/[MITgcm]/MITgcm/verification/aim.5l_cs/code/mom_vi_v_coriolis.F
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Contents of /MITgcm/verification/aim.5l_cs/code/mom_vi_v_coriolis.F

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Revision 1.1 - (show 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 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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