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fv_control.F90
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!***********************************************************************
!* GNU Lesser General Public License
!*
!* This file is part of the FV3 dynamical core.
!*
!* The FV3 dynamical core is free software: you can redistribute it
!* and/or modify it under the terms of the
!* GNU Lesser General Public License as published by the
!* Free Software Foundation, either version 3 of the License, or
!* (at your option) any later version.
!*
!* The FV3 dynamical core is distributed in the hope that it will be
!* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
!* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
!* See the GNU General Public License for more details.
!*
!* You should have received a copy of the GNU Lesser General Public
!* License along with the FV3 dynamical core.
!* If not, see <http://www.gnu.org/licenses/>.
!***********************************************************************
!
!----------------
! FV contro panel
!----------------
module fv_control_mod
use constants_mod, only: pi=>pi_8, kappa, grav, rdgas
use fv_arrays_mod, only: radius ! scaled for small earth
use field_manager_mod, only: MODEL_ATMOS
use fms_mod, only: write_version_number, check_nml_error
use fms2_io_mod, only: file_exists
use mpp_mod, only: FATAL, mpp_error, mpp_pe, stdlog, &
mpp_npes, mpp_get_current_pelist, &
input_nml_file, get_unit, WARNING, &
read_ascii_file
use mpp_domains_mod, only: mpp_get_data_domain, mpp_get_compute_domain, mpp_get_tile_id
use tracer_manager_mod, only: tm_get_number_tracers => get_number_tracers, &
tm_get_tracer_index => get_tracer_index, &
tm_get_tracer_indices => get_tracer_indices, &
tm_set_tracer_profile => set_tracer_profile, &
tm_get_tracer_names => get_tracer_names, &
tm_check_if_prognostic=> check_if_prognostic,&
tm_register_tracers => register_tracers
use fv_io_mod, only: fv_io_exit
use fv_restart_mod, only: fv_restart_init, fv_restart_end
use fv_arrays_mod, only: fv_atmos_type, allocate_fv_atmos_type, deallocate_fv_atmos_type, &
R_GRID
use fv_grid_utils_mod, only: grid_utils_init, grid_utils_end, ptop_min
use fv_eta_mod, only: set_eta
use fv_grid_tools_mod, only: init_grid
use fv_mp_mod, only: mp_start, domain_decomp, mp_assign_gid, global_nest_domain
use fv_mp_mod, only: broadcast_domains, mp_barrier, is_master, setup_master, grids_master_procs, tile_fine
use fv_mp_mod, only: MAX_NNEST, MAX_NTILE
use test_cases_mod, only: read_namelist_test_case_nml
use fv_timing_mod, only: timing_on, timing_off, timing_init, timing_prt
use mpp_domains_mod, only: domain2D
use mpp_domains_mod, only: mpp_define_nest_domains, nest_domain_type, mpp_get_global_domain
use mpp_domains_mod, only: mpp_get_C2F_index, mpp_get_F2C_index
use mpp_domains_mod, only: CENTER, CORNER, NORTH, EAST, WEST, SOUTH
use mpp_mod, only: mpp_send, mpp_sync, mpp_transmit, mpp_set_current_pelist, &
mpp_declare_pelist, mpp_root_pe, mpp_recv, mpp_sync_self, read_input_nml, &
mpp_max
use fv_diagnostics_mod, only: fv_diag_init_gn
use coarse_grained_restart_files_mod, only: deallocate_coarse_restart_type
implicit none
private
#ifdef OVERLOAD_R4
real :: too_big = 1.E8
#else
real :: too_big = 1.E35
#endif
public :: fv_control_init, fv_end
integer, public :: ngrids = 1
integer :: commID, global_commID
integer :: halo_update_type = 1 ! 1 for two-interfaces non-block
! 2 for block
! 3 for four-interfaces non-block
! version number of this module
! Include variable "version" to be written to log file.
#include<file_version.h>
contains
!-------------------------------------------------------------------------------
subroutine fv_control_init(Atm, dt_atmos, this_grid, grids_on_this_pe, p_split)
type(fv_atmos_type), allocatable, intent(inout), target :: Atm(:)
real, intent(in) :: dt_atmos
integer, intent(OUT) :: this_grid
logical, allocatable, intent(OUT) :: grids_on_this_pe(:)
integer, intent(INOUT) :: p_split
character(100) :: pe_list_name, errstring
integer :: n, npes, pecounter, i, num_family, ntiles_nest_all, num_tile_top
integer, allocatable :: global_pelist(:)
integer, dimension(MAX_NNEST) :: grid_pes = 0
integer, dimension(MAX_NNEST) :: grid_coarse = -1
integer, dimension(MAX_NNEST) :: nest_refine = 3
integer, dimension(MAX_NNEST) :: nest_ioffsets, nest_joffsets
integer, dimension(MAX_NNEST) :: all_npx = 0
integer, dimension(MAX_NNEST) :: all_npy = 0
integer, dimension(MAX_NNEST) :: all_npz = 0
integer, dimension(MAX_NNEST) :: all_ntiles = 0
integer, dimension(MAX_NNEST) :: all_twowaynest = 0 ! > 0 implies two-way
!integer, dimension(MAX_NNEST) :: tile_fine = 0
integer, dimension(MAX_NNEST) :: icount_coarse = 1
integer, dimension(MAX_NNEST) :: jcount_coarse = 1
integer, dimension(MAX_NNEST) :: nest_level = 0
integer, dimension(MAX_NNEST) :: tile_coarse = 0
integer, dimension(MAX_NTILE) :: npes_nest_tile = 0
real :: sdt
integer :: unit, ens_root_pe, tile_id(1)
!!!!!!!!!! POINTERS FOR READING NAMELISTS !!!!!!!!!!
!------------------------------------------
! Model Domain parameters
! See fv_arrays.F90 for descriptions
!------------------------------------------
!CLEANUP module pointers
character(len=80) , pointer :: grid_name
character(len=120), pointer :: grid_file
integer, pointer :: grid_type
integer , pointer :: hord_mt
integer , pointer :: kord_mt
integer , pointer :: kord_wz
integer , pointer :: hord_vt
integer , pointer :: hord_tm
integer , pointer :: hord_dp
integer , pointer :: kord_tm
integer , pointer :: hord_tr
integer , pointer :: kord_tr
real , pointer :: scale_z
real , pointer :: w_max
real , pointer :: z_min
real , pointer :: lim_fac
integer , pointer :: nord
integer , pointer :: nord_tr
real , pointer :: dddmp
real , pointer :: d2_bg
real , pointer :: d4_bg
real , pointer :: vtdm4
real , pointer :: trdm2
real , pointer :: d2_bg_k1
real , pointer :: d2_bg_k2
real , pointer :: d2_divg_max_k1
real , pointer :: d2_divg_max_k2
real , pointer :: damp_k_k1
real , pointer :: damp_k_k2
integer , pointer :: n_zs_filter
integer , pointer :: nord_zs_filter
logical , pointer :: full_zs_filter
logical , pointer :: RF_fast
logical , pointer :: consv_am
logical , pointer :: do_sat_adj
logical , pointer :: do_inline_mp
logical , pointer :: do_f3d
logical , pointer :: no_dycore
logical , pointer :: convert_ke
logical , pointer :: do_vort_damp
logical , pointer :: use_old_omega
logical , pointer :: remap_te
! PG off centering:
real , pointer :: beta
integer , pointer :: n_sponge
real , pointer :: d_ext
integer , pointer :: nwat
logical , pointer :: warm_start
logical , pointer :: inline_q
real , pointer :: shift_fac
logical , pointer :: do_schmidt, do_cube_transform
real(kind=R_GRID) , pointer :: stretch_fac
real(kind=R_GRID) , pointer :: target_lat
real(kind=R_GRID) , pointer :: target_lon
logical , pointer :: reset_eta
logical , pointer :: ignore_rst_cksum
real , pointer :: p_fac
real , pointer :: a_imp
integer , pointer :: n_split
! Default
integer , pointer :: m_split
integer , pointer :: k_split
logical , pointer :: use_logp
integer , pointer :: q_split
integer , pointer :: print_freq
logical , pointer :: write_3d_diags
integer , pointer :: npx
integer , pointer :: npy
integer , pointer :: npz
character(len=24), pointer :: npz_type
character(len=120), pointer :: fv_eta_file
integer , pointer :: npz_rst
integer , pointer :: ncnst
integer , pointer :: pnats
integer , pointer :: dnats
integer , pointer :: dnrts
integer , pointer :: ntiles
integer , pointer :: nf_omega
integer , pointer :: fv_sg_adj
real , pointer :: sg_cutoff
integer , pointer :: na_init
logical , pointer :: nudge_dz
real , pointer :: p_ref
real , pointer :: dry_mass
integer , pointer :: nt_prog
integer , pointer :: nt_phys
real , pointer :: tau_h2o
real , pointer :: delt_max
real , pointer :: d_con
real , pointer :: ke_bg
real , pointer :: consv_te
real , pointer :: tau
real , pointer :: rf_cutoff
logical , pointer :: filter_phys
logical , pointer :: dwind_2d
logical , pointer :: breed_vortex_inline
logical , pointer :: range_warn
logical , pointer :: fill
logical , pointer :: fill_dp
logical , pointer :: fill_wz
logical , pointer :: fill_gfs
logical , pointer :: check_negative
logical , pointer :: non_ortho
logical , pointer :: adiabatic
logical , pointer :: moist_phys
logical , pointer :: do_Held_Suarez
logical , pointer :: reproduce_sum
logical , pointer :: adjust_dry_mass
logical , pointer :: fv_debug
logical , pointer :: srf_init
logical , pointer :: mountain
logical , pointer :: remap_t
logical , pointer :: z_tracer
logical , pointer :: w_limiter
logical , pointer :: old_divg_damp
logical , pointer :: fv_land
logical , pointer :: do_am4_remap
logical , pointer :: nudge
logical , pointer :: nudge_ic
logical , pointer :: ncep_ic
logical , pointer :: nggps_ic
logical , pointer :: hrrrv3_ic
logical , pointer :: ecmwf_ic
logical , pointer :: gfs_phil
logical , pointer :: agrid_vel_rst
logical , pointer :: use_new_ncep
logical , pointer :: use_ncep_phy
logical , pointer :: fv_diag_ic
logical , pointer :: external_ic
logical , pointer :: external_eta
logical , pointer :: read_increment
logical , pointer :: hydrostatic
logical , pointer :: phys_hydrostatic
logical , pointer :: use_hydro_pressure
logical , pointer :: do_uni_zfull !miz
logical , pointer :: adj_mass_vmr ! f1p
logical , pointer :: hybrid_z
logical , pointer :: Make_NH
logical , pointer :: make_hybrid_z
logical , pointer :: nudge_qv
real, pointer :: add_noise
integer , pointer :: a2b_ord
integer , pointer :: c2l_ord
integer, pointer :: ndims
real(kind=R_GRID), pointer :: dx_const
real(kind=R_GRID), pointer :: dy_const
real(kind=R_GRID), pointer :: deglon_start, deglon_stop, & ! boundaries of latlon patch
deglat_start, deglat_stop
real(kind=R_GRID), pointer :: deglat
logical, pointer :: nested, twowaynest
logical, pointer :: regional, write_restart_with_bcs, regional_bcs_from_gsi
integer, pointer :: bc_update_interval, nrows_blend
integer, pointer :: parent_tile, refinement, nestbctype, nestupdate, nsponge, ioffset, joffset
real, pointer :: s_weight, update_blend
character(len=16), pointer :: restart_resolution
integer, pointer :: layout(:), io_layout(:)
logical, pointer :: write_coarse_restart_files
logical, pointer :: write_coarse_diagnostics
logical, pointer :: write_only_coarse_intermediate_restarts
logical, pointer :: write_coarse_agrid_vel_rst
logical, pointer :: write_coarse_dgrid_vel_rst
logical, pointer :: pass_full_omega_to_physics_in_non_hydrostatic_mode
!!!!!!!!!! END POINTERS !!!!!!!!!!!!!!!!!!!!!!!!!!!!
this_grid = -1 ! default
call mp_assign_gid
ens_root_pe = mpp_root_pe()
! 1. read nesting namelists
call read_namelist_nest_nml
call read_namelist_fv_nest_nml
! 2. Set up Atm and PElists
do n=2,MAX_NNEST
if (tile_coarse(n) > 0) then
if (tile_coarse(n)<=num_tile_top) then
grid_coarse(n)=1
else
grid_coarse(n)=tile_coarse(n) - num_tile_top + 1
endif
endif
enddo
ngrids = 1
do n=2,MAX_NNEST
if (grid_coarse(n) <= 0) then
exit
endif
ngrids = ngrids + 1
enddo
allocate(Atm(ngrids))
npes = mpp_npes() ! now on global pelist
allocate(global_pelist(npes))
call mpp_get_current_pelist(global_pelist, commID=global_commID) ! for commID
allocate(grids_master_procs(ngrids))
pecounter = 0
allocate(grids_on_this_pe(ngrids))
grids_on_this_pe(:) = .false.
do n=1,ngrids
if (ngrids == 1 .or. grid_pes(n) == 0) then
grid_pes(n) = npes - sum(grid_pes)
if (grid_pes(n) == 0) then
if ( n > 1 ) then
call mpp_error(FATAL, 'Only one zero entry in grid_pes permitted.')
else
grid_pes(n) = npes
endif
endif
endif
allocate(Atm(n)%pelist(grid_pes(n)))
grids_master_procs(n) = pecounter
do i=1,grid_pes(n)
if (pecounter >= npes) then
if (mpp_pe() == 0) then
print*, 'ngrids = ', ngrids, ', grid_pes = ', grid_pes(1:ngrids)
endif
call mpp_error(FATAL, 'grid_pes assigns more PEs than are available.')
endif
Atm(n)%pelist(i) = pecounter + ens_root_pe !TODO PELIST set up by mpp_define_nest_domains???
pecounter = pecounter + 1
Atm(n)%npes_this_grid = grid_pes(n)
enddo
Atm(n)%grid_number = n
!TODO: we are required to use PE name for reading INTERNAL namelist
! and the actual file name for EXTERNAL namelists. Need to clean up this code
if (n == 1) then
pe_list_name = ''
else
write(pe_list_name,'(A4, I2.2)') 'nest', n
endif
call mpp_declare_pelist(Atm(n)%pelist, pe_list_name)
!If nest need to re-initialize internal NML
if (n > 1) then
Atm(n)%nml_filename = 'input_'//trim(pe_list_name)//'.nml'
else
Atm(n)%nml_filename = 'input.nml'
endif
if (.not. file_exists(Atm(n)%nml_filename)) then
call mpp_error(FATAL, "Could not find namelist "//Atm(n)%nml_filename)
endif
enddo
do n=1,ngrids
!ONE grid per pe
if (ANY(mpp_pe() == Atm(n)%pelist)) then
if (this_grid > 0) then
print*, mpp_pe(), this_grid, n
call mpp_error(FATAL, " Grid assigned to multiple pes")
endif
call mpp_set_current_pelist(Atm(n)%pelist)
call setup_master(Atm(n)%pelist)
this_grid = n
grids_on_this_pe(n) = .true.
endif
Atm(n)%neststruct%nested = ( grid_coarse(n) > 0 )
if (Atm(n)%neststruct%nested) then
if ( grid_coarse(n) > ngrids .or. grid_coarse(n) == n .or. grid_coarse(n) < 1) then
write(errstring,'(2(A,I3))') "Could not find parent grid #", grid_coarse(n), ' for grid #', n
call mpp_error(FATAL, errstring)
endif
Atm(n)%parent_grid => Atm(grid_coarse(n))
Atm(n)%neststruct%ioffset = nest_ioffsets(n)
Atm(n)%neststruct%joffset = nest_joffsets(n)
Atm(n)%neststruct%parent_tile = tile_coarse(n)
Atm(n)%neststruct%refinement = nest_refine(n)
else
Atm(n)%neststruct%ioffset = -999
Atm(n)%neststruct%joffset = -999
Atm(n)%neststruct%parent_tile = -1
Atm(n)%neststruct%refinement = -1
endif
enddo
if (pecounter /= npes) then
if (mpp_pe() == 0) then
print*, 'npes = ', npes, ', grid_pes = ', grid_pes(1:ngrids)
call mpp_error(FATAL, 'grid_pes in fv_nest_Nml does not assign all of the available PEs')
endif
endif
! 3pre.
call timing_init
call timing_on('TOTAL')
! 3. Read namelists, do option processing and I/O
call set_namelist_pointers(Atm(this_grid))
call fv_diag_init_gn(Atm(this_grid))
call read_input_nml(alt_input_nml_path=Atm(this_grid)%nml_filename) !re-reads into internal namelist
call read_namelist_fv_grid_nml
call read_namelist_fv_core_nml(Atm(this_grid)) ! do options processing here too?
call read_namelist_test_case_nml
call mpp_get_current_pelist(Atm(this_grid)%pelist, commID=commID) ! for commID
call mp_start(commID,halo_update_type)
! 4. Set up domains
! This should make use of new fv_nest_nml namelists
!!!! TODO TEMPORARY location for this code
if (Atm(this_grid)%neststruct%nested) then
if ( Atm(this_grid)%flagstruct%consv_te > 0.) then
call mpp_error(FATAL, 'The global energy fixer cannot be used on a nested grid. consv_te must be set to 0.')
end if
if (mod(Atm(this_grid)%flagstruct%npx-1 , Atm(this_grid)%neststruct%refinement) /= 0 .or. &
mod(Atm(this_grid)%flagstruct%npy-1, Atm(this_grid)%neststruct%refinement) /= 0) then
call mpp_error(FATAL, 'npx or npy not an even refinement of its coarse grid.')
endif
endif
if (Atm(this_grid)%flagstruct%regional) then
if ( consv_te > 0.) then
call mpp_error(FATAL, 'The global energy fixer cannot be used on a regional grid. consv_te must be set to 0.')
end if
end if
!Now only one call to mpp_define_nest_domains for ALL nests
! set up nest_level, tile_fine, tile_coarse
! need number of tiles, npx, and npy on each grid
! need to define a global PElist
all_ntiles(this_grid) = ntiles
call mpp_max(all_ntiles, ngrids, global_pelist)
all_npx(this_grid) = npx
call mpp_max(all_npx, ngrids, global_pelist)
all_npy(this_grid) = npy
call mpp_max(all_npy, ngrids, global_pelist)
all_npz(this_grid) = npz
call mpp_max(all_npz, ngrids, global_pelist)
if (Atm(this_grid)%neststruct%twowaynest) all_twowaynest(this_grid) = 1
call mpp_max(all_twowaynest, ngrids, global_pelist)
ntiles_nest_all = 0
do n=1,ngrids
if (n/=this_grid) then
Atm(n)%flagstruct%npx = all_npx(n)
Atm(n)%flagstruct%npy = all_npy(n)
Atm(n)%flagstruct%npz = all_npz(n)
Atm(n)%flagstruct%ntiles = all_ntiles(n)
Atm(n)%neststruct%twowaynest = (all_twowaynest(n) > 0) ! disabled
endif
npes_nest_tile(ntiles_nest_all+1:ntiles_nest_all+all_ntiles(n)) = &
Atm(n)%npes_this_grid / all_ntiles(n)
ntiles_nest_all = ntiles_nest_all + all_ntiles(n)
if (n > 1) then
tile_fine(n) = all_ntiles(n) + tile_fine(n-1)
if (tile_coarse(n) < 1) then !set automatically; only works for single tile parents
tile_coarse(n) = tile_fine(grid_coarse(n))
endif
icount_coarse(n) = all_npx(n)/nest_refine(n)
jcount_coarse(n) = all_npy(n)/nest_refine(n)
nest_level(n) = nest_level(grid_coarse(n)) + 1
Atm(n)%neststruct%nlevel=nest_level(n)
if (n==ngrids) Atm(:)%neststruct%num_nest_level=nest_level(ngrids)
else
tile_fine(n) = all_ntiles(n)
nest_level(n) = 0
endif
enddo
if (mpp_pe() == 0 .and. ngrids > 1) then
print*, ' NESTING TREE'
do n=1,ngrids
write(*,'(12i4)') n, nest_level(n), nest_ioffsets(n), nest_joffsets(n), icount_coarse(n), jcount_coarse(n), tile_fine(n), tile_coarse(n), nest_refine(n), all_ntiles(n), all_npx(n), all_npy(n)
write(*,*)
enddo
print*, npes_nest_tile(1:ntiles_nest_all)
print*, ''
endif
! 5. domain_decomp()
call domain_decomp(this_grid,Atm(this_grid)%flagstruct%npx,Atm(this_grid)%flagstruct%npy,Atm(this_grid)%flagstruct%ntiles,&
Atm(this_grid)%flagstruct%grid_type,Atm(this_grid)%neststruct%nested, &
Atm(this_grid)%layout,Atm(this_grid)%io_layout,Atm(this_grid)%bd,Atm(this_grid)%tile_of_mosaic, &
Atm(this_grid)%gridstruct%square_domain,Atm(this_grid)%npes_per_tile,Atm(this_grid)%domain, &
Atm(this_grid)%domain_for_coupler,Atm(this_grid)%domain_for_read,Atm(this_grid)%num_contact, &
Atm(this_grid)%pelist)
call broadcast_domains(Atm,Atm(this_grid)%pelist,size(Atm(this_grid)%pelist))
do n=1,ngrids
tile_id = mpp_get_tile_id(Atm(n)%domain)
Atm(n)%global_tile = tile_id(1) ! only meaningful locally
Atm(n)%npes_per_tile = size(Atm(n)%pelist)/Atm(n)%flagstruct%ntiles ! domain decomp doesn't set this globally
enddo
! 6. Set up domain and Atm structure
call tm_register_tracers (MODEL_ATMOS, Atm(this_grid)%flagstruct%ncnst, Atm(this_grid)%flagstruct%nt_prog, &
Atm(this_grid)%flagstruct%pnats, num_family)
if(is_master()) then
write(*,*) 'ncnst=', ncnst,' num_prog=',Atm(this_grid)%flagstruct%nt_prog,' pnats=',Atm(this_grid)%flagstruct%pnats,' dnats=',dnats,&
' num_family=',num_family
print*, ''
endif
if (dnrts < 0) dnrts = dnats
do n=1,ngrids
!FIXME still setting up dummy structures for other grids for convenience reasons
!isc, etc. set in domain_decomp
call allocate_fv_atmos_type(Atm(n), &
Atm(n)%bd%isd, Atm(n)%bd%ied, &
Atm(n)%bd%jsd, Atm(n)%bd%jed, &
Atm(n)%bd%isc, Atm(n)%bd%iec, &
Atm(n)%bd%jsc, Atm(n)%bd%jec, &
Atm(n)%flagstruct%npx, Atm(n)%flagstruct%npy, Atm(n)%flagstruct%npz, &
Atm(n)%flagstruct%ndims, Atm(n)%flagstruct%ntiles, Atm(n)%flagstruct%ncnst, Atm(n)%flagstruct%ncnst-Atm(n)%flagstruct%pnats, &
n/=this_grid, n==this_grid, ngrids) !TODO don't need both of the last arguments
enddo
if ( (Atm(this_grid)%bd%iec-Atm(this_grid)%bd%isc+1).lt.4 .or. (Atm(this_grid)%bd%jec-Atm(this_grid)%bd%jsc+1).lt.4 ) then
if (is_master()) write(*,'(6I6)') Atm(this_grid)%bd%isc, Atm(this_grid)%bd%iec, Atm(this_grid)%bd%jsc, Atm(this_grid)%bd%jec, this_grid
call mpp_error(FATAL,'Domain Decomposition: Cubed Sphere compute domain has a &
&minium requirement of 4 points in X and Y, respectively')
end if
!Tile_coarse is needed to determine which processors are needed to send around their
! data for computing the interpolation coefficients
if (ngrids > 1) then
!reset to universal pelist
call mpp_set_current_pelist( global_pelist )
!Except for npes_nest_tile all arrays should be just the nests and should NOT include the top level
call mpp_define_nest_domains(global_nest_domain, Atm(this_grid)%domain, &
ngrids-1, nest_level=nest_level(2:ngrids) , &
istart_coarse=nest_ioffsets(2:ngrids), jstart_coarse=nest_joffsets(2:ngrids), &
icount_coarse=icount_coarse(2:ngrids), jcount_coarse=jcount_coarse(2:ngrids), &
npes_nest_tile=npes_nest_tile(1:ntiles_nest_all), &
tile_fine=tile_fine(2:ngrids), tile_coarse=tile_coarse(2:ngrids), &
x_refine=nest_refine(2:ngrids), y_refine=nest_refine(2:ngrids), name="global_nest_domain")
call mpp_set_current_pelist(Atm(this_grid)%pelist)
endif
allocate(Atm(this_grid)%neststruct%child_grids(ngrids))
do n=1,ngrids
Atm(this_grid)%neststruct%child_grids(n) = (grid_coarse(n) == this_grid)
allocate(Atm(n)%neststruct%do_remap_bc(ngrids))
allocate(Atm(n)%neststruct%do_remap_bc_level(Atm(n)%neststruct%num_nest_level))
Atm(n)%neststruct%do_remap_bc(:) = .false.
Atm(n)%neststruct%do_remap_bc_level(:) = .false.
enddo
Atm(this_grid)%neststruct%parent_proc = ANY(Atm(this_grid)%neststruct%child_grids) !ANY(tile_coarse == Atm(this_grid)%global_tile)
Atm(this_grid)%neststruct%child_proc = ASSOCIATED(Atm(this_grid)%parent_grid) !this means a nested grid
if (ngrids > 1) call setup_update_regions
if (Atm(this_grid)%neststruct%nestbctype > 1) then
call mpp_error(FATAL, 'nestbctype > 1 not yet implemented')
Atm(this_grid)%neststruct%upoff = 0
endif
if (Atm(this_grid)%gridstruct%bounded_domain .and. is_master()) print*, &
' Bounded domain: nested = ', Atm(this_grid)%neststruct%nested, ', regional = ', Atm(this_grid)%flagstruct%regional
! 7. Init_grid() (including two-way nesting)
call init_grid(Atm(this_grid), Atm(this_grid)%flagstruct%grid_name, Atm(this_grid)%flagstruct%grid_file, &
Atm(this_grid)%flagstruct%npx, Atm(this_grid)%flagstruct%npy, Atm(this_grid)%flagstruct%npz, Atm(this_grid)%flagstruct%ndims, Atm(this_grid)%flagstruct%ntiles, Atm(this_grid)%ng, tile_coarse)
! 8. grid_utils_init()
! Initialize the SW (2D) part of the model
call grid_utils_init(Atm(this_grid), Atm(this_grid)%flagstruct%npx, Atm(this_grid)%flagstruct%npy, Atm(this_grid)%flagstruct%npz, Atm(this_grid)%flagstruct%non_ortho, Atm(this_grid)%flagstruct%grid_type, Atm(this_grid)%flagstruct%c2l_ord)
! Finish up initialization; write damping coefficients dependent upon
if ( is_master() ) then
sdt = dt_atmos/real(Atm(this_grid)%flagstruct%n_split*Atm(this_grid)%flagstruct%k_split*abs(p_split))
write(*,*) ' '
write(*,*) 'Divergence damping Coefficients'
write(*,*) 'For small dt=', sdt
write(*,*) 'External mode del-2 (m**2/s)=', Atm(this_grid)%flagstruct%d_ext*Atm(this_grid)%gridstruct%da_min_c/sdt
write(*,*) 'Internal mode del-2 SMAG dimensionless coeff=', Atm(this_grid)%flagstruct%dddmp
write(*,*) 'Internal mode del-2 background diff=', Atm(this_grid)%flagstruct%d2_bg*Atm(this_grid)%gridstruct%da_min_c/sdt
if (nord==1) then
write(*,*) 'Internal mode del-4 background diff=', Atm(this_grid)%flagstruct%d4_bg
write(*,*) 'Vorticity del-4 (m**4/s)=', (Atm(this_grid)%flagstruct%vtdm4*Atm(this_grid)%gridstruct%da_min)**2/sdt*1.E-6
endif
if (Atm(this_grid)%flagstruct%nord==2) write(*,*) 'Internal mode del-6 background diff=', Atm(this_grid)%flagstruct%d4_bg
if (Atm(this_grid)%flagstruct%nord==3) write(*,*) 'Internal mode del-8 background diff=', Atm(this_grid)%flagstruct%d4_bg
write(*,*) 'tracer del-2 diff=', Atm(this_grid)%flagstruct%trdm2
write(*,*) 'Vorticity del-4 (m**4/s)=', (Atm(this_grid)%flagstruct%vtdm4*Atm(this_grid)%gridstruct%da_min)**2/sdt*1.E-6
write(*,*) 'beta=', Atm(this_grid)%flagstruct%beta
write(*,*) ' '
endif
!Initialize restart
call fv_restart_init()
contains
subroutine set_namelist_pointers(Atm)
type(fv_atmos_type), intent(INOUT), target :: Atm
!This routine associates the MODULE flag pointers with the ARRAY flag variables for the grid active on THIS pe so the flags can be read in from the namelist.
grid_type => Atm%flagstruct%grid_type
grid_name => Atm%flagstruct%grid_name
grid_file => Atm%flagstruct%grid_file
hord_mt => Atm%flagstruct%hord_mt
kord_mt => Atm%flagstruct%kord_mt
kord_wz => Atm%flagstruct%kord_wz
hord_vt => Atm%flagstruct%hord_vt
hord_tm => Atm%flagstruct%hord_tm
hord_dp => Atm%flagstruct%hord_dp
kord_tm => Atm%flagstruct%kord_tm
remap_te => Atm%flagstruct%remap_te
hord_tr => Atm%flagstruct%hord_tr
kord_tr => Atm%flagstruct%kord_tr
scale_z => Atm%flagstruct%scale_z
w_max => Atm%flagstruct%w_max
z_min => Atm%flagstruct%z_min
lim_fac => Atm%flagstruct%lim_fac
nord => Atm%flagstruct%nord
nord_tr => Atm%flagstruct%nord_tr
dddmp => Atm%flagstruct%dddmp
d2_bg => Atm%flagstruct%d2_bg
d4_bg => Atm%flagstruct%d4_bg
vtdm4 => Atm%flagstruct%vtdm4
trdm2 => Atm%flagstruct%trdm2
d2_bg_k1 => Atm%flagstruct%d2_bg_k1
d2_bg_k2 => Atm%flagstruct%d2_bg_k2
d2_divg_max_k1 => Atm%flagstruct%d2_divg_max_k1
d2_divg_max_k2 => Atm%flagstruct%d2_divg_max_k2
damp_k_k1 => Atm%flagstruct%damp_k_k1
damp_k_k2 => Atm%flagstruct%damp_k_k2
n_zs_filter => Atm%flagstruct%n_zs_filter
nord_zs_filter => Atm%flagstruct%nord_zs_filter
full_zs_filter => Atm%flagstruct%full_zs_filter
RF_fast => Atm%flagstruct%RF_fast
consv_am => Atm%flagstruct%consv_am
do_sat_adj => Atm%flagstruct%do_sat_adj
do_inline_mp => Atm%flagstruct%do_inline_mp
do_f3d => Atm%flagstruct%do_f3d
no_dycore => Atm%flagstruct%no_dycore
convert_ke => Atm%flagstruct%convert_ke
do_vort_damp => Atm%flagstruct%do_vort_damp
use_old_omega => Atm%flagstruct%use_old_omega
beta => Atm%flagstruct%beta
n_sponge => Atm%flagstruct%n_sponge
d_ext => Atm%flagstruct%d_ext
nwat => Atm%flagstruct%nwat
use_logp => Atm%flagstruct%use_logp
warm_start => Atm%flagstruct%warm_start
inline_q => Atm%flagstruct%inline_q
shift_fac => Atm%flagstruct%shift_fac
do_schmidt => Atm%flagstruct%do_schmidt
do_cube_transform => Atm%flagstruct%do_cube_transform
stretch_fac => Atm%flagstruct%stretch_fac
target_lat => Atm%flagstruct%target_lat
target_lon => Atm%flagstruct%target_lon
regional => Atm%flagstruct%regional
bc_update_interval => Atm%flagstruct%bc_update_interval
nrows_blend => Atm%flagstruct%nrows_blend
write_restart_with_bcs => Atm%flagstruct%write_restart_with_bcs
regional_bcs_from_gsi => Atm%flagstruct%regional_bcs_from_gsi
reset_eta => Atm%flagstruct%reset_eta
ignore_rst_cksum => Atm%flagstruct%ignore_rst_cksum
p_fac => Atm%flagstruct%p_fac
a_imp => Atm%flagstruct%a_imp
n_split => Atm%flagstruct%n_split
m_split => Atm%flagstruct%m_split
k_split => Atm%flagstruct%k_split
use_logp => Atm%flagstruct%use_logp
q_split => Atm%flagstruct%q_split
print_freq => Atm%flagstruct%print_freq
write_3d_diags => Atm%flagstruct%write_3d_diags
npx => Atm%flagstruct%npx
npy => Atm%flagstruct%npy
npz => Atm%flagstruct%npz
npz_type => Atm%flagstruct%npz_type
fv_eta_file => Atm%flagstruct%fv_eta_file
npz_rst => Atm%flagstruct%npz_rst
ncnst => Atm%flagstruct%ncnst
pnats => Atm%flagstruct%pnats
dnats => Atm%flagstruct%dnats
dnrts => Atm%flagstruct%dnrts
ntiles => Atm%flagstruct%ntiles
nf_omega => Atm%flagstruct%nf_omega
fv_sg_adj => Atm%flagstruct%fv_sg_adj
sg_cutoff => Atm%flagstruct%sg_cutoff
na_init => Atm%flagstruct%na_init
nudge_dz => Atm%flagstruct%nudge_dz
p_ref => Atm%flagstruct%p_ref
dry_mass => Atm%flagstruct%dry_mass
nt_prog => Atm%flagstruct%nt_prog
nt_phys => Atm%flagstruct%nt_phys
tau_h2o => Atm%flagstruct%tau_h2o
delt_max => Atm%flagstruct%delt_max
d_con => Atm%flagstruct%d_con
ke_bg => Atm%flagstruct%ke_bg
consv_te => Atm%flagstruct%consv_te
tau => Atm%flagstruct%tau
rf_cutoff => Atm%flagstruct%rf_cutoff
filter_phys => Atm%flagstruct%filter_phys
dwind_2d => Atm%flagstruct%dwind_2d
breed_vortex_inline => Atm%flagstruct%breed_vortex_inline
range_warn => Atm%flagstruct%range_warn
fill => Atm%flagstruct%fill
fill_dp => Atm%flagstruct%fill_dp
fill_wz => Atm%flagstruct%fill_wz
fill_gfs => Atm%flagstruct%fill_gfs
check_negative => Atm%flagstruct%check_negative
non_ortho => Atm%flagstruct%non_ortho
adiabatic => Atm%flagstruct%adiabatic
moist_phys => Atm%flagstruct%moist_phys
do_Held_Suarez => Atm%flagstruct%do_Held_Suarez
reproduce_sum => Atm%flagstruct%reproduce_sum
adjust_dry_mass => Atm%flagstruct%adjust_dry_mass
fv_debug => Atm%flagstruct%fv_debug
w_limiter => Atm%flagstruct%w_limiter
srf_init => Atm%flagstruct%srf_init
mountain => Atm%flagstruct%mountain
remap_t => Atm%flagstruct%remap_t
z_tracer => Atm%flagstruct%z_tracer
old_divg_damp => Atm%flagstruct%old_divg_damp
fv_land => Atm%flagstruct%fv_land
do_am4_remap => Atm%flagstruct%do_am4_remap
nudge => Atm%flagstruct%nudge
nudge_ic => Atm%flagstruct%nudge_ic
ncep_ic => Atm%flagstruct%ncep_ic
nggps_ic => Atm%flagstruct%nggps_ic
hrrrv3_ic => Atm%flagstruct%hrrrv3_ic
ecmwf_ic => Atm%flagstruct%ecmwf_ic
gfs_phil => Atm%flagstruct%gfs_phil
agrid_vel_rst => Atm%flagstruct%agrid_vel_rst
use_new_ncep => Atm%flagstruct%use_new_ncep
use_ncep_phy => Atm%flagstruct%use_ncep_phy
fv_diag_ic => Atm%flagstruct%fv_diag_ic
external_ic => Atm%flagstruct%external_ic
external_eta => Atm%flagstruct%external_eta
read_increment => Atm%flagstruct%read_increment
hydrostatic => Atm%flagstruct%hydrostatic
phys_hydrostatic => Atm%flagstruct%phys_hydrostatic
use_hydro_pressure => Atm%flagstruct%use_hydro_pressure
do_uni_zfull => Atm%flagstruct%do_uni_zfull !miz
adj_mass_vmr => Atm%flagstruct%adj_mass_vmr !f1p
hybrid_z => Atm%flagstruct%hybrid_z
Make_NH => Atm%flagstruct%Make_NH
make_hybrid_z => Atm%flagstruct%make_hybrid_z
nudge_qv => Atm%flagstruct%nudge_qv
add_noise => Atm%flagstruct%add_noise
a2b_ord => Atm%flagstruct%a2b_ord
c2l_ord => Atm%flagstruct%c2l_ord
ndims => Atm%flagstruct%ndims
dx_const => Atm%flagstruct%dx_const
dy_const => Atm%flagstruct%dy_const
deglon_start => Atm%flagstruct%deglon_start
deglon_stop => Atm%flagstruct%deglon_stop
deglat_start => Atm%flagstruct%deglat_start
deglat_stop => Atm%flagstruct%deglat_stop
deglat => Atm%flagstruct%deglat
nested => Atm%neststruct%nested
twowaynest => Atm%neststruct%twowaynest
parent_tile => Atm%neststruct%parent_tile
refinement => Atm%neststruct%refinement
nestbctype => Atm%neststruct%nestbctype
nestupdate => Atm%neststruct%nestupdate
nsponge => Atm%neststruct%nsponge
s_weight => Atm%neststruct%s_weight
ioffset => Atm%neststruct%ioffset
joffset => Atm%neststruct%joffset
update_blend => Atm%neststruct%update_blend
layout => Atm%layout
io_layout => Atm%io_layout
write_coarse_restart_files => Atm%coarse_graining%write_coarse_restart_files
write_coarse_diagnostics => Atm%coarse_graining%write_coarse_diagnostics
write_only_coarse_intermediate_restarts => Atm%coarse_graining%write_only_coarse_intermediate_restarts
write_coarse_agrid_vel_rst => Atm%coarse_graining%write_coarse_agrid_vel_rst
write_coarse_dgrid_vel_rst => Atm%coarse_graining%write_coarse_dgrid_vel_rst
pass_full_omega_to_physics_in_non_hydrostatic_mode => Atm%flagstruct%pass_full_omega_to_physics_in_non_hydrostatic_mode
end subroutine set_namelist_pointers
subroutine read_namelist_nest_nml
integer :: f_unit, ios, ierr, dum
namelist /nest_nml/ dum ! ngrids, ntiles, nest_pes, p_split !emptied lmh 7may2019
read (input_nml_file,nest_nml,iostat=ios)
ierr = check_nml_error(ios,'nest_nml')
if (ierr > 0) then
call mpp_error(FATAL, " &nest_nml is depreciated. Please use &fv_nest_nml instead.")
endif
end subroutine read_namelist_nest_nml
subroutine read_namelist_fv_nest_nml
integer :: f_unit, ios, ierr
namelist /fv_nest_nml/ grid_pes, num_tile_top, tile_coarse, nest_refine, &
nest_ioffsets, nest_joffsets, p_split
read (input_nml_file,fv_nest_nml,iostat=ios)
ierr = check_nml_error(ios,'fv_nest_nml')
end subroutine read_namelist_fv_nest_nml
subroutine read_namelist_fv_grid_nml
integer :: f_unit, ios, ierr
! local version of these variables to allow PGI compiler to compile
character(len=80) :: grid_name = ''
character(len=120) :: grid_file = ''
namelist /fv_grid_nml/ grid_name, grid_file
! Read Main namelist
read (input_nml_file,fv_grid_nml,iostat=ios)
ierr = check_nml_error(ios,'fv_grid_nml')
call write_version_number ( 'FV_CONTROL_MOD', version )
unit = stdlog()
write(unit, nml=fv_grid_nml)
!Basic option processing
if (len_trim(grid_file) /= 0) Atm(this_grid)%flagstruct%grid_file = grid_file
if (len_trim(grid_name) /= 0) Atm(this_grid)%flagstruct%grid_name = grid_name
end subroutine read_namelist_fv_grid_nml
subroutine read_namelist_fv_core_nml(Atm)
type(fv_atmos_type), intent(inout) :: Atm
integer :: f_unit, ios, ierr
real :: dim0 = 180. ! base dimension
real :: dt0 = 1800. ! base time step
real :: ns0 = 5. ! base nsplit for base dimension
real :: dimx, dl, dp, dxmin, dymin, d_fac
real :: umax = 350. ! max wave speed for grid_type>3
integer :: n0split
! local version of these variables to allow PGI compiler to compile
character(len=128) :: res_latlon_dynamics = ''
character(len=128) :: res_latlon_tracers = ''
namelist /fv_core_nml/npx, npy, ntiles, npz, npz_type, fv_eta_file, npz_rst, layout, io_layout, ncnst, nwat, &
use_logp, p_fac, a_imp, k_split, n_split, m_split, q_split, print_freq, write_3d_diags, &
do_schmidt, do_cube_transform, &
hord_mt, hord_vt, hord_tm, hord_dp, hord_tr, shift_fac, stretch_fac, target_lat, target_lon, &
kord_mt, kord_wz, kord_tm, kord_tr, remap_te, fv_debug, fv_land, &
do_am4_remap, nudge, do_sat_adj, do_inline_mp, do_f3d, &
external_ic, read_increment, ncep_ic, nggps_ic, hrrrv3_ic, ecmwf_ic, use_new_ncep, use_ncep_phy, fv_diag_ic, &
external_eta, res_latlon_dynamics, res_latlon_tracers, scale_z, w_max, z_min, lim_fac, &
dddmp, d2_bg, d4_bg, vtdm4, trdm2, d_ext, delt_max, beta, non_ortho, n_sponge, &
warm_start, adjust_dry_mass, mountain, d_con, ke_bg, nord, nord_tr, convert_ke, use_old_omega, &
dry_mass, grid_type, do_Held_Suarez, &
consv_te, fill, filter_phys, fill_dp, fill_wz, fill_gfs, consv_am, RF_fast, &
range_warn, dwind_2d, inline_q, z_tracer, reproduce_sum, adiabatic, do_vort_damp, no_dycore, &
tau, tau_h2o, rf_cutoff, nf_omega, hydrostatic, fv_sg_adj, sg_cutoff, breed_vortex_inline, &
na_init, nudge_dz, hybrid_z, Make_NH, n_zs_filter, nord_zs_filter, full_zs_filter, reset_eta, &
pnats, dnats, dnrts, a2b_ord, remap_t, p_ref, d2_bg_k1, d2_bg_k2, &
c2l_ord, dx_const, dy_const, umax, deglat, &
deglon_start, deglon_stop, deglat_start, deglat_stop, &
phys_hydrostatic, use_hydro_pressure, make_hybrid_z, old_divg_damp, add_noise, &
nested, twowaynest, nudge_qv, &
nestbctype, nestupdate, nsponge, s_weight, &
check_negative, nudge_ic, halo_update_type, gfs_phil, agrid_vel_rst, &
do_uni_zfull, adj_mass_vmr, update_blend, regional,&
bc_update_interval, nrows_blend, write_restart_with_bcs, regional_bcs_from_gsi, &
w_limiter, write_coarse_restart_files, write_coarse_diagnostics,&
write_only_coarse_intermediate_restarts, &
write_coarse_agrid_vel_rst, write_coarse_dgrid_vel_rst, &
pass_full_omega_to_physics_in_non_hydrostatic_mode, ignore_rst_cksum
! Read FVCORE namelist
read (input_nml_file,fv_core_nml,iostat=ios)
ierr = check_nml_error(ios,'fv_core_nml')
! Reset input_file_nml to default behavior (CHECK do we still need this???)
!call read_input_nml
call write_version_number ( 'FV_CONTROL_MOD', version )
unit = stdlog()
write(unit, nml=fv_core_nml)
if (len_trim(res_latlon_dynamics) /= 0) Atm%flagstruct%res_latlon_dynamics = res_latlon_dynamics
if (len_trim(res_latlon_tracers) /= 0) Atm%flagstruct%res_latlon_tracers = res_latlon_tracers
!*** single tile for Cartesian grids
if (grid_type>3) then
ntiles=1
non_ortho = .false.
nf_omega = 0
endif
if (.not. (nested .or. regional)) Atm%neststruct%npx_global = npx
! Define n_split if not in namelist
if (ntiles==6) then
dimx = 4.0*(npx-1)
if ( hydrostatic ) then
if ( npx >= 120 ) ns0 = 6
else
if ( npx <= 45 ) then
ns0 = 6
elseif ( npx <=90 ) then
ns0 = 7
else
ns0 = 8
endif
endif
else
dimx = max ( npx, 2*(npy-1) )
endif
if (grid_type < 4) then
n0split = nint ( ns0*abs(dt_atmos)*dimx/(dt0*dim0) + 0.49 )
elseif (grid_type == 4 .or. grid_type == 7) then
n0split = nint ( 2.*umax*dt_atmos/sqrt(dx_const**2 + dy_const**2) + 0.49 )
elseif (grid_type == 5 .or. grid_type == 6) then
if (grid_type == 6) then
deglon_start = 0.; deglon_stop = 360.
endif
dl = (deglon_stop-deglon_start)*pi/(180.*(npx-1))
dp = (deglat_stop-deglat_start)*pi/(180.*(npy-1))
dxmin=dl*radius*min(cos(deglat_start*pi/180.-Atm%bd%ng*dp), &
cos(deglat_stop *pi/180.+Atm%bd%ng*dp))
dymin=dp*radius
n0split = nint ( 2.*umax*dt_atmos/sqrt(dxmin**2 + dymin**2) + 0.49 )
endif
n0split = max ( 1, n0split )
if ( n_split == 0 ) then
n_split = nint( real(n0split)/real(k_split*abs(p_split)) * stretch_fac + 0.5 )
if(is_master()) write(*,*) 'For k_split (remapping)=', k_split
if(is_master()) write(*,198) 'n_split is set to ', n_split, ' for resolution-dt=',npx,npy,ntiles,dt_atmos
else
if(is_master()) write(*,199) 'Using n_split from the namelist: ', n_split
endif