/[MITgcm]/MITgcm/pkg/mom_vecinv/mom_vecinv.F
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revision 1.42 by jmc, Wed Jun 22 00:33:14 2005 UTC revision 1.43 by jmc, Sat Jul 30 22:05:36 2005 UTC
# Line 5  C $Name$ Line 5  C $Name$
5    
6        SUBROUTINE MOM_VECINV(        SUBROUTINE MOM_VECINV(
7       I        bi,bj,iMin,iMax,jMin,jMax,k,kUp,kDown,       I        bi,bj,iMin,iMax,jMin,jMax,k,kUp,kDown,
8       I        dPhiHydX,dPhiHydY,KappaRU,KappaRV,       I        KappaRU, KappaRV,
9       U        fVerU, fVerV,       U        fVerU, fVerV,
10       O        guDiss, gvDiss,       O        guDiss, gvDiss,
11       I        myTime, myIter, myThid)       I        myTime, myIter, myThid)
# Line 42  C     == Global variables == Line 42  C     == Global variables ==
42  C     == Routine arguments ==  C     == Routine arguments ==
43  C     fVerU  :: Flux of momentum in the vertical direction, out of the upper  C     fVerU  :: Flux of momentum in the vertical direction, out of the upper
44  C     fVerV  :: face of a cell K ( flux into the cell above ).  C     fVerV  :: face of a cell K ( flux into the cell above ).
 C     dPhiHydX,Y :: Gradient (X & Y dir.) of Hydrostatic Potential  
45  C     guDiss :: dissipation tendency (all explicit terms), u component  C     guDiss :: dissipation tendency (all explicit terms), u component
46  C     gvDiss :: dissipation tendency (all explicit terms), v component  C     gvDiss :: dissipation tendency (all explicit terms), v component
47  C     bi, bj, iMin, iMax, jMin, jMax - Range of points for which calculation  C     bi, bj, iMin, iMax, jMin, jMax - Range of points for which calculation
48  C                                      results will be set.  C                                      results will be set.
49  C     kUp, kDown                     - Index for upper and lower layers.  C     kUp, kDown                     - Index for upper and lower layers.
50  C     myThid - Instance number for this innvocation of CALC_MOM_RHS  C     myThid - Instance number for this innvocation of CALC_MOM_RHS
       _RL dPhiHydX(1-Olx:sNx+Olx,1-Oly:sNy+Oly)  
       _RL dPhiHydY(1-Olx:sNx+Olx,1-Oly:sNy+Oly)  
51        _RL KappaRU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)        _RL KappaRU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
52        _RL KappaRV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)        _RL KappaRV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
53        _RL fVerU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)        _RL fVerU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,2)
# Line 89  C     I,J,K - Loop counters Line 86  C     I,J,K - Loop counters
86        INTEGER i,j,k        INTEGER i,j,k
87  C     xxxFac - On-off tracer parameters used for switching terms off.  C     xxxFac - On-off tracer parameters used for switching terms off.
88        _RL  ArDudrFac        _RL  ArDudrFac
       _RL  phxFac  
89  c     _RL  mtFacU  c     _RL  mtFacU
90        _RL  ArDvdrFac        _RL  ArDvdrFac
       _RL  phyFac  
91  c     _RL  mtFacV  c     _RL  mtFacV
92        LOGICAL bottomDragTerms        LOGICAL bottomDragTerms
93        LOGICAL writeDiag        LOGICAL writeDiag
# Line 160  C--   Term by term tracer parmeters Line 155  C--   Term by term tracer parmeters
155  C     o U momentum equation  C     o U momentum equation
156        ArDudrFac    = vfFacMom*1.        ArDudrFac    = vfFacMom*1.
157  c     mTFacU       = mtFacMom*1.  c     mTFacU       = mtFacMom*1.
       phxFac       = pfFacMom*1.  
158  C     o V momentum equation  C     o V momentum equation
159        ArDvdrFac    = vfFacMom*1.        ArDvdrFac    = vfFacMom*1.
160  c     mTFacV       = mtFacMom*1.  c     mTFacV       = mtFacMom*1.
       phyFac       = pfFacMom*1.  
161    
162        IF (     no_slip_bottom        IF (     no_slip_bottom
163       &    .OR. bottomDragQuadratic.NE.0.       &    .OR. bottomDragQuadratic.NE.0.
# Line 174  c     mTFacV       = mtFacMom*1. Line 167  c     mTFacV       = mtFacMom*1.
167         bottomDragTerms=.FALSE.         bottomDragTerms=.FALSE.
168        ENDIF        ENDIF
169    
 C-- with stagger time stepping, grad Phi_Hyp is directly incoporated in TIMESTEP  
       IF (staggerTimeStep) THEN  
         phxFac = 0.  
         phyFac = 0.  
       ENDIF  
   
170  C--   Calculate open water fraction at vorticity points  C--   Calculate open water fraction at vorticity points
171        CALL MOM_CALC_HFACZ(bi,bj,k,hFacZ,r_hFacZ,myThid)        CALL MOM_CALC_HFACZ(bi,bj,k,hFacZ,r_hFacZ,myThid)
172    
# Line 256  C--   Vertical flux (fVer is at upper fa Line 243  C--   Vertical flux (fVer is at upper fa
243    
244  C     Eddy component of vertical flux (interior component only) -> vrF  C     Eddy component of vertical flux (interior component only) -> vrF
245        IF (momViscosity.AND..NOT.implicitViscosity) THEN        IF (momViscosity.AND..NOT.implicitViscosity) THEN
246         CALL MOM_U_RVISCFLUX(bi,bj,k,uVel,KappaRU,vrF,myThid)         IF ( k.LT.Nr ) THEN
247             CALL MOM_U_RVISCFLUX(bi,bj,k+1,uVel,KappaRU,vrF,myThid)
248           ENDIF
249    
250  C     Combine fluxes  C     Combine fluxes
251         DO j=jMin,jMax         DO j=jMin,jMax
# Line 316  C--   Vertical flux (fVer is at upper fa Line 305  C--   Vertical flux (fVer is at upper fa
305    
306  C     Eddy component of vertical flux (interior component only) -> vrF  C     Eddy component of vertical flux (interior component only) -> vrF
307        IF (momViscosity.AND..NOT.implicitViscosity) THEN        IF (momViscosity.AND..NOT.implicitViscosity) THEN
308         CALL MOM_V_RVISCFLUX(bi,bj,k,vVel,KappaRV,vrf,myThid)         IF ( k.LT.Nr ) THEN
309             CALL MOM_V_RVISCFLUX(bi,bj,k+1,vVel,KappaRV,vrF,myThid)
310           ENDIF
311    
312  C     Combine fluxes -> fVerV  C     Combine fluxes -> fVerV
313         DO j=jMin,jMax         DO j=jMin,jMax
# Line 387  C- jmc: change it to keep the Coriolis t Line 378  C- jmc: change it to keep the Coriolis t
378         ENDIF         ENDIF
379         DO j=jMin,jMax         DO j=jMin,jMax
380          DO i=iMin,iMax          DO i=iMin,iMax
381           gU(i,j,k,bi,bj) = uCf(i,j) - phxFac*dPhiHydX(i,j)           gU(i,j,k,bi,bj) = uCf(i,j)
382           gV(i,j,k,bi,bj) = vCf(i,j) - phyFac*dPhiHydY(i,j)           gV(i,j,k,bi,bj) = vCf(i,j)
383          ENDDO          ENDDO
384         ENDDO         ENDDO
385         IF ( writeDiag ) THEN         IF ( writeDiag ) THEN
# Line 408  C- jmc: change it to keep the Coriolis t Line 399  C- jmc: change it to keep the Coriolis t
399        ELSE        ELSE
400         DO j=jMin,jMax         DO j=jMin,jMax
401          DO i=iMin,iMax          DO i=iMin,iMax
402           gU(i,j,k,bi,bj) = -phxFac*dPhiHydX(i,j)           gU(i,j,k,bi,bj) = 0. _d 0
403           gV(i,j,k,bi,bj) = -phyFac*dPhiHydY(i,j)           gV(i,j,k,bi,bj) = 0. _d 0
404          ENDDO          ENDDO
405         ENDDO         ENDDO
406        ENDIF        ENDIF
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