/[MITgcm]/MITgcm/model/src/ini_pressure.F
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Contents of /MITgcm/model/src/ini_pressure.F

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Revision 1.6 - (show annotations) (download)
Thu Oct 9 04:19:18 2003 UTC (20 years, 7 months ago) by edhill
Branch: MAIN
CVS Tags: checkpoint51k_post, checkpoint52l_pre, hrcube4, hrcube5, checkpoint57b_post, checkpoint52d_pre, checkpoint56b_post, checkpoint52j_pre, checkpoint51o_pre, checkpoint54d_post, checkpoint54e_post, checkpoint51l_post, checkpoint57d_post, checkpoint52k_post, checkpoint55, checkpoint54, checkpoint57, checkpoint56, checkpoint53, checkpoint52, checkpoint52f_post, checkpoint54f_post, checkpoint51t_post, checkpoint51n_post, checkpoint55i_post, checkpoint52i_pre, hrcube_1, hrcube_2, hrcube_3, checkpoint51s_post, checkpoint55c_post, checkpoint52e_pre, checkpoint52e_post, checkpoint51n_pre, checkpoint53d_post, checkpoint57a_post, checkpoint52b_pre, checkpoint54b_post, checkpoint51l_pre, checkpoint52m_post, checkpoint55g_post, checkpoint51q_post, checkpoint52b_post, checkpoint52c_post, checkpoint57c_post, checkpoint52f_pre, checkpoint55d_post, checkpoint54a_pre, checkpoint53c_post, checkpoint55d_pre, checkpoint57c_pre, checkpoint55j_post, checkpoint54a_post, checkpoint55h_post, checkpoint51r_post, checkpoint51i_post, checkpoint57e_post, checkpoint55b_post, checkpoint53a_post, checkpoint55f_post, checkpoint52d_post, checkpoint53g_post, eckpoint57e_pre, checkpoint52a_pre, checkpoint52i_post, checkpoint52h_pre, checkpoint56a_post, checkpoint53f_post, checkpoint52j_post, checkpoint57f_pre, branch-netcdf, checkpoint52l_post, checkpoint52n_post, checkpoint53b_pre, checkpoint56c_post, checkpoint57a_pre, checkpoint55a_post, checkpoint51o_post, checkpoint53b_post, checkpoint52a_post, ecco_c52_e35, checkpoint51m_post, checkpoint53d_pre, checkpoint55e_post, checkpoint54c_post, checkpoint51p_post, checkpoint51u_post
Branch point for: branch-nonh, tg2-branch, netcdf-sm0, checkpoint51n_branch
Changes since 1.5: +2 -2 lines 
 o first check-in for the "branch-genmake2" merge
 o verification suite as run on shelley (gcc 3.2.2):

Wed Oct  8 23:42:29 EDT 2003
                T           S           U           V
G D M    c        m  s        m  s        m  s        m  s
E p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
N n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
2 d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .

OPTFILE=NONE

Y Y Y Y 13 16 16 16  0 16 16 16 16 16 16 16 16 13 12  0  0 pass  adjustment.128x64x1
Y Y Y Y 16 16 16 16  0 16 16 16 16 16 16  0  0 16 16  0  0 pass  adjustment.cs-32x32x1
Y Y Y Y 16 16 16 16  0 16 16 16 16 16 16 22  0 16 16 22  0 pass  adjust_nlfs.cs-32x32x1
Y Y Y Y -- 13 13 16 16 13 13 13 13 16 16 16 16 16 16 16 16 N/O   advect_cs
Y Y Y Y -- 22 16 16 16 16 16 16 13 16 16 16 16 16 16 16 16 N/O   advect_xy
Y Y Y Y -- 13 16 13 16 16 16 16 16 16 16 22 16 16 16 16 16 N/O   advect_xz
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 pass  aim.5l_cs
Y Y Y Y 14 16 16 16 16 16 16 16 16 13 16 16 16 16 16 13 16 pass  aim.5l_Equatorial_Channel
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 13 16 16 13 13 16 pass  aim.5l_LatLon
Y Y Y Y 13 16 16 16 16 16 16 16 16 16 13 12 13 13 16 13 16 pass  exp0
Y Y Y Y 14 16 16 16 16 16 16 16 22 16 16 16 13 16 16 22 16 pass  exp1
Y Y Y Y 13 13 16 13 16 16 16 16 16 13 13 16 16 13 13 13 13 pass  exp2
Y Y Y Y 16 16 16 16 16 16 16 16 22 16 16 16 16 16 16 16 16 pass  exp4
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 22 16 16 16 22 16 pass  exp5
Y Y Y Y 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 pass  front_relax
Y Y Y Y 14 16 16 13 13 16 16 13 13 16 13 13 16 12 13 13 16 pass  global_ocean.90x40x15
Y Y Y Y 10 16 16 13 13 16 13 16 16 13 13 13 13 16 16 13 16 FAIL  global_ocean.cs32x15
Y Y Y Y  6 11 12 13 13 12 13 16 13  9  9  9  9 10  9  9 11 FAIL  global_ocean_pressure
Y Y Y Y 14 16 16 13 16 16 16 13 13 13 13 13 16 12 16 13 16 pass  global_with_exf
Y Y Y Y 14 16 16 16 16 16 16 16 16 11 13 22 13 16 16  9 16 pass  hs94.128x64x5
Y Y Y Y 13 16 16 16 16 16 16 16 16 11 16 16 16 13 16 22 13 pass  hs94.1x64x5
Y Y Y Y 14 16 16 16 16 16 16 16 16 13 16 13 13 16 16 22 13 pass  hs94.cs-32x32x5
Y Y Y Y 10 10 16 13 13 16 16 16 22 16 13 13 13 13 13 22 13 FAIL  ideal_2D_oce
Y Y Y Y  8 16 16 16 16 16 16 16 16 13 13  8 16 16 16 16 16 FAIL  internal_wave
Y Y Y Y 14 16 16 16 16 16 16 16 16 13 13 22 13 13 13 22 16 pass  inverted_barometer
Y Y Y Y 12 16 16 16 16 16 16 16 16 16 13 12 13 13 13 13 13 FAIL  lab_sea
Y Y Y Y 11 16 16 16 16 16 16 16 13 13 13 12 13 16 13 12 13 FAIL  natl_box
Y Y Y Y 16 16 16 16 16 16 16 16 22 16 16 16 16 16 16 16 16 pass  plume_on_slope
Y Y Y Y 13 16 16 16 16 13 16 16 16 16 16 16 16 13 16 16 16 pass  solid-body.cs-32x32x1
1 C $Header: /u/u3/gcmpack/MITgcm/model/src/ini_pressure.F,v 1.5.2.1 2003/10/02 18:10:45 edhill Exp $
2 C $Name: $
3
4 #include "CPP_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: INI_PRESSURE
8 C !INTERFACE:
9 SUBROUTINE INI_PRESSURE( myThid )
10 C !DESCRIPTION: \bv
11 C *==========================================================*
12 C | SUBROUTINE INI_PRESSURE
13 C | o initialise the pressure field consistently with
14 C | temperature and salinity
15 C | - needs to be called after ini_theta, ini_salt, and
16 C | ini_psurf
17 C | - does not include surface pressure loading, because
18 C | that is only available until after
19 C | CALL packages_init_variables
20 C *==========================================================*
21 C \ev
22
23 C !USES:
24 IMPLICIT NONE
25 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 C dPhiHydX,Y :: Gradient (X & Y directions) of Hyd. Potential
41 C bi,bj - Loop counters
42 C I,J,K
43 INTEGER bi, bj
44 INTEGER I, J, K
45 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 _RL dPhiHydX(1-Olx:sNx+Olx,1-Oly:sNy+Oly)
49 _RL dPhiHydY(1-Olx:sNx+Olx,1-Oly:sNy+Oly)
50 _RL oldPhi (1-Olx:sNx+Olx,1-Oly:sNy+Oly)
51 _RL count, rmspp, rmsppold
52
53 CHARACTER*(MAX_LEN_MBUF) msgBuf
54 CEOP
55 iMin = 1-OLx
56 iMax = sNx+OLx
57 jMin = 1-OLy
58 jMax = sNy+OLy
59
60 WRITE(msgBuf,'(a)')
61 & 'Start initial hydrostatic pressure computation'
62 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
63 & SQUEEZE_RIGHT , 1)
64 DO bj = myByLo(myThid), myByHi(myThid)
65 DO bi = myBxLo(myThid), myBxHi(myThid)
66 DO k = 1,Nr
67 DO j=1-OLy,sNy+OLy
68 DO i=1-OLx,sNx+OLx
69 totPhiHyd(i,j,k,bi,bj) = 0. _d 0
70 ENDDO
71 ENDDO
72 ENDDO
73 ENDDO
74 ENDDO
75
76 c IF ( startTime .NE. 0. ) RETURN
77 c IF ( buoyancyRelation .EQ. 'OCEANIC' ) THEN
78 IF ( useDynP_inEos_Zc ) THEN
79
80 #ifndef ALLOW_AUTODIFF_TAMC
81 cph-- deal with this iterative loop for AD once it will
82 cph-- really be needed;
83 cph-- would need storing of totPhiHyd for each npiter
84
85 rmspp = 1. _d 0
86 rmsppold = 0. _d 0
87 npiter = 0
88
89 C iterate pressure p = integral of (g*rho(p)*dz)
90 DO npiter= 1, 15
91 rmsppold = rmspp
92 rmspp = 0. _d 0
93 count = 0.
94 DO bj = myByLo(myThid), myByHi(myThid)
95 DO bi = myBxLo(myThid), myBxHi(myThid)
96 DO j=1-OLy,sNy+OLy
97 DO i=1-OLx,sNx+OLx
98 phiHydF(i,j) = 0. _d 0
99 ENDDO
100 ENDDO
101 DO k = 1, Nr
102 C for each level save old pressure and compute new pressure
103 DO j=jMin,jMax
104 DO i=iMin,iMax
105 oldPhi(i,j) = totPhiHyd(i,j,k,bi,bj)
106 ENDDO
107 ENDDO
108 CALL CALC_PHI_HYD(
109 I bi, bj, iMin, iMax, jMin, jMax, k,
110 I theta, salt,
111 U phiHydF,
112 O phiHydC, dPhiHydX, dPhiHydY,
113 I startTime, nIter0, myThid)
114 C compute convergence criterion
115 DO j=jMin,jMax
116 DO i=iMin,iMax
117 rmspp = rmspp
118 & + (totPhiHyd(i,j,k,bi,bj)-oldPhi(i,j))**2
119 count = count + maskC(i,j,k,bi,bj)
120 ENDDO
121 ENDDO
122 C -- end k loop
123 ENDDO
124 ENDDO
125 ENDDO
126 Cml WRITE(msgBuf,'(I10.10)') npiter
127 Cml CALL WRITE_FLD_XYZ_RL( 'POLD.',msgBuf,pold,npiter,myThid)
128 Cml CALL WRITE_FLD_XYZ_RL( 'PINI.',msgBuf,pressure,npiter,myThid)
129 _GLOBAL_SUM_R8( rmspp, myThid )
130 _GLOBAL_SUM_R8( count, myThid )
131 IF ( count .EQ. 0. ) THEN
132 rmspp = 0. _d 0
133 ELSE
134 rmspp = sqrt(rmspp/count)
135 ENDIF
136 WRITE(msgBuf,'(a,i2,a,e20.13)')
137 & 'Iteration ', npiter, ', RMS-difference = ', rmspp
138 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
139 & SQUEEZE_RIGHT , 1)
140
141 C -- end npiter loop
142 ENDDO
143 C print some diagnostics
144 IF ( rmspp .ne. 0. ) THEN
145 IF ( rmspp .EQ. rmsppold ) THEN
146 WRITE(msgBuf,'(A)')
147 & 'Initial hydrostatic pressure did not converge perfectly,'
148 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
149 & SQUEEZE_RIGHT , 1)
150 WRITE(msgBuf,'(A)')
151 & 'but the RMS-difference is constant, indicating that the'
152 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
153 & SQUEEZE_RIGHT , 1)
154 WRITE(msgBuf,'(A)')
155 & 'algorithm converged within machine precision.'
156 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
157 & SQUEEZE_RIGHT , 1)
158 ELSE
159 WRITE(msgBuf,'(A,I2,A)')
160 & 'Initial hydrostatic pressure did not converge after ',
161 & npiter-1, ' steps'
162 CALL PRINT_ERROR( msgBuf, myThid )
163 STOP 'ABNORMAL END: S/R INI_PRESSURE'
164 ENDIF
165 ENDIF
166 WRITE(msgBuf,'(A)')
167 & 'Initial hydrostatic pressure converged.'
168 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
169 & SQUEEZE_RIGHT , 1)
170
171 #endif /* ALLOW_AUTODIFF_TAMC */
172
173 c-- else of if useDynP_inEos_Zc
174 ELSE
175 C print a message and DO nothing
176 WRITE(msgBuf,'(A,A)')
177 & 'Pressure is predetermined for buoyancyRelation ',
178 & buoyancyRelation(1:11)
179 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
180 & SQUEEZE_RIGHT , 1)
181
182 ENDIF
183
184 WRITE(msgBuf,'(A)') ' '
185 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
186 & SQUEEZE_RIGHT , 1)
187
188 RETURN
189 END
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