pkg/mom_fluxform/mom_v_rviscflux.F

C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/mom_v_rviscflux.F,v 1.2 2001/05/29 14:01:38 adcroft Exp $
C $Name:  $

#include "CPP_OPTIONS.h"

CBOP
C !ROUTINE: MOM_V_RVISCFLUX

C !INTERFACE: ==========================================================
      SUBROUTINE MOM_V_RVISCFLUX(
     I        bi,bj,k,
     I        vFld, KappaRV,
     O        rViscFluxV,
     I        myThid)

C !DESCRIPTION:
C Calculates the area integrated vertical viscous fluxes of V:
C \begin{equation*}
C F^r = - \frac{ {\cal A}_s }{\Delta r_c} A_r \delta_k v
C \end{equation*}

C !USES: ===============================================================
      IMPLICIT NONE
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"

C !INPUT PARAMETERS: ===================================================
C  bi,bj                :: tile indices
C  k                    :: vertical level
C  vFld                 :: meridional flow
C  KappaRV              :: vertical viscosity
C  myThid               :: thread number
      INTEGER bi,bj,k
      _RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL KappaRV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
      INTEGER myThid

C !OUTPUT PARAMETERS: ==================================================
C  rViscFluxV           :: viscous fluxes
      _RL rViscFluxV(1-OLx:sNx+OLx,1-OLy:sNy+OLy)

C !LOCAL VARIABLES: ====================================================
C  i,j                  :: loop indices
C  Kp1                  :: =k+1 for k<Nr, k=Nr for k>=Nr
      INTEGER I,J,Kp1
CEOP

      Kp1=min(K+1,Nr)

C     - Laplacian  and bi-harmonic terms
      DO j=1-Oly,sNy+Oly-1
       DO i=1-Olx,sNx+Olx-1
        rViscFluxV(i,j) =
     &   -KappaRV(i,j,kp1)
     &   *rAs(i,j,bi,bj)
     &   *( vFld(i,j,k,bi,bj)-vFld(i,j,kp1,bi,bj)
     &    )*rkFac*recip_drC(kp1)
     &    *_maskS(i,j,kp1,bi,bj)
       ENDDO
      ENDDO

      RETURN
      END
1	adcroft	1.3	C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/mom_v_rviscflux.F,v 1.2 2001/05/29 14:01:38 adcroft Exp $
2			C $Name: $
3	adcroft	1.2
4			#include "CPP_OPTIONS.h"
5
6	adcroft	1.3	CBOP
7			C !ROUTINE: MOM_V_RVISCFLUX
8
9			C !INTERFACE: ==========================================================
10	adcroft	1.2	SUBROUTINE MOM_V_RVISCFLUX(
11			I bi,bj,k,
12			I vFld, KappaRV,
13			O rViscFluxV,
14			I myThid)
15	adcroft	1.3
16			C !DESCRIPTION:
17			C Calculates the area integrated vertical viscous fluxes of V:
18			C \begin{equation*}
19			C F^r = - \frac{ {\cal A}_s }{\Delta r_c} A_r \delta_k v
20			C \end{equation*}
21
22			C !USES: ===============================================================
23	adcroft	1.2	IMPLICIT NONE
24			#include "SIZE.h"
25			#include "EEPARAMS.h"
26			#include "PARAMS.h"
27			#include "GRID.h"
28
29	adcroft	1.3	C !INPUT PARAMETERS: ===================================================
30			C bi,bj :: tile indices
31			C k :: vertical level
32			C vFld :: meridional flow
33			C KappaRV :: vertical viscosity
34			C myThid :: thread number
35	adcroft	1.2	INTEGER bi,bj,k
36			_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
37			_RL KappaRV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
38	adcroft	1.3	INTEGER myThid
39
40			C !OUTPUT PARAMETERS: ==================================================
41			C rViscFluxV :: viscous fluxes
42	adcroft	1.2	_RL rViscFluxV(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
43
44	adcroft	1.3	C !LOCAL VARIABLES: ====================================================
45			C i,j :: loop indices
46			C Kp1 :: =k+1 for k<Nr, k=Nr for k>=Nr
47	adcroft	1.2	INTEGER I,J,Kp1
48	adcroft	1.3	CEOP
49	adcroft	1.2
50			Kp1=min(K+1,Nr)
51
52			C - Laplacian and bi-harmonic terms
53			DO j=1-Oly,sNy+Oly-1
54			DO i=1-Olx,sNx+Olx-1
55			rViscFluxV(i,j) =
56			& -KappaRV(i,j,kp1)
57			& *rAs(i,j,bi,bj)
58			& *( vFld(i,j,k,bi,bj)-vFld(i,j,kp1,bi,bj)
59			& )rkFacrecip_drC(kp1)
60			& *_maskS(i,j,kp1,bi,bj)
61			ENDDO
62			ENDDO
63
64			RETURN
65			END