source: palm/trunk/SOURCE/parin.f90 @ 1320

 SUBROUTINE parin

!--------------------------------------------------------------------------------!
! This file is part of PALM.
!
! PALM is free software: you can redistribute it and/or modify it under the terms
! of the GNU General Public License as published by the Free Software Foundation,
! either version 3 of the License, or (at your option) any later version.
!
! PALM 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 General Public License along with
! PALM. If not, see <http://www.gnu.org/licenses/>.
!
! Copyright 1997-2014 Leibniz Universitaet Hannover
!--------------------------------------------------------------------------------!
!
! Current revisions:
! -----------------
! ONLY-attribute added to USE-statements,
! kind-parameters added to all INTEGER and REAL declaration statements,
! kinds are defined in new module kinds,
! old module precision_kind is removed,
! revision history before 2012 removed,
! comment fields (!:) to be used for variable explanations added to
! all variable declaration statements
!
! Former revisions:
! -----------------
! $Id: parin.f90 1320 2014-03-20 08:40:49Z raasch $
!
! 1318 2014-03-17 13:35:16Z raasch
! +cpu_log_barrierwait in d3par
!
! 1301 2014-03-06 13:29:46Z heinze
! +large_scale_subsidence
!
! 1241 2013-10-30 11:36:58Z heinze
! +nudging
! +large_scale_forcing
!
! 1216 2013-08-26 09:31:42Z raasch
! +transpose_compute_overlap in inipar
!
! 1195 2013-07-01 12:27:57Z heinze
! Bugfix: allocate ref_state
!
! 1179 2013-06-14 05:57:58Z raasch
! +reference_state in inipar
!
! 1159 2013-05-21 11:58:22Z fricke
! +use_cmax
!
! 1128 2013-04-12 06:19:32Z raasch
! +background_communication in inipar
!
! 1115 2013-03-26 18:16:16Z hoffmann
! unused variables removed
!
! 1092 2013-02-02 11:24:22Z raasch
! unused variables removed
!
! 1065 2012-11-22 17:42:36Z hoffmann
! +nc, c_sedimentation, limiter_sedimentation, turbulence
! -mu_constant, mu_constant_value
!
! 1053 2012-11-13 17:11:03Z hoffmann
! necessary expansions according to the two new prognostic equations (nr, qr) 
! of the two-moment cloud physics scheme and steering parameters:
! +*_init, *_surface, *_surface_initial_change, *_vertical_gradient, 
! +*_vertical_gradient_level, surface_waterflux_*, 
! +cloud_scheme, drizzle, mu_constant, mu_constant_value, ventilation_effect
!
! 1036 2012-10-22 13:43:42Z raasch
! code put under GPL (PALM 3.9)
!
! 1015 2012-09-27 09:23:24Z raasch
! -adjust_mixing_length
!
! 1003 2012-09-14 14:35:53Z raasch
! -grid_matching
!
! 1001 2012-09-13 14:08:46Z raasch
! -cut_spline_overshoot, long_filter_factor, overshoot_limit_*, ups_limit_*
!
! 996 2012-09-07 10:41:47Z raasch
! -use_prior_plot1d_parameters
!
! 978 2012-08-09 08:28:32Z fricke
! -km_damp_max, outflow_damping_width
! +pt_damping_factor, pt_damping_width
! +z0h_factor
!
! 964 2012-07-26 09:14:24Z raasch
! -cross_normalized_x, cross_normalized_y, cross_xtext, z_max_do1d,
! z_max_do1d_normalized
!
! 940 2012-07-09 14:31:00Z raasch
! +neutral in inipar
!
! 927 2012-06-06 19:15:04Z raasch
! +masking_method in inipar
!
! 824 2012-02-17 09:09:57Z raasch
! +curvature_solution_effects in inipar
!
! 809 2012-01-30 13:32:58Z maronga
! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
!
! 807 2012-01-25 11:53:51Z maronga
! New cpp directive "__check" implemented which is used by check_namelist_files
!
! Revision 1.1  1997/07/24 11:22:50  raasch
! Initial revision
!
!
! Description:
! ------------
! This subroutine reads variables controling the run from the NAMELIST files
!------------------------------------------------------------------------------!

    USE arrays_3d,                                                             &
        ONLY:  lad, pt_init, q_init, ref_state, sa_init, ug, u_init, v_init,   &
               vg

    USE cloud_parameters,                                                      &
        ONLY:  c_sedimentation, curvature_solution_effects,                    &
               limiter_sedimentation, nc_const, ventilation_effect

    USE control_parameters,                                                    &
        ONLY:  alpha_surface, averaging_interval, averaging_interval_pr,       &
               bc_e_b, bc_lr, bc_ns, bc_p_b, bc_p_t, bc_pt_b, bc_pt_t,         &
               bc_q_b, bc_q_t,bc_s_b, bc_s_t, bc_sa_t, bc_uv_b, bc_uv_t,       &
               bottom_salinityflux, building_height, building_length_x,        &
               building_length_y, building_wall_left, building_wall_south,     &
               call_psolver_at_all_substeps, canopy_mode, canyon_height,       &
               canyon_width_x, canyon_width_y, canyon_wall_left,               &
               canyon_wall_south, cfl_factor,                                  &
               cloud_droplets, cloud_physics, cloud_scheme,                    &
               conserve_volume_flow, conserve_volume_flow_mode,                &
               coupling_start_time, create_disturbances, cthf, cycle_mg,       &
               data_output, data_output_format, data_output_masks,             &
               data_output_pr, data_output_2d_on_each_pe,                      &
               disturbance_amplitude, disturbance_energy_limit,                &
               disturbance_level_b, disturbance_level_t, dissipation_1d,       &
               do2d_at_begin, do3d_at_begin, do3d_compress, do3d_comp_prec,    &
               dp_external, dp_level_b, dp_smooth, dpdxy, drag_coefficient,    &
               drizzle, dt, dz, dt_averaging_input, dt_averaging_input_pr,     &
               dt_coupling, dt_data_output, dt_data_output_av, dt_disturb,     &
               dt_domask, dt_dopr, dt_dopr_listing, dt_dots, dt_do2d_xy,       &
               dt_do2d_xz, dt_do2d_yz, dt_do3d, dt_max, dt_restart,            &
               dt_run_control, dz_max, dz_stretch_factor, dz_stretch_level,    &
               end_time, e_init, e_min, fft_method, force_print_header,        &
               galilei_transformation, host, humidity, inflow_damping_height,  &
               inflow_damping_width, inflow_disturbance_begin,                 &
               inflow_disturbance_end,  initializing_actions, io_blocks,       &
               io_group, km_constant, lad_surface, lad_vertical_gradient,      &
               lad_vertical_gradient_level, large_scale_forcing,               &
               large_scale_subsidence, leaf_surface_concentration,             &
               loop_optimization, masking_method, mask_scale_x, mask_scale_y,  &
               mask_scale_z, mask_x, mask_y, mask_z, mask_x_loop,              &
               mask_y_loop, mask_z_loop, maximum_cpu_time_allowed,             &
               maximum_parallel_io_streams, max_pr_user, message_string,       &
               mg_cycles, mg_switch_to_pe0_level, mixing_length_1d,            &
               momentum_advec, netcdf_data_format, netcdf_precision, neutral,  &
               ngsrb, normalizing_region, nsor, nsor_ini, nudging, ocean,      &
               omega, omega_sor, passive_scalar, pch_index, phi, nz_do3d,      &
               plant_canopy, prandtl_layer, prandtl_number, precipitation,     &
               precipitation_amount_interval, psolver, pt_damping_factor,      &
               pt_damping_width, pt_reference, pt_surface,                     &
               pt_surface_initial_change, pt_vertical_gradient,                &
               pt_vertical_gradient_level, q_surface,                          &
               q_surface_initial_change, q_vertical_gradient,                  &
               q_vertical_gradient_level, radiation, random_generator,         &
               random_heatflux, rayleigh_damping_factor,                       &
               rayleigh_damping_height, recycling_width, reference_state,      &
               residual_limit, restart_time, return_addres, return_username,   &
               revision, rif_max, rif_min, roughness_length, runnr,            &
               run_identifier, sa_surface, sa_vertical_gradient,               &
               sa_vertical_gradient_level, scalar_advec,                       &
               scalar_exchange_coefficient, scalar_rayleigh_damping,           &
               section_xy, section_xz, section_yz, skip_time_data_output,      &
               skip_time_data_output_av, skip_time_dopr, skip_time_do2d_xy,    &
               skip_time_do2d_xz, skip_time_do2d_yz, skip_time_do3d,           &
               skip_time_domask, subs_vertical_gradient,                       &
               subs_vertical_gradient_level, surface_heatflux,                 &
               surface_pressure, surface_scalarflux, surface_waterflux,        &
               synchronous_exchange,s_surface, s_surface_initial_change,       &
               s_vertical_gradient, s_vertical_gradient_level,                 &
               termination_time_needed, timestep_scheme, topography,           &
               topography_grid_convention, top_heatflux,  top_momentumflux_u,  &
               top_momentumflux_v, top_salinityflux,                           &
               transpose_compute_overlap, turbulence, turbulent_inflow,        &
               ug_surface, ug_vertical_gradient, ug_vertical_gradient_level,   &
               use_surface_fluxes, use_cmax, use_top_fluxes,                   &
               use_ug_for_galilei_tr, use_upstream_for_tke, uv_heights,        &
               u_bulk, u_profile, vg_surface, vg_vertical_gradient,            &
               vg_vertical_gradient_level, v_bulk, v_profile,                  &
               wall_adjustment, wall_heatflux, wall_humidityflux,              &
               wall_scalarflux, write_binary, z0h_factor, z_max_do2d

    USE cpulog,                                                                &
        ONLY:  cpu_log_barrierwait

    USE dvrp_variables,                                                        &
        ONLY:  local_dvrserver_running

    USE grid_variables,                                                        &
        ONLY:  dx, dy

    USE indices,                                                               &
        ONLY:  nx, ny, nz

    USE model_1d,                                                              &
        ONLY:  damp_level_1d, dt_pr_1d, dt_run_control_1d, end_time_1d

    USE pegrid

    USE profil_parameter,                                                      &
        ONLY:  cross_profiles, cross_ts_uymax, cross_ts_uymin,                 &
               profile_columns, profile_rows

    USE statistics,                                                            &
        ONLY:  hom, hom_sum, pr_palm, region, statistic_regions

    IMPLICIT NONE

    INTEGER(iwp) ::  i   !:


    NAMELIST /inipar/  alpha_surface, background_communication, bc_e_b, bc_lr, &
                       bc_ns, bc_p_b, bc_p_t, bc_pt_b, bc_pt_t, bc_q_b, &
             bc_q_t,bc_s_b, bc_s_t, bc_sa_t, bc_uv_b, bc_uv_t, &
             bottom_salinityflux, building_height, building_length_x, &
             building_length_y, building_wall_left, building_wall_south, &
             call_psolver_at_all_substeps, canopy_mode, canyon_height, &
             canyon_width_x, canyon_width_y, canyon_wall_left, &
             canyon_wall_south, c_sedimentation, cfl_factor, cloud_droplets, &
             cloud_physics, cloud_scheme, collective_wait, &
             conserve_volume_flow, &
             conserve_volume_flow_mode, coupling_start_time, cthf, &
             curvature_solution_effects, cycle_mg, damp_level_1d, &
             dissipation_1d, & !dissipation_control, &
             dp_external, dp_level_b, dp_smooth, dpdxy, drag_coefficient, &
             drizzle, dt, dt_pr_1d, dt_run_control_1d, dx, dy, dz, dz_max, & 
             dz_stretch_factor, dz_stretch_level, e_init, e_min, end_time_1d, &
             fft_method, galilei_transformation, humidity, &
             inflow_damping_height, inflow_damping_width, &
             inflow_disturbance_begin, inflow_disturbance_end, &
             initializing_actions, km_constant, lad_surface, &
             lad_vertical_gradient, lad_vertical_gradient_level, &
             large_scale_forcing, large_scale_subsidence, &
             leaf_surface_concentration, limiter_sedimentation, &
             loop_optimization, masking_method, mg_cycles, &
             mg_switch_to_pe0_level, mixing_length_1d, momentum_advec, &
             nc_const, netcdf_precision, neutral, ngsrb, &
             nsor, nsor_ini, nudging, nx, ny, nz, ocean, omega, omega_sor, &
             passive_scalar, pch_index, phi, plant_canopy, prandtl_layer, &
             prandtl_number, precipitation, psolver, pt_damping_factor, &
             pt_damping_width, pt_reference, pt_surface, &
             pt_surface_initial_change, pt_vertical_gradient, &
             pt_vertical_gradient_level, q_surface, q_surface_initial_change, &
             q_vertical_gradient, q_vertical_gradient_level, &
             radiation, random_generator, random_heatflux, &
             rayleigh_damping_factor, rayleigh_damping_height, recycling_width,&
             reference_state, residual_limit, &
             rif_max, rif_min, roughness_length, sa_surface, &
             sa_vertical_gradient, sa_vertical_gradient_level, scalar_advec, &
             scalar_exchange_coefficient, scalar_rayleigh_damping, &
             statistic_regions, subs_vertical_gradient, &
             subs_vertical_gradient_level, surface_heatflux, surface_pressure, &
             surface_scalarflux, surface_waterflux, &
             s_surface, s_surface_initial_change, s_vertical_gradient, &
             s_vertical_gradient_level, timestep_scheme, &
             topography, topography_grid_convention, top_heatflux, &
             top_momentumflux_u, top_momentumflux_v, top_salinityflux, &
             transpose_compute_overlap, turbulence, turbulent_inflow, &
             ug_surface, ug_vertical_gradient, &
             ug_vertical_gradient_level, use_surface_fluxes, use_cmax, &
             use_top_fluxes, use_ug_for_galilei_tr, use_upstream_for_tke, &
             uv_heights, u_bulk, u_profile, vg_surface, vg_vertical_gradient, &
             vg_vertical_gradient_level, v_bulk, v_profile, ventilation_effect, &
             wall_adjustment, wall_heatflux, wall_humidityflux, wall_scalarflux, &
             z0h_factor
      
    NAMELIST /d3par/  averaging_interval, averaging_interval_pr, &
             cpu_log_barrierwait, create_disturbances, &
             cross_profiles, cross_ts_uymax, cross_ts_uymin, &
             data_output, data_output_format, data_output_masks, &
             data_output_pr, data_output_2d_on_each_pe, disturbance_amplitude, &
             disturbance_energy_limit, disturbance_level_b, &
             disturbance_level_t, do2d_at_begin, do3d_at_begin, do3d_compress, &
             do3d_comp_prec, dt, dt_averaging_input, dt_averaging_input_pr, &
             dt_coupling, dt_data_output, dt_data_output_av, dt_disturb, &
             dt_domask, dt_dopr, dt_dopr_listing, dt_dots, dt_do2d_xy, &
             dt_do2d_xz, dt_do2d_yz, dt_do3d, dt_max, dt_restart, &
             dt_run_control,end_time, force_print_header, mask_scale_x, &
             mask_scale_y, mask_scale_z, mask_x, mask_y, mask_z, mask_x_loop, &
             mask_y_loop, mask_z_loop, netcdf_data_format, normalizing_region, &
             npex, npey, nz_do3d, precipitation_amount_interval, &
             profile_columns, profile_rows, restart_time, section_xy, &
             section_xz, section_yz, skip_time_data_output, &
             skip_time_data_output_av, skip_time_dopr, skip_time_do2d_xy, &
             skip_time_do2d_xz, skip_time_do2d_yz, skip_time_do3d, &
             skip_time_domask, synchronous_exchange, termination_time_needed, &
             z_max_do2d


    NAMELIST /envpar/  host, local_dvrserver_running, maximum_cpu_time_allowed,&
                       maximum_parallel_io_streams, revision, return_addres, &
                       return_username, run_identifier, tasks_per_node, &
                       write_binary

!
!-- First read values of environment variables (this NAMELIST file is
!-- generated by mrun)
    OPEN ( 90, FILE='ENVPAR', STATUS='OLD', FORM='FORMATTED', ERR=30 )
    READ ( 90, envpar, ERR=31, END=32 )
    CLOSE ( 90 )

!
!-- Calculate the number of groups into which parallel I/O is split.
!-- The default for files which are opened by all PEs (or where each
!-- PE opens his own independent file) is, that all PEs are doing input/output
!-- in parallel at the same time. This might cause performance or even more
!-- severe problems depending on the configuration of the underlying file
!-- system.
!-- First, set the default:
    IF ( maximum_parallel_io_streams == -1  .OR. &
         maximum_parallel_io_streams > numprocs )  THEN
       maximum_parallel_io_streams = numprocs
    ENDIF
!
!-- Now calculate the number of io_blocks and the io_group to which the
!-- respective PE belongs. I/O of the groups is done in serial, but in parallel
!-- for all PEs belonging to the same group.
!-- These settings are repeated in init_pegrid for the communicator comm2d,
!-- which is not available here
    io_blocks = numprocs / maximum_parallel_io_streams
    io_group  = MOD( myid+1, io_blocks )

!
!-- Data is read in parallel by groups of PEs
    DO  i = 0, io_blocks-1
       IF ( i == io_group )  THEN

!
!--       Open the NAMELIST-file which is send with this job
          CALL check_open( 11 )

!
!--       Read the control parameters for initialization.
!--       The namelist "inipar" must be provided in the NAMELIST-file.
          READ ( 11, inipar, ERR=10, END=11 )

#if defined ( __check )
!
!--       In case of a namelist file check, &inipar from the p3d file is
!--       used. The p3d file here must be closed and the p3df file for reading 
!--       3dpar is opened.
          IF ( check_restart == 1 )  THEN
             CALL close_file( 11 )
             check_restart = 2
             CALL check_open( 11 )             
             initializing_actions = 'read_restart_data'
          ENDIF
#endif
          GOTO 12

 10       message_string = 'errors in \$inipar &or no \$inipar-namelist ' // &
                           'found (CRAY-machines only)'
          CALL message( 'parin', 'PA0271', 1, 2, 0, 6, 0 )

 11       message_string = 'no \$inipar-namelist found'
          CALL message( 'parin', 'PA0272', 1, 2, 0, 6, 0 )

!
!--       If required, read control parameters from restart file (produced by
!--       a prior run). All PEs are reading from file created by PE0 (see
!--       check_open)
 12       IF ( TRIM( initializing_actions ) == 'read_restart_data' )  THEN
#if ! defined ( __check )
             CALL read_var_list
!
!--          The restart file will be reopened when reading the subdomain data
             CALL close_file( 13 )

!
!--          Increment the run count
             runnr = runnr + 1
#endif
          ENDIF

!
!--       Definition of names of areas used for computing statistics. They must
!--       be defined at this place, because they are allowed to be redefined by
!--       the user in user_parin.
          region = 'total domain'

!
!--       Read runtime parameters given by the user for this run (namelist
!--       "d3par"). The namelist "d3par" can be omitted. In that case, default
!--       values are used for the parameters.
          READ ( 11, d3par, END=20 )

!
!--       Read control parameters for optionally used model software packages
 20       CALL package_parin

!
!--       Read user-defined variables
          CALL user_parin

!
!--       Check in case of initial run, if the grid point numbers are well
!--       defined and allocate some arrays which are already needed in
!--       init_pegrid or check_parameters. During restart jobs, these arrays
!--       will be allocated in read_var_list. All other arrays are allocated
!--       in init_3d_model.
          IF ( TRIM( initializing_actions ) /= 'read_restart_data' )  THEN

             IF ( nx <= 0 )  THEN
                WRITE( message_string, * ) 'no value or wrong value given', &
                                           ' for nx: nx=', nx
                CALL message( 'parin', 'PA0273', 1, 2, 0, 6, 0 )
             ENDIF
             IF ( ny <= 0 )  THEN
                WRITE( message_string, * ) 'no value or wrong value given', &
                                           ' for ny: ny=', ny
                CALL message( 'parin', 'PA0274', 1, 2, 0, 6, 0 )
             ENDIF
             IF ( nz <= 0 )  THEN
                WRITE( message_string, * ) 'no value or wrong value given', &
                                           ' for nz: nz=', nz
                CALL message( 'parin', 'PA0275', 1, 2, 0, 6, 0 )
             ENDIF
!
!--          ATTENTION: in case of changes to the following statement please
!--                  also check the allocate statement in routine read_var_list
             ALLOCATE( lad(0:nz+1), pt_init(0:nz+1), q_init(0:nz+1),          &
                       ref_state(0:nz+1), sa_init(0:nz+1), ug(0:nz+1),        &
                       u_init(0:nz+1), v_init(0:nz+1), vg(0:nz+1),            &
                       hom(0:nz+1,2,pr_palm+max_pr_user,0:statistic_regions), &
                       hom_sum(0:nz+1,pr_palm+max_pr_user,0:statistic_regions) )

             hom = 0.0

          ENDIF

!
!--       NAMELIST-file is not needed anymore
          CALL close_file( 11 )

       ENDIF
#if defined( __parallel ) && ! ( __check )
       CALL MPI_BARRIER( MPI_COMM_WORLD, ierr )
#endif
    ENDDO

    RETURN

 30 message_string = 'local file ENVPAR not found' // &
                     '&some variables for steering may not be properly set'
    CALL message( 'parin', 'PA0276', 0, 1, 0, 6, 0 )
    RETURN

 31 message_string = 'errors in local file ENVPAR' // &
                     '&some variables for steering may not be properly set'
    CALL message( 'parin', 'PA0277', 0, 1, 0, 6, 0 )
    RETURN

 32 message_string = 'no envpar-NAMELIST found in local file ENVPAR'  // &
                     '&some variables for steering may not be properly set'
    CALL message( 'parin', 'PA0278', 0, 1, 0, 6, 0 )

 END SUBROUTINE parin