source: LMDZ5/branches/AI-cosp/libf/dynphy_lonlat/phymar/iniphysiq_mod.F90 @ 5447

Last change on this file since 5447 was 2396, checked in by Laurent Fairhead, 9 years ago

Modifications from 2274 that were somehow lost
LF

File size: 9.9 KB
Line 
1!
2! $Id: iniphysiq.F 1403 2010-07-01 09:02:53Z fairhead $
3!
4MODULE iniphysiq_mod
5
6CONTAINS
7
8SUBROUTINE iniphysiq(ii,jj,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
22  USE comcstphy, ONLY: rradius, & ! planet radius (m)
23                       rr, & ! recuced gas constant: R/molar mass of atm
24                       rg, & ! gravity
25                       rcpp  ! specific heat of the atmosphere
26!  USE phyaqua_mod, ONLY: iniaqua
27  USE physics_distribution_mod, ONLY : init_physics_distribution
28  USE regular_lonlat_mod, ONLY : init_regular_lonlat, &
29                                 east, west, north, south, &
30                                 north_east, north_west, &
31                                 south_west, south_east
32  USE mod_interface_dyn_phys, ONLY :  init_interface_dyn_phys
33  USE infotrac_phy, ONLY: init_infotrac_phy
34  USE nrtype, ONLY: pi
35  IMPLICIT NONE
36  !
37  !=======================================================================
38  !   Initialisation of the physical constants and some positional and
39  !   geometrical arrays for the physics
40  !=======================================================================
41 
42 
43  include "iniprint.h"
44
45  REAL,INTENT(IN) :: prad ! radius of the planet (m)
46  REAL,INTENT(IN) :: pg ! gravitational acceleration (m/s2)
47  REAL,INTENT(IN) :: pr ! ! reduced gas constant R/mu
48  REAL,INTENT(IN) :: pcpp ! specific heat Cp
49  REAL,INTENT(IN) :: punjours ! length (in s) of a standard day
50  INTEGER, INTENT (IN) :: nlayer ! number of atmospheric layers
51  INTEGER, INTENT (IN) :: ii ! number of atmospheric coulumns along longitudes
52  INTEGER, INTENT (IN) :: jj  ! number of atompsheric columns along latitudes
53  INTEGER, INTENT(IN) :: nbp ! number of physics columns for this MPI process
54  INTEGER, INTENT(IN) :: communicator ! MPI communicator
55  REAL, INTENT (IN) :: rlatu(jj+1) ! latitudes of the physics grid
56  REAL, INTENT (IN) :: rlatv(jj) ! latitude boundaries of the physics grid
57  REAL, INTENT (IN) :: rlonv(ii+1) ! longitudes of the physics grid
58  REAL, INTENT (IN) :: rlonu(ii+1) ! longitude boundaries of the physics grid
59  REAL, INTENT (IN) :: aire(ii+1,jj+1) ! area of the dynamics grid (m2)
60  REAL, INTENT (IN) :: cu((ii+1)*(jj+1)) ! cu coeff. (u_covariant = cu * u)
61  REAL, INTENT (IN) :: cv((ii+1)*jj) ! cv coeff. (v_covariant = cv * v)
62  INTEGER, INTENT (IN) :: pdayref ! reference day of for the simulation
63  REAL,INTENT(IN) :: ptimestep !physics time step (s)
64  INTEGER,INTENT(IN) :: iflag_phys ! type of physics to be called
65
66  INTEGER :: ibegin,iend,offset
67  INTEGER :: i,j,k
68  CHARACTER (LEN=20) :: modname='iniphysiq'
69  CHARACTER (LEN=80) :: abort_message
70  REAL :: total_area_phy, total_area_dyn
71
72  ! boundaries, on global grid
73  REAL,ALLOCATABLE :: boundslon_reg(:,:)
74  REAL,ALLOCATABLE :: boundslat_reg(:,:)
75
76  ! global array, on full physics grid:
77  REAL,ALLOCATABLE :: latfi_glo(:)
78  REAL,ALLOCATABLE :: lonfi_glo(:)
79  REAL,ALLOCATABLE :: cufi_glo(:)
80  REAL,ALLOCATABLE :: cvfi_glo(:)
81  REAL,ALLOCATABLE :: airefi_glo(:)
82  REAL,ALLOCATABLE :: boundslonfi_glo(:,:)
83  REAL,ALLOCATABLE :: boundslatfi_glo(:,:)
84
85  ! local arrays, on given MPI/OpenMP domain:
86  REAL,ALLOCATABLE,SAVE :: latfi(:)
87  REAL,ALLOCATABLE,SAVE :: lonfi(:)
88  REAL,ALLOCATABLE,SAVE :: cufi(:)
89  REAL,ALLOCATABLE,SAVE :: cvfi(:)
90  REAL,ALLOCATABLE,SAVE :: airefi(:)
91  REAL,ALLOCATABLE,SAVE :: boundslonfi(:,:)
92  REAL,ALLOCATABLE,SAVE :: boundslatfi(:,:)
93!$OMP THREADPRIVATE (latfi,lonfi,cufi,cvfi,airefi,boundslonfi,boundslatfi)
94
95  ! Initialize Physics distibution and parameters and interface with dynamics
96  CALL init_physics_distribution(regular_lonlat,4, &
97                                 nbp,ii,jj+1,nlayer,communicator)
98  CALL init_interface_dyn_phys
99 
100  ! init regular global longitude-latitude grid points and boundaries
101  ALLOCATE(boundslon_reg(ii,2))
102  ALLOCATE(boundslat_reg(jj+1,2))
103 
104  DO i=1,ii
105   boundslon_reg(i,east)=rlonu(i)
106   boundslon_reg(i,west)=rlonu(i+1)
107  ENDDO
108
109  boundslat_reg(1,north)= PI/2
110  boundslat_reg(1,south)= rlatv(1)
111  DO j=2,jj
112   boundslat_reg(j,north)=rlatv(j-1)
113   boundslat_reg(j,south)=rlatv(j)
114  ENDDO
115  boundslat_reg(jj+1,north)= rlatv(jj)
116  boundslat_reg(jj+1,south)= -PI/2
117
118  ! Write values in module regular_lonlat_mod
119  CALL init_regular_lonlat(ii,jj+1, rlonv(1:ii), rlatu, &
120                           boundslon_reg, boundslat_reg)
121
122  ! Generate global arrays on full physics grid
123  ALLOCATE(latfi_glo(klon_glo),lonfi_glo(klon_glo))
124  ALLOCATE(cufi_glo(klon_glo),cvfi_glo(klon_glo))
125  ALLOCATE(airefi_glo(klon_glo))
126  ALLOCATE(boundslonfi_glo(klon_glo,4))
127  ALLOCATE(boundslatfi_glo(klon_glo,4))
128
129  IF (klon_glo>1) THEN ! general case
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,jj
144      DO i=1,ii
145        k=(j-2)*ii+1+i
146        latfi_glo((j-2)*ii+1+i)= rlatu(j)
147        lonfi_glo((j-2)*ii+1+i)= rlonv(i)
148        cufi_glo((j-2)*ii+1+i) = cu((j-1)*(ii+1)+i)
149        cvfi_glo((j-2)*ii+1+i) = cv((j-1)*(ii+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(jj+1)
162    lonfi_glo(klon_glo)= 0.
163    cufi_glo(klon_glo) = cu((ii+1)*jj+1)
164    cvfi_glo(klon_glo) = cv((ii+1)*jj-ii)
165    boundslonfi_glo(klon_glo,north_east)= 0
166    boundslatfi_glo(klon_glo,north_east)= rlatv(jj)
167    boundslonfi_glo(klon_glo,north_west)= 2*PI
168    boundslatfi_glo(klon_glo,north_west)= rlatv(jj)
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,ii+1,jj+1,klon_glo,aire,airefi_glo)
176    ! Poles are single points on physics grid
177    airefi_glo(1)=sum(aire(1:ii,1))
178    airefi_glo(klon_glo)=sum(aire(1:ii,jj+1))
179
180    ! Sanity check: do total planet area match between physics and dynamics?
181    total_area_dyn=sum(aire(1:ii,1:jj+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  ELSE ! klon_glo==1, running the 1D model
194    ! just copy over input values
195    latfi_glo(1)=rlatu(1)
196    lonfi_glo(1)=rlonv(1)
197    cufi_glo(1)=cu(1)
198    cvfi_glo(1)=cv(1)
199    airefi_glo(1)=aire(1,1)
200    boundslonfi_glo(1,north_east)=rlonu(1)
201    boundslatfi_glo(1,north_east)=PI/2
202    boundslonfi_glo(1,north_west)=rlonu(2)
203    boundslatfi_glo(1,north_west)=PI/2
204    boundslonfi_glo(1,south_west)=rlonu(2)
205    boundslatfi_glo(1,south_west)=rlatv(1)
206    boundslonfi_glo(1,south_east)=rlonu(1)
207    boundslatfi_glo(1,south_east)=rlatv(1)
208  ENDIF ! of IF (klon_glo>1)
209
210!$OMP PARALLEL
211  ! Now generate local lon/lat/cu/cv/area/bounds arrays
212  ALLOCATE(latfi(klon_omp),lonfi(klon_omp),cufi(klon_omp),cvfi(klon_omp))
213  ALLOCATE(airefi(klon_omp))
214  ALLOCATE(boundslonfi(klon_omp,4))
215  ALLOCATE(boundslatfi(klon_omp,4))
216
217
218  offset = klon_mpi_begin - 1
219  airefi(1:klon_omp) = airefi_glo(offset+klon_omp_begin:offset+klon_omp_end)
220  cufi(1:klon_omp) = cufi_glo(offset+klon_omp_begin:offset+klon_omp_end)
221  cvfi(1:klon_omp) = cvfi_glo(offset+klon_omp_begin:offset+klon_omp_end)
222  lonfi(1:klon_omp) = lonfi_glo(offset+klon_omp_begin:offset+klon_omp_end)
223  latfi(1:klon_omp) = latfi_glo(offset+klon_omp_begin:offset+klon_omp_end)
224  boundslonfi(1:klon_omp,:) = boundslonfi_glo(offset+klon_omp_begin:offset+klon_omp_end,:)
225  boundslatfi(1:klon_omp,:) = boundslatfi_glo(offset+klon_omp_begin:offset+klon_omp_end,:)
226
227  ! copy over local grid longitudes and latitudes
228  CALL init_geometry(klon_omp,lonfi,latfi,boundslonfi,boundslatfi, &
229                     airefi,cufi,cvfi)
230
231
232  ! Initialize tracer names, numbers, etc. for physics
233  CALL init_infotrac_phy(nqtot)
234
235! copy some fundamental parameters to physics
236  rradius=prad
237  rg=pg
238  rr=pr
239  rcpp=pcpp
240
241!$OMP END PARALLEL
242
243!      print*,'ATTENTION !!! TRAVAILLER SUR INIPHYSIQ'
244!      print*,'CONTROLE DES LATITUDES, LONGITUDES, PARAMETRES ...'
245
246! Additional initializations for aquaplanets
247!!$OMP PARALLEL
248!      if (iflag_phys>=100) then
249!        call iniaqua(klon_omp,rlatd,rlond,iflag_phys)
250!      endif
251!!$OMP END PARALLEL
252
253END SUBROUTINE iniphysiq
254
255END MODULE iniphysiq_mod
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