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C $Header$ |
C $Header$ |
2 |
C $Name$ |
C $Name$ |
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#include "CPP_OPTIONS.h" |
#include "MOM_VECINV_OPTIONS.h" |
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SUBROUTINE MOM_VI_HDISSIP( |
SUBROUTINE MOM_VI_HDISSIP( |
7 |
I bi,bj,k, |
I bi, bj, k, |
8 |
I hDiv,vort3,hFacZ,dStar,zStar, |
I hDiv, vort3, dStar, zStar, hFacZ, |
9 |
O uDissip,vDissip, |
I viscAh_Z, viscAh_D, viscA4_Z, viscA4_D, |
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I myThid) |
I harmonic, biharmonic, useVariableViscosity, |
11 |
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O uDissip, vDissip, |
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I myThid ) |
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IMPLICIT NONE |
IMPLICIT NONE |
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C |
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16 |
C Calculate horizontal dissipation terms |
C Calculate horizontal dissipation terms |
17 |
C [del^2 - del^4] (u,v) |
C [del^2 - del^4] (u,v) |
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C |
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C == Global variables == |
C == Global variables == |
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#include "SIZE.h" |
#include "SIZE.h" |
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#include "GRID.h" |
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21 |
#include "EEPARAMS.h" |
#include "EEPARAMS.h" |
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#include "PARAMS.h" |
#include "PARAMS.h" |
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#include "GRID.h" |
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C == Routine arguments == |
C == Routine arguments == |
26 |
INTEGER bi,bj,k |
INTEGER bi, bj, k |
27 |
_RL hDiv(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL hDiv (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
28 |
_RL vort3(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL vort3(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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29 |
_RL dStar(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL dStar(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
30 |
_RL zStar(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL zStar(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
31 |
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_RS hFacZ(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
32 |
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_RL viscAh_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
33 |
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_RL viscAh_D(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
34 |
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_RL viscA4_Z(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
35 |
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_RL viscA4_D(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
36 |
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LOGICAL harmonic, biharmonic, useVariableViscosity |
37 |
_RL uDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL uDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
38 |
_RL vDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL vDissip(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
39 |
INTEGER myThid |
INTEGER myThid |
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41 |
C == Local variables == |
C == Local variables == |
42 |
INTEGER I,J |
INTEGER i, j |
43 |
_RL Zip,Zij,Zpj,Dim,Dij,Dmj,uD2,vD2,uD4,vD4 |
_RL Zip, Zij, Zpj, Dim, Dij, Dmj, uD2, vD2, uD4, vD4 |
44 |
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_RL Zip1, Zij1, Zpj1 |
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46 |
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C - Laplacian terms |
47 |
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IF (harmonic) THEN |
48 |
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C This bit scales the harmonic dissipation operator to be proportional |
49 |
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C to the grid-cell area over the time-step. viscAh is then non-dimensional |
50 |
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C and should be less than 1/8, for example viscAh=0.01 |
51 |
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IF (useVariableViscosity) THEN |
52 |
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DO j=2-OLy,sNy+OLy-1 |
53 |
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DO i=2-OLx,sNx+OLx-1 |
54 |
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55 |
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Dij=hDiv( i , j )*viscAh_D(i,j) |
56 |
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Dim=hDiv( i ,j-1)*viscAh_D(i,j-1) |
57 |
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Dmj=hDiv(i-1, j )*viscAh_D(i-1,j) |
58 |
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Zij=hFacZ( i , j )*vort3( i , j )*viscAh_Z(i,j) |
59 |
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Zip=hFacZ( i ,j+1)*vort3( i ,j+1)*viscAh_Z(i,j+1) |
60 |
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Zpj=hFacZ(i+1, j )*vort3(i+1, j )*viscAh_Z(i+1,j) |
61 |
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62 |
C - Laplacian and bi-harmonic terms |
uD2 = ( |
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DO j=2-Oly,sNy+Oly-1 |
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DO i=2-Olx,sNx+Olx-1 |
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c Dim=dyF( i ,j-1,bi,bj)*hFacC( i ,j-1,k,bi,bj)*hDiv( i ,j-1) |
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c Dij=dyF( i , j ,bi,bj)*hFacC( i , j ,k,bi,bj)*hDiv( i , j ) |
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c Dmj=dyF(i-1, j ,bi,bj)*hFacC(i-1, j ,k,bi,bj)*hDiv(i-1, j ) |
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c Dim=dyF( i ,j-1,bi,bj)* hDiv( i ,j-1) |
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c Dij=dyF( i , j ,bi,bj)* hDiv( i , j ) |
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c Dmj=dyF(i-1, j ,bi,bj)* hDiv(i-1, j ) |
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Dim= hDiv( i ,j-1) |
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Dij= hDiv( i , j ) |
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Dmj= hDiv(i-1, j ) |
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c Zip=dxV( i ,j+1,bi,bj)*hFacZ( i ,j+1)*vort3( i ,j+1) |
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c Zij=dxV( i , j ,bi,bj)*hFacZ( i , j )*vort3( i , j ) |
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c Zpj=dxV(i+1, j ,bi,bj)*hFacZ(i+1, j )*vort3(i+1, j ) |
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Zip= hFacZ( i ,j+1)*vort3( i ,j+1) |
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Zij= hFacZ( i , j )*vort3( i , j ) |
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Zpj= hFacZ(i+1, j )*vort3(i+1, j ) |
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c uD2 = recip_rAw(i,j,bi,bj)*( |
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c & recip_hFacW(i,j,k,bi,bj)*viscAh*( (Dij-Dmj)*cosFacU(j,bi,bj) ) |
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c & -recip_hFacW(i,j,k,bi,bj)*viscAh*( Zip-Zij ) ) |
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c uD2 = recip_rAw(i,j,bi,bj)*( |
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c & viscAh*( (Dij-Dmj)*cosFacU(j,bi,bj) ) |
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c & -recip_hFacW(i,j,k,bi,bj)*viscAh*( Zip-Zij ) ) |
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uD2 = viscAh*( |
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63 |
& cosFacU(j,bi,bj)*( Dij-Dmj )*recip_DXC(i,j,bi,bj) |
& cosFacU(j,bi,bj)*( Dij-Dmj )*recip_DXC(i,j,bi,bj) |
64 |
& -recip_hFacW(i,j,k,bi,bj)*( Zip-Zij )*recip_DYG(i,j,bi,bj) ) |
& -_recip_hFacW(i,j,k,bi,bj)*( Zip-Zij )*recip_DYG(i,j,bi,bj) ) |
65 |
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#ifdef ISOTROPIC_COS_SCALING |
66 |
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& *cosFacU(j,bi,bj) |
67 |
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#endif /* ISOTROPIC_COS_SCALING */ |
68 |
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vD2 = ( |
69 |
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& _recip_hFacS(i,j,k,bi,bj)*( Zpj-Zij )*recip_DXG(i,j,bi,bj) |
70 |
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& *cosFacV(j,bi,bj) |
71 |
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& +( Dij-Dim )*recip_DYC(i,j,bi,bj) ) |
72 |
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#ifdef ISOTROPIC_COS_SCALING |
73 |
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& *cosFacV(j,bi,bj) |
74 |
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#endif /* ISOTROPIC_COS_SCALING */ |
75 |
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76 |
c vD2 = recip_rAs(i,j,bi,bj)*( |
uDissip(i,j) = uD2 |
77 |
c & recip_hFacS(i,j,k,bi,bj)*viscAh*( (Zpj-Zij)*cosFacV(j,bi,bj) ) |
vDissip(i,j) = vD2 |
78 |
c & +recip_hFacS(i,j,k,bi,bj)*viscAh*( Dij-Dim ) ) |
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79 |
c vD2 = recip_rAs(i,j,bi,bj)*( |
ENDDO |
80 |
c & recip_hFacS(i,j,k,bi,bj)*viscAh*( (Zpj-Zij)*cosFacV(j,bi,bj) ) |
ENDDO |
81 |
c & + viscAh*( Dij-Dim ) ) |
ELSE |
82 |
vD2 = viscAh*( |
DO j=2-OLy,sNy+OLy-1 |
83 |
& recip_hFacS(i,j,k,bi,bj)*( Zpj-Zij )*recip_DXG(i,j,bi,bj) |
DO i=2-OLx,sNx+OLx-1 |
84 |
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85 |
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Dim=hDiv( i ,j-1) |
86 |
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Dij=hDiv( i , j ) |
87 |
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Dmj=hDiv(i-1, j ) |
88 |
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Zip=hFacZ( i ,j+1)*vort3( i ,j+1) |
89 |
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Zij=hFacZ( i , j )*vort3( i , j ) |
90 |
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Zpj=hFacZ(i+1, j )*vort3(i+1, j ) |
91 |
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92 |
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uD2 = viscAhD* |
93 |
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& cosFacU(j,bi,bj)*( Dij-Dmj )*recip_DXC(i,j,bi,bj) |
94 |
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& - viscAhZ*_recip_hFacW(i,j,k,bi,bj)* |
95 |
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& ( Zip-Zij )*recip_DYG(i,j,bi,bj) |
96 |
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#ifdef ISOTROPIC_COS_SCALING |
97 |
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& *cosFacU(j,bi,bj) |
98 |
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#endif /* ISOTROPIC_COS_SCALING */ |
99 |
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vD2 = viscAhZ*_recip_hFacS(i,j,k,bi,bj)* |
100 |
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& cosFacV(j,bi,bj)*( Zpj-Zij )*recip_DXG(i,j,bi,bj) |
101 |
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& + viscAhD* ( Dij-Dim )*recip_DYC(i,j,bi,bj) |
102 |
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#ifdef ISOTROPIC_COS_SCALING |
103 |
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& *cosFacV(j,bi,bj) |
104 |
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#endif /* ISOTROPIC_COS_SCALING */ |
105 |
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106 |
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uDissip(i,j) = uD2 |
107 |
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vDissip(i,j) = vD2 |
108 |
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109 |
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ENDDO |
110 |
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ENDDO |
111 |
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ENDIF |
112 |
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ELSE |
113 |
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DO j=2-OLy,sNy+OLy-1 |
114 |
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DO i=2-OLx,sNx+OLx-1 |
115 |
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uDissip(i,j) = 0. |
116 |
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vDissip(i,j) = 0. |
117 |
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ENDDO |
118 |
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ENDDO |
119 |
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ENDIF |
120 |
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121 |
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C - Bi-harmonic terms |
122 |
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IF (biharmonic) THEN |
123 |
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124 |
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C This bit scales the harmonic dissipation operator to be proportional |
125 |
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C to the grid-cell area over the time-step. viscAh is then non-dimensional |
126 |
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C and should be less than 1/8, for example viscAh=0.01 |
127 |
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IF (useVariableViscosity) THEN |
128 |
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DO j=2-OLy,sNy+OLy-1 |
129 |
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DO i=2-OLx,sNx+OLx-1 |
130 |
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131 |
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#ifdef MOM_VI_ORIGINAL_VISCA4 |
132 |
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Dim=dyF( i ,j-1,bi,bj)*dStar( i ,j-1) |
133 |
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Dij=dyF( i , j ,bi,bj)*dStar( i , j ) |
134 |
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Dmj=dyF(i-1, j ,bi,bj)*dStar(i-1, j ) |
135 |
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136 |
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Zip1=dxV( i ,j+1,bi,bj)*hFacZ( i ,j+1)*zStar( i ,j+1) |
137 |
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Zij1=dxV( i , j ,bi,bj)*hFacZ( i , j )*zStar( i , j ) |
138 |
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Zpj1=dxV(i+1, j ,bi,bj)*hFacZ(i+1, j )*zStar(i+1, j ) |
139 |
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#else |
140 |
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Dim=dStar( i ,j-1) |
141 |
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Dij=dStar( i , j ) |
142 |
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Dmj=dStar(i-1, j ) |
143 |
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144 |
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Zip1=hFacZ( i ,j+1)*zStar( i ,j+1) |
145 |
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Zij1=hFacZ( i , j )*zStar( i , j ) |
146 |
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Zpj1=hFacZ(i+1, j )*zStar(i+1, j ) |
147 |
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#endif |
148 |
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Dij=Dij*viscA4_D(i,j) |
149 |
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Dim=Dim*viscA4_D(i,j-1) |
150 |
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Dmj=Dmj*viscA4_D(i-1,j) |
151 |
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Zij=Zij1*viscA4_Z(i,j) |
152 |
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Zip=Zip1*viscA4_Z(i,j+1) |
153 |
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Zpj=Zpj1*viscA4_Z(i+1,j) |
154 |
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155 |
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#ifdef MOM_VI_ORIGINAL_VISCA4 |
156 |
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uD4 = recip_rAw(i,j,bi,bj)*( |
157 |
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& ( (Dij-Dmj)*cosFacU(j,bi,bj) ) |
158 |
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& -_recip_hFacW(i,j,k,bi,bj)*( Zip-Zij ) |
159 |
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# ifdef ISOTROPIC_COS_SCALING |
160 |
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& *cosFacU(j,bi,bj) |
161 |
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# endif /* ISOTROPIC_COS_SCALING */ |
162 |
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& ) |
163 |
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vD4 = recip_rAs(i,j,bi,bj)*( |
164 |
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& _recip_hFacS(i,j,k,bi,bj)*( (Zpj-Zij)*cosFacV(j,bi,bj) ) |
165 |
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& + ( Dij-Dim ) |
166 |
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# ifdef ISOTROPIC_COS_SCALING |
167 |
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& *cosFacV(j,bi,bj) |
168 |
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# endif /* ISOTROPIC_COS_SCALING */ |
169 |
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& ) |
170 |
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#else /* MOM_VI_ORIGINAL_VISCA4 */ |
171 |
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uD4 = ( |
172 |
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& cosFacU(j,bi,bj)*( Dij-Dmj )*recip_DXC(i,j,bi,bj) |
173 |
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& -_recip_hFacW(i,j,k,bi,bj)*( Zip-Zij )*recip_DYG(i,j,bi,bj) ) |
174 |
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# ifdef ISOTROPIC_COS_SCALING |
175 |
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& *cosFacU(j,bi,bj) |
176 |
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# endif /* ISOTROPIC_COS_SCALING */ |
177 |
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vD4 = ( |
178 |
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& _recip_hFacS(i,j,k,bi,bj)*( Zpj-Zij )*recip_DXG(i,j,bi,bj) |
179 |
& *cosFacV(j,bi,bj) |
& *cosFacV(j,bi,bj) |
180 |
& +( Dij-Dim )*recip_DYC(i,j,bi,bj) ) |
& +( Dij-Dim )*recip_DYC(i,j,bi,bj) ) |
181 |
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# ifdef ISOTROPIC_COS_SCALING |
182 |
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& *cosFacV(j,bi,bj) |
183 |
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# endif /* ISOTROPIC_COS_SCALING */ |
184 |
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#endif /* MOM_VI_ORIGINAL_VISCA4 */ |
185 |
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186 |
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uDissip(i,j) = uDissip(i,j) - uD4 |
187 |
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vDissip(i,j) = vDissip(i,j) - vD4 |
188 |
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189 |
c Dim=dyF( i ,j-1,bi,bj)*hFacC( i ,j-1,k,bi,bj)*dStar( i ,j-1) |
ENDDO |
190 |
c Dij=dyF( i , j ,bi,bj)*hFacC( i , j ,k,bi,bj)*dStar( i , j ) |
ENDDO |
191 |
c Dmj=dyF(i-1, j ,bi,bj)*hFacC(i-1, j ,k,bi,bj)*dStar(i-1, j ) |
ELSE |
192 |
Dim=dyF( i ,j-1,bi,bj)* dStar( i ,j-1) |
DO j=2-OLy,sNy+OLy-1 |
193 |
Dij=dyF( i , j ,bi,bj)* dStar( i , j ) |
DO i=2-OLx,sNx+OLx-1 |
194 |
Dmj=dyF(i-1, j ,bi,bj)* dStar(i-1, j ) |
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195 |
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#ifdef MOM_VI_ORIGINAL_VISCA4 |
196 |
Zip=dxV( i ,j+1,bi,bj)*hFacZ( i ,j+1)*zStar( i ,j+1) |
Dim=dyF( i ,j-1,bi,bj)*dStar( i ,j-1) |
197 |
Zij=dxV( i , j ,bi,bj)*hFacZ( i , j )*zStar( i , j ) |
Dij=dyF( i , j ,bi,bj)*dStar( i , j ) |
198 |
Zpj=dxV(i+1, j ,bi,bj)*hFacZ(i+1, j )*zStar(i+1, j ) |
Dmj=dyF(i-1, j ,bi,bj)*dStar(i-1, j ) |
199 |
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200 |
c uD4 = recip_rAw(i,j,bi,bj)*( |
Zip1=dxV( i ,j+1,bi,bj)*hFacZ( i ,j+1)*zStar( i ,j+1) |
201 |
c & recip_hFacW(i,j,k,bi,bj)*viscA4*( (Dij-Dmj)*cosFacU(j,bi,bj) ) |
Zij1=dxV( i , j ,bi,bj)*hFacZ( i , j )*zStar( i , j ) |
202 |
c & -recip_hFacW(i,j,k,bi,bj)*viscA4*( Zip-Zij ) ) |
Zpj1=dxV(i+1, j ,bi,bj)*hFacZ(i+1, j )*zStar(i+1, j ) |
203 |
uD4 = recip_rAw(i,j,bi,bj)*( |
#else |
204 |
& viscA4*( (Dij-Dmj)*cosFacU(j,bi,bj) ) |
Dim=dStar( i ,j-1) |
205 |
& -recip_hFacW(i,j,k,bi,bj)*viscA4*( Zip-Zij ) ) |
Dij=dStar( i , j ) |
206 |
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Dmj=dStar(i-1, j ) |
207 |
c vD4 = recip_rAs(i,j,bi,bj)*( |
|
208 |
c & recip_hFacS(i,j,k,bi,bj)*viscA4*( (Zpj-Zij)*cosFacV(j,bi,bj) ) |
Zip1=hFacZ( i ,j+1)*zStar( i ,j+1) |
209 |
c & +recip_hFacS(i,j,k,bi,bj)*viscA4*( Dij-Dim ) ) |
Zij1=hFacZ( i , j )*zStar( i , j ) |
210 |
vD4 = recip_rAs(i,j,bi,bj)*( |
Zpj1=hFacZ(i+1, j )*zStar(i+1, j ) |
211 |
& recip_hFacS(i,j,k,bi,bj)*viscA4*( (Zpj-Zij)*cosFacV(j,bi,bj) ) |
#endif |
212 |
& + viscA4*( Dij-Dim ) ) |
Zij=Zij1 |
213 |
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Zip=Zip1 |
214 |
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Zpj=Zpj1 |
215 |
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216 |
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#ifdef MOM_VI_ORIGINAL_VISCA4 |
217 |
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uD4 = recip_rAw(i,j,bi,bj)*( |
218 |
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& viscA4D*( Dij-Dmj )*cosFacU(j,bi,bj) |
219 |
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& -_recip_hFacW(i,j,k,bi,bj)*viscA4Z*( Zip-Zij ) |
220 |
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# ifdef ISOTROPIC_COS_SCALING |
221 |
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& *cosFacU(j,bi,bj) |
222 |
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# endif /* ISOTROPIC_COS_SCALING */ |
223 |
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& ) |
224 |
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vD4 = recip_rAs(i,j,bi,bj)*( |
225 |
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& _recip_hFacS(i,j,k,bi,bj)*viscA4Z*( Zpj-Zij )*cosFacV(j,bi,bj) |
226 |
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& + viscA4D*( Dij-Dim ) |
227 |
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# ifdef ISOTROPIC_COS_SCALING |
228 |
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& *cosFacV(j,bi,bj) |
229 |
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# endif /* ISOTROPIC_COS_SCALING */ |
230 |
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& ) |
231 |
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#else /* MOM_VI_ORIGINAL_VISCA4 */ |
232 |
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uD4 = viscA4D* |
233 |
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& cosFacU(j,bi,bj)*( Dij-Dmj )*recip_DXC(i,j,bi,bj) |
234 |
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& - viscA4Z*_recip_hFacW(i,j,k,bi,bj)* |
235 |
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& ( Zip-Zij )*recip_DYG(i,j,bi,bj) |
236 |
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# ifdef ISOTROPIC_COS_SCALING |
237 |
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& *cosFacU(j,bi,bj) |
238 |
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# endif /* ISOTROPIC_COS_SCALING */ |
239 |
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vD4 = viscA4Z*_recip_hFacS(i,j,k,bi,bj)* |
240 |
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& cosFacV(j,bi,bj)*( Zpj-Zij )*recip_DXG(i,j,bi,bj) |
241 |
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& + viscA4D* ( Dij-Dim )*recip_DYC(i,j,bi,bj) |
242 |
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# ifdef ISOTROPIC_COS_SCALING |
243 |
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& *cosFacV(j,bi,bj) |
244 |
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# endif /* ISOTROPIC_COS_SCALING */ |
245 |
|
#endif /* MOM_VI_ORIGINAL_VISCA4 */ |
246 |
|
|
247 |
uDissip(i,j) = uD2 - uD4 |
uDissip(i,j) = uDissip(i,j) - uD4 |
248 |
vDissip(i,j) = vD2 - vD4 |
vDissip(i,j) = vDissip(i,j) - vD4 |
249 |
|
|
250 |
|
ENDDO |
251 |
|
ENDDO |
252 |
|
ENDIF |
253 |
|
ENDIF |
254 |
|
|
255 |
|
IF ( harmonic .OR. biharmonic ) THEN |
256 |
|
DO j=1-OLy,sNy+OLy-1 |
257 |
|
DO i=1-OLx,sNx+OLx-1 |
258 |
|
uDissip(i,j) = uDissip(i,j)*maskW(i,j,k,bi,bj) |
259 |
|
& *recip_deepFacC(k) |
260 |
|
vDissip(i,j) = vDissip(i,j)*maskS(i,j,k,bi,bj) |
261 |
|
& *recip_deepFacC(k) |
262 |
|
ENDDO |
263 |
ENDDO |
ENDDO |
264 |
ENDDO |
ENDIF |
265 |
|
|
266 |
RETURN |
RETURN |
267 |
END |
END |