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init_3d_model.f90 @ 4715

Last change on this file since 4715 was 4680, checked in by gronemeier, 4 years ago

Add option to fix date and time of the simulation; renamed set_reference_date_time to init_date_time (palm_date_time_mod, init_3d_model, modules, parin)

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/palm/branches/chemistry/SOURCE/init_3d_model.f90	2047-3190,3218-3297
/palm/branches/rans/SOURCE/init_3d_model.f90	2078-3128
/palm/branches/resler/SOURCE/init_3d_model.f90	2023-4492
/palm/branches/salsa/SOURCE/init_3d_model.f90	2503-3581
/palm/branches/forwind/SOURCE/init_3d_model.f90	1564-1913
/palm/branches/mosaik_M2/init_3d_model.f90	2360-3471
/palm/branches/palm4u/SOURCE/init_3d_model.f90	2540-2692

File size: 85.0 KB

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1	!> @file init_3d_model.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 terms of the GNU General
6	! Public License as published by the Free Software Foundation, either version 3 of the License, or
7	! (at your option) any later version.
8	!
9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
10	! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
11	! Public License for more details.
12	!
13	! You should have received a copy of the GNU General Public License along with PALM. If not, see
14	! <http://www.gnu.org/licenses/>.
15	!
16	! Copyright 1997-2020 Leibniz Universitaet Hannover
17	!--------------------------------------------------------------------------------------------------!
18	!
19	! Current revisions:
20	! ------------------
21	!
22	!
23	! Former revisions:
24	! -----------------
25	! $Id: init_3d_model.f90 4680 2020-09-16 10:20:34Z eckhard $
26	! Add option to fix date or time of the simulation
27	!
28	! 4671 2020-09-09 20:27:58Z pavelkrc
29	! Implementation of downward facing USM and LSM surfaces
30	!
31	! 4648 2020-08-25 07:52:08Z raasch
32	! file re-formatted to follow the PALM coding standard
33	!
34	! 4548 2020-05-28 19:36:45Z suehring
35	! Bugfix, move call for lsf_forcing_surf after lsf_init is called
36	!
37	! 4514 2020-04-30 16:29:59Z suehring
38	! Add possibility to initialize surface sensible and latent heat fluxes via a static driver.
39	!
40	! 4493 2020-04-10 09:49:43Z pavelkrc
41	! Overwrite u_init, v_init, pt_init, q_init and s_init with hom for all cyclic_fill-cases, not only
42	! for turbulent_inflow = .TRUE.
43	!
44	! 4360 2020-01-07 11:25:50Z suehring
45	! Introduction of wall_flags_total_0, which currently sets bits based on static topography
46	! information used in wall_flags_static_0
47	!
48	! 4329 2019-12-10 15:46:36Z motisi
49	! Renamed wall_flags_0 to wall_flags_static_0
50	!
51	! 4286 2019-10-30 16:01:14Z resler
52	! implement new palm_date_time_mod
53	!
54	! 4223 2019-09-10 09:20:47Z gronemeier
55	! Deallocate temporary string array since it may be re-used to read different input data in other
56	! modules
57	!
58	! 4186 2019-08-23 16:06:14Z suehring
59	! Design change, use variables defined in netcdf_data_input_mod to read netcd variables rather than
60	! define local ones.
61	!
62	! 4185 2019-08-23 13:49:38Z oliver.maas
63	! For initializing_actions = ' cyclic_fill':
64	! Overwrite u_init, v_init, pt_init, q_init and s_init with the (temporally) and horizontally
65	! averaged vertical profiles from the end of the prerun, because these profiles shall be used as the
66	! basic state for the rayleigh damping and the pt_damping.
67	!
68	! 4182 2019-08-22 15:20:23Z scharf
69	! Corrected "Former revisions" section
70	!
71	! 4168 2019-08-16 13:50:17Z suehring
72	! Replace function get_topography_top_index by topo_top_ind
73	!
74	! 4151 2019-08-09 08:24:30Z suehring
75	! Add netcdf directive around input calls (fix for last commit)
76	!
77	! 4150 2019-08-08 20:00:47Z suehring
78	! Input of additional surface variables independent on land- or urban-surface model
79	!
80	! 4131 2019-08-02 11:06:18Z monakurppa
81	! Allocate sums and sums_l to allow profile output for salsa variables.
82	!
83	! 4130 2019-08-01 13:04:13Z suehring
84	! Effectively reduce 3D initialization to 1D initial profiles. This is because 3D initialization
85	! produces structures in the w-component that are correlated with the processor grid for some
86	! unknown reason
87	!
88	! 4090 2019-07-11 15:06:47Z Giersch
89	! Unused variables removed
90	!
91	! 4088 2019-07-11 13:57:56Z Giersch
92	! Pressure and density profile calculations revised using basic functions
93	!
94	! 4048 2019-06-21 21:00:21Z knoop
95	! Further modularization of particle code components
96	!
97	! 4017 2019-06-06 12:16:46Z schwenkel
98	! Convert most location messages to debug messages to reduce output in job logfile to a minimum
99	!
100	! unused variable removed
101	!
102	! 3937 2019-04-29 15:09:07Z suehring
103	! Move initialization of synthetic turbulence generator behind initialization of offline nesting.
104	! Remove call for stg_adjust, as this is now already done in stg_init.
105	!
106	! 3900 2019-04-16 15:17:43Z suehring
107	! Fix problem with LOD = 2 initialization
108	!
109	! 3885 2019-04-11 11:29:34Z kanani
110	! Changes related to global restructuring of location messages and introduction of additional debug
111	! messages
112	!
113	! 3849 2019-04-01 16:35:16Z knoop
114	! Move initialization of rmask before initializing user_init_arrays
115	!
116	! 3711 2019-01-31 13:44:26Z knoop
117	! Introduced module_interface_init_checks for post-init checks in modules
118	!
119	! 3700 2019-01-26 17:03:42Z knoop
120	! Some interface calls moved to module_interface + cleanup
121	!
122	! 3648 2019-01-02 16:35:46Z suehring
123	! Rename subroutines for surface-data output
124	!
125	! Revision 1.1 1998/03/09 16:22:22 raasch
126	! Initial revision
127	!
128	!
129	! Description:
130	! ------------
131	!> Allocation of arrays and initialization of the 3D model via
132	!> a) pre-run the 1D model
133	!> or
134	!> b) pre-set constant linear profiles
135	!> or
136	!> c) read values of a previous run
137	!--------------------------------------------------------------------------------------------------!
138	SUBROUTINE init_3d_model
139
140
141	USE advec_ws
142
143	USE arrays_3d
144
145	USE basic_constants_and_equations_mod, &
146	ONLY: barometric_formula, c_p, exner_function, exner_function_invers, g, &
147	ideal_gas_law_rho, ideal_gas_law_rho_pt, l_v, pi
148
149	USE bulk_cloud_model_mod, &
150	ONLY: bulk_cloud_model
151
152	USE chem_modules, &
153	ONLY: max_pr_cs ! ToDo: this dependency needs to be removed cause it is ugly #new_dom
154
155	USE control_parameters
156
157	USE grid_variables, &
158	ONLY: dx, dy, ddx2_mg, ddy2_mg
159
160	USE indices
161
162	USE kinds
163
164	USE lsf_nudging_mod, &
165	ONLY: ls_forcing_surf
166
167	USE model_1d_mod, &
168	ONLY: init_1d_model, l1d, u1d, v1d
169
170	USE module_interface, &
171	ONLY: module_interface_init_arrays, &
172	module_interface_init, &
173	module_interface_init_checks
174
175	USE multi_agent_system_mod, &
176	ONLY: agents_active, mas_init
177
178	USE netcdf_interface, &
179	ONLY: dots_max
180
181	USE netcdf_data_input_mod, &
182	ONLY: char_fill, &
183	check_existence, &
184	close_input_file, &
185	get_attribute, &
186	get_variable, &
187	init_3d, &
188	input_pids_static, &
189	inquire_num_variables, &
190	inquire_variable_names, &
191	input_file_static, &
192	netcdf_data_input_init_3d, &
193	num_var_pids, &
194	open_read_file, &
195	pids_id, &
196	real_2d, &
197	vars_pids
198
199	USE nesting_offl_mod, &
200	ONLY: nesting_offl_init
201
202	USE palm_date_time_mod, &
203	ONLY: init_date_time
204
205	USE pegrid
206
207	#if defined( __parallel )
208	USE pmc_interface, &
209	ONLY: nested_run
210	#endif
211
212	USE random_function_mod
213
214	USE random_generator_parallel, &
215	ONLY: init_parallel_random_generator
216
217	USE read_restart_data_mod, &
218	ONLY: rrd_local, rrd_read_parts_of_global
219
220	USE statistics, &
221	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, statistic_regions, sums, &
222	sums_divnew_l, sums_divold_l, sums_l, sums_l_l, sums_wsts_bc_l, ts_value, &
223	weight_pres, weight_substep
224
225	USE synthetic_turbulence_generator_mod, &
226	ONLY: stg_init, use_syn_turb_gen
227
228	USE surface_layer_fluxes_mod, &
229	ONLY: init_surface_layer_fluxes
230
231	USE surface_mod, &
232	ONLY : init_single_surface_properties, &
233	init_surface_arrays, &
234	init_surfaces, &
235	surf_def_h, &
236	surf_def_v, &
237	surf_lsm_h, &
238	surf_usm_h
239
240	#if defined( _OPENACC )
241	USE surface_mod, &
242	ONLY : bc_h
243	#endif
244
245	USE surface_data_output_mod, &
246	ONLY: surface_data_output_init
247
248	USE transpose_indices
249
250
251	IMPLICIT NONE
252
253	INTEGER(iwp) :: i !< grid index in x direction
254	INTEGER(iwp) :: ind_array(1) !< dummy used to determine start index for external pressure forcing
255	INTEGER(iwp) :: j !< grid index in y direction
256	INTEGER(iwp) :: k !< grid index in z direction
257	INTEGER(iwp) :: k_surf !< surface level index
258	INTEGER(iwp) :: l !< running index over surface orientation
259	INTEGER(iwp) :: m !< index of surface element in surface data type
260	INTEGER(iwp) :: nz_u_shift !< topography-top index on u-grid, used to vertically shift initial profiles
261	INTEGER(iwp) :: nz_v_shift !< topography-top index on v-grid, used to vertically shift initial profiles
262	INTEGER(iwp) :: nz_w_shift !< topography-top index on w-grid, used to vertically shift initial profiles
263	INTEGER(iwp) :: nz_s_shift !< topography-top index on scalar-grid, used to vertically shift initial profiles
264	INTEGER(iwp) :: nz_u_shift_l !< topography-top index on u-grid, used to vertically shift initial profiles
265	INTEGER(iwp) :: nz_v_shift_l !< topography-top index on v-grid, used to vertically shift initial profiles
266	INTEGER(iwp) :: nz_w_shift_l !< topography-top index on w-grid, used to vertically shift initial profiles
267	INTEGER(iwp) :: nz_s_shift_l !< topography-top index on scalar-grid, used to vertically shift initial profiles
268	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
269	INTEGER(iwp) :: sr !< index of statistic region
270
271	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !< toal number of horizontal grid points in statistical region on
272	!< subdomain
273
274	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !< number of horizontal non-wall bounded grid points on
275	!< subdomain
276	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !< number of horizontal non-topography grid points on
277	!< subdomain
278
279	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
280	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
281
282	REAL(wp), DIMENSION(:), ALLOCATABLE :: init_l !< dummy array used for averaging 3D data to obtain
283	!< inital profiles
284	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !< mean surface level height on subdomain
285	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !< total number of non-topography grid points on subdomain
286	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !< total number of non-topography grid points
287	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
288
289	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !< area of lateral and top model domain surface on local subdomain
290	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !< initial volume flow into model domain
291
292	TYPE(real_2d) :: tmp_2d !< temporary variable to input additional surface-data from static file
293
294	CALL location_message( 'model initialization', 'start' )
295	!
296	!-- Set reference date-time
297	CALL init_date_time( date_time_str=origin_date_time, &
298	use_fixed_date=use_fixed_date, &
299	use_fixed_time=use_fixed_time )
300
301	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'start' )
302	!
303	!-- Allocate arrays
304	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
305	mean_surface_level_height_l(0:statistic_regions), &
306	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
307	ngp_3d(0:statistic_regions), &
308	ngp_3d_inner(0:statistic_regions), &
309	ngp_3d_inner_l(0:statistic_regions), &
310	ngp_3d_inner_tmp(0:statistic_regions), &
311	sums_divnew_l(0:statistic_regions), &
312	sums_divold_l(0:statistic_regions) )
313	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
314	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
315	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
316	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
317	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
318	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
319	sums(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa), &
320	sums_l(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa,0:threads_per_task-1), &
321	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
322	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions) )
323	ALLOCATE( ts_value(dots_max,0:statistic_regions) )
324	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
325
326	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
327	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
328	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
329
330	ALLOCATE( pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
331	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
332	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
333	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
334	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
335	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
336	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
337	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
338	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
339	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
340	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
341	IF ( .NOT. neutral ) THEN
342	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
343	ENDIF
344	!
345	!-- Pre-set masks for regional statistics. Default is the total model domain.
346	!-- Ghost points are excluded because counting values at the ghost boundaries would bias the
347	!-- statistics.
348	rmask = 1.0_wp
349	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
350	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
351	!
352	!-- Following array is required for perturbation pressure within the iterative pressure solvers. For
353	!-- the multistep schemes (Runge-Kutta), array p holds the weighted average of the substeps and
354	!-- cannot be used in the Poisson solver.
355	IF ( psolver == 'sor' ) THEN
356	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
357	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
358	!
359	!-- For performance reasons, multigrid is using one ghost layer only
360	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
361	ENDIF
362
363	!
364	!-- Array for storing constant coeffficients of the tridiagonal solver
365	IF ( psolver == 'poisfft' ) THEN
366	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
367	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
368	ENDIF
369
370	IF ( humidity ) THEN
371	!
372	!-- 3D-humidity
373	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
374	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
375	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
376	vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
377	ENDIF
378
379	IF ( passive_scalar ) THEN
380
381	!
382	!-- 3D scalar arrays
383	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
384	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
385	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
386
387	ENDIF
388
389	!
390	!-- Allocate and set 1d-profiles for Stokes drift velocity. It may be set to non-zero values later
391	!-- in ocean_init.
392	ALLOCATE( u_stokes_zu(nzb:nzt+1), u_stokes_zw(nzb:nzt+1), &
393	v_stokes_zu(nzb:nzt+1), v_stokes_zw(nzb:nzt+1) )
394	u_stokes_zu(:) = 0.0_wp
395	u_stokes_zw(:) = 0.0_wp
396	v_stokes_zu(:) = 0.0_wp
397	v_stokes_zw(:) = 0.0_wp
398
399	!
400	!-- Allocation of anelastic and Boussinesq approximation specific arrays
401	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
402	ALLOCATE( rho_air(nzb:nzt+1) )
403	ALLOCATE( rho_air_zw(nzb:nzt+1) )
404	ALLOCATE( drho_air(nzb:nzt+1) )
405	ALLOCATE( drho_air_zw(nzb:nzt+1) )
406	!
407	!-- Density profile calculation for anelastic and Boussinesq approximation.
408	!-- In case of a Boussinesq approximation, a constant density is calculated mainly for output
409	!-- purposes. This density does not need to be considered in the model's system of equations.
410	IF ( TRIM( approximation ) == 'anelastic' ) THEN
411	DO k = nzb, nzt+1
412	p_hydrostatic(k) = barometric_formula(zu(k), pt_surface * &
413	exner_function(surface_pressure * 100.0_wp), &
414	surface_pressure * 100.0_wp)
415
416	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(k))
417	ENDDO
418
419	DO k = nzb, nzt
420	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
421	ENDDO
422
423	rho_air_zw(nzt+1) = rho_air_zw(nzt) + 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
424
425	ELSE
426	DO k = nzb, nzt+1
427	p_hydrostatic(k) = barometric_formula(zu(nzb), pt_surface * &
428	exner_function(surface_pressure * 100.0_wp), &
429	surface_pressure * 100.0_wp)
430
431	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(nzb))
432	ENDDO
433
434	DO k = nzb, nzt
435	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
436	ENDDO
437
438	rho_air_zw(nzt+1) = rho_air_zw(nzt) + 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
439
440	ENDIF
441	!
442	!-- Compute the inverse density array in order to avoid expencive divisions
443	drho_air = 1.0_wp / rho_air
444	drho_air_zw = 1.0_wp / rho_air_zw
445
446	!
447	!-- Allocation of flux conversion arrays
448	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
449	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
450	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
451	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
452	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
453	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
454
455	!
456	!-- Calculate flux conversion factors according to approximation and in-/output mode
457	DO k = nzb, nzt+1
458
459	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
460	heatflux_input_conversion(k) = rho_air_zw(k)
461	waterflux_input_conversion(k) = rho_air_zw(k)
462	momentumflux_input_conversion(k) = rho_air_zw(k)
463	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
464	heatflux_input_conversion(k) = 1.0_wp / c_p
465	waterflux_input_conversion(k) = 1.0_wp / l_v
466	momentumflux_input_conversion(k) = 1.0_wp
467	ENDIF
468
469	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
470	heatflux_output_conversion(k) = drho_air_zw(k)
471	waterflux_output_conversion(k) = drho_air_zw(k)
472	momentumflux_output_conversion(k) = drho_air_zw(k)
473	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
474	heatflux_output_conversion(k) = c_p
475	waterflux_output_conversion(k) = l_v
476	momentumflux_output_conversion(k) = 1.0_wp
477	ENDIF
478
479	IF ( .NOT. humidity ) THEN
480	waterflux_input_conversion(k) = 1.0_wp
481	waterflux_output_conversion(k) = 1.0_wp
482	ENDIF
483
484	ENDDO
485
486	!
487	!-- In case of multigrid method, compute grid lengths and grid factors for the grid levels with
488	!-- respective density on each grid.
489	IF ( psolver(1:9) == 'multigrid' ) THEN
490
491	ALLOCATE( ddx2_mg(maximum_grid_level) )
492	ALLOCATE( ddy2_mg(maximum_grid_level) )
493	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
494	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
495	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
496	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
497	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
498	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
499	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
500
501	dzu_mg(:,maximum_grid_level) = dzu
502	rho_air_mg(:,maximum_grid_level) = rho_air
503	!
504	!-- Next line to ensure an equally spaced grid.
505	dzu_mg(1,maximum_grid_level) = dzu(2)
506	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + (rho_air(nzb) - rho_air(nzb+1))
507
508	dzw_mg(:,maximum_grid_level) = dzw
509	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
510	nzt_l = nzt
511	DO l = maximum_grid_level-1, 1, -1
512	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
513	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
514	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + ( rho_air_mg(nzb,l+1) - &
515	rho_air_mg(nzb+1,l+1) )
516	rho_air_zw_mg(nzb,l) = rho_air_zw_mg(nzb,l+1) + ( rho_air_zw_mg(nzb,l+1) - &
517	rho_air_zw_mg(nzb+1,l+1) )
518	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
519	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
520	nzt_l = nzt_l / 2
521	DO k = 2, nzt_l+1
522	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
523	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
524	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
525	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
526	ENDDO
527	ENDDO
528
529	nzt_l = nzt
530	dx_l = dx
531	dy_l = dy
532	DO l = maximum_grid_level, 1, -1
533	ddx2_mg(l) = 1.0_wp / dx_l**2
534	ddy2_mg(l) = 1.0_wp / dy_l**2
535	DO k = nzb+1, nzt_l
536	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
537	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
538	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
539	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
540	ENDDO
541	nzt_l = nzt_l / 2
542	dx_l = dx_l * 2.0_wp
543	dy_l = dy_l * 2.0_wp
544	ENDDO
545
546	ENDIF
547
548	!
549	!-- 1D-array for large scale subsidence velocity
550	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
551	ALLOCATE ( w_subs(nzb:nzt+1) )
552	w_subs = 0.0_wp
553	ENDIF
554
555	!
556	!-- Arrays to store velocity data from t-dt and the phase speeds which are needed for radiation
557	!-- boundary conditions.
558	IF ( bc_radiation_l ) THEN
559	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
560	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
561	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
562	ENDIF
563	IF ( bc_radiation_r ) THEN
564	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
565	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
566	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
567	ENDIF
568	IF ( bc_radiation_l .OR. bc_radiation_r ) THEN
569	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), c_w(nzb:nzt+1,nysg:nyng) )
570	ENDIF
571	IF ( bc_radiation_s ) THEN
572	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
573	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
574	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
575	ENDIF
576	IF ( bc_radiation_n ) THEN
577	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
578	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
579	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
580	ENDIF
581	IF ( bc_radiation_s .OR. bc_radiation_n ) THEN
582	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), c_w(nzb:nzt+1,nxlg:nxrg) )
583	ENDIF
584	IF ( bc_radiation_l .OR. bc_radiation_r .OR. bc_radiation_s .OR. bc_radiation_n ) THEN
585	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
586	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
587	ENDIF
588
589	!
590	!-- Initial assignment of the pointers
591	IF ( .NOT. neutral ) THEN
592	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
593	ELSE
594	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
595	ENDIF
596	u => u_1; u_p => u_2; tu_m => u_3
597	v => v_1; v_p => v_2; tv_m => v_3
598	w => w_1; w_p => w_2; tw_m => w_3
599
600	IF ( humidity ) THEN
601	q => q_1; q_p => q_2; tq_m => q_3
602	vpt => vpt_1
603	ENDIF
604
605	IF ( passive_scalar ) THEN
606	s => s_1; s_p => s_2; ts_m => s_3
607	ENDIF
608
609	!
610	!-- Initialize surface arrays
611	CALL init_surface_arrays
612	!
613	!-- Allocate arrays for other modules
614	CALL module_interface_init_arrays
615
616
617	!
618	!-- Allocate arrays containing the RK coefficient for calculation of perturbation pressure and
619	!-- turbulent fluxes. At this point values are set for pressure calculation during initialization
620	!-- (where no timestep is done). Further below the values needed within the timestep scheme will be
621	!-- set.
622	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
623	weight_pres(1:intermediate_timestep_count_max) )
624	weight_substep = 1.0_wp
625	weight_pres = 1.0_wp
626	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
627
628	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'end' )
629
630	!
631	!-- Initialize time series
632	ts_value = 0.0_wp
633
634	!
635	!-- Initialize local summation arrays for routine flow_statistics.
636	!-- This is necessary because they may not yet have been initialized when they are called from
637	!-- flow_statistics (or - depending on the chosen model run - are never initialized)
638	sums_divnew_l = 0.0_wp
639	sums_divold_l = 0.0_wp
640	sums_l_l = 0.0_wp
641	sums_wsts_bc_l = 0.0_wp
642
643	!
644	!-- Initialize model variables
645	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
646	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
647	!
648	!-- Initialization with provided input data derived from larger-scale model
649	IF ( INDEX( initializing_actions, 'inifor' ) /= 0 ) THEN
650	IF ( debug_output ) CALL debug_message( 'initializing with INIFOR', 'start' )
651	!
652	!-- Read initial 1D profiles or 3D data from NetCDF file, depending on the provided
653	!-- level-of-detail.
654	!-- At the moment, only u, v, w, pt and q are provided.
655	CALL netcdf_data_input_init_3d
656	!
657	!-- Please note, Inifor provides data from nzb+1 to nzt.
658	!-- Bottom and top boundary conditions for Inifor profiles are already set (just after
659	!-- reading), so that this is not necessary here.
660	!-- Depending on the provided level-of-detail, initial Inifor data is either stored on data
661	!-- type (lod=1), or directly on 3D arrays (lod=2).
662	!-- In order to obtain also initial profiles in case of lod=2 (which is required for e.g.
663	!-- damping), average over 3D data.
664	IF( init_3d%lod_u == 1 ) THEN
665	u_init = init_3d%u_init
666	ELSEIF( init_3d%lod_u == 2 ) THEN
667	ALLOCATE( init_l(nzb:nzt+1) )
668	DO k = nzb, nzt+1
669	init_l(k) = SUM( u(k,nys:nyn,nxl:nxr) )
670	ENDDO
671	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
672
673	#if defined( __parallel )
674	CALL MPI_ALLREDUCE( init_l, u_init, nzt+1-nzb+1, MPI_REAL, MPI_SUM, comm2d, ierr )
675	#else
676	u_init = init_l
677	#endif
678	DEALLOCATE( init_l )
679
680	ENDIF
681
682	IF( init_3d%lod_v == 1 ) THEN
683	v_init = init_3d%v_init
684	ELSEIF( init_3d%lod_v == 2 ) THEN
685	ALLOCATE( init_l(nzb:nzt+1) )
686	DO k = nzb, nzt+1
687	init_l(k) = SUM( v(k,nys:nyn,nxl:nxr) )
688	ENDDO
689	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
690
691	#if defined( __parallel )
692	CALL MPI_ALLREDUCE( init_l, v_init, nzt+1-nzb+1, MPI_REAL, MPI_SUM, comm2d, ierr )
693	#else
694	v_init = init_l
695	#endif
696	DEALLOCATE( init_l )
697	ENDIF
698	IF( .NOT. neutral ) THEN
699	IF( init_3d%lod_pt == 1 ) THEN
700	pt_init = init_3d%pt_init
701	ELSEIF( init_3d%lod_pt == 2 ) THEN
702	ALLOCATE( init_l(nzb:nzt+1) )
703	DO k = nzb, nzt+1
704	init_l(k) = SUM( pt(k,nys:nyn,nxl:nxr) )
705	ENDDO
706	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
707
708	#if defined( __parallel )
709	CALL MPI_ALLREDUCE( init_l, pt_init, nzt+1-nzb+1, MPI_REAL, MPI_SUM, comm2d, ierr )
710	#else
711	pt_init = init_l
712	#endif
713	DEALLOCATE( init_l )
714	ENDIF
715	ENDIF
716
717
718	IF( humidity ) THEN
719	IF( init_3d%lod_q == 1 ) THEN
720	q_init = init_3d%q_init
721	ELSEIF( init_3d%lod_q == 2 ) THEN
722	ALLOCATE( init_l(nzb:nzt+1) )
723	DO k = nzb, nzt+1
724	init_l(k) = SUM( q(k,nys:nyn,nxl:nxr) )
725	ENDDO
726	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
727
728	#if defined( __parallel )
729	CALL MPI_ALLREDUCE( init_l, q_init, nzt+1-nzb+1, MPI_REAL, MPI_SUM, comm2d, ierr )
730	#else
731	q_init = init_l
732	#endif
733	DEALLOCATE( init_l )
734	ENDIF
735	ENDIF
736
737	!
738	!-- Write initial profiles onto 3D arrays.
739	!-- Work-around, 3D initialization of u,v,w creates artificial structures which correlate with
740	!-- the processor grid. The reason for this is still unknown. To work-around this, 3D
741	!-- initialization will be effectively reduce to a 1D initialization where no such artificial
742	!-- structures appear.
743	DO i = nxlg, nxrg
744	DO j = nysg, nyng
745	IF( init_3d%lod_u == 1 .OR. init_3d%lod_u == 2 ) u(:,j,i) = u_init(:)
746	IF( init_3d%lod_v == 1 .OR. init_3d%lod_u == 2 ) v(:,j,i) = v_init(:)
747	IF( .NOT. neutral .AND. ( init_3d%lod_pt == 1 .OR. init_3d%lod_pt == 2 ) ) &
748	pt(:,j,i) = pt_init(:)
749	IF( humidity .AND. ( init_3d%lod_q == 1 .OR. init_3d%lod_q == 2 ) ) &
750	q(:,j,i) = q_init(:)
751	ENDDO
752	ENDDO
753	!
754	!-- Set geostrophic wind components.
755	IF ( init_3d%from_file_ug ) THEN
756	ug(:) = init_3d%ug_init(:)
757	ENDIF
758	IF ( init_3d%from_file_vg ) THEN
759	vg(:) = init_3d%vg_init(:)
760	ENDIF
761	!
762	!-- Set bottom and top boundary condition for geostrophic wind
763	ug(nzt+1) = ug(nzt)
764	vg(nzt+1) = vg(nzt)
765	ug(nzb) = ug(nzb+1)
766	vg(nzb) = vg(nzb+1)
767	!
768	!-- Set inital w to 0
769	w = 0.0_wp
770
771	IF ( passive_scalar ) THEN
772	DO i = nxlg, nxrg
773	DO j = nysg, nyng
774	s(:,j,i) = s_init
775	ENDDO
776	ENDDO
777	ENDIF
778
779	!
780	!-- Set velocity components at non-atmospheric / oceanic grid points to zero.
781	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
782	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
783	w = MERGE( w, 0.0_wp, BTEST( wall_flags_total_0, 3 ) )
784	!
785	!-- Initialize surface variables, e.g. friction velocity, momentum fluxes, etc.
786	CALL init_surfaces
787
788	IF ( debug_output ) CALL debug_message( 'initializing with INIFOR', 'end' )
789	!
790	!-- Initialization via computed 1D-model profiles
791	ELSEIF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
792
793	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'start' )
794	!
795	!-- Use solutions of the 1D model as initial profiles,
796	!-- start 1D model
797	CALL init_1d_model
798	!
799	!-- Transfer initial profiles to the arrays of the 3D model
800	DO i = nxlg, nxrg
801	DO j = nysg, nyng
802	pt(:,j,i) = pt_init
803	u(:,j,i) = u1d
804	v(:,j,i) = v1d
805	ENDDO
806	ENDDO
807
808	IF ( humidity ) THEN
809	DO i = nxlg, nxrg
810	DO j = nysg, nyng
811	q(:,j,i) = q_init
812	ENDDO
813	ENDDO
814	ENDIF
815
816	IF ( passive_scalar ) THEN
817	DO i = nxlg, nxrg
818	DO j = nysg, nyng
819	s(:,j,i) = s_init
820	ENDDO
821	ENDDO
822	ENDIF
823	!
824	!-- Store initial profiles for output purposes etc.
825	IF ( .NOT. constant_diffusion ) THEN
826	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
827	ENDIF
828	!
829	!-- Set velocities back to zero
830	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
831	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
832	!
833	!-- WARNING: The extra boundary conditions set after running the 1D model impose an error on
834	!-- -------- the divergence one layer below the topography; need to correct later
835	!-- ATTENTION: Provisional correction for Piacsek & Williams advection scheme: keep u and v
836	!-- ---------- zero one layer below the topography.
837	IF ( ibc_uv_b == 1 ) THEN
838	!
839	!-- Neumann condition
840	DO i = nxl-1, nxr+1
841	DO j = nys-1, nyn+1
842	u(nzb,j,i) = u(nzb+1,j,i)
843	v(nzb,j,i) = v(nzb+1,j,i)
844	ENDDO
845	ENDDO
846
847	ENDIF
848	!
849	!-- Initialize surface variables, e.g. friction velocity, momentum fluxes, etc.
850	CALL init_surfaces
851
852	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'end' )
853
854	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) THEN
855
856	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'start' )
857
858	!
859	!-- Use constructed initial profiles (velocity constant with height, temperature profile with
860	!-- constant gradient)
861	DO i = nxlg, nxrg
862	DO j = nysg, nyng
863	pt(:,j,i) = pt_init
864	u(:,j,i) = u_init
865	v(:,j,i) = v_init
866	ENDDO
867	ENDDO
868	!
869	!-- Mask topography
870	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
871	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
872	!
873	!-- Set initial horizontal velocities at the lowest computational grid levels to zero in order
874	!-- to avoid too small time steps caused by the diffusion limit in the initial phase of a run
875	!-- (at k=1, dz/2 occurs in the limiting formula!).
876	!-- Please note, in case land- or urban-surface model is used and a spinup is applied, masking
877	!-- the lowest computational level is not possible as MOST as well as energy-balance
878	!-- parametrizations will not work with zero wind velocity.
879	IF ( ibc_uv_b /= 1 .AND. .NOT. spinup ) THEN
880	DO i = nxlg, nxrg
881	DO j = nysg, nyng
882	DO k = nzb, nzt
883	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 20 ) )
884	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 21 ) )
885	ENDDO
886	ENDDO
887	ENDDO
888	ENDIF
889
890	IF ( humidity ) THEN
891	DO i = nxlg, nxrg
892	DO j = nysg, nyng
893	q(:,j,i) = q_init
894	ENDDO
895	ENDDO
896	ENDIF
897
898	IF ( passive_scalar ) THEN
899	DO i = nxlg, nxrg
900	DO j = nysg, nyng
901	s(:,j,i) = s_init
902	ENDDO
903	ENDDO
904	ENDIF
905
906	!
907	!-- Compute initial temperature field and other constants used in case of a sloping surface.
908	IF ( sloping_surface ) CALL init_slope
909	!
910	!-- Initialize surface variables, e.g. friction velocity, momentum fluxes, etc.
911	CALL init_surfaces
912
913	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'end' )
914
915	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) THEN
916
917	IF ( debug_output ) CALL debug_message( 'initializing by user', 'start' )
918	!
919	!-- Pre-initialize surface variables, i.e. setting start- and end-indices at each
920	!-- (j,i)-location. Please note, this does not supersede user-defined initialization of
921	!-- surface quantities.
922	CALL init_surfaces
923	!
924	!-- Initialization will completely be done by the user
925	CALL user_init_3d_model
926
927	IF ( debug_output ) CALL debug_message( 'initializing by user', 'end' )
928
929	ENDIF
930
931	IF ( debug_output ) THEN
932	CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'start' )
933	ENDIF
934
935	!
936	!-- Bottom boundary
937	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
938	u(nzb,:,:) = 0.0_wp
939	v(nzb,:,:) = 0.0_wp
940	ENDIF
941
942	!
943	!-- Apply channel flow boundary condition
944	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
945	u(nzt+1,:,:) = 0.0_wp
946	v(nzt+1,:,:) = 0.0_wp
947	ENDIF
948
949	!
950	!-- Calculate virtual potential temperature
951	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
952
953	!
954	!-- Store initial profiles for output purposes etc.. Please note, in case of initialization of u,
955	!-- v, w, pt, and q via output data derived from larger scale models, data will not be
956	!-- horizontally homogeneous. Actually, a mean profile should be calculated before.
957	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
958	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
959	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
960	hom(nzb,1,5,:) = 0.0_wp
961	hom(nzb,1,6,:) = 0.0_wp
962	ENDIF
963	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
964
965	IF ( humidity ) THEN
966	!
967	!-- Store initial profile of total water content, virtual potential temperature
968	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
969	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
970	!
971	!-- Store initial profile of mixing ratio and potential temperature
972	IF ( bulk_cloud_model .OR. cloud_droplets ) THEN
973	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
974	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
975	ENDIF
976	ENDIF
977
978	!
979	!-- Store initial scalar profile
980	IF ( passive_scalar ) THEN
981	hom(:,1,121,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
982	ENDIF
983
984	!
985	!-- Initialize the random number generators (from numerical recipes)
986	CALL random_function_ini
987
988	IF ( random_generator == 'random-parallel' ) THEN
989	CALL init_parallel_random_generator( nx, nys, nyn, nxl, nxr )
990	ENDIF
991	!
992	!-- Set the reference state to be used in the buoyancy terms (for ocean runs the reference state
993	!-- will be set (overwritten) in init_ocean).
994	IF ( use_single_reference_value ) THEN
995	IF ( .NOT. humidity ) THEN
996	ref_state(:) = pt_reference
997	ELSE
998	ref_state(:) = vpt_reference
999	ENDIF
1000	ELSE
1001	IF ( .NOT. humidity ) THEN
1002	ref_state(:) = pt_init(:)
1003	ELSE
1004	ref_state(:) = vpt(:,nys,nxl)
1005	ENDIF
1006	ENDIF
1007
1008	!
1009	!-- For the moment, vertical velocity is zero
1010	w = 0.0_wp
1011
1012	!
1013	!-- Initialize array sums (must be defined in first call of pres)
1014	sums = 0.0_wp
1015
1016	!
1017	!-- In case of iterative solvers, p must get an initial value
1018	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1019	!
1020	!-- Impose vortex with vertical axis on the initial velocity profile
1021	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1022	CALL init_rankine
1023	ENDIF
1024
1025	!
1026	!-- Impose temperature anomaly (advection test only) or warm air bubble close to surface.
1027	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 .OR. &
1028	INDEX( initializing_actions, 'initialize_bubble' ) /= 0 ) THEN
1029	CALL init_pt_anomaly
1030	ENDIF
1031
1032	!
1033	!-- If required, change the surface temperature at the start of the 3D run
1034	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1035	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1036	ENDIF
1037
1038	!
1039	!-- If required, change the surface humidity/scalar at the start of the 3D
1040	!-- run
1041	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
1042	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1043
1044	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
1045	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
1046
1047
1048	!
1049	!-- Initialize old and new time levels.
1050	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1051	pt_p = pt; u_p = u; v_p = v; w_p = w
1052
1053	IF ( humidity ) THEN
1054	tq_m = 0.0_wp
1055	q_p = q
1056	ENDIF
1057
1058	IF ( passive_scalar ) THEN
1059	ts_m = 0.0_wp
1060	s_p = s
1061	ENDIF
1062
1063	IF ( debug_output ) THEN
1064	CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'end' )
1065	ENDIF
1066
1067	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1068	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1069	THEN
1070
1071	IF ( debug_output ) THEN
1072	CALL debug_message( 'initializing in case of restart / cyclic_fill', 'start' )
1073	ENDIF
1074	!
1075	!-- Initialize surface elements and its attributes, e.g. heat- and momentumfluxes, roughness,
1076	!-- scaling parameters. As number of surface elements might be different between runs, e.g. in
1077	!-- case of cyclic fill, and not all surface elements are read, surface elements need to be
1078	!-- initialized before.
1079	!-- Please note, in case of cyclic fill, surfaces should be initialized after restart data is
1080	!-- read, else, individual settings of surface parameters will be overwritten from data of
1081	!-- precursor run, hence, init_surfaces is called a second time after reading the restart data.
1082	CALL init_surfaces
1083	!
1084	!-- When reading data for cyclic fill of 3D prerun data files, read some of the global variables
1085	!-- from the restart file which are required for initializing the inflow
1086	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1087
1088	DO i = 0, io_blocks-1
1089	IF ( i == io_group ) THEN
1090	CALL rrd_read_parts_of_global
1091	ENDIF
1092	#if defined( __parallel )
1093	CALL MPI_BARRIER( comm2d, ierr )
1094	#endif
1095	ENDDO
1096
1097	ENDIF
1098
1099	!
1100	!-- Read processor specific binary data from restart file
1101	DO i = 0, io_blocks-1
1102	IF ( i == io_group ) THEN
1103	CALL rrd_local
1104	ENDIF
1105	#if defined( __parallel )
1106	CALL MPI_BARRIER( comm2d, ierr )
1107	#endif
1108	ENDDO
1109
1110
1111	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1112
1113	!
1114	!-- In case of cyclic fill, call init_surfaces a second time, so that surface properties such
1115	!-- as heat fluxes are initialized as prescribed.
1116	CALL init_surfaces
1117
1118	!
1119	!-- Overwrite u_init, v_init, pt_init, q_init and s_init with the horizontally mean (hom)
1120	!-- vertical profiles from the end of the prerun, because these profiles shall be used as the
1121	!-- reference state for the rayleigh damping and the pt_damping. This is especially important
1122	!-- for the use of large_scale_subsidence, because the reference temperature in the free
1123	!-- atmosphere changes in time.
1124	u_init(:) = hom_sum(:,1,0)
1125	v_init(:) = hom_sum(:,2,0)
1126	pt_init(:) = hom_sum(:,4,0)
1127	IF ( humidity ) q_init(:) = hom_sum(:,41,0)
1128	IF ( passive_scalar ) s_init(:) = hom_sum(:,115,0)
1129	ENDIF
1130	!
1131	!-- In case of complex terrain and cyclic fill method as initialization, shift initial data in
1132	!-- the vertical direction for each point in the x-y-plane depending on local surface height.
1133	IF ( complex_terrain .AND. TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1134	DO i = nxlg, nxrg
1135	DO j = nysg, nyng
1136	nz_u_shift = topo_top_ind(j,i,1)
1137	nz_v_shift = topo_top_ind(j,i,2)
1138	nz_w_shift = topo_top_ind(j,i,3)
1139	nz_s_shift = topo_top_ind(j,i,0)
1140
1141	u(nz_u_shift:nzt+1,j,i) = u(0:nzt+1-nz_u_shift,j,i)
1142
1143	v(nz_v_shift:nzt+1,j,i) = v(0:nzt+1-nz_v_shift,j,i)
1144
1145	w(nz_w_shift:nzt+1,j,i) = w(0:nzt+1-nz_w_shift,j,i)
1146
1147	p(nz_s_shift:nzt+1,j,i) = p(0:nzt+1-nz_s_shift,j,i)
1148	pt(nz_s_shift:nzt+1,j,i) = pt(0:nzt+1-nz_s_shift,j,i)
1149	ENDDO
1150	ENDDO
1151	ENDIF
1152	!
1153	!-- Initialization of the turbulence recycling method
1154	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. turbulent_inflow ) THEN
1155	!
1156	!-- First store the profiles to be used at the inflow.
1157	!-- These profiles are the (temporally) and horizontally averaged vertical profiles from the
1158	!-- prerun. Alternatively, prescribed profiles for u,v-components can be used.
1159	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,1:num_mean_inflow_profiles) )
1160
1161	IF ( use_prescribed_profile_data ) THEN
1162	mean_inflow_profiles(:,1) = u_init ! u
1163	mean_inflow_profiles(:,2) = v_init ! v
1164	ELSE
1165	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1166	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1167	ENDIF
1168	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1169	IF ( humidity ) mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1170	IF ( passive_scalar ) mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
1171
1172	!
1173	!-- In case of complex terrain, determine vertical displacement at inflow boundary and adjust
1174	!-- mean inflow profiles
1175	IF ( complex_terrain ) THEN
1176	IF ( nxlg <= 0 .AND. nxrg >= 0 .AND. nysg <= 0 .AND. nyng >= 0 ) THEN
1177	nz_u_shift_l = topo_top_ind(j,i,1)
1178	nz_v_shift_l = topo_top_ind(j,i,2)
1179	nz_w_shift_l = topo_top_ind(j,i,3)
1180	nz_s_shift_l = topo_top_ind(j,i,0)
1181	ELSE
1182	nz_u_shift_l = 0
1183	nz_v_shift_l = 0
1184	nz_w_shift_l = 0
1185	nz_s_shift_l = 0
1186	ENDIF
1187
1188	#if defined( __parallel )
1189	CALL MPI_ALLREDUCE( nz_u_shift_l, nz_u_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1190	CALL MPI_ALLREDUCE( nz_v_shift_l, nz_v_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1191	CALL MPI_ALLREDUCE( nz_w_shift_l, nz_w_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1192	CALL MPI_ALLREDUCE( nz_s_shift_l, nz_s_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1193	#else
1194	nz_u_shift = nz_u_shift_l
1195	nz_v_shift = nz_v_shift_l
1196	nz_w_shift = nz_w_shift_l
1197	nz_s_shift = nz_s_shift_l
1198	#endif
1199
1200	mean_inflow_profiles(:,1) = 0.0_wp
1201	mean_inflow_profiles(nz_u_shift:nzt+1,1) = hom_sum(0:nzt+1-nz_u_shift,1,0) ! u
1202
1203	mean_inflow_profiles(:,2) = 0.0_wp
1204	mean_inflow_profiles(nz_v_shift:nzt+1,2) = hom_sum(0:nzt+1-nz_v_shift,2,0) ! v
1205
1206	mean_inflow_profiles(nz_s_shift:nzt+1,4) = hom_sum(0:nzt+1-nz_s_shift,4,0) ! pt
1207
1208	ENDIF
1209
1210	!
1211	!-- If necessary, adjust the horizontal flow field to the prescribed profiles
1212	IF ( use_prescribed_profile_data ) THEN
1213	DO i = nxlg, nxrg
1214	DO j = nysg, nyng
1215	DO k = nzb, nzt+1
1216	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1217	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1218	ENDDO
1219	ENDDO
1220	ENDDO
1221	ENDIF
1222
1223	!
1224	!-- Use these mean profiles at the inflow (provided that Dirichlet conditions are used)
1225	IF ( bc_dirichlet_l ) THEN
1226	DO j = nysg, nyng
1227	DO k = nzb, nzt+1
1228	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1229	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1230	w(k,j,nxlg:-1) = 0.0_wp
1231	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1232	IF ( humidity ) q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1233	IF ( passive_scalar ) s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
1234	ENDDO
1235	ENDDO
1236	ENDIF
1237
1238	!
1239	!-- Calculate the damping factors to be used at the inflow. For a turbulent inflow the
1240	!-- turbulent fluctuations have to be limited vertically because otherwise the turbulent
1241	!-- inflow layer will grow in time.
1242	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1243	!
1244	!-- Default: use the inversion height calculated by the prerun; if this is zero,
1245	!-- inflow_damping_height must be explicitly specified.
1246	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1247	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1248	ELSE
1249	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1250	'explicitly specified because&the inversion height ', &
1251	'calculated by the prerun is zero.'
1252	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1253	ENDIF
1254
1255	ENDIF
1256
1257	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1258	!
1259	!-- Default for the transition range: one tenth of the undamped layer
1260	inflow_damping_width = 0.1_wp * inflow_damping_height
1261
1262	ENDIF
1263
1264	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1265
1266	DO k = nzb, nzt+1
1267
1268	IF ( zu(k) <= inflow_damping_height ) THEN
1269	inflow_damping_factor(k) = 1.0_wp
1270	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1271	inflow_damping_factor(k) = 1.0_wp - &
1272	( zu(k) - inflow_damping_height ) / inflow_damping_width
1273	ELSE
1274	inflow_damping_factor(k) = 0.0_wp
1275	ENDIF
1276
1277	ENDDO
1278
1279	ENDIF
1280
1281	!
1282	!-- Inside buildings set velocities back to zero
1283	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. topography /= 'flat' ) THEN
1284	!
1285	!-- Inside buildings set velocities back to zero.
1286	!-- Other scalars (pt, q, s, p, sa, ...) are ignored at present,
1287	!-- maybe revise later.
1288	DO i = nxlg, nxrg
1289	DO j = nysg, nyng
1290	DO k = nzb, nzt
1291	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 1 ) )
1292	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 2 ) )
1293	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 3 ) )
1294	ENDDO
1295	ENDDO
1296	ENDDO
1297
1298	ENDIF
1299
1300	!
1301	!-- Calculate initial temperature field and other constants used in case of a sloping surface
1302	IF ( sloping_surface ) CALL init_slope
1303
1304	!
1305	!-- Initialize new time levels (only done in order to set boundary values including ghost points)
1306	pt_p = pt; u_p = u; v_p = v; w_p = w
1307	IF ( humidity ) THEN
1308	q_p = q
1309	ENDIF
1310	IF ( passive_scalar ) s_p = s
1311	!
1312	!-- Allthough tendency arrays are set in prognostic_equations, they have have to be predefined
1313	!-- here because they are used (but multiplied with 0) there before they are set.
1314	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1315	IF ( humidity ) THEN
1316	tq_m = 0.0_wp
1317	ENDIF
1318	IF ( passive_scalar ) ts_m = 0.0_wp
1319
1320	IF ( debug_output ) THEN
1321	CALL debug_message( 'initializing in case of restart / cyclic_fill', 'end' )
1322	ENDIF
1323
1324	ELSE
1325	!
1326	!-- Actually this part of the programm should not be reached
1327	message_string = 'unknown initializing problem'
1328	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1329	ENDIF
1330
1331
1332	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1333	!
1334	!-- Initialize old timelevels needed for radiation boundary conditions
1335	IF ( bc_radiation_l ) THEN
1336	u_m_l(:,:,:) = u(:,:,1:2)
1337	v_m_l(:,:,:) = v(:,:,0:1)
1338	w_m_l(:,:,:) = w(:,:,0:1)
1339	ENDIF
1340	IF ( bc_radiation_r ) THEN
1341	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1342	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1343	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1344	ENDIF
1345	IF ( bc_radiation_s ) THEN
1346	u_m_s(:,:,:) = u(:,0:1,:)
1347	v_m_s(:,:,:) = v(:,1:2,:)
1348	w_m_s(:,:,:) = w(:,0:1,:)
1349	ENDIF
1350	IF ( bc_radiation_n ) THEN
1351	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1352	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1353	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1354	ENDIF
1355
1356	ENDIF
1357
1358	!
1359	!-- Calculate the initial volume flow at the right and north boundary
1360	IF ( conserve_volume_flow ) THEN
1361
1362	IF ( use_prescribed_profile_data ) THEN
1363
1364	volume_flow_initial_l = 0.0_wp
1365	volume_flow_area_l = 0.0_wp
1366
1367	IF ( nxr == nx ) THEN
1368	DO j = nys, nyn
1369	DO k = nzb+1, nzt
1370	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1371	u_init(k) * dzw(k) &
1372	* MERGE( 1.0_wp, 0.0_wp, &
1373	BTEST( wall_flags_total_0(k,j,nxr), 1 ) &
1374	)
1375
1376	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1377	* MERGE( 1.0_wp, 0.0_wp, &
1378	BTEST( wall_flags_total_0(k,j,nxr), 1 ) &
1379	)
1380	ENDDO
1381	ENDDO
1382	ENDIF
1383
1384	IF ( nyn == ny ) THEN
1385	DO i = nxl, nxr
1386	DO k = nzb+1, nzt
1387	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1388	v_init(k) * dzw(k) &
1389	* MERGE( 1.0_wp, 0.0_wp, &
1390	BTEST( wall_flags_total_0(k,nyn,i), 2 ) &
1391	)
1392	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1393	* MERGE( 1.0_wp, 0.0_wp, &
1394	BTEST( wall_flags_total_0(k,nyn,i), 2 ) &
1395	)
1396	ENDDO
1397	ENDDO
1398	ENDIF
1399
1400	#if defined( __parallel )
1401	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1), 2, MPI_REAL, &
1402	MPI_SUM, comm2d, ierr )
1403	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), 2, MPI_REAL, MPI_SUM, &
1404	comm2d, ierr )
1405
1406	#else
1407	volume_flow_initial = volume_flow_initial_l
1408	volume_flow_area = volume_flow_area_l
1409	#endif
1410
1411	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1412
1413	volume_flow_initial_l = 0.0_wp
1414	volume_flow_area_l = 0.0_wp
1415
1416	IF ( nxr == nx ) THEN
1417	DO j = nys, nyn
1418	DO k = nzb+1, nzt
1419	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1420	hom_sum(k,1,0) * dzw(k) &
1421	* MERGE( 1.0_wp, 0.0_wp, &
1422	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1423	)
1424	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1425	* MERGE( 1.0_wp, 0.0_wp, &
1426	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1427	)
1428	ENDDO
1429	ENDDO
1430	ENDIF
1431
1432	IF ( nyn == ny ) THEN
1433	DO i = nxl, nxr
1434	DO k = nzb+1, nzt
1435	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1436	hom_sum(k,2,0) * dzw(k) &
1437	* MERGE( 1.0_wp, 0.0_wp, &
1438	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1439	)
1440	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1441	* MERGE( 1.0_wp, 0.0_wp, &
1442	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1443	)
1444	ENDDO
1445	ENDDO
1446	ENDIF
1447
1448	#if defined( __parallel )
1449	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1), 2, MPI_REAL, &
1450	MPI_SUM, comm2d, ierr )
1451	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), 2, MPI_REAL, MPI_SUM, &
1452	comm2d, ierr )
1453
1454	#else
1455	volume_flow_initial = volume_flow_initial_l
1456	volume_flow_area = volume_flow_area_l
1457	#endif
1458
1459	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1460
1461	volume_flow_initial_l = 0.0_wp
1462	volume_flow_area_l = 0.0_wp
1463
1464	IF ( nxr == nx ) THEN
1465	DO j = nys, nyn
1466	DO k = nzb+1, nzt
1467	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1468	u(k,j,nx) * dzw(k) &
1469	* MERGE( 1.0_wp, 0.0_wp, &
1470	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1471	)
1472	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1473	* MERGE( 1.0_wp, 0.0_wp, &
1474	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1475	)
1476	ENDDO
1477	ENDDO
1478	ENDIF
1479
1480	IF ( nyn == ny ) THEN
1481	DO i = nxl, nxr
1482	DO k = nzb+1, nzt
1483	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1484	v(k,ny,i) * dzw(k) &
1485	* MERGE( 1.0_wp, 0.0_wp, &
1486	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1487	)
1488	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1489	* MERGE( 1.0_wp, 0.0_wp, &
1490	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1491	)
1492	ENDDO
1493	ENDDO
1494	ENDIF
1495
1496	#if defined( __parallel )
1497	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1), 2, MPI_REAL, &
1498	MPI_SUM, comm2d, ierr )
1499	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), 2, MPI_REAL, MPI_SUM, &
1500	comm2d, ierr )
1501
1502	#else
1503	volume_flow_initial = volume_flow_initial_l
1504	volume_flow_area = volume_flow_area_l
1505	#endif
1506
1507	ENDIF
1508
1509	!
1510	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated from u\|v_bulk instead
1511	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1512	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1513	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1514	ENDIF
1515
1516	ENDIF
1517	!
1518	!-- In the following, surface properties can be further initialized with input from static driver
1519	!-- file.
1520	!-- At the moment this affects only default surfaces. For example, roughness length or sensible /
1521	!-- latent heat fluxes can be initialized heterogeneously for default surfaces. Therefore, a generic
1522	!-- routine from netcdf_data_input_mod is called to read a 2D array.
1523	IF ( input_pids_static ) THEN
1524	!
1525	!-- Allocate memory for possible static input
1526	ALLOCATE( tmp_2d%var(nys:nyn,nxl:nxr) )
1527	tmp_2d%var = 0.0_wp
1528	!
1529	!-- Open the static input file
1530	#if defined( __netcdf )
1531	CALL open_read_file( TRIM( input_file_static ) // &
1532	TRIM( coupling_char ), pids_id )
1533
1534	CALL inquire_num_variables( pids_id, num_var_pids )
1535	!
1536	!-- Allocate memory to store variable names and read them
1537	ALLOCATE( vars_pids(1:num_var_pids) )
1538	CALL inquire_variable_names( pids_id, vars_pids )
1539	!
1540	!-- Input roughness length.
1541	IF ( check_existence( vars_pids, 'z0' ) ) THEN
1542	!
1543	!-- Read _FillValue attribute
1544	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, .FALSE., 'z0' )
1545	!
1546	!-- Read variable
1547	CALL get_variable( pids_id, 'z0', tmp_2d%var, nxl, nxr, nys, nyn )
1548	!
1549	!-- Initialize roughness length. Note, z0 will be only initialized at default-type surfaces.
1550	!-- At natural or urban z0 is implicitly initialized by the respective parameter lists.
1551	!-- Initialize horizontal surface elements.
1552	CALL init_single_surface_properties( surf_def_h(0)%z0, tmp_2d%var, surf_def_h(0)%ns, &
1553	tmp_2d%fill, surf_def_h(0)%i, surf_def_h(0)%j )
1554	!
1555	!-- Initialize roughness also at vertical surface elements.
1556	!-- Note, the actual 2D input arrays are only defined on the subdomain. Therefore, pass the
1557	!-- index arrays with their respective offset values.
1558	DO l = 0, 3
1559	CALL init_single_surface_properties( surf_def_v(l)%z0, tmp_2d%var, surf_def_v(l)%ns, &
1560	tmp_2d%fill, surf_def_v(l)%i+surf_def_v(l)%ioff, &
1561	surf_def_v(l)%j+surf_def_v(l)%joff )
1562	ENDDO
1563
1564	ENDIF
1565	!
1566	!-- Input surface sensible heat flux.
1567	IF ( check_existence( vars_pids, 'shf' ) ) THEN
1568	!
1569	!-- Read _FillValue attribute
1570	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, .FALSE., 'shf' )
1571	!
1572	!-- Read variable
1573	CALL get_variable( pids_id, 'shf', tmp_2d%var, nxl, nxr, nys, nyn )
1574	!
1575	!-- Initialize heat flux. Note, shf will be only initialized at default-type surfaces. At
1576	!-- natural or urban shf is implicitly initialized by the respective parameter lists.
1577	!-- Initialize horizontal surface elements.
1578	CALL init_single_surface_properties( surf_def_h(0)%shf, tmp_2d%var, surf_def_h(0)%ns, &
1579	tmp_2d%fill, surf_def_h(0)%i, surf_def_h(0)%j )
1580	!
1581	!-- Initialize heat flux also at vertical surface elements.
1582	!-- Note, the actual 2D input arrays are only defined on the subdomain. Therefore, pass the
1583	!-- index arrays with their respective offset values.
1584	DO l = 0, 3
1585	CALL init_single_surface_properties( surf_def_v(l)%shf, tmp_2d%var, surf_def_v(l)%ns, &
1586	tmp_2d%fill, surf_def_v(l)%i+surf_def_v(l)%ioff, &
1587	surf_def_v(l)%j+surf_def_v(l)%joff )
1588	ENDDO
1589
1590	ENDIF
1591	!
1592	!-- Input surface sensible heat flux.
1593	IF ( check_existence( vars_pids, 'qsws' ) ) THEN
1594	!
1595	!-- Read _FillValue attribute
1596	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
1597	.FALSE., 'qsws' )
1598	!
1599	!-- Read variable
1600	CALL get_variable( pids_id, 'qsws', tmp_2d%var, &
1601	nxl, nxr, nys, nyn )
1602	!
1603	!-- Initialize latent heat flux. Note, qsws will be only initialized at default-type surfaces.
1604	!-- At natural or urban qsws is implicitly initialized by the respective parameter lists.
1605	!-- Initialize horizontal surface elements.
1606	CALL init_single_surface_properties( surf_def_h(0)%qsws, tmp_2d%var, surf_def_h(0)%ns, &
1607	tmp_2d%fill, surf_def_h(0)%i, surf_def_h(0)%j )
1608	!
1609	!-- Initialize latent heat flux also at vertical surface elements.
1610	!-- Note, the actual 2D input arrays are only defined on the subdomain. Therefore, pass the
1611	!-- index arrays with their respective offset values.
1612	DO l = 0, 3
1613	CALL init_single_surface_properties( surf_def_v(l)%qsws, tmp_2d%var, surf_def_v(l)%ns,&
1614	tmp_2d%fill, surf_def_v(l)%i+surf_def_v(l)%ioff, &
1615	surf_def_v(l)%j+surf_def_v(l)%joff )
1616	ENDDO
1617
1618	ENDIF
1619	!
1620	!-- Additional variables, can be initialized the
1621	!-- same way.
1622
1623	!
1624	!-- Finally, close the input file and deallocate temporary arrays
1625	DEALLOCATE( vars_pids )
1626
1627	CALL close_input_file( pids_id )
1628	#endif
1629	DEALLOCATE( tmp_2d%var )
1630	ENDIF
1631	!
1632	!-- Finally, if random_heatflux is set, disturb shf at horizontal surfaces. Actually, this should be
1633	!-- done in surface_mod, where all other initializations of surface quantities are done. However,
1634	!-- this would create a ring dependency, hence, it is done here. Maybe delete disturb_heatflux and
1635	!-- tranfer the respective code directly into the initialization in surface_mod.
1636	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1637	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1638
1639	IF ( use_surface_fluxes .AND. constant_heatflux .AND. random_heatflux ) THEN
1640	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
1641	IF ( surf_lsm_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h(0) )
1642	IF ( surf_usm_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_usm_h(0) )
1643	ENDIF
1644	ENDIF
1645
1646	!
1647	!-- Compute total sum of grid points and the mean surface level height for each statistic region.
1648	!-- These are mainly used for horizontal averaging of turbulence statistics.
1649	!-- ngp_2dh: number of grid points of a horizontal cross section through the respective statistic
1650	!-- region
1651	!-- ngp_3d: number of grid points of the respective statistic region
1652	ngp_2dh_outer_l = 0
1653	ngp_2dh_outer = 0
1654	ngp_2dh_s_inner_l = 0
1655	ngp_2dh_s_inner = 0
1656	ngp_2dh_l = 0
1657	ngp_2dh = 0
1658	ngp_3d_inner_l = 0.0_wp
1659	ngp_3d_inner = 0
1660	ngp_3d = 0
1661	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
1662
1663	mean_surface_level_height = 0.0_wp
1664	mean_surface_level_height_l = 0.0_wp
1665	!
1666	!-- To do: New concept for these non-topography grid points!
1667	DO sr = 0, statistic_regions
1668	DO i = nxl, nxr
1669	DO j = nys, nyn
1670	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
1671	!
1672	!-- All xy-grid points
1673	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
1674	!
1675	!-- Determine mean surface-level height. In case of downward-facing walls are present,
1676	!-- more than one surface level exist.
1677	!-- In this case, use the lowest surface-level height.
1678	IF ( surf_def_h(0)%start_index(j,i) <= surf_def_h(0)%end_index(j,i) ) THEN
1679	m = surf_def_h(0)%start_index(j,i)
1680	k = surf_def_h(0)%k(m)
1681	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) + zw(k-1)
1682	ENDIF
1683	IF ( surf_lsm_h(0)%start_index(j,i) <= surf_lsm_h(0)%end_index(j,i) ) THEN
1684	m = surf_lsm_h(0)%start_index(j,i)
1685	k = surf_lsm_h(0)%k(m)
1686	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) + zw(k-1)
1687	ENDIF
1688	IF ( surf_usm_h(0)%start_index(j,i) <= surf_usm_h(0)%end_index(j,i) ) THEN
1689	m = surf_usm_h(0)%start_index(j,i)
1690	k = surf_usm_h(0)%k(m)
1691	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) + zw(k-1)
1692	ENDIF
1693
1694	k_surf = k - 1
1695
1696	DO k = nzb, nzt+1
1697	!
1698	!-- xy-grid points above topography
1699	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
1700	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 24 ) )
1701
1702	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
1703	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 22 ) )
1704
1705	ENDDO
1706	!
1707	!-- All grid points of the total domain above topography
1708	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
1709
1710
1711
1712	ENDIF
1713	ENDDO
1714	ENDDO
1715	ENDDO
1716
1717	sr = statistic_regions + 1
1718	#if defined( __parallel )
1719	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1720	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
1721	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1722	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, MPI_INTEGER, MPI_SUM, &
1723	comm2d, ierr )
1724	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1725	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), (nz+2)*sr, MPI_INTEGER, &
1726	MPI_SUM, comm2d, ierr )
1727	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1728	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, MPI_SUM, comm2d, &
1729	ierr )
1730	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
1731	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1732	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), mean_surface_level_height(0), sr, MPI_REAL,&
1733	MPI_SUM, comm2d, ierr )
1734	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
1735	#else
1736	ngp_2dh = ngp_2dh_l
1737	ngp_2dh_outer = ngp_2dh_outer_l
1738	ngp_2dh_s_inner = ngp_2dh_s_inner_l
1739	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
1740	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
1741	#endif
1742
1743	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
1744	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
1745
1746	!
1747	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics, buoyancy, etc. A
1748	!-- zero value will occur for cases where all grid points of the respective subdomain lie below the
1749	!-- surface topography
1750	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
1751	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), ngp_3d_inner(:) )
1752	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
1753
1754	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, &
1755	ngp_3d_inner_tmp )
1756
1757	!
1758	!-- Initializae 3D offline nesting in COSMO model and read data from
1759	!-- external NetCDF file.
1760	IF ( nesting_offline ) CALL nesting_offl_init
1761	!
1762	!-- Initialize quantities for special advections schemes
1763	CALL init_advec
1764
1765	!
1766	!-- Impose random perturbation on the horizontal velocity field and then
1767	!-- remove the divergences from the velocity field at the initial stage
1768	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1769	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1770	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1771
1772	IF ( debug_output ) THEN
1773	CALL debug_message( 'creating disturbances + applying pressure solver', 'start' )
1774	ENDIF
1775	!
1776	!-- Needed for both disturb_field and pres
1777	!$ACC DATA &
1778	!$ACC CREATE(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1779	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1780	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
1781
1782	CALL disturb_field( 'u', tend, u )
1783	CALL disturb_field( 'v', tend, v )
1784
1785	!$ACC DATA &
1786	!$ACC CREATE(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
1787	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1788	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1789	!$ACC COPYIN(rho_air(nzb:nzt+1), rho_air_zw(nzb:nzt+1)) &
1790	!$ACC COPYIN(ddzu(1:nzt+1), ddzw(1:nzt+1)) &
1791	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1792	!$ACC COPYIN(bc_h(0:1)) &
1793	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
1794	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
1795	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
1796	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
1797	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
1798	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
1799
1800	n_sor = nsor_ini
1801	CALL pres
1802	n_sor = nsor
1803
1804	!$ACC END DATA
1805	!$ACC END DATA
1806
1807	IF ( debug_output ) THEN
1808	CALL debug_message( 'creating disturbances + applying pressure solver', 'end' )
1809	ENDIF
1810
1811	ENDIF
1812
1813	IF ( .NOT. ocean_mode ) THEN
1814
1815	ALLOCATE( hyp(nzb:nzt+1) )
1816	ALLOCATE( d_exner(nzb:nzt+1) )
1817	ALLOCATE( exner(nzb:nzt+1) )
1818	ALLOCATE( hyrho(nzb:nzt+1) )
1819	!
1820	!-- Check temperature in case of too large domain height
1821	DO k = nzb, nzt+1
1822	IF ( ( pt_surface * exner_function( surface_pressure * 100.0_wp ) - g/c_p * zu(k) ) &
1823	< 0.0_wp ) THEN
1824	WRITE( message_string, * ) 'absolute temperature < 0.0 at zu(', k, ') = ', zu(k)
1825	CALL message( 'init_3d_model', 'PA0142', 1, 2, 0, 6, 0 )
1826	ENDIF
1827	ENDDO
1828
1829	!
1830	!-- Calculate vertical profile of the hydrostatic pressure (hyp)
1831	hyp = barometric_formula( zu, pt_surface * exner_function( surface_pressure * 100.0_wp ),&
1832	surface_pressure * 100.0_wp )
1833	d_exner = exner_function_invers( hyp )
1834	exner = 1.0_wp / exner_function_invers( hyp )
1835	hyrho = ideal_gas_law_rho_pt( hyp, pt_init )
1836	!
1837	!-- Compute reference density
1838	rho_surface = ideal_gas_law_rho( surface_pressure * 100.0_wp, &
1839	pt_surface * exner_function( surface_pressure * 100.0_wp ) )
1840
1841	ENDIF
1842
1843	!
1844	!-- If required, initialize particles
1845	IF ( agents_active ) CALL mas_init
1846	!
1847	!-- Initialization of synthetic turbulence generator
1848	IF ( use_syn_turb_gen ) CALL stg_init
1849	!
1850	!-- Initializing actions for all other modules
1851	CALL module_interface_init
1852	!
1853	!-- Initialize surface layer (done after LSM as roughness length are required for initialization
1854	IF ( constant_flux_layer ) CALL init_surface_layer_fluxes
1855	!
1856	!-- Initialize surface data output
1857	IF ( surface_output ) CALL surface_data_output_init
1858	!
1859	!-- Initialize the ws-scheme.
1860	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1861	!
1862	!-- Perform post-initializing checks for all other modules
1863	CALL module_interface_init_checks
1864
1865	!
1866	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
1867	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
1868	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1869	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
1870	CALL ls_forcing_surf( simulated_time )
1871	ENDIF
1872	ENDIF
1873	!
1874	!-- Setting weighting factors for calculation of perturbation pressure and turbulent quantities from
1875	!-- the RK substeps.
1876	IF ( TRIM( timestep_scheme ) == 'runge-kutta-3' ) THEN ! for RK3-method
1877
1878	weight_substep(1) = 1._wp/6._wp
1879	weight_substep(2) = 3._wp/10._wp
1880	weight_substep(3) = 8._wp/15._wp
1881
1882	weight_pres(1) = 1._wp/3._wp
1883	weight_pres(2) = 5._wp/12._wp
1884	weight_pres(3) = 1._wp/4._wp
1885
1886	ELSEIF ( TRIM( timestep_scheme ) == 'runge-kutta-2' ) THEN ! for RK2-method
1887
1888	weight_substep(1) = 1._wp/2._wp
1889	weight_substep(2) = 1._wp/2._wp
1890
1891	weight_pres(1) = 1._wp/2._wp
1892	weight_pres(2) = 1._wp/2._wp
1893
1894	ELSE ! for Euler-method
1895
1896	weight_substep(1) = 1.0_wp
1897	weight_pres(1) = 1.0_wp
1898
1899	ENDIF
1900
1901	!
1902	!-- Initialize Rayleigh damping factors
1903	rdf = 0.0_wp
1904	rdf_sc = 0.0_wp
1905	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1906
1907	IF ( .NOT. ocean_mode ) THEN
1908	DO k = nzb+1, nzt
1909	IF ( zu(k) >= rayleigh_damping_height ) THEN
1910	rdf(k) = rayleigh_damping_factor * &
1911	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
1912	/ ( zu(nzt) - rayleigh_damping_height ) ) &
1913	)**2
1914	ENDIF
1915	ENDDO
1916	ELSE
1917	!
1918	!-- In ocean mode, rayleigh damping is applied in the lower part of the model domain
1919	DO k = nzt, nzb+1, -1
1920	IF ( zu(k) <= rayleigh_damping_height ) THEN
1921	rdf(k) = rayleigh_damping_factor * &
1922	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
1923	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
1924	)**2
1925	ENDIF
1926	ENDDO
1927	ENDIF
1928
1929	ENDIF
1930	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
1931
1932	!
1933	!-- Initialize the starting level and the vertical smoothing factor used for the external pressure
1934	!-- gradient
1935	dp_smooth_factor = 1.0_wp
1936	IF ( dp_external ) THEN
1937	!
1938	!-- Set the starting level dp_level_ind_b only if it has not been set before (e.g. in init_grid).
1939	IF ( dp_level_ind_b == 0 ) THEN
1940	ind_array = MINLOC( ABS( dp_level_b - zu ) )
1941	dp_level_ind_b = ind_array(1) - 1 + nzb
1942	! MINLOC uses lower array bound 1
1943	ENDIF
1944	IF ( dp_smooth ) THEN
1945	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
1946	DO k = dp_level_ind_b+1, nzt
1947	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
1948	( REAL( k - dp_level_ind_b, KIND=wp ) / &
1949	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
1950	ENDDO
1951	ENDIF
1952	ENDIF
1953
1954	!
1955	!-- Initialize damping zone for the potential temperature in case of non-cyclic lateral boundaries.
1956	!-- The damping zone has the maximum value at the inflow boundary and decreases to zero at
1957	!-- pt_damping_width.
1958	ptdf_x = 0.0_wp
1959	ptdf_y = 0.0_wp
1960	IF ( bc_lr_dirrad ) THEN
1961	DO i = nxl, nxr
1962	IF ( ( i * dx ) < pt_damping_width ) THEN
1963	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
1964	REAL( pt_damping_width - i * dx, KIND=wp ) / &
1965	REAL( pt_damping_width, KIND=wp ) ) )**2
1966	ENDIF
1967	ENDDO
1968	ELSEIF ( bc_lr_raddir ) THEN
1969	DO i = nxl, nxr
1970	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
1971	ptdf_x(i) = pt_damping_factor * SIN( pi * 0.5_wp * &
1972	( ( i - nx ) * dx + pt_damping_width ) / &
1973	REAL( pt_damping_width, KIND=wp ) )**2
1974	ENDIF
1975	ENDDO
1976	ELSEIF ( bc_ns_dirrad ) THEN
1977	DO j = nys, nyn
1978	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
1979	ptdf_y(j) = pt_damping_factor * SIN( pi * 0.5_wp * &
1980	( ( j - ny ) * dy + pt_damping_width ) / &
1981	REAL( pt_damping_width, KIND=wp ) )**2
1982	ENDIF
1983	ENDDO
1984	ELSEIF ( bc_ns_raddir ) THEN
1985	DO j = nys, nyn
1986	IF ( ( j * dy ) < pt_damping_width ) THEN
1987	ptdf_y(j) = pt_damping_factor * SIN( pi * 0.5_wp * &
1988	( pt_damping_width - j * dy ) / &
1989	REAL( pt_damping_width, KIND=wp ) )**2
1990	ENDIF
1991	ENDDO
1992	ENDIF
1993
1994	!
1995	!-- Input binary data file is not needed anymore. This line must be placed after call of user_init!
1996	CALL close_file( 13 )
1997	!
1998	!-- In case of nesting, put an barrier to assure that all parent and child domains finished
1999	!-- initialization.
2000	#if defined( __parallel )
2001	IF ( nested_run ) CALL MPI_BARRIER( MPI_COMM_WORLD, ierr )
2002	#endif
2003
2004
2005	CALL location_message( 'model initialization', 'finished' )
2006
2007	END SUBROUTINE init_3d_model

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source: palm/trunk/SOURCE/init_3d_model.f90 @ 4715

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