pkg/mom_fluxform/mom_v_del2v.F

6d54cf9ca1 Ed H*0001 #include "MOM_FLUXFORM_OPTIONS.h"
aea29c8517 Alis*0002
71207ba845 Alis*0003 CBOP
                0004 C !ROUTINE: MOM_V_DEL2V
                0005
                0006 C !INTERFACE: ==========================================================
aea29c8517 Alis*0007       SUBROUTINE MOM_V_DEL2V(
fd362e9f7c Jean*0008      I        bi, bj, k,
                0009      I        vFld, hFacZ, h0FacZ,
aea29c8517 Alis*0010      O        del2v,
fd362e9f7c Jean*0011      I        myThid )
aea29c8517 Alis*0012
71207ba845 Alis*0013 C !DESCRIPTION:
                0014 C Calculates the Laplacian of meridional flow
                0015
                0016 C !USES: ===============================================================
                0017       IMPLICIT NONE
aea29c8517 Alis*0018 #include "SIZE.h"
                0019 #include "EEPARAMS.h"
                0020 #include "PARAMS.h"
                0021 #include "GRID.h"
bf5496678a Jean*0022 #include "SURFACE.h"
aea29c8517 Alis*0023
71207ba845 Alis*0024 C !INPUT PARAMETERS: ===================================================
                0025 C  bi,bj                :: tile indices
                0026 C  k                    :: vertical level
                0027 C  vFld                 :: meridional flow
                0028 C  hFacZ                :: fractional thickness at vorticity points
fd362e9f7c Jean*0029 C  h0FacZ               :: fixed fractional thickness at vorticity points
                0030 C  myThid               :: my Thread Id number
                0031       INTEGER bi, bj, k
                0032       _RL vFld  (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
                0033       _RS hFacZ (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
                0034       _RS h0FacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
aea29c8517 Alis*0035       INTEGER myThid
71207ba845 Alis*0036 C !OUTPUT PARAMETERS: ==================================================
                0037 C  del2v                :: Laplacian
                0038       _RL del2v(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
aea29c8517 Alis*0039
71207ba845 Alis*0040 C !LOCAL VARIABLES: ====================================================
                0041 C  i,j                  :: loop indices
aea29c8517 Alis*0042       INTEGER I,J
                0043       _RL fZon(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
                0044       _RL fMer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
fd362e9f7c Jean*0045       _RS hFacZClosedE, hFacZClosedW
71207ba845 Alis*0046 CEOP
aea29c8517 Alis*0047
                0048 C     Zonal flux d/dx V
fd362e9f7c Jean*0049       DO j=1-OLy+1,sNy+OLy-1
                0050        DO i=1-OLx+1,sNx+OLx
aea29c8517 Alis*0051         fZon(i,j) = drF(k)*hFacZ(i,j)
                0052      &   *_dyU(i,j,bi,bj)
                0053      &   *_recip_dxV(i,j,bi,bj)
                0054      &   *(vFld(i,j)-vFld(i-1,j))
                0055 #ifdef COSINEMETH_III
eaba2fd266 Jean*0056      &   *sqCosFacV(J,bi,bj)
aea29c8517 Alis*0057 #endif
eaba2fd266 Jean*0058 c    &   *deepFacC(k)        ! dyU scaling factor
                0059 c    &   *recip_deepFacC(k)  ! recip_dxV scaling factor
aea29c8517 Alis*0060        ENDDO
                0061       ENDDO
                0062
                0063 C     Meridional flux d/dy V
fd362e9f7c Jean*0064       DO j=1-OLy,sNy+OLy-1
                0065        DO i=1-OLx+1,sNx+OLx-1
aea29c8517 Alis*0066         fMer(i,j) = drF(k)*_hFacC(i,j,k,bi,bj)
                0067      &   *_dxF(i,j,bi,bj)
                0068      &   *_recip_dyF(i,j,bi,bj)
                0069      &   *(vFld(i,j+1)-vFld(i,j))
5bc29fe512 Mart*0070 #if (defined (ISOTROPIC_COS_SCALING) && defined (COSINEMETH_III))
eaba2fd266 Jean*0071      &   *sqCosFacU(J,bi,bj)
5bc29fe512 Mart*0072 #endif
b72a39145f Jean*0073 #ifdef ALLOW_OBCS
                0074      &   *maskInC(i,j,bi,bj)
                0075 #endif
eaba2fd266 Jean*0076 c    &   *deepFacC(k)        ! dxF scaling factor
                0077 c    &   *recip_deepFacC(k)  ! recip_dyF scaling factor
aea29c8517 Alis*0078        ENDDO
                0079       ENDDO
                0080
a67f2474bd Jean*0081 C     del^2 V
fd362e9f7c Jean*0082       DO j=1-OLy+1,sNy+OLy-1
                0083        DO i=1-OLx+1,sNx+OLx-1
eaba2fd266 Jean*0084         del2v(i,j) =
                0085      &   recip_drF(k)*_recip_hFacS(i,j,k,bi,bj)
                0086      &  *recip_rAs(i,j,bi,bj)*recip_deepFac2C(k)
aea29c8517 Alis*0087      &  *( fZon(i+1,j)    - fZon(i, j )
                0088      &    +fMer( i ,j)    - fMer(i,j-1)
                0089      &   )*_maskS(i,j,k,bi,bj)
b72a39145f Jean*0090 #ifdef ALLOW_OBCS
                0091      &    *maskInS(i,j,bi,bj)
                0092 #endif
aea29c8517 Alis*0093        ENDDO
                0094       ENDDO
                0095
                0096       IF (no_slip_sides) THEN
                0097 C-- No-slip BCs impose a drag at walls...
fd362e9f7c Jean*0098        DO j=1-OLy+1,sNy+OLy-1
                0099         DO i=1-OLx+1,sNx+OLx-1
bf5496678a Jean*0100 #ifdef NONLIN_FRSURF
fd362e9f7c Jean*0101          hFacZClosedW = h0FacS(i,j,k,bi,bj) - h0FacZ(i,j)
                0102          hFacZClosedE = h0FacS(i,j,k,bi,bj) - h0FacZ(i+1,j)
bf5496678a Jean*0103 #else
fd362e9f7c Jean*0104          hFacZClosedW = _hFacS(i,j,k,bi,bj) - h0FacZ(i,j)
                0105          hFacZClosedE = _hFacS(i,j,k,bi,bj) - h0FacZ(i+1,j)
bf5496678a Jean*0106 #endif
                0107          del2v(i,j) = del2v(i,j)
                0108      &    -_recip_hFacS(i,j,k,bi,bj)
                0109      &       *recip_rAs(i,j,bi,bj)*recip_deepFac2C(k)
                0110      &       *( hFacZClosedW*dyU( i ,j,bi,bj)
                0111      &                      *_recip_dxV( i ,j,bi,bj)
                0112      &         +hFacZClosedE*dyU(i+1,j,bi,bj)
                0113      &                      *_recip_dxV(i+1,j,bi,bj)
                0114      &        )*vFld(i,j)*sideDragFactor
                0115      &         *_maskS(i,j,k,bi,bj)
                0116         ENDDO
aea29c8517 Alis*0117        ENDDO
                0118       ENDIF
                0119
                0120       RETURN
                0121       END