1 |
C $Header$ |
C $Header$ |
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C !DESCRIPTION: \bv |
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2 |
C $Name$ |
C $Name$ |
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4 |
#include "PACKAGES_CONFIG.h" |
#include "PACKAGES_CONFIG.h" |
5 |
#include "CPP_OPTIONS.h" |
#include "CPP_OPTIONS.h" |
6 |
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#define CALC_GW_NEW_THICK |
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8 |
CBOP |
CBOP |
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C !ROUTINE: CALC_GW |
C !ROUTINE: CALC_GW |
10 |
C !INTERFACE: |
C !INTERFACE: |
11 |
SUBROUTINE CALC_GW( |
SUBROUTINE CALC_GW( |
12 |
I myTime, myIter, myThid ) |
I bi, bj, KappaRU, KappaRV, |
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I myTime, myIter, myThid ) |
14 |
C !DESCRIPTION: \bv |
C !DESCRIPTION: \bv |
15 |
C *==========================================================* |
C *==========================================================* |
16 |
C | S/R CALC_GW |
C | S/R CALC_GW |
17 |
C | o Calculate vert. velocity tendency terms ( NH, QH only ) |
C | o Calculate vertical velocity tendency terms |
18 |
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C | ( Non-Hydrostatic only ) |
19 |
C *==========================================================* |
C *==========================================================* |
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C | In NH and QH, the vertical momentum tendency must be |
C | In NH, the vertical momentum tendency must be |
21 |
C | calculated explicitly and included as a source term |
C | calculated explicitly and included as a source term |
22 |
C | for a 3d pressure eqn. Calculate that term here. |
C | for a 3d pressure eqn. Calculate that term here. |
23 |
C | This routine is not used in HYD calculations. |
C | This routine is not used in HYD calculations. |
24 |
C *==========================================================* |
C *==========================================================* |
25 |
C \ev |
C \ev |
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C !USES: |
C !USES: |
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IMPLICIT NONE |
IMPLICIT NONE |
31 |
#include "EEPARAMS.h" |
#include "EEPARAMS.h" |
32 |
#include "PARAMS.h" |
#include "PARAMS.h" |
33 |
#include "GRID.h" |
#include "GRID.h" |
34 |
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#include "RESTART.h" |
35 |
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#include "SURFACE.h" |
36 |
#include "DYNVARS.h" |
#include "DYNVARS.h" |
37 |
#include "NH_VARS.h" |
#include "NH_VARS.h" |
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39 |
C !INPUT/OUTPUT PARAMETERS: |
C !INPUT/OUTPUT PARAMETERS: |
40 |
C == Routine arguments == |
C == Routine arguments == |
41 |
C myTime :: Current time in simulation |
C bi,bj :: current tile indices |
42 |
C myIter :: Current iteration number in simulation |
C KappaRU :: vertical viscosity at U points |
43 |
C myThid :: Thread number for this instance of the routine. |
C KappaRV :: vertical viscosity at V points |
44 |
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C myTime :: Current time in simulation |
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C myIter :: Current iteration number in simulation |
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C myThid :: Thread number for this instance of the routine. |
47 |
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INTEGER bi,bj |
48 |
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_RL KappaRU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
49 |
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_RL KappaRV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
50 |
_RL myTime |
_RL myTime |
51 |
INTEGER myIter |
INTEGER myIter |
52 |
INTEGER myThid |
INTEGER myThid |
55 |
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56 |
C !LOCAL VARIABLES: |
C !LOCAL VARIABLES: |
57 |
C == Local variables == |
C == Local variables == |
58 |
C bi, bj, :: Loop counters |
C iMin,iMax |
59 |
C iMin, iMax, |
C jMin,jMax |
60 |
C jMin, jMax |
C xA :: W-Cell face area normal to X |
61 |
C flx_NS :: Temp. used for fVol meridional terms. |
C yA :: W-Cell face area normal to Y |
62 |
C flx_EW :: Temp. used for fVol zonal terms. |
C rThickC_W :: thickness (in r-units) of W-Cell at Western Edge |
63 |
C flx_Up :: Temp. used for fVol vertical terms. |
C rThickC_S :: thickness (in r-units) of W-Cell at Southern Edge |
64 |
C flx_Dn :: Temp. used for fVol vertical terms. |
C rThickC_C :: thickness (in r-units) of W-Cell (centered on W pt) |
65 |
INTEGER bi,bj,iMin,iMax,jMin,jMax |
C recip_rThickC :: reciprol thickness of W-Cell (centered on W-point) |
66 |
_RL flx_NS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
C flx_NS :: vertical momentum flux, meridional direction |
67 |
_RL flx_EW(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
C flx_EW :: vertical momentum flux, zonal direction |
68 |
_RL flx_Dn(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
C flxAdvUp :: vertical mom. advective flux, vertical direction (@ level k-1) |
69 |
_RL flx_Up(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
C flxDisUp :: vertical mom. dissipation flux, vertical direction (@ level k-1) |
70 |
_RL fZon(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
C flx_Dn :: vertical momentum flux, vertical direction (@ level k) |
71 |
_RL fMer(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
C gwDiss :: vertical momentum dissipation tendency |
72 |
_RL del2w(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
C gwAdd :: other tendencies (Coriolis, Metric-terms) |
73 |
C i,j,k - Loop counters |
C del2w :: laplacian of wVel |
74 |
INTEGER i,j,k, kP1 |
C wFld :: local copy of wVel |
75 |
_RL wOverride |
C i,j,k :: Loop counters |
76 |
_RS hFacWtmp |
INTEGER iMin,iMax,jMin,jMax |
77 |
_RS hFacStmp |
_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
78 |
_RS hFacCtmp |
_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
79 |
_RS recip_hFacCtmp |
_RL rThickC_W (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
80 |
_RL ab15,ab05 |
_RL rThickC_S (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
81 |
_RL slipSideFac |
_RL rThickC_C (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
82 |
_RL tmp_VbarZ, tmp_UbarZ, tmp_WbarZ |
_RL recip_rThickC(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
83 |
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_RL flx_NS(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
84 |
_RL Half |
_RL flx_EW(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
85 |
PARAMETER(Half=0.5D0) |
_RL flx_Dn(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
86 |
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_RL flxAdvUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
87 |
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_RL flxDisUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
88 |
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_RL gwDiss(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
89 |
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_RL gwAdd (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
90 |
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_RL del2w (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
91 |
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_RL wFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
92 |
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INTEGER i,j,k, kp1 |
93 |
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_RL wOverride, surfFac |
94 |
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_RL tmp_WbarZ |
95 |
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_RL uTrans, vTrans, rTrans |
96 |
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_RL viscLoc |
97 |
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_RL halfRL |
98 |
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_RS halfRS, zeroRS |
99 |
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PARAMETER( halfRL = 0.5D0 ) |
100 |
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PARAMETER( halfRS = 0.5 , zeroRS = 0. ) |
101 |
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PARAMETER( iMin = 1 , iMax = sNx ) |
102 |
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PARAMETER( jMin = 1 , jMax = sNy ) |
103 |
CEOP |
CEOP |
104 |
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#ifdef ALLOW_DIAGNOSTICS |
105 |
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LOGICAL diagDiss, diagAdvec |
106 |
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LOGICAL DIAGNOSTICS_IS_ON |
107 |
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EXTERNAL DIAGNOSTICS_IS_ON |
108 |
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#endif /* ALLOW_DIAGNOSTICS */ |
109 |
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110 |
iMin = 1 |
C-- Catch barotropic mode |
111 |
iMax = sNx |
IF ( Nr .LT. 2 ) RETURN |
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jMin = 1 |
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jMax = sNy |
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C Adams-Bashforth timestepping weights |
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IF (myIter .EQ. 0) THEN |
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ab15 = 1.0 _d 0 |
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ab05 = 0.0 _d 0 |
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ELSE |
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ab15 = 1.5 _d 0 + abeps |
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ab05 = -0.5 _d 0 - abeps |
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ENDIF |
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112 |
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113 |
C Lateral friction (no-slip, free slip, or half slip): |
#ifdef ALLOW_DIAGNOSTICS |
114 |
IF ( no_slip_sides ) THEN |
IF ( useDiagnostics ) THEN |
115 |
slipSideFac = -1. _d 0 |
diagDiss = DIAGNOSTICS_IS_ON( 'Wm_Diss ', myThid ) |
116 |
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diagAdvec = DIAGNOSTICS_IS_ON( 'Wm_Advec', myThid ) |
117 |
ELSE |
ELSE |
118 |
slipSideFac = 1. _d 0 |
diagDiss = .FALSE. |
119 |
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diagAdvec = .FALSE. |
120 |
ENDIF |
ENDIF |
121 |
CML half slip was used before ; keep the line for now, but half slip is |
#endif /* ALLOW_DIAGNOSTICS */ |
122 |
CML not used anywhere in the code as far as I can see. |
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123 |
C slipSideFac = 0. _d 0 |
C-- Initialise gW to zero |
124 |
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DO k=1,Nr |
125 |
DO bj=myByLo(myThid),myByHi(myThid) |
DO j=1-OLy,sNy+OLy |
126 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
DO i=1-OLx,sNx+OLx |
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DO K=1,Nr |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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127 |
gW(i,j,k,bi,bj) = 0. |
gW(i,j,k,bi,bj) = 0. |
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ENDDO |
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128 |
ENDDO |
ENDDO |
129 |
ENDDO |
ENDDO |
130 |
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ENDDO |
131 |
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C- Initialise gwDiss to zero |
132 |
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DO j=1-OLy,sNy+OLy |
133 |
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DO i=1-OLx,sNx+OLx |
134 |
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gwDiss(i,j) = 0. |
135 |
ENDDO |
ENDDO |
136 |
ENDDO |
ENDDO |
137 |
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IF (momViscosity) THEN |
138 |
C Catch barotropic mode |
C- Initialize del2w to zero: |
139 |
IF ( Nr .LT. 2 ) RETURN |
DO j=1-Oly,sNy+Oly |
140 |
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DO i=1-Olx,sNx+Olx |
141 |
C For each tile |
del2w(i,j) = 0. _d 0 |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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C Boundaries condition at top |
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DO J=jMin,jMax |
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DO I=iMin,iMax |
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Flx_Dn(I,J,bi,bj)=0. |
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142 |
ENDDO |
ENDDO |
143 |
ENDDO |
ENDDO |
144 |
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ENDIF |
145 |
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146 |
C Sweep down column |
C-- Boundaries condition at top (vertical advection of vertical momentum): |
147 |
DO K=2,Nr |
C Setting surfFac=0 ignores surface wVel (as if wVel_k=1 = 0) |
148 |
Kp1=K+1 |
surfFac = 1. _d 0 |
149 |
wOverRide=1. |
c surfFac = 0. _d 0 |
150 |
if (K.EQ.Nr) then |
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151 |
Kp1=Nr |
C--- Sweep down column |
152 |
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DO k=2,Nr |
153 |
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kp1=k+1 |
154 |
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wOverRide=1. |
155 |
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IF (k.EQ.Nr) THEN |
156 |
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kp1=Nr |
157 |
wOverRide=0. |
wOverRide=0. |
158 |
endif |
ENDIF |
159 |
C horizontal bi-harmonic dissipation |
C-- Compute grid factor arround a W-point: |
160 |
IF (momViscosity .AND. viscA4W.NE.0. ) THEN |
#ifdef CALC_GW_NEW_THICK |
161 |
C calculate the horizontal Laplacian of vertical flow |
DO j=1-Oly,sNy+Oly |
162 |
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DO i=1-Olx,sNx+Olx |
163 |
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IF ( maskC(i,j,k-1,bi,bj).EQ.0. .OR. |
164 |
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& maskC(i,j, k ,bi,bj).EQ.0. ) THEN |
165 |
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recip_rThickC(i,j) = 0. |
166 |
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ELSE |
167 |
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C- valid in z & p coord.; also accurate if Interface @ middle between 2 centers |
168 |
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recip_rThickC(i,j) = 1. _d 0 / |
169 |
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& ( MIN( Ro_surf(i,j,bi,bj),rC(k-1) ) |
170 |
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& - MAX( R_low(i,j,bi,bj), rC(k) ) |
171 |
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& ) |
172 |
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ENDIF |
173 |
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ENDDO |
174 |
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ENDDO |
175 |
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IF (momViscosity) THEN |
176 |
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DO j=1-Oly,sNy+Oly |
177 |
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DO i=1-Olx,sNx+Olx |
178 |
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rThickC_C(i,j) = MAX( zeroRS, |
179 |
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& MIN( Ro_surf(i,j,bi,bj), rC(k-1) ) |
180 |
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& -MAX( R_low(i,j,bi,bj), rC(k) ) |
181 |
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& ) |
182 |
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ENDDO |
183 |
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ENDDO |
184 |
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DO j=1-Oly,sNy+Oly |
185 |
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DO i=1-Olx+1,sNx+Olx |
186 |
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rThickC_W(i,j) = MAX( zeroRS, |
187 |
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& MIN( rSurfW(i,j,bi,bj), rC(k-1) ) |
188 |
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& -MAX( rLowW(i,j,bi,bj), rC(k) ) |
189 |
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& ) |
190 |
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C W-Cell Western face area: |
191 |
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xA(i,j) = _dyG(i,j,bi,bj)*rThickC_W(i,j) |
192 |
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c & *deepFacF(k) |
193 |
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ENDDO |
194 |
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ENDDO |
195 |
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DO j=1-Oly+1,sNy+Oly |
196 |
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DO i=1-Olx,sNx+Olx |
197 |
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rThickC_S(i,j) = MAX( zeroRS, |
198 |
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& MIN( rSurfS(i,j,bi,bj), rC(k-1) ) |
199 |
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& -MAX( rLowS(i,j,bi,bj), rC(k) ) |
200 |
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& ) |
201 |
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C W-Cell Southern face area: |
202 |
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yA(i,j) = _dxG(i,j,bi,bj)*rThickC_S(i,j) |
203 |
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c & *deepFacF(k) |
204 |
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C deep-model: xA,yA is only used for viscous flux, in terms like: xA/dxC,yA/dyC. |
205 |
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C this gives deepFacF*recip_deepFacF => cancel each other (and therefore omitted) |
206 |
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ENDDO |
207 |
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ENDDO |
208 |
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ENDIF |
209 |
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#else /* CALC_GW_NEW_THICK */ |
210 |
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DO j=1-Oly,sNy+Oly |
211 |
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DO i=1-Olx,sNx+Olx |
212 |
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C- note: assume fluid @ smaller k than bottom: does not work in p-coordinate ! |
213 |
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IF ( maskC(i,j,k,bi,bj).EQ.0. ) THEN |
214 |
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recip_rThickC(i,j) = 0. |
215 |
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ELSE |
216 |
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recip_rThickC(i,j) = 1. _d 0 / |
217 |
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& ( drF(k-1)*halfRS |
218 |
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& + drF( k )*MIN( _hFacC(i,j, k ,bi,bj), halfRS ) |
219 |
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& ) |
220 |
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ENDIF |
221 |
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c IF (momViscosity) THEN |
222 |
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#ifdef NONLIN_FRSURF |
223 |
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rThickC_C(i,j) = |
224 |
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& drF(k-1)*MAX( h0FacC(i,j,k-1,bi,bj)-halfRS, zeroRS ) |
225 |
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& + drF( k )*MIN( h0FacC(i,j,k ,bi,bj), halfRS ) |
226 |
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#else |
227 |
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rThickC_C(i,j) = |
228 |
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& drF(k-1)*MAX( _hFacC(i,j,k-1,bi,bj)-halfRS, zeroRS ) |
229 |
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& + drF( k )*MIN( _hFacC(i,j,k ,bi,bj), halfRS ) |
230 |
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#endif |
231 |
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rThickC_W(i,j) = |
232 |
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& drF(k-1)*MAX( _hFacW(i,j,k-1,bi,bj)-halfRS, zeroRS ) |
233 |
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& + drF( k )*MIN( _hFacW(i,j,k ,bi,bj), halfRS ) |
234 |
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rThickC_S(i,j) = |
235 |
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& drF(k-1)*MAX( _hFacS(i,j,k-1,bi,bj)-halfRS, zeroRS ) |
236 |
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& + drF( k )*MIN( _hFacS(i,j, k ,bi,bj), halfRS ) |
237 |
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C W-Cell Western face area: |
238 |
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xA(i,j) = _dyG(i,j,bi,bj)*rThickC_W(i,j) |
239 |
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c & *deepFacF(k) |
240 |
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C W-Cell Southern face area: |
241 |
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yA(i,j) = _dxG(i,j,bi,bj)*rThickC_S(i,j) |
242 |
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c & *deepFacF(k) |
243 |
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C deep-model: xA,yA is only used for viscous flux, in terms like: xA/dxC,yA/dyC. |
244 |
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C this gives deepFacF*recip_deepFacF => cancel each other (and therefore omitted) |
245 |
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c ENDIF |
246 |
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ENDDO |
247 |
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ENDDO |
248 |
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#endif /* CALC_GW_NEW_THICK */ |
249 |
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250 |
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C-- horizontal bi-harmonic dissipation |
251 |
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IF (momViscosity .AND. viscA4W.NE.0. ) THEN |
252 |
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253 |
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C- local copy of wVel: |
254 |
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DO j=1-Oly,sNy+Oly |
255 |
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DO i=1-Olx,sNx+Olx |
256 |
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wFld(i,j) = wVel(i,j,k,bi,bj) |
257 |
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ENDDO |
258 |
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ENDDO |
259 |
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C- calculate the horizontal Laplacian of vertical flow |
260 |
C Zonal flux d/dx W |
C Zonal flux d/dx W |
261 |
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IF ( useCubedSphereExchange ) THEN |
262 |
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C to compute d/dx(W), fill corners with appropriate values: |
263 |
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CALL FILL_CS_CORNER_TR_RL( 1, .FALSE., |
264 |
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& wFld, bi,bj, myThid ) |
265 |
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ENDIF |
266 |
DO j=1-Oly,sNy+Oly |
DO j=1-Oly,sNy+Oly |
267 |
fZon(1-Olx,j)=0. |
flx_EW(1-Olx,j)=0. |
268 |
DO i=1-Olx+1,sNx+Olx |
DO i=1-Olx+1,sNx+Olx |
269 |
fZon(i,j) = drF(k)*_hFacC(i,j,k,bi,bj) |
flx_EW(i,j) = |
270 |
& *_dyG(i,j,bi,bj) |
& ( wFld(i,j) - wFld(i-1,j) ) |
271 |
& *_recip_dxC(i,j,bi,bj) |
& *_recip_dxC(i,j,bi,bj)*xA(i,j) |
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& *(wVel(i,j,k,bi,bj)-wVel(i-1,j,k,bi,bj)) |
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272 |
#ifdef COSINEMETH_III |
#ifdef COSINEMETH_III |
273 |
& *sqcosFacU(J,bi,bj) |
& *sqCosFacU(j,bi,bj) |
274 |
#endif |
#endif |
275 |
ENDDO |
ENDDO |
276 |
ENDDO |
ENDDO |
277 |
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278 |
C Meridional flux d/dy W |
C Meridional flux d/dy W |
279 |
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IF ( useCubedSphereExchange ) THEN |
280 |
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C to compute d/dy(W), fill corners with appropriate values: |
281 |
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CALL FILL_CS_CORNER_TR_RL( 2, .FALSE., |
282 |
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& wFld, bi,bj, myThid ) |
283 |
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ENDIF |
284 |
DO i=1-Olx,sNx+Olx |
DO i=1-Olx,sNx+Olx |
285 |
fMer(I,1-Oly)=0. |
flx_NS(i,1-Oly)=0. |
286 |
ENDDO |
ENDDO |
287 |
DO j=1-Oly+1,sNy+Oly |
DO j=1-Oly+1,sNy+Oly |
288 |
DO i=1-Olx,sNx+Olx |
DO i=1-Olx,sNx+Olx |
289 |
fMer(i,j) = drF(k)*_hFacC(i,j,k,bi,bj) |
flx_NS(i,j) = |
290 |
& *_dxG(i,j,bi,bj) |
& ( wFld(i,j) - wFld(i,j-1) ) |
291 |
& *_recip_dyC(i,j,bi,bj) |
& *_recip_dyC(i,j,bi,bj)*yA(i,j) |
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& *(wVel(i,j,k,bi,bj)-wVel(i,j-1,k,bi,bj)) |
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292 |
#ifdef ISOTROPIC_COS_SCALING |
#ifdef ISOTROPIC_COS_SCALING |
293 |
#ifdef COSINEMETH_III |
#ifdef COSINEMETH_III |
294 |
& *sqCosFacV(j,bi,bj) |
& *sqCosFacV(j,bi,bj) |
295 |
#endif |
#endif |
296 |
#endif |
#endif |
297 |
ENDDO |
ENDDO |
298 |
ENDDO |
ENDDO |
299 |
|
|
300 |
C del^2 W |
C del^2 W |
301 |
C Difference of zonal fluxes ... |
C Divergence of horizontal fluxes |
302 |
DO j=1-Oly,sNy+Oly |
DO j=1-Oly,sNy+Oly-1 |
303 |
DO i=1-Olx,sNx+Olx-1 |
DO i=1-Olx,sNx+Olx-1 |
304 |
del2w(i,j)=fZon(i+1,j)-fZon(i,j) |
del2w(i,j) = ( ( flx_EW(i+1,j)-flx_EW(i,j) ) |
305 |
|
& +( flx_NS(i,j+1)-flx_NS(i,j) ) |
306 |
|
& )*recip_rA(i,j,bi,bj)*recip_rThickC(i,j) |
307 |
|
& *recip_deepFac2F(k) |
308 |
ENDDO |
ENDDO |
|
del2w(sNx+Olx,j)=0. |
|
309 |
ENDDO |
ENDDO |
310 |
|
C end if biharmonic viscosity |
311 |
|
ENDIF |
312 |
|
|
313 |
C ... add difference of meridional fluxes and divide by volume |
IF (momViscosity) THEN |
314 |
DO j=1-Oly,sNy+Oly-1 |
C Viscous Flux on Western face |
315 |
DO i=1-Olx,sNx+Olx |
DO j=jMin,jMax |
316 |
C First compute the fraction of open water for the w-control volume |
DO i=iMin,iMax+1 |
317 |
C at the southern face |
flx_EW(i,j)= |
318 |
hFacCtmp=max(hFacC(I,J,K-1,bi,bj)-Half,0. _d 0) |
& - (viscAh_W(i,j,k,bi,bj)+viscAh_W(i-1,j,k,bi,bj))*halfRL |
319 |
& + min(hFacC(I,J,K ,bi,bj),Half) |
& *(wVel(i,j,k,bi,bj)-wVel(i-1,j,k,bi,bj)) |
320 |
IF (hFacCtmp .GT. 0.) THEN |
& *_recip_dxC(i,j,bi,bj)*xA(i,j) |
321 |
recip_hFacCtmp = 1./hFacCtmp |
& *cosFacU(j,bi,bj) |
322 |
ELSE |
& + (viscA4_W(i,j,k,bi,bj)+viscA4_W(i-1,j,k,bi,bj))*halfRL |
323 |
recip_hFacCtmp = 0. _d 0 |
& *(del2w(i,j)-del2w(i-1,j)) |
324 |
ENDIF |
& *_recip_dxC(i,j,bi,bj)*xA(i,j) |
325 |
del2w(i,j)=recip_rA(i,j,bi,bj) |
#ifdef COSINEMETH_III |
326 |
& *recip_drC(k)*recip_hFacCtmp |
& *sqCosFacU(j,bi,bj) |
327 |
& *( |
#else |
328 |
& del2w(i,j) |
& *cosFacU(j,bi,bj) |
329 |
& +( fMer(i,j+1)-fMer(i,j) ) |
#endif |
|
& ) |
|
|
ENDDO |
|
|
ENDDO |
|
|
C-- No-slip BCs impose a drag at walls... |
|
|
CML ************************************************************ |
|
|
CML No-slip Boundary conditions for bi-harmonic dissipation |
|
|
CML need to be implemented here! |
|
|
CML ************************************************************ |
|
|
ELSE |
|
|
C- Initialize del2w to zero: |
|
|
DO j=1-Oly,sNy+Oly |
|
|
DO i=1-Olx,sNx+Olx |
|
|
del2w(i,j) = 0. _d 0 |
|
330 |
ENDDO |
ENDDO |
331 |
ENDDO |
ENDDO |
332 |
ENDIF |
C Viscous Flux on Southern face |
333 |
|
DO j=jMin,jMax+1 |
334 |
C Flux on Southern face |
DO i=iMin,iMax |
335 |
DO J=jMin,jMax+1 |
flx_NS(i,j)= |
336 |
DO I=iMin,iMax |
& - (viscAh_W(i,j,k,bi,bj)+viscAh_W(i,j-1,k,bi,bj))*halfRL |
337 |
C First compute the fraction of open water for the w-control volume |
& *(wVel(i,j,k,bi,bj)-wVel(i,j-1,k,bi,bj)) |
338 |
C at the southern face |
& *_recip_dyC(i,j,bi,bj)*yA(i,j) |
339 |
hFacStmp=max(hFacS(I,J,K-1,bi,bj)-Half,0. _d 0) |
#ifdef ISOTROPIC_COS_SCALING |
340 |
& + min(hFacS(I,J,K ,bi,bj),Half) |
& *cosFacV(j,bi,bj) |
341 |
tmp_VbarZ=Half*( |
#endif |
342 |
& _hFacS(I,J,K-1,bi,bj)*vVel( I ,J,K-1,bi,bj) |
& + (viscA4_W(i,j,k,bi,bj)+viscA4_W(i,j-1,k,bi,bj))*halfRL |
343 |
& +_hFacS(I,J, K ,bi,bj)*vVel( I ,J, K ,bi,bj)) |
& *(del2w(i,j)-del2w(i,j-1)) |
344 |
Flx_NS(I,J,bi,bj)= |
& *_recip_dyC(i,j,bi,bj)*yA(i,j) |
|
& tmp_VbarZ*Half*(wVel(I,J,K,bi,bj)+wVel(I,J-1,K,bi,bj)) |
|
|
& -viscAhW*_recip_dyC(I,J,bi,bj) |
|
|
& *(hFacStmp*(wVel(I,J,K,bi,bj)-wVel(I,J-1,K,bi,bj)) |
|
|
& +(1. _d 0 - hFacStmp)*(1. _d 0 - slipSideFac) |
|
|
& *wVel(I,J,K,bi,bj)) |
|
|
& +viscA4W*_recip_dyC(I,J,bi,bj)*(del2w(I,J)-del2w(I,J-1)) |
|
345 |
#ifdef ISOTROPIC_COS_SCALING |
#ifdef ISOTROPIC_COS_SCALING |
346 |
#ifdef COSINEMETH_III |
#ifdef COSINEMETH_III |
347 |
& *sqCosFacV(j,bi,bj) |
& *sqCosFacV(j,bi,bj) |
348 |
#else |
#else |
349 |
& *CosFacV(j,bi,bj) |
& *cosFacV(j,bi,bj) |
350 |
#endif |
#endif |
351 |
#endif |
#endif |
352 |
C The last term is the weighted average of the viscous stress at the open |
ENDDO |
|
C fraction of the w control volume and at the closed fraction of the |
|
|
C the control volume. A more compact but less intelligible version |
|
|
C of the last three lines is: |
|
|
CML & *( (1 _d 0 - slipSideFac*(1 _d 0 - hFacStmp)) |
|
|
CML & *wVel(I,J,K,bi,bi) + hFacStmp*wVel(I,J-1,K,bi,bj) ) |
|
353 |
ENDDO |
ENDDO |
354 |
ENDDO |
C Viscous Flux on Lower face of W-Cell (= at tracer-cell center, level k) |
355 |
C Flux on Western face |
DO j=jMin,jMax |
356 |
DO J=jMin,jMax |
DO i=iMin,iMax |
357 |
DO I=iMin,iMax+1 |
C Interpolate vert viscosity to center of tracer-cell (level k): |
358 |
C First compute the fraction of open water for the w-control volume |
viscLoc = ( KappaRU(i,j,k) +KappaRU(i+1,j,k) |
359 |
C at the western face |
& +KappaRU(i,j,kp1)+KappaRU(i+1,j,kp1) |
360 |
hFacWtmp=max(hFacW(I,J,K-1,bi,bj)-Half,0. _d 0) |
& +KappaRV(i,j,k) +KappaRV(i,j+1,k) |
361 |
& + min(hFacW(I,J,K ,bi,bj),Half) |
& +KappaRV(i,j,kp1)+KappaRV(i,j+1,kp1) |
362 |
tmp_UbarZ=Half*( |
& )*0.125 _d 0 |
363 |
& _hFacW(I,J,K-1,bi,bj)*uVel( I ,J,K-1,bi,bj) |
flx_Dn(i,j) = |
364 |
& +_hFacW(I,J, K ,bi,bj)*uVel( I ,J, K ,bi,bj)) |
& - viscLoc*( wVel(i,j,kp1,bi,bj)*wOverRide |
365 |
Flx_EW(I,J,bi,bj)= |
& -wVel(i,j, k ,bi,bj) )*rkSign |
366 |
& tmp_UbarZ*Half*(wVel(I,J,K,bi,bj)+wVel(I-1,J,K,bi,bj)) |
& *recip_drF(k)*rA(i,j,bi,bj) |
367 |
& -viscAhW*_recip_dxC(I,J,bi,bj) |
& *deepFac2C(k)*rhoFacC(k) |
368 |
& *(hFacWtmp*(wVel(I,J,K,bi,bj)-wVel(I-1,J,K,bi,bj)) |
ENDDO |
|
& +(1 _d 0 - hFacWtmp)*(1 _d 0 - slipSideFac) |
|
|
& *wVel(I,J,K,bi,bj) ) |
|
|
& +viscA4W*_recip_dxC(I,J,bi,bj)*(del2w(I,J)-del2w(I-1,J)) |
|
|
#ifdef COSINEMETH_III |
|
|
& *sqCosFacU(j,bi,bj) |
|
|
#else |
|
|
& *CosFacU(j,bi,bj) |
|
|
#endif |
|
|
C The last term is the weighted average of the viscous stress at the open |
|
|
C fraction of the w control volume and at the closed fraction of the |
|
|
C the control volume. A more compact but less intelligible version |
|
|
C of the last three lines is: |
|
|
CML & *( (1 _d 0 - slipSideFac*(1 _d 0 - hFacWtmp)) |
|
|
CML & *wVel(I,J,K,bi,bi) + hFacWtmp*wVel(I-1,J,K,bi,bj) ) |
|
369 |
ENDDO |
ENDDO |
370 |
ENDDO |
IF ( k.EQ.2 ) THEN |
371 |
C Flux on Lower face |
C Viscous Flux on Upper face of W-Cell (= at tracer-cell center, level k-1) |
372 |
DO J=jMin,jMax |
DO j=jMin,jMax |
373 |
DO I=iMin,iMax |
DO i=iMin,iMax |
374 |
Flx_Up(I,J,bi,bj)=Flx_Dn(I,J,bi,bj) |
C Interpolate horizontally (but not vertically) vert viscosity to center: |
375 |
tmp_WbarZ=Half*(wVel(I,J,K,bi,bj) |
C Although background visc. might be defined at k=1, this is not |
376 |
& +wOverRide*wVel(I,J,Kp1,bi,bj)) |
C generally true when using variable visc. (from vertical mixing scheme). |
377 |
Flx_Dn(I,J,bi,bj)= |
C Therefore, no vert. interp. and only horizontal interpolation. |
378 |
& tmp_WbarZ*tmp_WbarZ |
viscLoc = ( KappaRU(i,j,k) + KappaRU(i+1,j,k) |
379 |
& -viscAr*recip_drF(K) |
& +KappaRV(i,j,k) + KappaRV(i,j+1,k) |
380 |
& *( wVel(I,J,K,bi,bj)-wOverRide*wVel(I,J,Kp1,bi,bj) ) |
& )*0.25 _d 0 |
381 |
|
flxDisUp(i,j) = |
382 |
|
& - viscLoc*( wVel(i,j, k ,bi,bj) |
383 |
|
& -wVel(i,j,k-1,bi,bj) )*rkSign |
384 |
|
& *recip_drF(k-1)*rA(i,j,bi,bj) |
385 |
|
& *deepFac2C(k-1)*rhoFacC(k-1) |
386 |
|
C to recover old (before 2009/11/30) results (since flxDisUp(k=2) was zero) |
387 |
|
c flxDisUp(i,j) = 0. |
388 |
|
ENDDO |
389 |
|
ENDDO |
390 |
|
ENDIF |
391 |
|
C Tendency is minus divergence of viscous fluxes: |
392 |
|
C anelastic: vert.visc.flx is scaled by rhoFac but hor.visc.fluxes are not |
393 |
|
DO j=jMin,jMax |
394 |
|
DO i=iMin,iMax |
395 |
|
gwDiss(i,j) = |
396 |
|
& -( ( flx_EW(i+1,j)-flx_EW(i,j) ) |
397 |
|
& + ( flx_NS(i,j+1)-flx_NS(i,j) ) |
398 |
|
& + ( flx_Dn(i,j)-flxDisUp(i,j) )*rkSign |
399 |
|
& *recip_rhoFacF(k) |
400 |
|
& )*recip_rA(i,j,bi,bj)*recip_rThickC(i,j) |
401 |
|
& *recip_deepFac2F(k) |
402 |
|
C-- prepare for next level (k+1) |
403 |
|
flxDisUp(i,j)=flx_Dn(i,j) |
404 |
|
ENDDO |
405 |
ENDDO |
ENDDO |
406 |
ENDDO |
ENDIF |
407 |
C Divergence of fluxes |
|
408 |
DO J=jMin,jMax |
IF ( momViscosity .AND. no_slip_sides ) THEN |
409 |
DO I=iMin,iMax |
C- No-slip BCs impose a drag at walls... |
410 |
gW(I,J,K,bi,bj) = 0. |
CALL MOM_W_SIDEDRAG( |
411 |
& -( |
I bi,bj,k, |
412 |
& +_recip_dxF(I,J,bi,bj)*( |
I wVel, del2w, |
413 |
& Flx_EW(I+1,J,bi,bj)-Flx_EW(I,J,bi,bj) ) |
I rThickC_C, recip_rThickC, |
414 |
& +_recip_dyF(I,J,bi,bj)*( |
I viscAh_W, viscA4_W, |
415 |
& Flx_NS(I,J+1,bi,bj)-Flx_NS(I,J,bi,bj) ) |
O gwAdd, |
416 |
& +recip_drC(K) *( |
I myThid ) |
417 |
& Flx_Up(I,J,bi,bj) -Flx_Dn(I,J,bi,bj) ) |
DO j=jMin,jMax |
418 |
& ) |
DO i=iMin,iMax |
419 |
caja * recip_hFacU(I,J,K,bi,bj) |
gwDiss(i,j) = gwDiss(i,j) + gwAdd(i,j) |
420 |
caja NOTE: This should be included |
ENDDO |
|
caja but we need an hFacUW (above U points) |
|
|
caja and an hFacUS (above V points) too... |
|
421 |
ENDDO |
ENDDO |
422 |
ENDDO |
ENDIF |
|
ENDDO |
|
|
ENDDO |
|
|
ENDDO |
|
423 |
|
|
424 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
425 |
|
|
426 |
DO bj=myByLo(myThid),myByHi(myThid) |
IF ( momAdvection ) THEN |
427 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
C Advective Flux on Western face |
428 |
DO K=2,Nr |
DO j=jMin,jMax |
429 |
DO j=jMin,jMax |
DO i=iMin,iMax+1 |
430 |
DO i=iMin,iMax |
C transport through Western face area: |
431 |
wVel(i,j,k,bi,bj) = wVel(i,j,k,bi,bj) |
uTrans = ( |
432 |
& +deltatMom*nh_Am2*( ab15*gW(i,j,k,bi,bj) |
& drF(k-1)*_hFacW(i,j,k-1,bi,bj)*uVel(i,j,k-1,bi,bj) |
433 |
& +ab05*gwNm1(i,j,k,bi,bj) ) |
& *rhoFacC(k-1) |
434 |
IF (hFacC(I,J,K,bi,bj).EQ.0.) wVel(i,j,k,bi,bj)=0. |
& + drF( k )*_hFacW(i,j, k ,bi,bj)*uVel(i,j, k ,bi,bj) |
435 |
gwNm1(i,j,k,bi,bj) = gW(i,j,k,bi,bj) |
& *rhoFacC(k) |
436 |
|
& )*halfRL*_dyG(i,j,bi,bj)*deepFacF(k) |
437 |
|
flx_EW(i,j)= |
438 |
|
& uTrans*(wVel(i,j,k,bi,bj)+wVel(i-1,j,k,bi,bj))*halfRL |
439 |
|
ENDDO |
440 |
ENDDO |
ENDDO |
441 |
ENDDO |
C Advective Flux on Southern face |
442 |
ENDDO |
DO j=jMin,jMax+1 |
443 |
ENDDO |
DO i=iMin,iMax |
444 |
|
C transport through Southern face area: |
445 |
|
vTrans = ( |
446 |
|
& drF(k-1)*_hFacS(i,j,k-1,bi,bj)*vVel(i,j,k-1,bi,bj) |
447 |
|
& *rhoFacC(k-1) |
448 |
|
& +drF( k )*_hFacS(i,j, k ,bi,bj)*vVel(i,j, k ,bi,bj) |
449 |
|
& *rhoFacC(k) |
450 |
|
& )*halfRL*_dxG(i,j,bi,bj)*deepFacF(k) |
451 |
|
flx_NS(i,j)= |
452 |
|
& vTrans*(wVel(i,j,k,bi,bj)+wVel(i,j-1,k,bi,bj))*halfRL |
453 |
|
ENDDO |
454 |
|
ENDDO |
455 |
|
C Advective Flux on Lower face of W-Cell (= at tracer-cell center, level k) |
456 |
|
DO j=jMin,jMax |
457 |
|
DO i=iMin,iMax |
458 |
|
C NH in p-coord.: advect wSpeed [m/s] with rTrans |
459 |
|
tmp_WbarZ = halfRL* |
460 |
|
& ( wVel(i,j, k ,bi,bj)*rVel2wUnit(k) |
461 |
|
& +wVel(i,j,kp1,bi,bj)*rVel2wUnit(kp1)*wOverRide ) |
462 |
|
C transport through Lower face area: |
463 |
|
rTrans = halfRL* |
464 |
|
& ( wVel(i,j, k ,bi,bj)*deepFac2F( k )*rhoFacF( k ) |
465 |
|
& +wVel(i,j,kp1,bi,bj)*deepFac2F(kp1)*rhoFacF(kp1) |
466 |
|
& *wOverRide |
467 |
|
& )*rA(i,j,bi,bj) |
468 |
|
flx_Dn(i,j) = rTrans*tmp_WbarZ |
469 |
|
ENDDO |
470 |
|
ENDDO |
471 |
|
IF ( k.EQ.2 ) THEN |
472 |
|
C Advective Flux on Upper face of W-Cell (= at tracer-cell center, level k-1) |
473 |
|
DO j=jMin,jMax |
474 |
|
DO i=iMin,iMax |
475 |
|
tmp_WbarZ = halfRL* |
476 |
|
& ( wVel(i,j,k-1,bi,bj)*rVel2wUnit(k-1)*surfFac |
477 |
|
& +wVel(i,j, k, bi,bj)*rVel2wUnit( k ) ) |
478 |
|
rTrans = halfRL* |
479 |
|
& ( wVel(i,j,k-1,bi,bj)*deepFac2F(k-1)*rhoFacF(k-1) |
480 |
|
& *surfFac |
481 |
|
& +wVel(i,j, k ,bi,bj)*deepFac2F( k )*rhoFacF( k ) |
482 |
|
& )*rA(i,j,bi,bj) |
483 |
|
flxAdvUp(i,j) = rTrans*tmp_WbarZ |
484 |
|
C to recover old (before 2009/11/30) results (since flxAdvUp(k=2) was zero) |
485 |
|
c flxAdvUp(i,j) = 0. |
486 |
|
ENDDO |
487 |
|
ENDDO |
488 |
|
ENDIF |
489 |
|
C Tendency is minus divergence of advective fluxes: |
490 |
|
C anelastic: all transports & advect. fluxes are scaled by rhoFac |
491 |
|
DO j=jMin,jMax |
492 |
|
DO i=iMin,iMax |
493 |
|
gW(i,j,k,bi,bj) = |
494 |
|
& -( ( flx_EW(i+1,j)-flx_EW(i,j) ) |
495 |
|
& + ( flx_NS(i,j+1)-flx_NS(i,j) ) |
496 |
|
& + ( flx_Dn(i,j)-flxAdvUp(i,j) )*rkSign*wUnit2rVel(k) |
497 |
|
& )*recip_rA(i,j,bi,bj)*recip_rThickC(i,j) |
498 |
|
& *recip_deepFac2F(k)*recip_rhoFacF(k) |
499 |
|
C-- prepare for next level (k+1) |
500 |
|
flxAdvUp(i,j)=flx_Dn(i,j) |
501 |
|
ENDDO |
502 |
|
ENDDO |
503 |
|
ENDIF |
504 |
|
|
505 |
|
IF ( useNHMTerms ) THEN |
506 |
|
CALL MOM_W_METRIC_NH( |
507 |
|
I bi,bj,k, |
508 |
|
I uVel, vVel, |
509 |
|
O gwAdd, |
510 |
|
I myThid ) |
511 |
|
DO j=jMin,jMax |
512 |
|
DO i=iMin,iMax |
513 |
|
gW(i,j,k,bi,bj) = gW(i,j,k,bi,bj)+gwAdd(i,j) |
514 |
|
ENDDO |
515 |
|
ENDDO |
516 |
|
ENDIF |
517 |
|
IF ( use3dCoriolis ) THEN |
518 |
|
CALL MOM_W_CORIOLIS_NH( |
519 |
|
I bi,bj,k, |
520 |
|
I uVel, vVel, |
521 |
|
O gwAdd, |
522 |
|
I myThid ) |
523 |
|
DO j=jMin,jMax |
524 |
|
DO i=iMin,iMax |
525 |
|
gW(i,j,k,bi,bj) = gW(i,j,k,bi,bj)+gwAdd(i,j) |
526 |
|
ENDDO |
527 |
|
ENDDO |
528 |
|
ENDIF |
529 |
|
|
530 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
531 |
|
|
532 |
|
#ifdef ALLOW_DIAGNOSTICS |
533 |
|
IF ( diagDiss ) THEN |
534 |
|
CALL DIAGNOSTICS_FILL( gwDiss, 'Wm_Diss ', |
535 |
|
& k, 1, 2, bi,bj, myThid ) |
536 |
|
C- note: needs to explicitly increment the counter since DIAGNOSTICS_FILL |
537 |
|
C does it only if k=1 (never the case here) |
538 |
|
IF ( k.EQ.2 ) CALL DIAGNOSTICS_COUNT('Wm_Diss ',bi,bj,myThid) |
539 |
|
ENDIF |
540 |
|
IF ( diagAdvec ) THEN |
541 |
|
CALL DIAGNOSTICS_FILL( gW, 'Wm_Advec', |
542 |
|
& k,Nr, 1, bi,bj, myThid ) |
543 |
|
IF ( k.EQ.2 ) CALL DIAGNOSTICS_COUNT('Wm_Advec',bi,bj,myThid) |
544 |
|
ENDIF |
545 |
|
#endif /* ALLOW_DIAGNOSTICS */ |
546 |
|
|
547 |
|
C-- Dissipation term inside the Adams-Bashforth: |
548 |
|
IF ( momViscosity .AND. momDissip_In_AB) THEN |
549 |
|
DO j=jMin,jMax |
550 |
|
DO i=iMin,iMax |
551 |
|
gW(i,j,k,bi,bj) = gW(i,j,k,bi,bj)+gwDiss(i,j) |
552 |
|
ENDDO |
553 |
|
ENDDO |
554 |
|
ENDIF |
555 |
|
|
556 |
|
C- Compute effective gW_[n+1/2] terms (including Adams-Bashforth weights) |
557 |
|
C and save gW_[n] into gwNm1 for the next time step. |
558 |
|
c#ifdef ALLOW_ADAMSBASHFORTH_3 |
559 |
|
c CALL ADAMS_BASHFORTH3( |
560 |
|
c I bi, bj, k, |
561 |
|
c U gW, gwNm, |
562 |
|
c I nHydStartAB, myIter, myThid ) |
563 |
|
c#else /* ALLOW_ADAMSBASHFORTH_3 */ |
564 |
|
CALL ADAMS_BASHFORTH2( |
565 |
|
I bi, bj, k, |
566 |
|
U gW, gwNm1, |
567 |
|
I nHydStartAB, myIter, myThid ) |
568 |
|
c#endif /* ALLOW_ADAMSBASHFORTH_3 */ |
569 |
|
|
570 |
|
C-- Dissipation term outside the Adams-Bashforth: |
571 |
|
IF ( momViscosity .AND. .NOT.momDissip_In_AB ) THEN |
572 |
|
DO j=jMin,jMax |
573 |
|
DO i=iMin,iMax |
574 |
|
gW(i,j,k,bi,bj) = gW(i,j,k,bi,bj)+gwDiss(i,j) |
575 |
|
ENDDO |
576 |
|
ENDDO |
577 |
|
ENDIF |
578 |
|
|
579 |
|
C- end of the k loop |
580 |
ENDDO |
ENDDO |
581 |
|
|
582 |
#ifdef ALLOW_OBCS |
#ifdef ALLOW_DIAGNOSTICS |
583 |
IF (useOBCS) THEN |
IF (useDiagnostics) THEN |
584 |
C-- This call is aesthetic: it makes the W field |
CALL DIAGNOSTICS_FILL(viscAh_W,'VISCAHW ',0,Nr,1,bi,bj,myThid) |
585 |
C consistent with the OBs but this has no algorithmic |
CALL DIAGNOSTICS_FILL(viscA4_W,'VISCA4W ',0,Nr,1,bi,bj,myThid) |
|
C impact. This is purely for diagnostic purposes. |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
|
|
DO K=1,Nr |
|
|
CALL OBCS_APPLY_W( bi, bj, K, wVel, myThid ) |
|
|
ENDDO |
|
|
ENDDO |
|
|
ENDDO |
|
586 |
ENDIF |
ENDIF |
587 |
#endif /* ALLOW_OBCS */ |
#endif /* ALLOW_DIAGNOSTICS */ |
588 |
|
|
589 |
#endif /* ALLOW_NONHYDROSTATIC */ |
#endif /* ALLOW_NONHYDROSTATIC */ |
590 |
|
|