pkg/mom_fluxform/mom_u_yviscflux.F

6d54cf9ca1 Ed H*0001 #include "MOM_FLUXFORM_OPTIONS.h"
aea29c8517 Alis*0002
71207ba845 Alis*0003 CBOP
                0004 C !ROUTINE: MOM_U_YVISCFLUX
                0005
                0006 C !INTERFACE: ==========================================================
aea29c8517 Alis*0007       SUBROUTINE MOM_U_YVISCFLUX(
                0008      I        bi,bj,k,
                0009      I        uFld, del2u, hFacZ,
                0010      O        yViscFluxU,
998681995e Bayl*0011      I        viscAh_Z,viscA4_Z,
eaba2fd266 Jean*0012      I        myThid )
aea29c8517 Alis*0013
71207ba845 Alis*0014 C !DESCRIPTION:
                0015 C Calculates the area integrated meridional viscous fluxes of U:
                0016 C \begin{equation*}
                0017 C F^y = - \frac{ \Delta y_v \Delta r_f h_z }{\Delta y_u}
                0018 C  ( A_h \delta_j u - A_4 \delta_j \nabla^2 u )
                0019 C \end{equation*}
                0020
                0021 C !USES: ===============================================================
                0022       IMPLICIT NONE
aea29c8517 Alis*0023 #include "SIZE.h"
                0024 #include "EEPARAMS.h"
                0025 #include "PARAMS.h"
                0026 #include "GRID.h"
                0027
71207ba845 Alis*0028 C !INPUT PARAMETERS: ===================================================
                0029 C  bi,bj                :: tile indices
                0030 C  k                    :: vertical level
                0031 C  uFld                 :: zonal flow
                0032 C  del2u                :: Laplacian of zonal flow
                0033 C  myThid               :: thread number
aea29c8517 Alis*0034       INTEGER bi,bj,k
                0035       _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
                0036       _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
                0037       _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
05b9f17ae6 Bayl*0038       _RL viscAh_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
                0039       _RL viscA4_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
aea29c8517 Alis*0040       INTEGER myThid
                0041
71207ba845 Alis*0042 C !OUTPUT PARAMETERS: ==================================================
                0043 C  yViscFluxU           :: viscous fluxes
                0044       _RL yViscFluxU(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
                0045
                0046 C !LOCAL VARIABLES: ====================================================
                0047 C  i,j                  :: loop indices
aea29c8517 Alis*0048       INTEGER I,J
71207ba845 Alis*0049 CEOP
aea29c8517 Alis*0050
                0051 C     - Laplacian  and bi-harmonic terms
                0052       DO j=1-Oly+1,sNy+Oly
                0053        DO i=1-Olx,sNx+Olx
                0054         yViscFluxU(i,j) =
eaba2fd266 Jean*0055      &    _dxV(i,j,bi,bj)*drF(k)*hFacZ(i,j)
aea29c8517 Alis*0056      &     *(
eaba2fd266 Jean*0057      &       -viscAh_Z(i,j)*( uFld(i,j)-uFld(i,j-1) )
aea29c8517 Alis*0058 #ifdef ISOTROPIC_COS_SCALING
                0059      &       *cosFacV(J,bi,bj)
                0060 #endif
eaba2fd266 Jean*0061      &       +viscA4_Z(i,j)*(del2u(i,j)-del2u(i,j-1))
aea29c8517 Alis*0062 #ifdef ISOTROPIC_COS_SCALING
                0063 #ifdef COSINEMETH_III
eaba2fd266 Jean*0064      &       *sqCosFacV(J,bi,bj)
aea29c8517 Alis*0065 #else
eaba2fd266 Jean*0066      &       *cosFacV(J,bi,bj)
aea29c8517 Alis*0067 #endif
                0068 #endif
                0069      &      )*_recip_dyU(i,j,bi,bj)
eaba2fd266 Jean*0070 c    &       *deepFacC(k)        ! dxV scaling factor
                0071 c    &       *recip_deepFacC(k)  ! recip_dyU scaling factor
aea29c8517 Alis*0072        ENDDO
                0073       ENDDO
                0074
                0075       RETURN
                0076       END