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jmc |
1.39 |
C $Header: /u/gcmpack/MITgcm/model/src/calc_gt.F,v 1.38 2002/06/20 23:45:30 jmc Exp $ |
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adcroft |
1.35 |
C $Name: $ |
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cnh |
1.1 |
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cnh |
1.19 |
#include "CPP_OPTIONS.h" |
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cnh |
1.1 |
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cnh |
1.36 |
CBOP |
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C !ROUTINE: CALC_GT |
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C !INTERFACE: |
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cnh |
1.1 |
SUBROUTINE CALC_GT( |
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I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown, |
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jmc |
1.39 |
I xA,yA,uTrans,vTrans,rTrans,rTransKp1,maskUp, |
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adcroft |
1.25 |
I KappaRT, |
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adcroft |
1.28 |
U fVerT, |
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adcroft |
1.35 |
I myTime,myIter,myThid ) |
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cnh |
1.36 |
C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE CALC_GT |
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C | o Calculate the temperature tendency terms. |
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C *==========================================================* |
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C | A procedure called EXTERNAL_FORCING_T is called from |
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C | here. These procedures can be used to add per problem |
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C | heat flux source terms. |
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C | Note: Although it is slightly counter-intuitive the |
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C | EXTERNAL_FORCING routine is not the place to put |
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C | file I/O. Instead files that are required to |
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C | calculate the external source terms are generally |
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C | read during the model main loop. This makes the |
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C | logisitics of multi-processing simpler and also |
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C | makes the adjoint generation simpler. It also |
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C | allows for I/O to overlap computation where that |
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C | is supported by hardware. |
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C | Aside from the problem specific term the code here |
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C | forms the tendency terms due to advection and mixing |
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C | The baseline implementation here uses a centered |
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C | difference form for the advection term and a tensorial |
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C | divergence of a flux form for the diffusive term. The |
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C | diffusive term is formulated so that isopycnal mixing and |
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C | GM-style subgrid-scale terms can be incorporated b simply |
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C | setting the diffusion tensor terms appropriately. |
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C *==========================================================* |
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C \ev |
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C !USES: |
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cnh |
1.1 |
IMPLICIT NONE |
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C == GLobal variables == |
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#include "SIZE.h" |
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#include "DYNVARS.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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adcroft |
1.34 |
#include "GAD.h" |
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cnh |
1.1 |
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cnh |
1.36 |
C !INPUT/OUTPUT PARAMETERS: |
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cnh |
1.1 |
C == Routine arguments == |
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cnh |
1.36 |
C fVerT :: Flux of temperature (T) in the vertical |
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C direction at the upper(U) and lower(D) faces of a cell. |
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C maskUp :: Land mask used to denote base of the domain. |
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C xA :: Tracer cell face area normal to X |
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C yA :: Tracer cell face area normal to X |
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C uTrans :: Zonal volume transport through cell face |
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C vTrans :: Meridional volume transport through cell face |
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jmc |
1.39 |
C rTrans :: Vertical volume transport at interface k |
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C rTransKp1 :: Vertical volume transport at inteface k+1 |
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cnh |
1.36 |
C bi, bj, iMin, iMax, jMin, jMax :: Range of points for which calculation |
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C results will be set. |
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C myThid :: Instance number for this innvocation of CALC_GT |
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cnh |
1.1 |
_RL fVerT (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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cnh |
1.14 |
_RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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jmc |
1.39 |
_RL rTransKp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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cnh |
1.1 |
_RS maskUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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cnh |
1.16 |
_RL KappaRT(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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adcroft |
1.3 |
INTEGER k,kUp,kDown,kM1 |
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cnh |
1.1 |
INTEGER bi,bj,iMin,iMax,jMin,jMax |
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adcroft |
1.35 |
_RL myTime |
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INTEGER myIter |
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cnh |
1.1 |
INTEGER myThid |
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cnh |
1.36 |
CEOP |
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heimbach |
1.24 |
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jmc |
1.37 |
C === Local variables === |
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LOGICAL calcAdvection |
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heimbach |
1.24 |
#ifdef ALLOW_AUTODIFF_TAMC |
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C-- only the kUp part of fverT is set in this subroutine |
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C-- the kDown is still required |
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fVerT(1,1,kDown) = fVerT(1,1,kDown) |
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adcroft |
1.20 |
#endif |
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cnh |
1.1 |
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jmc |
1.37 |
calcAdvection = tempAdvection .AND. .NOT.tempMultiDimAdvec |
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adcroft |
1.34 |
CALL GAD_CALC_RHS( |
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I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown, |
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jmc |
1.39 |
I xA,yA,uTrans,vTrans,rTrans,rTransKp1,maskUp, |
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I uVel, vVel, wVel, |
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adcroft |
1.34 |
I diffKhT, diffK4T, KappaRT, theta, |
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jmc |
1.39 |
I GAD_TEMPERATURE, tempAdvScheme, |
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I calcAdvection, tempImplVertAdv, |
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adcroft |
1.34 |
U fVerT, gT, |
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I myThid ) |
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cnh |
1.1 |
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jmc |
1.37 |
C-- External thermal forcing term(s) inside Adams-Bashforth: |
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IF ( tempForcing .AND. forcing_In_AB ) |
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& CALL EXTERNAL_FORCING_T( |
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cnh |
1.19 |
I iMin,iMax,jMin,jMax,bi,bj,k, |
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adcroft |
1.35 |
I myTime,myThid) |
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jmc |
1.37 |
IF ( tempAdamsBashforth ) THEN |
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adcroft |
1.35 |
CALL ADAMS_BASHFORTH2( |
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I bi, bj, K, |
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U gT, gTnm1, |
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I myIter, myThid ) |
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ENDIF |
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jmc |
1.37 |
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C-- External thermal forcing term(s) outside Adams-Bashforth: |
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IF ( tempForcing .AND. .NOT.forcing_In_AB ) |
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& CALL EXTERNAL_FORCING_T( |
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I iMin,iMax,jMin,jMax,bi,bj,k, |
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I myTime,myThid) |
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adcroft |
1.35 |
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#ifdef NONLIN_FRSURF |
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IF (nonlinFreeSurf.GT.0) THEN |
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CALL FREESURF_RESCALE_G( |
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I bi, bj, K, |
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U gT, |
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jmc |
1.38 |
I myThid ) |
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IF ( tempAdamsBashforth ) |
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& CALL FREESURF_RESCALE_G( |
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I bi, bj, K, |
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U gTnm1, |
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adcroft |
1.35 |
I myThid ) |
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ENDIF |
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#endif /* NONLIN_FRSURF */ |
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cnh |
1.1 |
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RETURN |
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END |
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