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source: palm/trunk/SOURCE/parin.f90 @ 4291

Last change on this file since 4291 was 4227, checked in by gronemeier, 5 years ago
implement new palm_date_time_mod; replaced namelist parameters time_utc_init and day_of_year_init by origin_date_time
Property svn:keywords set to `Id`
File size: 35.2 KB

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1	!> @file parin.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 1997-2019 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: parin.f90 4227 2019-09-10 18:04:34Z moh.hefny $
27	! implement new palm_date_time_mod
28	!
29	! 4146 2019-08-07 07:47:36Z gronemeier
30	! added rotation_angle to initialization_parameters
31	!
32	! 4191 2019-08-27 15:45:07Z gronemeier
33	! bugfix: add recycling_method_for_thermodynamic_quantities to inipar namelist
34	!
35	! 4183 2019-08-23 07:33:16Z oliver.maas
36	! replaced recycle_absolute_quantities by recycling_method_for_thermodynamic_quantities
37	!
38	! 4182 2019-08-22 15:20:23Z scharf
39	! Corrected "Former revisions" section
40	!
41	! 4176 2019-08-20 14:10:41Z oliver.maas
42	! added recycle_absolute_quantities to initialization_parameters namelist
43	!
44	! 4173 2019-08-20 12:04:06Z gronemeier
45	! add vdi_internal_controls
46	!
47	! 4131 2019-08-02 11:06:18Z monakurppa
48	! Allocate hom and hom_sum to allow profile output for salsa variables.
49	!
50	! 4079 2019-07-09 18:04:41Z suehring
51	! +monotonic_limiter_z
52	!
53	! 4022 2019-06-12 11:52:39Z suehring
54	! Change default top boundary condition for pressure to Neumann in offline
55	! nesting case
56	!
57	! 4017 2019-06-06 12:16:46Z schwenkel
58	! Introduce alternative switch for debug output during timestepping
59	!
60	! 3885 2019-04-11 11:29:34Z kanani
61	! Changes related to global restructuring of location messages and introduction
62	! of additional debug messages
63	!
64	! 3806 2019-03-21 12:45:50Z raasch
65	! additional check for lateral boundary conditions added
66	!
67	! 3747 2019-02-16 15:15:23Z gronemeier
68	! removed setting of parameter region
69	!
70	! 3746 2019-02-16 12:41:27Z gronemeier
71	! Removed most_method
72	!
73	! 3649 2019-01-02 16:52:21Z suehring
74	! Delete debug-print statements
75	!
76	! Revision 1.1 1997/07/24 11:22:50 raasch
77	! Initial revision
78	!
79	!
80	! Description:
81	! ------------
82	!> This subroutine reads variables controling the run from the NAMELIST files
83	!>
84	!> @todo: Revise max_pr_cs (profiles for chemistry)
85	!------------------------------------------------------------------------------!
86	SUBROUTINE parin
87
88
89	USE arrays_3d, &
90	ONLY: pt_init, q_init, ref_state, s_init, sa_init, &
91	ug, u_init, v_init, vg
92
93	USE chem_modules
94
95	USE control_parameters
96
97	USE cpulog, &
98	ONLY: cpu_log_barrierwait
99
100	USE grid_variables, &
101	ONLY: dx, dy
102
103	USE indices, &
104	ONLY: nx, ny, nz
105
106	USE kinds
107
108	USE model_1d_mod, &
109	ONLY: damp_level_1d, dt_pr_1d, dt_run_control_1d, end_time_1d
110
111	USE module_interface, &
112	ONLY: module_interface_parin
113
114	USE netcdf_interface, &
115	ONLY: netcdf_data_format, netcdf_deflate, netcdf_precision
116
117	USE pegrid
118
119	USE pmc_interface, &
120	ONLY: nested_run, nesting_mode
121
122	USE profil_parameter, &
123	ONLY: cross_profiles, profile_columns, profile_rows
124
125	USE progress_bar, &
126	ONLY : progress_bar_disabled
127
128	USE read_restart_data_mod, &
129	ONLY: rrd_global
130
131	USE statistics, &
132	ONLY: hom, hom_sum, pr_palm, statistic_regions
133
134	USE turbulence_closure_mod, &
135	ONLY: rans_const_c, rans_const_sigma
136
137	USE vertical_nesting_mod, &
138	ONLY: vnest_start_time
139
140
141	IMPLICIT NONE
142
143	CHARACTER (LEN=80) :: line !< dummy string that contains the current line of the parameter file
144
145	INTEGER(iwp) :: global_id !< process id with respect to MPI_COMM_WORLD
146	INTEGER(iwp) :: global_procs !< # of procs with respect to MPI_COMM_WORLD
147	INTEGER(iwp) :: i !<
148	INTEGER(iwp) :: ioerr !< error flag for open/read/write
149
150	NAMELIST /inipar/ alpha_surface, approximation, bc_e_b, &
151	bc_lr, bc_ns, bc_p_b, bc_p_t, bc_pt_b, bc_pt_t, bc_q_b, &
152	bc_q_t,bc_s_b, bc_s_t, bc_uv_b, bc_uv_t, &
153	building_height, building_length_x, &
154	building_length_y, building_wall_left, building_wall_south, &
155	calc_soil_moisture_during_spinup, &
156	call_psolver_at_all_substeps, &
157	canyon_height, &
158	canyon_width_x, canyon_width_y, canyon_wall_left, &
159	canyon_wall_south, cfl_factor, cloud_droplets, &
160	collective_wait, complex_terrain, &
161	conserve_volume_flow, &
162	conserve_volume_flow_mode, constant_flux_layer, &
163	coupling_start_time, &
164	cycle_mg, damp_level_1d, &
165	data_output_during_spinup, &
166	origin_date_time, &
167	dissipation_1d, &
168	dp_external, dp_level_b, dp_smooth, dpdxy, &
169	dt, dt_pr_1d, dt_run_control_1d, dt_spinup, dx, dy, dz, dz_max, &
170	dz_stretch_factor, dz_stretch_level, dz_stretch_level_start, &
171	dz_stretch_level_end, end_time_1d, ensemble_member_nr, e_init, &
172	e_min, fft_method, flux_input_mode, flux_output_mode, &
173	galilei_transformation, humidity, &
174	inflow_damping_height, inflow_damping_width, &
175	inflow_disturbance_begin, inflow_disturbance_end, &
176	initializing_actions, km_constant, &
177	large_scale_forcing, large_scale_subsidence, latitude, &
178	longitude, &
179	loop_optimization, lsf_exception, masking_method, mg_cycles, &
180	mg_switch_to_pe0_level, mixing_length_1d, momentum_advec, &
181	monotonic_limiter_z, &
182	netcdf_precision, neutral, ngsrb, &
183	nsor, nsor_ini, nudging, nx, ny, nz, ocean_mode, omega, &
184	omega_sor, outflow_source_plane, passive_scalar, &
185	prandtl_number, psolver, pt_damping_factor, &
186	pt_damping_width, pt_reference, pt_surface, &
187	pt_surface_initial_change, pt_vertical_gradient, &
188	pt_vertical_gradient_level, q_surface, q_surface_initial_change, &
189	q_vertical_gradient, q_vertical_gradient_level, &
190	random_generator, random_heatflux, rans_const_c, rans_const_sigma,&
191	rayleigh_damping_factor, rayleigh_damping_height, &
192	recycling_method_for_thermodynamic_quantities, &
193	recycling_width, recycling_yshift, &
194	reference_state, residual_limit, &
195	rotation_angle, &
196	roughness_length, &
197	scalar_advec, &
198	scalar_rayleigh_damping, &
199	spinup_time, spinup_pt_amplitude, spinup_pt_mean, &
200	statistic_regions, subs_vertical_gradient, &
201	subs_vertical_gradient_level, surface_heatflux, surface_pressure, &
202	surface_scalarflux, surface_waterflux, &
203	s_surface, s_surface_initial_change, s_vertical_gradient, &
204	s_vertical_gradient_level, timestep_scheme, &
205	topography, topography_grid_convention, top_heatflux, &
206	top_momentumflux_u, top_momentumflux_v, &
207	top_scalarflux, transpose_compute_overlap, &
208	tunnel_height, tunnel_length, tunnel_width_x, tunnel_width_y, &
209	tunnel_wall_depth, turbulence_closure, &
210	turbulent_inflow, turbulent_outflow, &
211	use_subsidence_tendencies, ug_surface, ug_vertical_gradient, &
212	use_free_convection_scaling, &
213	ug_vertical_gradient_level, use_surface_fluxes, use_cmax, &
214	use_top_fluxes, use_ug_for_galilei_tr, use_upstream_for_tke, &
215	uv_heights, u_bulk, u_profile, vdi_checks, vg_surface, &
216	vg_vertical_gradient, &
217	vg_vertical_gradient_level, v_bulk, v_profile,&
218	wall_adjustment, wall_heatflux, wall_humidityflux, &
219	wall_scalarflux, y_shift, zeta_max, zeta_min, &
220	z0h_factor
221
222	NAMELIST /initialization_parameters/ alpha_surface, &
223	approximation, bc_e_b, &
224	bc_lr, bc_ns, bc_p_b, bc_p_t, bc_pt_b, bc_pt_t, bc_q_b, &
225	bc_q_t,bc_s_b, bc_s_t, bc_uv_b, bc_uv_t, &
226	building_height, building_length_x, &
227	building_length_y, building_wall_left, building_wall_south, &
228	calc_soil_moisture_during_spinup, &
229	call_psolver_at_all_substeps, &
230	canyon_height, &
231	canyon_width_x, canyon_width_y, canyon_wall_left, &
232	canyon_wall_south, cfl_factor, cloud_droplets, &
233	collective_wait, complex_terrain, &
234	conserve_volume_flow, &
235	conserve_volume_flow_mode, constant_flux_layer, &
236	coupling_start_time, &
237	cycle_mg, damp_level_1d, &
238	data_output_during_spinup, &
239	origin_date_time, &
240	dissipation_1d, &
241	dp_external, dp_level_b, dp_smooth, dpdxy, &
242	dt, dt_pr_1d, dt_run_control_1d, dt_spinup, dx, dy, dz, dz_max, &
243	dz_stretch_factor, dz_stretch_level, dz_stretch_level_start, &
244	dz_stretch_level_end, end_time_1d, ensemble_member_nr, e_init, &
245	e_min, fft_method, flux_input_mode, flux_output_mode, &
246	galilei_transformation, humidity, &
247	inflow_damping_height, inflow_damping_width, &
248	inflow_disturbance_begin, inflow_disturbance_end, &
249	initializing_actions, km_constant, &
250	large_scale_forcing, large_scale_subsidence, latitude, &
251	longitude, &
252	loop_optimization, lsf_exception, masking_method, mg_cycles, &
253	mg_switch_to_pe0_level, mixing_length_1d, momentum_advec, &
254	monotonic_limiter_z, &
255	netcdf_precision, neutral, ngsrb, &
256	nsor, nsor_ini, nudging, nx, ny, nz, ocean_mode, omega, &
257	omega_sor, outflow_source_plane, passive_scalar, &
258	prandtl_number, psolver, pt_damping_factor, &
259	pt_damping_width, pt_reference, pt_surface, &
260	pt_surface_initial_change, pt_vertical_gradient, &
261	pt_vertical_gradient_level, q_surface, q_surface_initial_change, &
262	q_vertical_gradient, q_vertical_gradient_level, &
263	random_generator, random_heatflux, rans_const_c, rans_const_sigma,&
264	rayleigh_damping_factor, rayleigh_damping_height, &
265	recycling_method_for_thermodynamic_quantities, &
266	recycling_width, recycling_yshift, &
267	reference_state, residual_limit, &
268	rotation_angle, &
269	roughness_length, scalar_advec, &
270	scalar_rayleigh_damping, &
271	spinup_time, spinup_pt_amplitude, spinup_pt_mean, &
272	statistic_regions, subs_vertical_gradient, &
273	subs_vertical_gradient_level, surface_heatflux, surface_pressure, &
274	surface_scalarflux, surface_waterflux, &
275	s_surface, s_surface_initial_change, s_vertical_gradient, &
276	s_vertical_gradient_level, timestep_scheme, &
277	topography, topography_grid_convention, top_heatflux, &
278	top_momentumflux_u, top_momentumflux_v, &
279	top_scalarflux, transpose_compute_overlap, &
280	tunnel_height, tunnel_length, tunnel_width_x, tunnel_width_y, &
281	tunnel_wall_depth, turbulence_closure, &
282	turbulent_inflow, turbulent_outflow, &
283	use_subsidence_tendencies, ug_surface, ug_vertical_gradient, &
284	ug_vertical_gradient_level, use_surface_fluxes, use_cmax, &
285	use_top_fluxes, use_ug_for_galilei_tr, use_upstream_for_tke, &
286	use_free_convection_scaling, &
287	uv_heights, u_bulk, u_profile, vdi_checks, &
288	vg_surface, vg_vertical_gradient, &
289	vg_vertical_gradient_level, v_bulk, v_profile, &
290	wall_adjustment, wall_heatflux, wall_humidityflux, &
291	wall_scalarflux, y_shift, zeta_max, zeta_min, z0h_factor
292
293	NAMELIST /d3par/ averaging_interval, averaging_interval_pr, &
294	cpu_log_barrierwait, create_disturbances, &
295	cross_profiles, data_output, data_output_masks, &
296	data_output_pr, data_output_2d_on_each_pe, &
297	debug_output, &
298	debug_output_timestep, &
299	disturbance_amplitude, &
300	disturbance_energy_limit, disturbance_level_b, &
301	disturbance_level_t, do2d_at_begin, do3d_at_begin, &
302	dt, dt_averaging_input, dt_averaging_input_pr, &
303	dt_coupling, dt_data_output, dt_data_output_av, dt_disturb, &
304	dt_domask, dt_dopr, dt_dopr_listing, dt_dots, dt_do2d_xy, &
305	dt_do2d_xz, dt_do2d_yz, dt_do3d, dt_max, dt_restart, &
306	dt_run_control,end_time, force_print_header, mask_k_over_surface, &
307	mask_scale_x, &
308	mask_scale_y, mask_scale_z, mask_x, mask_y, mask_z, mask_x_loop, &
309	mask_y_loop, mask_z_loop, netcdf_data_format, netcdf_deflate, &
310	normalizing_region, npex, npey, nz_do3d, &
311	profile_columns, profile_rows, &
312	restart_time, section_xy, section_xz, section_yz, &
313	skip_time_data_output, skip_time_data_output_av, skip_time_dopr, &
314	skip_time_do2d_xy, skip_time_do2d_xz, skip_time_do2d_yz, &
315	skip_time_do3d, skip_time_domask, synchronous_exchange, &
316	termination_time_needed, vnest_start_time
317
318	NAMELIST /runtime_parameters/ averaging_interval, averaging_interval_pr, &
319	cpu_log_barrierwait, create_disturbances, &
320	cross_profiles, data_output, data_output_masks, &
321	data_output_pr, data_output_2d_on_each_pe, &
322	debug_output, &
323	debug_output_timestep, &
324	disturbance_amplitude, &
325	disturbance_energy_limit, disturbance_level_b, &
326	disturbance_level_t, do2d_at_begin, do3d_at_begin, &
327	dt, dt_averaging_input, dt_averaging_input_pr, &
328	dt_coupling, dt_data_output, dt_data_output_av, dt_disturb, &
329	dt_domask, dt_dopr, dt_dopr_listing, dt_dots, dt_do2d_xy, &
330	dt_do2d_xz, dt_do2d_yz, dt_do3d, dt_max, dt_restart, &
331	dt_run_control,end_time, force_print_header, mask_k_over_surface, &
332	mask_scale_x, &
333	mask_scale_y, mask_scale_z, mask_x, mask_y, mask_z, mask_x_loop, &
334	mask_y_loop, mask_z_loop, netcdf_data_format, netcdf_deflate, &
335	normalizing_region, npex, npey, nz_do3d, &
336	profile_columns, profile_rows, &
337	restart_time, section_xy, section_xz, section_yz, &
338	skip_time_data_output, skip_time_data_output_av, skip_time_dopr, &
339	skip_time_do2d_xy, skip_time_do2d_xz, skip_time_do2d_yz, &
340	skip_time_do3d, skip_time_domask, synchronous_exchange, &
341	termination_time_needed, vnest_start_time
342
343	NAMELIST /envpar/ progress_bar_disabled, host, &
344	maximum_cpu_time_allowed, maximum_parallel_io_streams, &
345	read_svf, revision, run_identifier, tasks_per_node, &
346	write_binary, write_svf
347
348	!
349	!-- First read values of environment variables (this NAMELIST file is
350	!-- generated by palmrun)
351	CALL location_message( 'reading environment parameters from ENVPAR', 'start' )
352
353	OPEN ( 90, FILE='ENVPAR', STATUS='OLD', FORM='FORMATTED', IOSTAT=ioerr )
354
355	IF ( ioerr /= 0 ) THEN
356	message_string = 'local file ENVPAR not found' // &
357	'&some variables for steering may not be properly set'
358	CALL message( 'parin', 'PA0276', 0, 1, 0, 6, 0 )
359	ELSE
360	READ ( 90, envpar, IOSTAT=ioerr )
361	IF ( ioerr < 0 ) THEN
362	message_string = 'no envpar-NAMELIST found in local file ' // &
363	'ENVPAR& or some variables for steering may ' // &
364	'not be properly set'
365	CALL message( 'parin', 'PA0278', 0, 1, 0, 6, 0 )
366	ELSEIF ( ioerr > 0 ) THEN
367	message_string = 'errors in local file ENVPAR' // &
368	'&some variables for steering may not be properly set'
369	CALL message( 'parin', 'PA0277', 0, 1, 0, 6, 0 )
370	ENDIF
371	CLOSE ( 90 )
372	ENDIF
373
374	CALL location_message( 'reading environment parameters from ENVPAR', 'finished' )
375	!
376	!-- Calculate the number of groups into which parallel I/O is split.
377	!-- The default for files which are opened by all PEs (or where each
378	!-- PE opens his own independent file) is, that all PEs are doing input/output
379	!-- in parallel at the same time. This might cause performance or even more
380	!-- severe problems depending on the configuration of the underlying file
381	!-- system.
382	!-- Calculation of the number of blocks and the I/O group must be based on all
383	!-- PEs involved in this run. Since myid and numprocs are related to the
384	!-- comm2d communicator, which gives only a subset of all PEs in case of
385	!-- nested runs, that information must be inquired again from the global
386	!-- communicator.
387	!-- First, set the default:
388	#if defined( __parallel )
389	CALL MPI_COMM_RANK( MPI_COMM_WORLD, global_id, ierr )
390	CALL MPI_COMM_SIZE( MPI_COMM_WORLD, global_procs, ierr )
391	#else
392	global_id = 0
393	global_procs = 1
394	#endif
395	IF ( maximum_parallel_io_streams == -1 .OR. &
396	maximum_parallel_io_streams > global_procs ) THEN
397	maximum_parallel_io_streams = global_procs
398	ENDIF
399	!
400	!-- Now calculate the number of io_blocks and the io_group to which the
401	!-- respective PE belongs. I/O of the groups is done in serial, but in parallel
402	!-- for all PEs belonging to the same group.
403	io_blocks = global_procs / maximum_parallel_io_streams
404	io_group = MOD( global_id+1, io_blocks )
405
406	CALL location_message( 'reading NAMELIST parameters from PARIN', 'start' )
407	!
408	!-- Data is read in parallel by groups of PEs
409	DO i = 0, io_blocks-1
410	IF ( i == io_group ) THEN
411
412	!
413	!-- Open the NAMELIST-file which is send with this job
414	CALL check_open( 11 )
415
416	!
417	!-- Read the control parameters for initialization.
418	!-- The namelist "inipar" must be provided in the NAMELIST-file.
419	READ ( 11, initialization_parameters, ERR=10, END=11 )
420	GOTO 14
421
422	10 BACKSPACE( 11 )
423	READ( 11 , '(A)') line
424	CALL parin_fail_message( 'initialization_parameters', line )
425
426	11 REWIND ( 11 )
427	READ ( 11, inipar, ERR=12, END=13 )
428
429	message_string = 'namelist inipar is deprecated and will be ' // &
430	'removed in near future. & Please use namelist ' // &
431	'initialization_parameters instead'
432	CALL message( 'parin', 'PA0017', 0, 1, 0, 6, 0 )
433
434	GOTO 14
435
436	12 BACKSPACE( 11 )
437	READ( 11 , '(A)') line
438	CALL parin_fail_message( 'inipar', line )
439
440	13 message_string = 'no initialization_parameters-namelist found'
441	CALL message( 'parin', 'PA0272', 1, 2, 0, 6, 0 )
442
443	!
444	!-- Try to read runtime parameters given by the user for this run
445	!-- (namelist "runtime_parameters"). The namelist "runtime_parmeters"
446	!-- can be omitted. In that case default values are used for the
447	!-- parameters.
448	14 line = ' '
449
450	REWIND ( 11 )
451	line = ' '
452	DO WHILE ( INDEX( line, '&runtime_parameters' ) == 0 )
453	READ ( 11, '(A)', END=16 ) line
454	ENDDO
455	BACKSPACE ( 11 )
456
457	!
458	!-- Read namelist
459	READ ( 11, runtime_parameters, ERR = 15 )
460	GOTO 18
461
462	15 BACKSPACE( 11 )
463	READ( 11 , '(A)') line
464	CALL parin_fail_message( 'runtime_parameters', line )
465
466	16 REWIND ( 11 )
467	line = ' '
468	DO WHILE ( INDEX( line, '&d3par' ) == 0 )
469	READ ( 11, '(A)', END=18 ) line
470	ENDDO
471	BACKSPACE ( 11 )
472
473	!
474	!-- Read namelist
475	READ ( 11, d3par, ERR = 17, END = 18 )
476
477	message_string = 'namelist d3par is deprecated and will be ' // &
478	'removed in near future. &Please use namelist ' // &
479	'runtime_parameters instead'
480	CALL message( 'parin', 'PA0487', 0, 1, 0, 6, 0 )
481
482	GOTO 18
483
484	17 BACKSPACE( 11 )
485	READ( 11 , '(A)') line
486	CALL parin_fail_message( 'd3par', line )
487
488	18 CONTINUE
489
490	!
491	!-- Check for module namelists and read them
492	CALL module_interface_parin
493
494	!
495	!-- If required, read control parameters from restart file (produced by
496	!-- a prior run). All PEs are reading from file created by PE0 (see
497	!-- check_open)
498	IF ( TRIM( initializing_actions ) == 'read_restart_data' ) THEN
499
500	CALL rrd_global
501	!
502	!-- Increment the run count
503	runnr = runnr + 1
504	!
505	!-- In case of a restart run, the number of user-defined profiles on
506	!-- the restart file (already stored in max_pr_user) has to match the
507	!-- one given for the current run. max_pr_user_tmp is calculated in
508	!-- user_parin and max_pr_user is read in via rrd_global.
509	IF ( max_pr_user /= max_pr_user_tmp ) THEN
510	WRITE( message_string, * ) 'the number of user-defined ', &
511	'profiles given in data_output_pr (', max_pr_user_tmp, &
512	') does not match the one ', &
513	'found in the restart file (', max_pr_user, ')'
514	CALL message( 'user_parin', 'UI0009', 1, 2, 0, 6, 0 )
515	ENDIF
516	ELSE
517	max_pr_user = max_pr_user_tmp
518	ENDIF
519	!
520	!-- Activate spinup
521	IF ( land_surface .OR. urban_surface ) THEN
522	IF ( spinup_time > 0.0_wp ) THEN
523	coupling_start_time = spinup_time
524	time_since_reference_point = simulated_time - coupling_start_time
525	IF ( spinup_pt_mean == 9999999.9_wp ) THEN
526	spinup_pt_mean = pt_surface
527	ENDIF
528	end_time = end_time + spinup_time
529	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
530	spinup = .TRUE.
531	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' &
532	.AND. time_since_reference_point > 0.0_wp ) THEN
533	data_output_during_spinup = .FALSE. !< required for correct ntdim calculation
534	!< in check_parameters for restart run
535	ENDIF
536	ENDIF
537	ENDIF
538
539	!
540	!-- In case of nested runs, explicitly set nesting boundary conditions.
541	!-- This will overwrite the user settings and basic defaults.
542	!-- bc_lr and bc_ns always need to be cyclic for vertical nesting.
543	IF ( nested_run ) THEN
544	IF ( nesting_mode == 'vertical' ) THEN
545	IF (bc_lr /= 'cyclic' .OR. bc_ns /= 'cyclic' ) THEN
546	WRITE ( message_string, *) 'bc_lr and bc_ns were set to ,', &
547	'cyclic for vertical nesting'
548	CALL message( 'parin', 'PA0428', 0, 0, 0, 6, 0 )
549	bc_lr = 'cyclic'
550	bc_ns = 'cyclic'
551	ENDIF
552	IF ( child_domain ) THEN
553	bc_uv_t = 'nested'
554	bc_pt_t = 'nested'
555	bc_q_t = 'nested'
556	bc_s_t = 'nested'
557	bc_cs_t = 'nested'
558	bc_p_t = 'neumann'
559	ENDIF
560	!
561	!-- For other nesting modes only set boundary conditions for
562	!-- nested domains.
563	ELSE
564	IF ( child_domain ) THEN
565	bc_lr = 'nested'
566	bc_ns = 'nested'
567	bc_uv_t = 'nested'
568	bc_pt_t = 'nested'
569	bc_q_t = 'nested'
570	bc_s_t = 'nested'
571	bc_cs_t = 'nested'
572	bc_p_t = 'neumann'
573	ENDIF
574	ENDIF
575	ENDIF
576	!
577	!-- Set boundary conditions also in case the model is offline-nested in
578	!-- larger-scale models.
579	IF ( nesting_offline ) THEN
580	bc_lr = 'nesting_offline'
581	bc_ns = 'nesting_offline'
582	bc_uv_t = 'nesting_offline'
583	bc_pt_t = 'nesting_offline'
584	bc_q_t = 'nesting_offline'
585	! bc_s_t = 'nesting_offline' ! scalar boundary condition is not clear yet
586	! bc_cs_t = 'nesting_offline' ! same for chemical species
587	bc_p_t = 'neumann'
588	ENDIF
589
590	!
591	!-- In case of nested runs, make sure that initializing_actions =
592	!-- 'set_constant_profiles' even though the constant-profiles
593	!-- initializations for the prognostic variables will be overwritten
594	!-- by pmci_child_initialize and pmci_parent_initialize. This is,
595	!-- however, important e.g. to make sure that diagnostic variables
596	!-- are set properly. An exception is made in case of restart runs and
597	!-- if user decides to do everything by its own.
598	IF ( child_domain .AND. .NOT. ( &
599	TRIM( initializing_actions ) == 'read_restart_data' .OR. &
600	TRIM( initializing_actions ) == 'set_constant_profiles' .OR. &
601	TRIM( initializing_actions ) == 'by_user' ) ) THEN
602	message_string = 'initializing_actions = ' // &
603	TRIM( initializing_actions ) // ' has been ' // &
604	'changed to set_constant_profiles in child ' // &
605	'domain.'
606	CALL message( 'parin', 'PA0492', 0, 0, 0, 6, 0 )
607
608	initializing_actions = 'set_constant_profiles'
609	ENDIF
610	!
611	!-- Check validity of lateral boundary conditions. This has to be done
612	!-- here because they are already used in init_pegrid and init_grid and
613	!-- therefore cannot be check in check_parameters
614	IF ( bc_lr /= 'cyclic' .AND. bc_lr /= 'dirichlet/radiation' .AND. &
615	bc_lr /= 'radiation/dirichlet' .AND. bc_lr /= 'nested' .AND. &
616	bc_lr /= 'nesting_offline' ) THEN
617	message_string = 'unknown boundary condition: bc_lr = "' // &
618	TRIM( bc_lr ) // '"'
619	CALL message( 'parin', 'PA0049', 1, 2, 0, 6, 0 )
620	ENDIF
621	IF ( bc_ns /= 'cyclic' .AND. bc_ns /= 'dirichlet/radiation' .AND. &
622	bc_ns /= 'radiation/dirichlet' .AND. bc_ns /= 'nested' .AND. &
623	bc_ns /= 'nesting_offline' ) THEN
624	message_string = 'unknown boundary condition: bc_ns = "' // &
625	TRIM( bc_ns ) // '"'
626	CALL message( 'parin', 'PA0050', 1, 2, 0, 6, 0 )
627	ENDIF
628	!
629	!-- Set internal variables used for speed optimization in if clauses
630	IF ( bc_lr /= 'cyclic' ) bc_lr_cyc = .FALSE.
631	IF ( bc_lr == 'dirichlet/radiation' ) bc_lr_dirrad = .TRUE.
632	IF ( bc_lr == 'radiation/dirichlet' ) bc_lr_raddir = .TRUE.
633	IF ( bc_ns /= 'cyclic' ) bc_ns_cyc = .FALSE.
634	IF ( bc_ns == 'dirichlet/radiation' ) bc_ns_dirrad = .TRUE.
635	IF ( bc_ns == 'radiation/dirichlet' ) bc_ns_raddir = .TRUE.
636	!
637	!-- Radiation-Dirichlet conditions are allowed along one of the horizontal directions only.
638	!-- In general, such conditions along x and y may work, but require a) some code changes
639	!-- (e.g. concerning allocation of c_u, c_v ... arrays), and b) a careful model setup by the
640	!-- user, in order to guarantee that there is a clearly defined outflow at two sides.
641	!-- Otherwise, the radiation condition may produce wrong results.
642	IF ( ( bc_lr_dirrad .OR. bc_lr_raddir ) .AND. ( bc_ns_dirrad .OR. bc_ns_raddir ) ) THEN
643	message_string = 'bc_lr = "' // TRIM( bc_lr ) // '" and bc_ns = "' // &
644	TRIM( bc_ns ) // '" are not allowed to be set at the same time'
645	CALL message( 'parin', 'PA0589', 1, 2, 0, 6, 0 )
646	ENDIF
647	!
648	!-- Check in case of initial run, if the grid point numbers are well
649	!-- defined and allocate some arrays which are already needed in
650	!-- init_pegrid or check_parameters. During restart jobs, these arrays
651	!-- will be allocated in rrd_global. All other arrays are allocated
652	!-- in init_3d_model.
653	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
654
655	IF ( nx <= 0 ) THEN
656	WRITE( message_string, * ) 'no value or wrong value given', &
657	' for nx: nx=', nx
658	CALL message( 'parin', 'PA0273', 1, 2, 0, 6, 0 )
659	ENDIF
660	IF ( ny <= 0 ) THEN
661	WRITE( message_string, * ) 'no value or wrong value given', &
662	' for ny: ny=', ny
663	CALL message( 'parin', 'PA0274', 1, 2, 0, 6, 0 )
664	ENDIF
665	IF ( nz <= 0 ) THEN
666	WRITE( message_string, * ) 'no value or wrong value given', &
667	' for nz: nz=', nz
668	CALL message( 'parin', 'PA0275', 1, 2, 0, 6, 0 )
669	ENDIF
670
671	!
672	!-- As a side condition, routine flow_statistics require at least 14
673	!-- vertical grid levels (they are used to store time-series data)
674	!> @todo Remove this restriction
675	IF ( nz < 14 ) THEN
676	WRITE( message_string, * ) 'nz >= 14 is required'
677	CALL message( 'parin', 'PA0362', 1, 2, 0, 6, 0 )
678	ENDIF
679
680	!
681	!-- ATTENTION: in case of changes to the following statement please
682	!-- also check the allocate statement in routine rrd_global
683	ALLOCATE( pt_init(0:nz+1), q_init(0:nz+1), s_init(0:nz+1), &
684	ref_state(0:nz+1), sa_init(0:nz+1), ug(0:nz+1), &
685	u_init(0:nz+1), v_init(0:nz+1), vg(0:nz+1), &
686	hom(0:nz+1,2,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa,0:statistic_regions), &
687	hom_sum(0:nz+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa,0:statistic_regions) )
688
689	hom = 0.0_wp
690
691	ENDIF
692
693	!
694	!-- NAMELIST-file is not needed anymore
695	CALL close_file( 11 )
696
697	ENDIF
698	#if defined( __parallel )
699	CALL MPI_BARRIER( MPI_COMM_WORLD, ierr )
700	#endif
701	ENDDO
702
703	CALL location_message( 'reading NAMELIST parameters from PARIN', 'finished' )
704
705	END SUBROUTINE parin

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