/[MITgcm]/MITgcm/pkg/mom_fluxform/mom_u_sidedrag.F
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Contents of /MITgcm/pkg/mom_fluxform/mom_u_sidedrag.F

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Revision 1.4 - (show annotations) (download)
Thu Oct 9 04:19:20 2003 UTC (20 years, 7 months ago) by edhill
Branch: MAIN
CVS Tags: checkpoint51k_post, checkpoint53b_pre, checkpoint52l_pre, checkpoint52e_pre, hrcube4, hrcube5, checkpoint52j_post, checkpoint52e_post, checkpoint51n_pre, checkpoint52d_pre, checkpoint52j_pre, branch-netcdf, checkpoint51r_post, checkpoint52b_pre, checkpoint52n_post, checkpoint51o_pre, checkpoint51i_post, checkpoint51l_pre, checkpoint52m_post, checkpoint53a_post, checkpoint51l_post, checkpoint51o_post, checkpoint51q_post, checkpoint52l_post, checkpoint52k_post, checkpoint53b_post, checkpoint53, checkpoint52, checkpoint52d_post, checkpoint52a_post, checkpoint52b_post, checkpoint52f_post, checkpoint52c_post, ecco_c52_e35, checkpoint52a_pre, checkpoint51m_post, checkpoint51t_post, checkpoint52i_post, checkpoint51p_post, checkpoint51n_post, checkpoint52i_pre, checkpoint51u_post, checkpoint52h_pre, checkpoint52f_pre, hrcube_1, hrcube_2, hrcube_3, checkpoint51s_post
Branch point for: netcdf-sm0, branch-nonh, tg2-branch, checkpoint51n_branch
Changes since 1.3: +2 -2 lines 
 o first check-in for the "branch-genmake2" merge
 o verification suite as run on shelley (gcc 3.2.2):

Wed Oct  8 23:42:29 EDT 2003
                T           S           U           V
G D M    c        m  s        m  s        m  s        m  s
E p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
N n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
2 d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .

OPTFILE=NONE

Y Y Y Y 13 16 16 16  0 16 16 16 16 16 16 16 16 13 12  0  0 pass  adjustment.128x64x1
Y Y Y Y 16 16 16 16  0 16 16 16 16 16 16  0  0 16 16  0  0 pass  adjustment.cs-32x32x1
Y Y Y Y 16 16 16 16  0 16 16 16 16 16 16 22  0 16 16 22  0 pass  adjust_nlfs.cs-32x32x1
Y Y Y Y -- 13 13 16 16 13 13 13 13 16 16 16 16 16 16 16 16 N/O   advect_cs
Y Y Y Y -- 22 16 16 16 16 16 16 13 16 16 16 16 16 16 16 16 N/O   advect_xy
Y Y Y Y -- 13 16 13 16 16 16 16 16 16 16 22 16 16 16 16 16 N/O   advect_xz
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 pass  aim.5l_cs
Y Y Y Y 14 16 16 16 16 16 16 16 16 13 16 16 16 16 16 13 16 pass  aim.5l_Equatorial_Channel
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 13 16 16 13 13 16 pass  aim.5l_LatLon
Y Y Y Y 13 16 16 16 16 16 16 16 16 16 13 12 13 13 16 13 16 pass  exp0
Y Y Y Y 14 16 16 16 16 16 16 16 22 16 16 16 13 16 16 22 16 pass  exp1
Y Y Y Y 13 13 16 13 16 16 16 16 16 13 13 16 16 13 13 13 13 pass  exp2
Y Y Y Y 16 16 16 16 16 16 16 16 22 16 16 16 16 16 16 16 16 pass  exp4
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 22 16 16 16 22 16 pass  exp5
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 pass  front_relax
Y Y Y Y 14 16 16 13 13 16 16 13 13 16 13 13 16 12 13 13 16 pass  global_ocean.90x40x15
Y Y Y Y 10 16 16 13 13 16 13 16 16 13 13 13 13 16 16 13 16 FAIL  global_ocean.cs32x15
Y Y Y Y  6 11 12 13 13 12 13 16 13  9  9  9  9 10  9  9 11 FAIL  global_ocean_pressure
Y Y Y Y 14 16 16 13 16 16 16 13 13 13 13 13 16 12 16 13 16 pass  global_with_exf
Y Y Y Y 14 16 16 16 16 16 16 16 16 11 13 22 13 16 16  9 16 pass  hs94.128x64x5
Y Y Y Y 13 16 16 16 16 16 16 16 16 11 16 16 16 13 16 22 13 pass  hs94.1x64x5
Y Y Y Y 14 16 16 16 16 16 16 16 16 13 16 13 13 16 16 22 13 pass  hs94.cs-32x32x5
Y Y Y Y 10 10 16 13 13 16 16 16 22 16 13 13 13 13 13 22 13 FAIL  ideal_2D_oce
Y Y Y Y  8 16 16 16 16 16 16 16 16 13 13  8 16 16 16 16 16 FAIL  internal_wave
Y Y Y Y 14 16 16 16 16 16 16 16 16 13 13 22 13 13 13 22 16 pass  inverted_barometer
Y Y Y Y 12 16 16 16 16 16 16 16 16 16 13 12 13 13 13 13 13 FAIL  lab_sea
Y Y Y Y 11 16 16 16 16 16 16 16 13 13 13 12 13 16 13 12 13 FAIL  natl_box
Y Y Y Y 16 16 16 16 16 16 16 16 22 16 16 16 16 16 16 16 16 pass  plume_on_slope
Y Y Y Y 13 16 16 16 16 13 16 16 16 16 16 16 16 13 16 16 16 pass  solid-body.cs-32x32x1
1 C $Header: /u/u3/gcmpack/MITgcm/pkg/mom_fluxform/mom_u_sidedrag.F,v 1.3.20.1 2003/10/02 18:30:08 adcroft Exp $
2 C $Name: $
3
4 #include "MOM_FLUXFORM_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: MOM_U_SIDEDRAG
8
9 C !INTERFACE: ==========================================================
10 SUBROUTINE MOM_U_SIDEDRAG(
11 I bi,bj,k,
12 I uFld, del2u, hFacZ,
13 O uDragTerms,
14 I myThid)
15
16 C !DESCRIPTION:
17 C Calculates the drag terms due to the no-slip condition on viscous stresses:
18 C \begin{equation*}
19 C G^u_{drag} = - \frac{2}{\Delta y_u} (A_h u - A_4 \nabla^2 u)
20 C \end{equation*}
21
22 C !USES: ===============================================================
23 IMPLICIT NONE
24 #include "SIZE.h"
25 #include "EEPARAMS.h"
26 #include "PARAMS.h"
27 #include "GRID.h"
28
29 C !INPUT PARAMETERS: ===================================================
30 C bi,bj :: tile indices
31 C k :: vertical level
32 C uFld :: zonal flow
33 C del2u :: Laplacian of zonal flow
34 C hFacZ :: fractional open water at vorticity points
35 C myThid :: thread number
36 INTEGER bi,bj,k
37 _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
38 _RL del2u(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
39 _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
40 INTEGER myThid
41
42 C !OUTPUT PARAMETERS: ==================================================
43 C uDragTerms :: drag term
44 _RL uDragTerms(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
45
46 C !LOCAL VARIABLES: ====================================================
47 C i,j :: loop indices
48 C hFacZClosedN :: fractional open water to north
49 C hFacZClosedS :: fractional open water to south
50 INTEGER I,J
51 _RS hFacZClosedS,hFacZClosedN
52 CEOP
53
54 C - Laplacian and bi-harmonic terms
55 DO j=1-Oly,sNy+Oly-1
56 DO i=1-Olx,sNx+Olx-1
57 hFacZClosedS = _hFacW(i,j,k,bi,bj) - hFacZ(i,j)
58 hFacZClosedN = _hFacW(i,j,k,bi,bj) - hFacZ(i,j+1)
59 uDragTerms(i,j) =
60 & -_recip_hFacW(i,j,k,bi,bj)
61 & *recip_drF(k)*recip_rAw(i,j,bi,bj)
62 & *( hFacZClosedS*_dxV(i, j ,bi,bj)
63 & *_recip_dyU(i, j ,bi,bj)
64 & +hFacZClosedN*_dxV(i,j+1,bi,bj)
65 & *_recip_dyU(i,j+1,bi,bj) )
66 & *drF(k)*2.*(
67 #ifdef ISOTROPIC_COS_SCALING
68 & viscAh*uFld(i,j)*cosFacU(J,bi,bj)
69 #ifdef COSINEMETH_III
70 & -viscA4*del2u(i,j)*sqcosFacU(J,bi,bj)
71 #else
72 & -viscA4*del2u(i,j)*cosFacU(J,bi,bj)
73 #endif
74 #else
75 & viscAh*uFld(i,j)
76 & -viscA4*del2u(i,j)
77 #endif
78 & )
79 ENDDO
80 ENDDO
81
82 RETURN
83 END
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