1 |
jmc |
1.11 |
C $Header: /u/gcmpack/MITgcm/model/src/ini_pressure.F,v 1.10 2007/01/31 22:26:56 jmc Exp $ |
2 |
edhill |
1.6 |
C $Name: $ |
3 |
mlosch |
1.1 |
|
4 |
|
|
#include "CPP_OPTIONS.h" |
5 |
|
|
|
6 |
|
|
CBOP |
7 |
|
|
C !ROUTINE: INI_PRESSURE |
8 |
|
|
C !INTERFACE: |
9 |
jmc |
1.3 |
SUBROUTINE INI_PRESSURE( myThid ) |
10 |
mlosch |
1.1 |
C !DESCRIPTION: \bv |
11 |
|
|
C *==========================================================* |
12 |
|
|
C | SUBROUTINE INI_PRESSURE |
13 |
jmc |
1.10 |
C | o initialise the pressure field consistently with |
14 |
mlosch |
1.1 |
C | temperature and salinity |
15 |
jmc |
1.10 |
C | - needs to be called after ini_theta, ini_salt, and |
16 |
mlosch |
1.1 |
C | ini_psurf |
17 |
|
|
C | - does not include surface pressure loading, because |
18 |
jmc |
1.10 |
C | that is only available until after |
19 |
jmc |
1.3 |
C | CALL packages_init_variables |
20 |
mlosch |
1.1 |
C *==========================================================* |
21 |
|
|
C \ev |
22 |
|
|
|
23 |
|
|
C !USES: |
24 |
jmc |
1.3 |
IMPLICIT NONE |
25 |
mlosch |
1.1 |
C == Global variables == |
26 |
|
|
#include "SIZE.h" |
27 |
|
|
#include "EEPARAMS.h" |
28 |
|
|
#include "PARAMS.h" |
29 |
|
|
#include "EOS.h" |
30 |
|
|
#include "GRID.h" |
31 |
|
|
#include "DYNVARS.h" |
32 |
|
|
|
33 |
|
|
C !INPUT/OUTPUT PARAMETERS: |
34 |
|
|
C == Routine arguments == |
35 |
|
|
C myThid - Number of this instance of INI_PRESSURE |
36 |
|
|
INTEGER myThid |
37 |
|
|
|
38 |
|
|
C !LOCAL VARIABLES: |
39 |
|
|
C == Local variables == |
40 |
jmc |
1.3 |
C dPhiHydX,Y :: Gradient (X & Y directions) of Hyd. Potential |
41 |
jmc |
1.10 |
C bi,bj :: tile indices |
42 |
|
|
C i,j,k :: Loop counters |
43 |
mlosch |
1.1 |
INTEGER bi, bj |
44 |
jmc |
1.10 |
INTEGER i, j, k |
45 |
jmc |
1.4 |
INTEGER iMin, iMax, jMin, jMax, npiter |
46 |
|
|
_RL PhiHydF (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
47 |
|
|
_RL PhiHydC (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
48 |
jmc |
1.3 |
_RL dPhiHydX(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
49 |
|
|
_RL dPhiHydY(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
50 |
jmc |
1.4 |
_RL oldPhi (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
51 |
jmc |
1.8 |
_RL count, rmspp, rmsppold |
52 |
jmc |
1.10 |
_RL sumTile, rmsTile |
53 |
mlosch |
1.1 |
|
54 |
|
|
CHARACTER*(MAX_LEN_MBUF) msgBuf |
55 |
mlosch |
1.2 |
CEOP |
56 |
mlosch |
1.1 |
iMin = 1-OLx |
57 |
|
|
iMax = sNx+OLx |
58 |
|
|
jMin = 1-OLy |
59 |
|
|
jMax = sNy+OLy |
60 |
jmc |
1.8 |
|
61 |
jmc |
1.9 |
_BEGIN_MASTER( myThid ) |
62 |
jmc |
1.3 |
WRITE(msgBuf,'(a)') |
63 |
mlosch |
1.1 |
& 'Start initial hydrostatic pressure computation' |
64 |
jmc |
1.8 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
65 |
|
|
& SQUEEZE_RIGHT , myThid) |
66 |
jmc |
1.9 |
_END_MASTER( myThid ) |
67 |
|
|
|
68 |
jmc |
1.3 |
DO bj = myByLo(myThid), myByHi(myThid) |
69 |
|
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
70 |
|
|
DO k = 1,Nr |
71 |
|
|
DO j=1-OLy,sNy+OLy |
72 |
|
|
DO i=1-OLx,sNx+OLx |
73 |
jmc |
1.4 |
totPhiHyd(i,j,k,bi,bj) = 0. _d 0 |
74 |
jmc |
1.3 |
ENDDO |
75 |
|
|
ENDDO |
76 |
|
|
ENDDO |
77 |
|
|
ENDDO |
78 |
|
|
ENDDO |
79 |
mlosch |
1.1 |
|
80 |
jmc |
1.4 |
IF ( useDynP_inEos_Zc ) THEN |
81 |
mlosch |
1.1 |
|
82 |
heimbach |
1.5 |
#ifndef ALLOW_AUTODIFF_TAMC |
83 |
|
|
cph-- deal with this iterative loop for AD once it will |
84 |
|
|
cph-- really be needed; |
85 |
|
|
cph-- would need storing of totPhiHyd for each npiter |
86 |
|
|
|
87 |
mlosch |
1.1 |
rmspp = 1. _d 0 |
88 |
|
|
rmsppold = 0. _d 0 |
89 |
|
|
npiter = 0 |
90 |
|
|
|
91 |
|
|
C iterate pressure p = integral of (g*rho(p)*dz) |
92 |
jmc |
1.4 |
DO npiter= 1, 15 |
93 |
mlosch |
1.1 |
rmsppold = rmspp |
94 |
|
|
rmspp = 0. _d 0 |
95 |
jmc |
1.10 |
count = 0. _d 0 |
96 |
jmc |
1.3 |
DO bj = myByLo(myThid), myByHi(myThid) |
97 |
|
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
98 |
jmc |
1.10 |
rmsTile = 0. _d 0 |
99 |
|
|
sumTile = 0. _d 0 |
100 |
|
|
DO j=1-OLy,sNy+OLy |
101 |
|
|
DO i=1-OLx,sNx+OLx |
102 |
jmc |
1.4 |
phiHydF(i,j) = 0. _d 0 |
103 |
|
|
ENDDO |
104 |
jmc |
1.10 |
ENDDO |
105 |
jmc |
1.3 |
DO k = 1, Nr |
106 |
jmc |
1.10 |
C for each level save old pressure and compute new pressure |
107 |
jmc |
1.3 |
DO j=jMin,jMax |
108 |
|
|
DO i=iMin,iMax |
109 |
jmc |
1.4 |
oldPhi(i,j) = totPhiHyd(i,j,k,bi,bj) |
110 |
jmc |
1.3 |
ENDDO |
111 |
|
|
ENDDO |
112 |
|
|
CALL CALC_PHI_HYD( |
113 |
|
|
I bi, bj, iMin, iMax, jMin, jMax, k, |
114 |
jmc |
1.8 |
I theta, salt, |
115 |
jmc |
1.4 |
U phiHydF, |
116 |
|
|
O phiHydC, dPhiHydX, dPhiHydY, |
117 |
jmc |
1.11 |
I startTime, -1, myThid ) |
118 |
mlosch |
1.1 |
C compute convergence criterion |
119 |
jmc |
1.10 |
DO j=1,sNy |
120 |
|
|
DO i=1,sNx |
121 |
|
|
rmsTile = rmsTile |
122 |
jmc |
1.4 |
& + (totPhiHyd(i,j,k,bi,bj)-oldPhi(i,j))**2 |
123 |
jmc |
1.10 |
& * maskC(i,j,k,bi,bj) |
124 |
|
|
sumTile = sumTile + maskC(i,j,k,bi,bj) |
125 |
jmc |
1.3 |
ENDDO |
126 |
|
|
ENDDO |
127 |
jmc |
1.4 |
C -- end k loop |
128 |
jmc |
1.3 |
ENDDO |
129 |
jmc |
1.10 |
rmspp = rmspp + rmsTile |
130 |
|
|
count = count + sumTile |
131 |
jmc |
1.3 |
ENDDO |
132 |
|
|
ENDDO |
133 |
mlosch |
1.1 |
Cml WRITE(msgBuf,'(I10.10)') npiter |
134 |
|
|
Cml CALL WRITE_FLD_XYZ_RL( 'POLD.',msgBuf,pold,npiter,myThid) |
135 |
|
|
Cml CALL WRITE_FLD_XYZ_RL( 'PINI.',msgBuf,pressure,npiter,myThid) |
136 |
jmc |
1.4 |
_GLOBAL_SUM_R8( rmspp, myThid ) |
137 |
jmc |
1.8 |
_GLOBAL_SUM_R8( count, myThid ) |
138 |
jmc |
1.4 |
IF ( count .EQ. 0. ) THEN |
139 |
mlosch |
1.1 |
rmspp = 0. _d 0 |
140 |
jmc |
1.3 |
ELSE |
141 |
jmc |
1.10 |
rmspp = SQRT(rmspp/count) |
142 |
jmc |
1.3 |
ENDIF |
143 |
jmc |
1.9 |
_BEGIN_MASTER( myThid ) |
144 |
jmc |
1.10 |
WRITE(msgBuf,'(A,I4,A,1PE20.12)') |
145 |
|
|
& 'Iteration', npiter, ', RMS-difference =', rmspp |
146 |
jmc |
1.8 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
147 |
|
|
& SQUEEZE_RIGHT , myThid) |
148 |
jmc |
1.9 |
_END_MASTER( myThid ) |
149 |
mlosch |
1.1 |
|
150 |
jmc |
1.4 |
C -- end npiter loop |
151 |
jmc |
1.3 |
ENDDO |
152 |
mlosch |
1.1 |
C print some diagnostics |
153 |
jmc |
1.9 |
_BEGIN_MASTER( myThid ) |
154 |
jmc |
1.10 |
IF ( rmspp .NE. 0. ) THEN |
155 |
jmc |
1.3 |
IF ( rmspp .EQ. rmsppold ) THEN |
156 |
jmc |
1.4 |
WRITE(msgBuf,'(A)') |
157 |
jmc |
1.8 |
& 'Initial hydrostatic pressure did not converge perfectly,' |
158 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
159 |
|
|
& SQUEEZE_RIGHT , myThid) |
160 |
jmc |
1.4 |
WRITE(msgBuf,'(A)') |
161 |
mlosch |
1.1 |
& 'but the RMS-difference is constant, indicating that the' |
162 |
jmc |
1.8 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
163 |
|
|
& SQUEEZE_RIGHT , myThid) |
164 |
jmc |
1.4 |
WRITE(msgBuf,'(A)') |
165 |
jmc |
1.8 |
& 'algorithm converged within machine precision.' |
166 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
167 |
|
|
& SQUEEZE_RIGHT , myThid) |
168 |
jmc |
1.3 |
ELSE |
169 |
jmc |
1.4 |
WRITE(msgBuf,'(A,I2,A)') |
170 |
jmc |
1.8 |
& 'Initial hydrostatic pressure did not converge after ', |
171 |
mlosch |
1.1 |
& npiter-1, ' steps' |
172 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
173 |
|
|
STOP 'ABNORMAL END: S/R INI_PRESSURE' |
174 |
jmc |
1.3 |
ENDIF |
175 |
|
|
ENDIF |
176 |
jmc |
1.4 |
WRITE(msgBuf,'(A)') |
177 |
jmc |
1.8 |
& 'Initial hydrostatic pressure converged.' |
178 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
179 |
|
|
& SQUEEZE_RIGHT , myThid) |
180 |
jmc |
1.9 |
_END_MASTER( myThid ) |
181 |
mlosch |
1.1 |
|
182 |
heimbach |
1.5 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
183 |
|
|
|
184 |
|
|
c-- else of if useDynP_inEos_Zc |
185 |
jmc |
1.3 |
ELSE |
186 |
|
|
C print a message and DO nothing |
187 |
jmc |
1.9 |
_BEGIN_MASTER( myThid ) |
188 |
jmc |
1.4 |
WRITE(msgBuf,'(A,A)') |
189 |
mlosch |
1.1 |
& 'Pressure is predetermined for buoyancyRelation ', |
190 |
|
|
& buoyancyRelation(1:11) |
191 |
jmc |
1.8 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
192 |
|
|
& SQUEEZE_RIGHT , myThid) |
193 |
jmc |
1.9 |
_END_MASTER( myThid ) |
194 |
mlosch |
1.1 |
|
195 |
jmc |
1.3 |
ENDIF |
196 |
mlosch |
1.1 |
|
197 |
jmc |
1.9 |
_BEGIN_MASTER( myThid ) |
198 |
jmc |
1.4 |
WRITE(msgBuf,'(A)') ' ' |
199 |
jmc |
1.8 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
200 |
|
|
& SQUEEZE_RIGHT , myThid) |
201 |
jmc |
1.9 |
_END_MASTER( myThid ) |
202 |
mlosch |
1.1 |
|
203 |
jmc |
1.8 |
RETURN |
204 |
jmc |
1.3 |
END |