi,bj,iMin,iMax,jMin,jMax,K,       I       bi,bj,iMin,iMax,jMin,jMax,K,
260       I       etaSurfX,etaSurfY,myTime,myThid)       I       etaSurfX,etaSurfY,myTime,myThid)
261    #ifdef ALLOW_OBCS
262          IF (openBoundaries) CALL APPLY_OBCS1( bi, bj, K, myThid )          IF (openBoundaries) CALL APPLY_OBCS1( bi, bj, K, myThid )
263    #endif
264          IF ( .NOT. BOTTOM_LAYER ) THEN          IF ( .NOT. BOTTOM_LAYER ) THEN
265  C--      Update fields in layer below according to tendency terms  C--      Update fields in layer below according to tendency terms
266           CALL CORRECTION_STEP(           CALL CORRECTION_STEP(
267       I        bi,bj,iMin,iMax,jMin,jMax,K+1,       I        bi,bj,iMin,iMax,jMin,jMax,K+1,
268       I        etaSurfX,etaSurfY,myTime,myThid)       I        etaSurfX,etaSurfY,myTime,myThid)
269    #ifdef ALLOW_OBCS
270           IF (openBoundaries) CALL APPLY_OBCS1( bi, bj, K+1, myThid )           IF (openBoundaries) CALL APPLY_OBCS1( bi, bj, K+1, myThid )
271    #endif
272          ENDIF          ENDIF
273  #endif  #endif
274  C--     Density of 1st level (below W(1)) reference to level 1  C--     Density of 1st level (below W(1)) reference to level 1
# Line 268  C--     Density of 1st level (below W(1) Line 279  C--     Density of 1st level (below W(1)
279       I     myThid )       I     myThid )
280  #endif  #endif
281    
282          IF ( .NOT. BOTTOM_LAYER ) THEN          IF (       (.NOT. BOTTOM_LAYER)
283    #ifdef ALLOW_KPP
284         &       .AND. (.NOT.usingKPPmixing) ! CONVECT not needed with KPP mixing
285    #endif
286         &     ) THEN
287  C--      Check static stability with layer below  C--      Check static stability with layer below
288  C--      and mix as needed.  C--      and mix as needed.
289  #ifdef  INCLUDE_FIND_RHO_CALL  #ifdef  INCLUDE_FIND_RHO_CALL
# Line 310  C--       Update fields in layer below a Line 325  C--       Update fields in layer below a
325            CALL CORRECTION_STEP(            CALL CORRECTION_STEP(
326       I         bi,bj,iMin,iMax,jMin,jMax,K+1,       I         bi,bj,iMin,iMax,jMin,jMax,K+1,
327       I         etaSurfX,etaSurfY,myTime,myThid)       I         etaSurfX,etaSurfY,myTime,myThid)
328    #ifdef ALLOW_OBCS
329            IF (openBoundaries) CALL APPLY_OBCS1( bi, bj, K+1, myThid )            IF (openBoundaries) CALL APPLY_OBCS1( bi, bj, K+1, myThid )
330    #endif
331           ENDIF           ENDIF
332  #endif  #endif
333  C--      Density of K level (below W(K)) reference to K level  C--      Density of K level (below W(K)) reference to K level
# Line 320  C--      Density of K level (below W(K)) Line 337  C--      Density of K level (below W(K))
337       O      rhoK,       O      rhoK,
338       I      myThid )       I      myThid )
339  #endif  #endif
340           IF ( .NOT. BOTTOM_LAYER ) THEN           IF (       (.NOT. BOTTOM_LAYER)
341    #ifdef ALLOW_KPP
342         &       .AND. (.NOT.usingKPPmixing) ! CONVECT not needed with KPP mixing
343    #endif
344         &      ) THEN
345  C--       Check static stability with layer below and mix as needed.  C--       Check static stability with layer below and mix as needed.
346  C--       Density of K+1 level (below W(K+1)) reference to K level.  C--       Density of K+1 level (below W(K+1)) reference to K level.
347  #ifdef  INCLUDE_FIND_RHO_CALL  #ifdef  INCLUDE_FIND_RHO_CALL
# Line 377  C--      Calculate iso-neutral slopes fo Line 398  C--      Calculate iso-neutral slopes fo
398           ENDDO           ENDDO
399          ENDDO ! K          ENDDO ! K
400    
401    #ifdef ALLOW_KPP
402    C--     Compute KPP mixing coefficients
403            IF (usingKPPmixing) THEN
404             CALL TIMER_START('KVMIX (FIND KPP COEFFICIENTS) [DYNAMICS]'
405         I          , myThid)
406             CALL KVMIX(
407         I               bi, bj, myTime, myThid )
408             CALL TIMER_STOP ('KVMIX (FIND KPP COEFFICIENTS) [DYNAMICS]'
409         I        , myThid)
410            ENDIF
411    #endif
412    
413          DO K = Nr, 1, -1          DO K = Nr, 1, -1
414    
415           kM1  =max(1,k-1)   ! Points to level above k (=k-1)           kM1  =max(1,k-1)   ! Points to level above k (=k-1)
# Line 397  C--      Calculate the total vertical di Line 430  C--      Calculate the total vertical di
430           CALL CALC_DIFFUSIVITY(           CALL CALC_DIFFUSIVITY(
431       I        bi,bj,iMin,iMax,jMin,jMax,K,       I        bi,bj,iMin,iMax,jMin,jMax,K,
432       I        maskC,maskUp,KapGM,K33,       I        maskC,maskUp,KapGM,K33,
433       O        KappaRT,KappaRS,       O        KappaRT,KappaRS,KappaRU,KappaRV,
434       I        myThid)       I        myThid)
435  #endif  #endif
436  C--      Calculate accelerations in the momentum equations  C--      Calculate accelerations in the momentum equations
# Line 405  C--      Calculate accelerations in the Line 438  C--      Calculate accelerations in the
438            CALL CALC_MOM_RHS(            CALL CALC_MOM_RHS(
439       I         bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown,       I         bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown,
440       I         xA,yA,uTrans,vTrans,rTrans,rVel,maskC,       I         xA,yA,uTrans,vTrans,rTrans,rVel,maskC,
441       I         phiHyd,       I         phiHyd,KappaRU,KappaRV,
442       U         aTerm,xTerm,cTerm,mTerm,pTerm,       U         aTerm,xTerm,cTerm,mTerm,pTerm,
443       U         fZon, fMer, fVerU, fVerV,       U         fZon, fMer, fVerU, fVerV,
444       I         myTime, myThid)       I         myTime, myThid)
# Line 431  C--      Prediction step (step forward a Line 464  C--      Prediction step (step forward a
464           CALL TIMESTEP(           CALL TIMESTEP(
465       I       bi,bj,iMin,iMax,jMin,jMax,K,       I       bi,bj,iMin,iMax,jMin,jMax,K,
466       I       myThid)       I       myThid)
467    #ifdef ALLOW_OBCS
468    C--      Apply open boundary conditions
469           IF (openBoundaries) CALL APPLY_OBCS2( bi, bj, K, myThid )           IF (openBoundaries) CALL APPLY_OBCS2( bi, bj, K, myThid )
470    #endif
471    C--      Freeze water
472             IF (allowFreezing)
473         &   CALL FREEZE( bi, bj, iMin, iMax, jMin, jMax, K, myThid )
474  C--      Diagnose barotropic divergence of predicted fields  C--      Diagnose barotropic divergence of predicted fields
475           CALL CALC_DIV_GHAT(           CALL CALC_DIV_GHAT(
476       I       bi,bj,iMin,iMax,jMin,jMax,K,       I       bi,bj,iMin,iMax,jMin,jMax,K,
# Line 452  C--      Cumulative diagnostic calculati Line 491  C--      Cumulative diagnostic calculati
491    
492  C--     Implicit diffusion  C--     Implicit diffusion
493          IF (implicitDiffusion) THEN          IF (implicitDiffusion) THEN
494           CALL IMPLDIFF( bi, bj, iMin, iMax, jMin, jMax,           IF (tempStepping) CALL IMPLDIFF(
495       I                  KappaRT,KappaRS,       I         bi, bj, iMin, iMax, jMin, jMax,
496       I                  myThid )       I         deltaTtracer, KappaRT,recip_HFacC,
497          ENDIF       U         gTNm1,
498         I         myThid )
499             IF (saltStepping) CALL IMPLDIFF(
500         I         bi, bj, iMin, iMax, jMin, jMax,
501         I         deltaTtracer, KappaRS,recip_HFacC,
502         U         gSNm1,
503         I         myThid )
504             IF (momStepping) THEN
505              CALL IMPLDIFF(
506         I         bi, bj, iMin, iMax, jMin, jMax,
507         I         deltaTmom, KappaRU,recip_HFacW,
508         U         gUNm1,
509         I         myThid )
510              CALL IMPLDIFF(
511         I         bi, bj, iMin, iMax, jMin, jMax,
512         I         deltaTmom, KappaRV,recip_HFacS,
513         U         gVNm1,
514         I         myThid )
515    #ifdef INCLUDE_CD_CODE
516              CALL IMPLDIFF(
517         I         bi, bj, iMin, iMax, jMin, jMax,
518         I         deltaTmom, KappaRU,recip_HFacW,
519         U         vVelD,
520         I         myThid )
521              CALL IMPLDIFF(
522         I         bi, bj, iMin, iMax, jMin, jMax,
523         I         deltaTmom, KappaRV,recip_HFacS,
524         U         uVelD,
525         I         myThid )
526    #endif
527             ENDIF ! momStepping
528            ENDIF ! implicitDiffusion
529    
530         ENDDO         ENDDO
531        ENDDO        ENDDO
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