/[MITgcm]/MITgcm/verification/aim.5l_cs/code/mom_vi_v_coriolis.F
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Revision 1.1 - (hide annotations) (download)
Wed Jan 9 00:28:56 2002 UTC (22 years, 3 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint44e_post, checkpoint47j_post, checkpoint48d_pre, checkpoint44b_post, branch-exfmods-tag, checkpoint47e_post, checkpoint43a-release1mods, checkpoint47i_post, checkpoint46l_post, checkpoint47f_post, checkpoint47c_post, checkpoint50e_post, checkpoint50c_post, checkpoint46i_post, checkpoint47d_post, checkpoint47a_post, checkpoint46f_post, checkpoint46d_pre, checkpoint48e_post, checkpoint46e_post, checkpoint48d_post, checkpoint50g_post, release1-branch_tutorials, checkpoint46c_post, checkpoint50b_pre, checkpoint46e_pre, checkpoint48f_post, checkpoint45d_post, checkpoint46j_pre, checkpoint45b_post, checkpoint44g_post, checkpoint48c_post, chkpt44a_pre, release1-branch-end, release1_final_v1, checkpoint51b_post, checkpoint44b_pre, checkpoint46c_pre, checkpoint46, checkpoint47, checkpoint44, checkpoint45, checkpoint48, checkpoint49, checkpoint44f_post, checkpoint47b_post, checkpoint48i_post, checkpoint46h_post, checkpoint46l_pre, checkpoint44h_pre, checkpoint48h_post, checkpoint50d_pre, chkpt44d_post, checkpoint46h_pre, checkpoint51, checkpoint50, checkpoint47h_post, checkpoint50d_post, checkpoint46g_pre, checkpoint51b_pre, checkpoint46a_post, checkpoint47g_post, chkpt44a_post, chkpt44c_post, checkpoint46m_post, checkpoint46j_post, checkpoint44f_pre, checkpoint46a_pre, checkpoint50c_pre, checkpoint45c_post, checkpoint46k_post, checkpoint44e_pre, checkpoint46b_pre, checkpoint46b_post, checkpoint44h_post, checkpoint46d_post, checkpoint48b_post, checkpoint50b_post, checkpoint46g_post, checkpoint51c_post, checkpoint45a_post, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, checkpoint51d_post, checkpoint48c_pre, release1-branch_branchpoint, checkpoint47d_pre, checkpoint51a_post, checkpoint50e_pre, checkpoint50i_post, checkpoint48g_post, chkpt44c_pre, checkpoint48a_post
Branch point for: release1, release1_final, release1-branch, branch-exfmods-curt 
modified momentum_VI and Shapiro S/R :
 enable AIM to run on Cube Sphere with partial cell.
1 jmc 1.1 C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_vecinv/mom_vi_v_coriolis.F,v 1.3 2001/09/05 17:46:03 heimbach Exp $
2     C $Name: $
3    
4     #include "CPP_OPTIONS.h"
5    
6     SUBROUTINE MOM_VI_V_CORIOLIS(
7     I bi,bj,K,
8     I uFld,omega3,hFacZ,r_hFacZ,
9     O vCoriolisTerm,
10     I myThid)
11     IMPLICIT NONE
12     C /==========================================================\
13     C | S/R MOM_VI_V_CORIOLIS |
14     C |==========================================================|
15     C \==========================================================/
16    
17     C == Global variables ==
18     #include "SIZE.h"
19     #include "EEPARAMS.h"
20     #include "GRID.h"
21     #include "PARAMS.h"
22    
23     C == Routine arguments ==
24     INTEGER bi,bj,K
25     _RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
26     _RL omega3(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27     _RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
28     _RS r_hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
29     _RL vCoriolisTerm(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
30     INTEGER myThid
31    
32     C == Local variables ==
33     INTEGER I,J
34     _RL uBarXY,vort3v
35     LOGICAL upwindVort3
36     _RS epsil
37    
38     epsil = 1. _d -9
39     upwindVort3=.FALSE.
40    
41     DO J=2-Oly,sNy+Oly
42     DO I=1-Olx,sNx+Olx-1
43     c uBarXY=0.25*( uFld(i, j )+uFld(i+1, j )
44     c & +uFld(i,j-1)+uFld(i+1,j-1))
45     c uBarXY=0.25*(
46     c & uFld( i , j )*dyG( i , j ,bi,bj)*hFacW( i , j ,k,bi,bj)
47     c & +uFld( i ,j-1)*dyG( i ,j-1,bi,bj)*hFacW( i ,j-1,k,bi,bj)
48     c & +uFld(i+1, j )*dyG(i+1, j ,bi,bj)*hFacW(i+1, j ,k,bi,bj)
49     c & +uFld(i+1,j-1)*dyG(i+1,j-1,bi,bj)*hFacW(i+1,j-1,k,bi,bj))
50     uBarXY=0.5*(
51     & uFld( i , j )*dyG( i , j ,bi,bj)*hFacZ(i,j)
52     & +uFld( i ,j-1)*dyG( i ,j-1,bi,bj)*hFacZ(i,j)
53     & +uFld(i+1, j )*dyG(i+1, j ,bi,bj)*hFacZ(i+1,j)
54     & +uFld(i+1,j-1)*dyG(i+1,j-1,bi,bj)*hFacZ(i+1,j)
55     & )/MAX( epsil, hFacZ(i,j)+hFacZ(i+1,j) )
56     IF (upwindVort3) THEN
57     IF (uBarXY.GT.0.) THEN
58     c vort3v=omega3(i,j)*r_hFacZ(i,j)
59     vort3v=omega3(i,j)
60     ELSE
61     c vort3v=omega3(i+1,j)*r_hFacZ(i+1,j)
62     vort3v=omega3(i+1,j)
63     ENDIF
64     ELSE
65     c vort3v=0.5*(omega3(i,j)*r_hFacZ(i,j)
66     c & +omega3(i+1,j)*r_hFacZ(i+1,j))
67     vort3v=0.5*(omega3(i,j)+omega3(i+1,j))
68     ENDIF
69     vCoriolisTerm(i,j)=
70     & -vort3v*uBarXY*recip_dyC(i,j,bi,bj)*_maskS(i,j,k,bi,bj)
71     C high order vorticity advection term
72     c & ...
73     C linear Coriolis term
74     c & -0.5 *(fCoriG(I,J,bi,bj)+fCoriG(I+1,J,bi,bj))*uBarXY
75     C full nonlinear Coriolis term
76     c & -0.5*(omega3(I,J)+omega3(I+1,J))*uBarXY
77     C correct energy conserving form of Coriolis term
78     c & -0.5 *( fCori(I,J ,bi,bj)*uBarX(I,J ,K,bi,bj) +
79     c & fCori(I,J-1,bi,bj)*uBarX(I,J-1,K,bi,bj) )
80     C original form of Coriolis term (copied from calc_mom_rhs)
81     c & -0.5*(fCori(i,j,bi,bj)+fCori(i,j-1,bi,bj))*uBarXY
82     ENDDO
83     ENDDO
84    
85     RETURN
86     END
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