! ! $Id: iniphysiq.F 1403 2010-07-01 09:02:53Z fairhead $ ! MODULE iniphysiq_mod CONTAINS SUBROUTINE iniphysiq(iim,jjm,nlayer, & nbp, communicator, & punjours, pdayref,ptimestep, & rlatu,rlatv,rlonu,rlonv,aire,cu,cv, & prad,pg,pr,pcpp,iflag_phys) USE dimphy, ONLY: init_dimphy USE mod_grid_phy_lmdz, ONLY: klon_glo, & ! number of atmospheric columns (on full grid) regular_lonlat ! regular longitude-latitude grid type USE mod_phys_lmdz_para, ONLY: klon_omp, & ! number of columns (on local omp grid) klon_omp_begin, & ! start index of local omp subgrid klon_omp_end, & ! end index of local omp subgrid klon_mpi_begin ! start indes of columns (on local mpi grid) USE geometry_mod, ONLY : init_geometry USE infotrac, ONLY: nqtot, type_trac USE infotrac_phy, ONLY: init_infotrac_phy ! USE comcstphy, ONLY: rradius, & ! planet radius (m) ! rr, & ! recuced gas constant: R/molar mass of atm ! rg, & ! gravity ! rcpp ! specific heat of the atmosphere USE inifis_mod, ONLY: inifis USE phyaqua_mod, ONLY: iniaqua USE physics_distribution_mod, ONLY : init_physics_distribution USE regular_lonlat_mod, ONLY : init_regular_lonlat, & east, west, north, south, & north_east, north_west, & south_west, south_east USE mod_interface_dyn_phys, ONLY : init_interface_dyn_phys USE nrtype, ONLY: pi IMPLICIT NONE ! !======================================================================= ! Initialisation of the physical constants and some positional and ! geometrical arrays for the physics !======================================================================= include "iniprint.h" REAL,INTENT(IN) :: prad ! radius of the planet (m) REAL,INTENT(IN) :: pg ! gravitational acceleration (m/s2) REAL,INTENT(IN) :: pr ! ! reduced gas constant R/mu REAL,INTENT(IN) :: pcpp ! specific heat Cp REAL,INTENT(IN) :: punjours ! length (in s) of a standard day INTEGER, INTENT (IN) :: nlayer ! number of atmospheric layers INTEGER, INTENT (IN) :: iim ! number of atmospheric coulumns along longitudes INTEGER, INTENT (IN) :: jjm ! number of atompsheric columns along latitudes INTEGER, INTENT(IN) :: nbp ! number of physics columns for this MPI process INTEGER, INTENT(IN) :: communicator ! MPI communicator REAL, INTENT (IN) :: rlatu(jjm+1) ! latitudes of the physics grid REAL, INTENT (IN) :: rlatv(jjm) ! latitude boundaries of the physics grid REAL, INTENT (IN) :: rlonv(iim+1) ! longitudes of the physics grid REAL, INTENT (IN) :: rlonu(iim+1) ! longitude boundaries of the physics grid REAL, INTENT (IN) :: aire(iim+1,jjm+1) ! area of the dynamics grid (m2) REAL, INTENT (IN) :: cu((iim+1)*(jjm+1)) ! cu coeff. (u_covariant = cu * u) REAL, INTENT (IN) :: cv((iim+1)*jjm) ! cv coeff. (v_covariant = cv * v) INTEGER, INTENT (IN) :: pdayref ! reference day of for the simulation REAL,INTENT(IN) :: ptimestep !physics time step (s) INTEGER,INTENT(IN) :: iflag_phys ! type of physics to be called INTEGER :: ibegin,iend,offset INTEGER :: i,j,k CHARACTER (LEN=20) :: modname='iniphysiq' CHARACTER (LEN=80) :: abort_message REAL :: total_area_phy, total_area_dyn ! boundaries, on global grid REAL,ALLOCATABLE :: boundslon_reg(:,:) REAL,ALLOCATABLE :: boundslat_reg(:,:) ! global array, on full physics grid: REAL,ALLOCATABLE :: latfi_glo(:) REAL,ALLOCATABLE :: lonfi_glo(:) REAL,ALLOCATABLE :: cufi_glo(:) REAL,ALLOCATABLE :: cvfi_glo(:) REAL,ALLOCATABLE :: airefi_glo(:) REAL,ALLOCATABLE :: boundslonfi_glo(:,:) REAL,ALLOCATABLE :: boundslatfi_glo(:,:) ! local arrays, on given MPI/OpenMP domain: REAL,ALLOCATABLE,SAVE :: latfi(:) REAL,ALLOCATABLE,SAVE :: lonfi(:) REAL,ALLOCATABLE,SAVE :: cufi(:) REAL,ALLOCATABLE,SAVE :: cvfi(:) REAL,ALLOCATABLE,SAVE :: airefi(:) REAL,ALLOCATABLE,SAVE :: boundslonfi(:,:) REAL,ALLOCATABLE,SAVE :: boundslatfi(:,:) !$OMP THREADPRIVATE (latfi,lonfi,cufi,cvfi,airefi,boundslonfi,boundslatfi) ! Initialize Physics distibution and parameters and interface with dynamics CALL init_physics_distribution(regular_lonlat,4, & nbp,iim,jjm+1,nlayer,communicator) CALL init_interface_dyn_phys ! init regular global longitude-latitude grid points and boundaries ALLOCATE(boundslon_reg(iim,2)) ALLOCATE(boundslat_reg(jjm+1,2)) DO i=1,iim boundslon_reg(i,east)=rlonu(i) boundslon_reg(i,west)=rlonu(i+1) ENDDO boundslat_reg(1,north)= PI/2 boundslat_reg(1,south)= rlatv(1) DO j=2,jjm boundslat_reg(j,north)=rlatv(j-1) boundslat_reg(j,south)=rlatv(j) ENDDO boundslat_reg(jjm+1,north)= rlatv(jjm) boundslat_reg(jjm+1,south)= -PI/2 ! Write values in module regular_lonlat_mod CALL init_regular_lonlat(iim,jjm+1, rlonv(1:iim), rlatu, & boundslon_reg, boundslat_reg) ! Generate global arrays on full physics grid ALLOCATE(latfi_glo(klon_glo),lonfi_glo(klon_glo)) ALLOCATE(cufi_glo(klon_glo),cvfi_glo(klon_glo)) ALLOCATE(airefi_glo(klon_glo)) ALLOCATE(boundslonfi_glo(klon_glo,4)) ALLOCATE(boundslatfi_glo(klon_glo,4)) ! North pole latfi_glo(1)=rlatu(1) lonfi_glo(1)=0. cufi_glo(1) = cu(1) cvfi_glo(1) = cv(1) boundslonfi_glo(1,north_east)=0 boundslatfi_glo(1,north_east)=PI/2 boundslonfi_glo(1,north_west)=2*PI boundslatfi_glo(1,north_west)=PI/2 boundslonfi_glo(1,south_west)=2*PI boundslatfi_glo(1,south_west)=rlatv(1) boundslonfi_glo(1,south_east)=0 boundslatfi_glo(1,south_east)=rlatv(1) DO j=2,jjm DO i=1,iim k=(j-2)*iim+1+i latfi_glo(k)= rlatu(j) lonfi_glo(k)= rlonv(i) cufi_glo(k) = cu((j-1)*(iim+1)+i) cvfi_glo(k) = cv((j-1)*(iim+1)+i) boundslonfi_glo(k,north_east)=rlonu(i) boundslatfi_glo(k,north_east)=rlatv(j-1) boundslonfi_glo(k,north_west)=rlonu(i+1) boundslatfi_glo(k,north_west)=rlatv(j-1) boundslonfi_glo(k,south_west)=rlonu(i+1) boundslatfi_glo(k,south_west)=rlatv(j) boundslonfi_glo(k,south_east)=rlonu(i) boundslatfi_glo(k,south_east)=rlatv(j) ENDDO ENDDO ! South pole latfi_glo(klon_glo)= rlatu(jjm+1) lonfi_glo(klon_glo)= 0. cufi_glo(klon_glo) = cu((iim+1)*jjm+1) cvfi_glo(klon_glo) = cv((iim+1)*jjm-iim) boundslonfi_glo(klon_glo,north_east)= 0 boundslatfi_glo(klon_glo,north_east)= rlatv(jjm) boundslonfi_glo(klon_glo,north_west)= 2*PI boundslatfi_glo(klon_glo,north_west)= rlatv(jjm) boundslonfi_glo(klon_glo,south_west)= 2*PI boundslatfi_glo(klon_glo,south_west)= -PI/2 boundslonfi_glo(klon_glo,south_east)= 0 boundslatfi_glo(klon_glo,south_east)= -Pi/2 ! build airefi(), mesh area on physics grid CALL gr_dyn_fi(1,iim+1,jjm+1,klon_glo,aire,airefi_glo) ! Poles are single points on physics grid airefi_glo(1)=sum(aire(1:iim,1)) airefi_glo(klon_glo)=sum(aire(1:iim,jjm+1)) ! Sanity check: do total planet area match between physics and dynamics? total_area_dyn=sum(aire(1:iim,1:jjm+1)) total_area_phy=sum(airefi_glo(1:klon_glo)) IF (total_area_dyn/=total_area_phy) THEN WRITE (lunout, *) 'iniphysiq: planet total surface discrepancy !!!' WRITE (lunout, *) ' in the dynamics total_area_dyn=', total_area_dyn WRITE (lunout, *) ' but in the physics total_area_phy=', total_area_phy IF (abs(total_area_dyn-total_area_phy)>0.00001*total_area_dyn) THEN ! stop here if the relative difference is more than 0.001% abort_message = 'planet total surface discrepancy' CALL abort_gcm(modname, abort_message, 1) ENDIF ENDIF !$OMP PARALLEL ! Now generate local lon/lat/cu/cv/area/bounds arrays ALLOCATE(latfi(klon_omp),lonfi(klon_omp),cufi(klon_omp),cvfi(klon_omp)) ALLOCATE(airefi(klon_omp)) ALLOCATE(boundslonfi(klon_omp,4)) ALLOCATE(boundslatfi(klon_omp,4)) offset = klon_mpi_begin - 1 airefi(1:klon_omp) = airefi_glo(offset+klon_omp_begin:offset+klon_omp_end) cufi(1:klon_omp) = cufi_glo(offset+klon_omp_begin:offset+klon_omp_end) cvfi(1:klon_omp) = cvfi_glo(offset+klon_omp_begin:offset+klon_omp_end) lonfi(1:klon_omp) = lonfi_glo(offset+klon_omp_begin:offset+klon_omp_end) latfi(1:klon_omp) = latfi_glo(offset+klon_omp_begin:offset+klon_omp_end) boundslonfi(1:klon_omp,:) = boundslonfi_glo(offset+klon_omp_begin:offset+klon_omp_end,:) boundslatfi(1:klon_omp,:) = boundslatfi_glo(offset+klon_omp_begin:offset+klon_omp_end,:) ! copy over local grid longitudes and latitudes CALL init_geometry(klon_omp,lonfi,latfi,boundslonfi,boundslatfi, & airefi,cufi,cvfi) ! Initialize physical constants in physics: CALL inifis(prad,pg,pr,pcpp) ! Initialize dimphy module CALL Init_dimphy(klon_omp,nlayer) ! Initialize tracer names, numbers, etc. for physics CALL init_infotrac_phy(nqtot,type_trac) ! Additional initializations for aquaplanets IF (iflag_phys>=100) THEN CALL iniaqua(klon_omp,iflag_phys) ENDIF !$OMP END PARALLEL END SUBROUTINE iniphysiq END MODULE iniphysiq_mod