/[MITgcm]/MITgcm/pkg/mom_common/mom_u_sidedrag.F
ViewVC logotype

Diff of /MITgcm/pkg/mom_common/mom_u_sidedrag.F

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.5 by dimitri, Mon Apr 11 14:47:24 2005 UTC revision 1.6 by baylor, Mon Sep 26 15:27:11 2005 UTC
# Line 10  C !INTERFACE: ========================== Line 10  C !INTERFACE: ==========================
10        SUBROUTINE MOM_U_SIDEDRAG(        SUBROUTINE MOM_U_SIDEDRAG(
11       I        bi,bj,k,       I        bi,bj,k,
12       I        uFld, del2u, hFacZ,       I        uFld, del2u, hFacZ,
13         I        viscAh_Z,viscA4_Z,
14         I        harmonic,biharmonic,useVariableViscosity,
15       O        uDragTerms,       O        uDragTerms,
16       I        myThid)       I        myThid)
17    
# Line 37  C  myThid               :: thread number Line 39  C  myThid               :: thread number
39        _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
40        _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
41        _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)        _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
42          _RL viscAh_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
43          _RL viscA4_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
44          LOGICAL harmonic,biharmonic,useVariableViscosity
45        INTEGER myThid        INTEGER myThid
46    
47  C !OUTPUT PARAMETERS: ==================================================  C !OUTPUT PARAMETERS: ==================================================
# Line 49  C  hFacZClosedN         :: fractional op Line 54  C  hFacZClosedN         :: fractional op
54  C  hFacZClosedS         :: fractional open water to south  C  hFacZClosedS         :: fractional open water to south
55        INTEGER I,J        INTEGER I,J
56        _RS hFacZClosedS,hFacZClosedN        _RS hFacZClosedS,hFacZClosedN
       _RL Ahtmp,A4tmp  
57  CEOP  CEOP
58    
59  C     - Laplacian  and bi-harmonic terms  C     - Laplacian  and bi-harmonic terms
# Line 57  C     - Laplacian  and bi-harmonic terms Line 61  C     - Laplacian  and bi-harmonic terms
61         DO i=1-Olx,sNx+Olx-1         DO i=1-Olx,sNx+Olx-1
62          hFacZClosedS = _hFacW(i,j,k,bi,bj) - hFacZ(i,j)          hFacZClosedS = _hFacW(i,j,k,bi,bj) - hFacZ(i,j)
63          hFacZClosedN = _hFacW(i,j,k,bi,bj) - hFacZ(i,j+1)          hFacZClosedN = _hFacW(i,j,k,bi,bj) - hFacZ(i,j+1)
         Ahtmp=min(viscAh+viscAhGrid*rAw(i,j,bi,bj)/deltaTmom,  
      &            viscAhMax)  
         A4tmp=min(viscA4+viscA4Grid*(rAw(i,j,bi,bj)**2)/deltaTmom,  
      &            viscA4Max)  
         A4tmp=min(A4tmp,viscA4GridMax*(rAw(i,j,bi,bj)**2)/deltaTmom)  
         A4tmp=max(A4tmp,viscA4GridMin*(rAw(i,j,bi,bj)**2)/deltaTmom)  
64          uDragTerms(i,j) =          uDragTerms(i,j) =
65       &   -_recip_hFacW(i,j,k,bi,bj)       &   -_recip_hFacW(i,j,k,bi,bj)
66       &   *recip_drF(k)*recip_rAw(i,j,bi,bj)       &   *recip_drF(k)*recip_rAw(i,j,bi,bj)
67       &   *( hFacZClosedS*_dxV(i, j ,bi,bj)       &   *( hFacZClosedS*_dxV(i, j ,bi,bj)*_recip_dyU(i, j ,bi,bj)
      &      *_recip_dyU(i, j ,bi,bj)  
      &     +hFacZClosedN*_dxV(i,j+1,bi,bj)  
      &      *_recip_dyU(i,j+1,bi,bj) )  
      &   *drF(k)*2.*(  
68  #ifdef ISOTROPIC_COS_SCALING  #ifdef ISOTROPIC_COS_SCALING
69       &                viscAh*uFld(i,j)*cosFacU(J,bi,bj)       &         *(viscAh_Z(i,j  )*uFld(i,j)*cosFacU(J,bi,bj)
70  #ifdef COSINEMETH_III  #ifdef COSINEMETH_III
71       &               -viscA4*del2u(i,j)*sqcosFacU(J,bi,bj)       &           -viscA4_Z(i,j  )*del2u(i,j)*sqcosFacU(J,bi,bj))
72  #else  #else
73       &               -viscA4*del2u(i,j)*cosFacU(J,bi,bj)       &           -viscA4_Z(i,j  )*del2u(i,j)*cosFacU(J,bi,bj))
74  #endif  #endif
75  #else  #else
76       &                Ahtmp*uFld(i,j)       &         *(viscAh_Z(i,j  )*uFld(i,j)
77       &               -A4tmp*del2u(i,j)       &           -viscA4_Z(i,j  )*del2u(i,j))
78    #endif
79         &     +hFacZClosedN*_dxV(i,j+1,bi,bj)*_recip_dyU(i,j+1,bi,bj)
80    #ifdef ISOTROPIC_COS_SCALING
81         &         *(viscAh_Z(i,j+1)*uFld(i,j)*cosFacU(J,bi,bj)
82    #ifdef COSINEMETH_III
83         &           -viscA4_Z(i,j+1)*del2u(i,j)*sqcosFacU(J,bi,bj))
84    #else
85         &           -viscA4_Z(i,j+1)*del2u(i,j)*cosFacU(J,bi,bj))
86    #endif
87    #else
88         &         *(viscAh_Z(i,j+1)*uFld(i,j)
89         &           -viscA4_Z(i,j+1)*del2u(i,j))
90  #endif  #endif
91       &              )       &              )
92         &      *drF(k)*2.
93         ENDDO         ENDDO
94        ENDDO        ENDDO
95    
96        RETURN        RETURN
97        END        END
98    
99    
100    
101    
102    
103    
104    
105    
Legend:
Removed from v.1.5  
changed lines
  Added in v.1.6
  ViewVC Help
Powered by ViewVC 1.1.22