source: LMDZ5/branches/AI-cosp/libf/dynphy_lonlat/phydev/iniphysiq_mod.F90

Last change on this file was 2396, checked in by Laurent Fairhead, 9 years ago

Modifications from 2274 that were somehow lost
LF

  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
File size: 9.2 KB
Line 
1!
2! $Id: iniphysiq.F 1403 2010-07-01 09:02:53Z fairhead $
3!
4MODULE iniphysiq_mod
5
6CONTAINS
7
8SUBROUTINE iniphysiq(iim,jjm,nlayer, &
9                     nbp, communicator, &
10                     punjours, pdayref,ptimestep, &
11                     rlatu,rlatv,rlonu,rlonv,aire,cu,cv, &
12                     prad,pg,pr,pcpp,iflag_phys)
13  USE dimphy, ONLY: init_dimphy
14  USE mod_grid_phy_lmdz, ONLY: klon_glo,  & ! number of atmospheric columns (on full grid)
15                               regular_lonlat  ! regular longitude-latitude grid type
16  USE mod_phys_lmdz_para, ONLY: klon_omp, & ! number of columns (on local omp grid)
17                                klon_omp_begin, & ! start index of local omp subgrid
18                                klon_omp_end, & ! end index of local omp subgrid
19                                klon_mpi_begin ! start indes of columns (on local mpi grid)
20  USE geometry_mod, ONLY : init_geometry
21  USE infotrac, ONLY: nqtot, type_trac
22  USE infotrac_phy, ONLY: init_infotrac_phy
23!  USE comcstphy, ONLY: rradius, & ! planet radius (m)
24!                       rr, & ! recuced gas constant: R/molar mass of atm
25!                       rg, & ! gravity
26!                       rcpp  ! specific heat of the atmosphere
27  USE inifis_mod, ONLY: inifis
28  USE phyaqua_mod, ONLY: iniaqua
29  USE physics_distribution_mod, ONLY : init_physics_distribution
30  USE regular_lonlat_mod, ONLY : init_regular_lonlat, &
31                                 east, west, north, south, &
32                                 north_east, north_west, &
33                                 south_west, south_east
34  USE mod_interface_dyn_phys, ONLY :  init_interface_dyn_phys
35  USE nrtype, ONLY: pi
36  IMPLICIT NONE
37  !
38  !=======================================================================
39  !   Initialisation of the physical constants and some positional and
40  !   geometrical arrays for the physics
41  !=======================================================================
42 
43 
44  include "iniprint.h"
45
46  REAL,INTENT(IN) :: prad ! radius of the planet (m)
47  REAL,INTENT(IN) :: pg ! gravitational acceleration (m/s2)
48  REAL,INTENT(IN) :: pr ! ! reduced gas constant R/mu
49  REAL,INTENT(IN) :: pcpp ! specific heat Cp
50  REAL,INTENT(IN) :: punjours ! length (in s) of a standard day
51  INTEGER, INTENT (IN) :: nlayer ! number of atmospheric layers
52  INTEGER, INTENT (IN) :: iim ! number of atmospheric coulumns along longitudes
53  INTEGER, INTENT (IN) :: jjm  ! number of atompsheric columns along latitudes
54  INTEGER, INTENT(IN) :: nbp ! number of physics columns for this MPI process
55  INTEGER, INTENT(IN) :: communicator ! MPI communicator
56  REAL, INTENT (IN) :: rlatu(jjm+1) ! latitudes of the physics grid
57  REAL, INTENT (IN) :: rlatv(jjm) ! latitude boundaries of the physics grid
58  REAL, INTENT (IN) :: rlonv(iim+1) ! longitudes of the physics grid
59  REAL, INTENT (IN) :: rlonu(iim+1) ! longitude boundaries of the physics grid
60  REAL, INTENT (IN) :: aire(iim+1,jjm+1) ! area of the dynamics grid (m2)
61  REAL, INTENT (IN) :: cu((iim+1)*(jjm+1)) ! cu coeff. (u_covariant = cu * u)
62  REAL, INTENT (IN) :: cv((iim+1)*jjm) ! cv coeff. (v_covariant = cv * v)
63  INTEGER, INTENT (IN) :: pdayref ! reference day of for the simulation
64  REAL,INTENT(IN) :: ptimestep !physics time step (s)
65  INTEGER,INTENT(IN) :: iflag_phys ! type of physics to be called
66
67  INTEGER :: ibegin,iend,offset
68  INTEGER :: i,j,k
69  CHARACTER (LEN=20) :: modname='iniphysiq'
70  CHARACTER (LEN=80) :: abort_message
71  REAL :: total_area_phy, total_area_dyn
72
73  ! boundaries, on global grid
74  REAL,ALLOCATABLE :: boundslon_reg(:,:)
75  REAL,ALLOCATABLE :: boundslat_reg(:,:)
76
77  ! global array, on full physics grid:
78  REAL,ALLOCATABLE :: latfi_glo(:)
79  REAL,ALLOCATABLE :: lonfi_glo(:)
80  REAL,ALLOCATABLE :: cufi_glo(:)
81  REAL,ALLOCATABLE :: cvfi_glo(:)
82  REAL,ALLOCATABLE :: airefi_glo(:)
83  REAL,ALLOCATABLE :: boundslonfi_glo(:,:)
84  REAL,ALLOCATABLE :: boundslatfi_glo(:,:)
85
86  ! local arrays, on given MPI/OpenMP domain:
87  REAL,ALLOCATABLE,SAVE :: latfi(:)
88  REAL,ALLOCATABLE,SAVE :: lonfi(:)
89  REAL,ALLOCATABLE,SAVE :: cufi(:)
90  REAL,ALLOCATABLE,SAVE :: cvfi(:)
91  REAL,ALLOCATABLE,SAVE :: airefi(:)
92  REAL,ALLOCATABLE,SAVE :: boundslonfi(:,:)
93  REAL,ALLOCATABLE,SAVE :: boundslatfi(:,:)
94!$OMP THREADPRIVATE (latfi,lonfi,cufi,cvfi,airefi,boundslonfi,boundslatfi)
95
96  ! Initialize Physics distibution and parameters and interface with dynamics
97  CALL init_physics_distribution(regular_lonlat,4, &
98                                 nbp,iim,jjm+1,nlayer,communicator)
99  CALL init_interface_dyn_phys
100 
101  ! init regular global longitude-latitude grid points and boundaries
102  ALLOCATE(boundslon_reg(iim,2))
103  ALLOCATE(boundslat_reg(jjm+1,2))
104 
105  DO i=1,iim
106   boundslon_reg(i,east)=rlonu(i)
107   boundslon_reg(i,west)=rlonu(i+1)
108  ENDDO
109
110  boundslat_reg(1,north)= PI/2
111  boundslat_reg(1,south)= rlatv(1)
112  DO j=2,jjm
113   boundslat_reg(j,north)=rlatv(j-1)
114   boundslat_reg(j,south)=rlatv(j)
115  ENDDO
116  boundslat_reg(jjm+1,north)= rlatv(jjm)
117  boundslat_reg(jjm+1,south)= -PI/2
118
119  ! Write values in module regular_lonlat_mod
120  CALL init_regular_lonlat(iim,jjm+1, rlonv(1:iim), rlatu, &
121                           boundslon_reg, boundslat_reg)
122
123  ! Generate global arrays on full physics grid
124  ALLOCATE(latfi_glo(klon_glo),lonfi_glo(klon_glo))
125  ALLOCATE(cufi_glo(klon_glo),cvfi_glo(klon_glo))
126  ALLOCATE(airefi_glo(klon_glo))
127  ALLOCATE(boundslonfi_glo(klon_glo,4))
128  ALLOCATE(boundslatfi_glo(klon_glo,4))
129
130    ! North pole
131    latfi_glo(1)=rlatu(1)
132    lonfi_glo(1)=0.
133    cufi_glo(1) = cu(1)
134    cvfi_glo(1) = cv(1)
135    boundslonfi_glo(1,north_east)=0
136    boundslatfi_glo(1,north_east)=PI/2
137    boundslonfi_glo(1,north_west)=2*PI
138    boundslatfi_glo(1,north_west)=PI/2
139    boundslonfi_glo(1,south_west)=2*PI
140    boundslatfi_glo(1,south_west)=rlatv(1)
141    boundslonfi_glo(1,south_east)=0
142    boundslatfi_glo(1,south_east)=rlatv(1)
143    DO j=2,jjm
144      DO i=1,iim
145        k=(j-2)*iim+1+i
146        latfi_glo(k)= rlatu(j)
147        lonfi_glo(k)= rlonv(i)
148        cufi_glo(k) = cu((j-1)*(iim+1)+i)
149        cvfi_glo(k) = cv((j-1)*(iim+1)+i)
150        boundslonfi_glo(k,north_east)=rlonu(i)
151        boundslatfi_glo(k,north_east)=rlatv(j-1)
152        boundslonfi_glo(k,north_west)=rlonu(i+1)
153        boundslatfi_glo(k,north_west)=rlatv(j-1)
154        boundslonfi_glo(k,south_west)=rlonu(i+1)
155        boundslatfi_glo(k,south_west)=rlatv(j)
156        boundslonfi_glo(k,south_east)=rlonu(i)
157        boundslatfi_glo(k,south_east)=rlatv(j)
158      ENDDO
159    ENDDO
160    ! South pole
161    latfi_glo(klon_glo)= rlatu(jjm+1)
162    lonfi_glo(klon_glo)= 0.
163    cufi_glo(klon_glo) = cu((iim+1)*jjm+1)
164    cvfi_glo(klon_glo) = cv((iim+1)*jjm-iim)
165    boundslonfi_glo(klon_glo,north_east)= 0
166    boundslatfi_glo(klon_glo,north_east)= rlatv(jjm)
167    boundslonfi_glo(klon_glo,north_west)= 2*PI
168    boundslatfi_glo(klon_glo,north_west)= rlatv(jjm)
169    boundslonfi_glo(klon_glo,south_west)= 2*PI
170    boundslatfi_glo(klon_glo,south_west)= -PI/2
171    boundslonfi_glo(klon_glo,south_east)= 0
172    boundslatfi_glo(klon_glo,south_east)= -Pi/2
173
174    ! build airefi(), mesh area on physics grid
175    CALL gr_dyn_fi(1,iim+1,jjm+1,klon_glo,aire,airefi_glo)
176    ! Poles are single points on physics grid
177    airefi_glo(1)=sum(aire(1:iim,1))
178    airefi_glo(klon_glo)=sum(aire(1:iim,jjm+1))
179
180    ! Sanity check: do total planet area match between physics and dynamics?
181    total_area_dyn=sum(aire(1:iim,1:jjm+1))
182    total_area_phy=sum(airefi_glo(1:klon_glo))
183    IF (total_area_dyn/=total_area_phy) THEN
184      WRITE (lunout, *) 'iniphysiq: planet total surface discrepancy !!!'
185      WRITE (lunout, *) '     in the dynamics total_area_dyn=', total_area_dyn
186      WRITE (lunout, *) '  but in the physics total_area_phy=', total_area_phy
187      IF (abs(total_area_dyn-total_area_phy)>0.00001*total_area_dyn) THEN
188        ! stop here if the relative difference is more than 0.001%
189        abort_message = 'planet total surface discrepancy'
190        CALL abort_gcm(modname, abort_message, 1)
191      ENDIF
192    ENDIF
193
194!$OMP PARALLEL
195  ! Now generate local lon/lat/cu/cv/area/bounds arrays
196  ALLOCATE(latfi(klon_omp),lonfi(klon_omp),cufi(klon_omp),cvfi(klon_omp))
197  ALLOCATE(airefi(klon_omp))
198  ALLOCATE(boundslonfi(klon_omp,4))
199  ALLOCATE(boundslatfi(klon_omp,4))
200
201
202  offset = klon_mpi_begin - 1
203  airefi(1:klon_omp) = airefi_glo(offset+klon_omp_begin:offset+klon_omp_end)
204  cufi(1:klon_omp) = cufi_glo(offset+klon_omp_begin:offset+klon_omp_end)
205  cvfi(1:klon_omp) = cvfi_glo(offset+klon_omp_begin:offset+klon_omp_end)
206  lonfi(1:klon_omp) = lonfi_glo(offset+klon_omp_begin:offset+klon_omp_end)
207  latfi(1:klon_omp) = latfi_glo(offset+klon_omp_begin:offset+klon_omp_end)
208  boundslonfi(1:klon_omp,:) = boundslonfi_glo(offset+klon_omp_begin:offset+klon_omp_end,:)
209  boundslatfi(1:klon_omp,:) = boundslatfi_glo(offset+klon_omp_begin:offset+klon_omp_end,:)
210
211  ! copy over local grid longitudes and latitudes
212  CALL init_geometry(klon_omp,lonfi,latfi,boundslonfi,boundslatfi, &
213                     airefi,cufi,cvfi)
214
215  ! Initialize physical constants in physics:
216  CALL inifis(prad,pg,pr,pcpp)
217 
218  ! Initialize dimphy module
219  CALL Init_dimphy(klon_omp,nlayer)
220
221  ! Initialize tracer names, numbers, etc. for physics
222  CALL init_infotrac_phy(nqtot,type_trac)
223
224  ! Additional initializations for aquaplanets
225  IF (iflag_phys>=100) THEN
226    CALL iniaqua(klon_omp,iflag_phys)
227  ENDIF
228!$OMP END PARALLEL
229
230END SUBROUTINE iniphysiq
231
232END MODULE iniphysiq_mod
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