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init_3d_model.f90 @ 4526

Last change on this file since 4526 was 4514, checked in by suehring, 5 years ago

Bugfix in plant-canopy model for output of averaged transpiration rate after a restart; Revise check for output for plant heating rate and rename error message number; Surface-data output: enable output of mixing ratio and passive scalar concentration at the surface; Surface-data input: Add possibility to prescribe surface sensible and latent heat fluxes via static input file

Property svn:keywords set to Id

Property svn:mergeinfo set to False

/palm/branches/chemistry/SOURCE/init_3d_model.f90	2047-3190,3218-3297
/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
/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

File size: 86.1 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
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 1997-2020 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: init_3d_model.f90 4514 2020-04-30 16:29:59Z oliver.maas $
27	! Add possibility to initialize surface sensible and latent heat fluxes via
28	! a static driver.
29	!
30	! 4493 2020-04-10 09:49:43Z pavelkrc
31	! Overwrite u_init, v_init, pt_init, q_init and s_init with hom for all
32	! cyclic_fill-cases, not only for turbulent_inflow = .TRUE.
33	!
34	! 4360 2020-01-07 11:25:50Z suehring
35	! Introduction of wall_flags_total_0, which currently sets bits based on static
36	! topography information used in wall_flags_static_0
37	!
38	! 4329 2019-12-10 15:46:36Z motisi
39	! Renamed wall_flags_0 to wall_flags_static_0
40	!
41	! 4286 2019-10-30 16:01:14Z resler
42	! implement new palm_date_time_mod
43	!
44	! 4223 2019-09-10 09:20:47Z gronemeier
45	! Deallocate temporary string array since it may be re-used to read different
46	! input data in other modules
47	!
48	! 4186 2019-08-23 16:06:14Z suehring
49	! Design change, use variables defined in netcdf_data_input_mod to read netcd
50	! variables rather than define local ones.
51	!
52	! 4185 2019-08-23 13:49:38Z oliver.maas
53	! For initializing_actions = ' cyclic_fill':
54	! Overwrite u_init, v_init, pt_init, q_init and s_init with the
55	! (temporally) and horizontally averaged vertical profiles from the end
56	! of the prerun, because these profiles shall be used as the basic state
57	! for the rayleigh damping and the pt_damping.
58	!
59	! 4182 2019-08-22 15:20:23Z scharf
60	! Corrected "Former revisions" section
61	!
62	! 4168 2019-08-16 13:50:17Z suehring
63	! Replace function get_topography_top_index by topo_top_ind
64	!
65	! 4151 2019-08-09 08:24:30Z suehring
66	! Add netcdf directive around input calls (fix for last commit)
67	!
68	! 4150 2019-08-08 20:00:47Z suehring
69	! Input of additional surface variables independent on land- or urban-surface
70	! model
71	!
72	! 4131 2019-08-02 11:06:18Z monakurppa
73	! Allocate sums and sums_l to allow profile output for salsa variables.
74	!
75	! 4130 2019-08-01 13:04:13Z suehring
76	! Effectively reduce 3D initialization to 1D initial profiles. This is because
77	! 3D initialization produces structures in the w-component that are correlated
78	! with the processor grid for some unknown reason
79	!
80	! 4090 2019-07-11 15:06:47Z Giersch
81	! Unused variables removed
82	!
83	! 4088 2019-07-11 13:57:56Z Giersch
84	! Pressure and density profile calculations revised using basic functions
85	!
86	! 4048 2019-06-21 21:00:21Z knoop
87	! Further modularization of particle code components
88	!
89	! 4017 2019-06-06 12:16:46Z schwenkel
90	! Convert most location messages to debug messages to reduce output in
91	! job logfile to a minimum
92	!
93	!
94	! unused variable removed
95	!
96	! 3937 2019-04-29 15:09:07Z suehring
97	! Move initialization of synthetic turbulence generator behind initialization
98	! of offline nesting. Remove call for stg_adjust, as this is now already done
99	! in stg_init.
100	!
101	! 3900 2019-04-16 15:17:43Z suehring
102	! Fix problem with LOD = 2 initialization
103	!
104	! 3885 2019-04-11 11:29:34Z kanani
105	! Changes related to global restructuring of location messages and introduction
106	! of additional debug messages
107	!
108	! 3849 2019-04-01 16:35:16Z knoop
109	! Move initialization of rmask before initializing user_init_arrays
110	!
111	! 3711 2019-01-31 13:44:26Z knoop
112	! Introduced module_interface_init_checks for post-init checks in modules
113	!
114	! 3700 2019-01-26 17:03:42Z knoop
115	! Some interface calls moved to module_interface + cleanup
116	!
117	! 3648 2019-01-02 16:35:46Z suehring
118	! Rename subroutines for surface-data output
119	!
120	! Revision 1.1 1998/03/09 16:22:22 raasch
121	! Initial revision
122	!
123	!
124	! Description:
125	! ------------
126	!> Allocation of arrays and initialization of the 3D model via
127	!> a) pre-run the 1D model
128	!> or
129	!> b) pre-set constant linear profiles
130	!> or
131	!> c) read values of a previous run
132	!------------------------------------------------------------------------------!
133	SUBROUTINE init_3d_model
134
135
136	USE advec_ws
137
138	USE arrays_3d
139
140	USE basic_constants_and_equations_mod, &
141	ONLY: c_p, g, l_v, pi, exner_function, exner_function_invers, &
142	ideal_gas_law_rho, ideal_gas_law_rho_pt, barometric_formula
143
144	USE bulk_cloud_model_mod, &
145	ONLY: bulk_cloud_model
146
147	USE chem_modules, &
148	ONLY: max_pr_cs ! ToDo: this dependency needs to be removed cause it is ugly #new_dom
149
150	USE control_parameters
151
152	USE grid_variables, &
153	ONLY: dx, dy, ddx2_mg, ddy2_mg
154
155	USE indices
156
157	USE kinds
158
159	USE lsf_nudging_mod, &
160	ONLY: ls_forcing_surf
161
162	USE model_1d_mod, &
163	ONLY: init_1d_model, l1d, u1d, v1d
164
165	USE module_interface, &
166	ONLY: module_interface_init_arrays, &
167	module_interface_init, &
168	module_interface_init_checks
169
170	USE multi_agent_system_mod, &
171	ONLY: agents_active, mas_init
172
173	USE netcdf_interface, &
174	ONLY: dots_max
175
176	USE netcdf_data_input_mod, &
177	ONLY: char_fill, &
178	check_existence, &
179	close_input_file, &
180	get_attribute, &
181	get_variable, &
182	init_3d, &
183	input_pids_static, &
184	inquire_num_variables, &
185	inquire_variable_names, &
186	input_file_static, &
187	netcdf_data_input_init_3d, &
188	num_var_pids, &
189	open_read_file, &
190	pids_id, &
191	real_2d, &
192	vars_pids
193
194	USE nesting_offl_mod, &
195	ONLY: nesting_offl_init
196
197	USE palm_date_time_mod, &
198	ONLY: set_reference_date_time
199
200	USE pegrid
201
202	#if defined( __parallel )
203	USE pmc_interface, &
204	ONLY: nested_run
205	#endif
206
207	USE random_function_mod
208
209	USE random_generator_parallel, &
210	ONLY: init_parallel_random_generator
211
212	USE read_restart_data_mod, &
213	ONLY: rrd_read_parts_of_global, rrd_local
214
215	USE statistics, &
216	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, &
217	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
218	sums_l_l, sums_wsts_bc_l, ts_value, &
219	weight_pres, weight_substep
220
221	USE synthetic_turbulence_generator_mod, &
222	ONLY: stg_init, use_syn_turb_gen
223
224	USE surface_layer_fluxes_mod, &
225	ONLY: init_surface_layer_fluxes
226
227	USE surface_mod, &
228	ONLY : init_single_surface_properties, &
229	init_surface_arrays, &
230	init_surfaces, &
231	surf_def_h, &
232	surf_def_v, &
233	surf_lsm_h, &
234	surf_usm_h
235
236	#if defined( _OPENACC )
237	USE surface_mod, &
238	ONLY : bc_h
239	#endif
240
241	USE surface_data_output_mod, &
242	ONLY: surface_data_output_init
243
244	USE transpose_indices
245
246	IMPLICIT NONE
247
248	INTEGER(iwp) :: i !< grid index in x direction
249	INTEGER(iwp) :: ind_array(1) !< dummy used to determine start index for external pressure forcing
250	INTEGER(iwp) :: j !< grid index in y direction
251	INTEGER(iwp) :: k !< grid index in z direction
252	INTEGER(iwp) :: k_surf !< surface level index
253	INTEGER(iwp) :: l !< running index over surface orientation
254	INTEGER(iwp) :: m !< index of surface element in surface data type
255	INTEGER(iwp) :: nz_u_shift !< topography-top index on u-grid, used to vertically shift initial profiles
256	INTEGER(iwp) :: nz_v_shift !< topography-top index on v-grid, used to vertically shift initial profiles
257	INTEGER(iwp) :: nz_w_shift !< topography-top index on w-grid, used to vertically shift initial profiles
258	INTEGER(iwp) :: nz_s_shift !< topography-top index on scalar-grid, used to vertically shift initial profiles
259	INTEGER(iwp) :: nz_u_shift_l !< topography-top index on u-grid, used to vertically shift initial profiles
260	INTEGER(iwp) :: nz_v_shift_l !< topography-top index on v-grid, used to vertically shift initial profiles
261	INTEGER(iwp) :: nz_w_shift_l !< topography-top index on w-grid, used to vertically shift initial profiles
262	INTEGER(iwp) :: nz_s_shift_l !< topography-top index on scalar-grid, used to vertically shift initial profiles
263	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
264	INTEGER(iwp) :: sr !< index of statistic region
265
266	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !< toal number of horizontal grid points in statistical region on subdomain
267
268	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !< number of horizontal non-wall bounded grid points on subdomain
269	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !< number of horizontal non-topography grid points on subdomain
270
271
272
273	REAL(wp), DIMENSION(:), ALLOCATABLE :: init_l !< dummy array used for averaging 3D data to obtain inital profiles
274	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
275
276	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
277	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
278
279	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !< area of lateral and top model domain surface on local subdomain
280	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !< initial volume flow into model domain
281
282	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !< mean surface level height on subdomain
283	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !< total number of non-topography grid points on subdomain
284	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !< total number of non-topography grid points
285
286	TYPE(real_2d) :: tmp_2d !< temporary variable to input additional surface-data from static file
287
288	CALL location_message( 'model initialization', 'start' )
289	!
290	!-- Set reference date-time
291	CALL set_reference_date_time( date_time_str=origin_date_time )
292
293	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'start' )
294	!
295	!-- Allocate arrays
296	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
297	mean_surface_level_height_l(0:statistic_regions), &
298	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
299	ngp_3d(0:statistic_regions), &
300	ngp_3d_inner(0:statistic_regions), &
301	ngp_3d_inner_l(0:statistic_regions), &
302	ngp_3d_inner_tmp(0:statistic_regions), &
303	sums_divnew_l(0:statistic_regions), &
304	sums_divold_l(0:statistic_regions) )
305	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
306	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
307	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
308	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
309	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
310	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
311	sums(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa), &
312	sums_l(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa,0:threads_per_task-1), &
313	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
314	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions) )
315	ALLOCATE( ts_value(dots_max,0:statistic_regions) )
316	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
317
318	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
319	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
320	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
321
322	ALLOCATE( pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
323	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
324	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
325	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
326	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
327	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
328	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
329	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
330	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
331	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
332	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
333	IF ( .NOT. neutral ) THEN
334	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
335	ENDIF
336	!
337	!-- Pre-set masks for regional statistics. Default is the total model domain.
338	!-- Ghost points are excluded because counting values at the ghost boundaries
339	!-- would bias the statistics
340	rmask = 1.0_wp
341	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
342	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
343	!
344	!-- Following array is required for perturbation pressure within the iterative
345	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
346	!-- the weighted average of the substeps and cannot be used in the Poisson
347	!-- solver.
348	IF ( psolver == 'sor' ) THEN
349	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
350	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
351	!
352	!-- For performance reasons, multigrid is using one ghost layer only
353	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
354	ENDIF
355
356	!
357	!-- Array for storing constant coeffficients of the tridiagonal solver
358	IF ( psolver == 'poisfft' ) THEN
359	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
360	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
361	ENDIF
362
363	IF ( humidity ) THEN
364	!
365	!-- 3D-humidity
366	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
367	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
368	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
369	vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
370	ENDIF
371
372	IF ( passive_scalar ) THEN
373
374	!
375	!-- 3D scalar arrays
376	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
377	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
378	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
379
380	ENDIF
381
382	!
383	!-- Allocate and set 1d-profiles for Stokes drift velocity. It may be set to
384	!-- non-zero values later in ocean_init
385	ALLOCATE( u_stokes_zu(nzb:nzt+1), u_stokes_zw(nzb:nzt+1), &
386	v_stokes_zu(nzb:nzt+1), v_stokes_zw(nzb:nzt+1) )
387	u_stokes_zu(:) = 0.0_wp
388	u_stokes_zw(:) = 0.0_wp
389	v_stokes_zu(:) = 0.0_wp
390	v_stokes_zw(:) = 0.0_wp
391
392	!
393	!-- Allocation of anelastic and Boussinesq approximation specific arrays
394	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
395	ALLOCATE( rho_air(nzb:nzt+1) )
396	ALLOCATE( rho_air_zw(nzb:nzt+1) )
397	ALLOCATE( drho_air(nzb:nzt+1) )
398	ALLOCATE( drho_air_zw(nzb:nzt+1) )
399	!
400	!-- Density profile calculation for anelastic and Boussinesq approximation
401	!-- In case of a Boussinesq approximation, a constant density is calculated
402	!-- mainly for output purposes. This density do not need to be considered
403	!-- in the model's system of equations.
404	IF ( TRIM( approximation ) == 'anelastic' ) THEN
405	DO k = nzb, nzt+1
406	p_hydrostatic(k) = barometric_formula(zu(k), pt_surface * &
407	exner_function(surface_pressure * 100.0_wp), &
408	surface_pressure * 100.0_wp)
409
410	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(k))
411	ENDDO
412
413	DO k = nzb, nzt
414	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
415	ENDDO
416
417	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
418	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
419
420	ELSE
421	DO k = nzb, nzt+1
422	p_hydrostatic(k) = barometric_formula(zu(nzb), pt_surface * &
423	exner_function(surface_pressure * 100.0_wp), &
424	surface_pressure * 100.0_wp)
425
426	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(nzb))
427	ENDDO
428
429	DO k = nzb, nzt
430	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
431	ENDDO
432
433	rho_air_zw(nzt+1) = rho_air_zw(nzt) &
434	+ 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
435
436	ENDIF
437	!
438	!-- compute the inverse density array in order to avoid expencive divisions
439	drho_air = 1.0_wp / rho_air
440	drho_air_zw = 1.0_wp / rho_air_zw
441
442	!
443	!-- Allocation of flux conversion arrays
444	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
445	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
446	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
447	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
448	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
449	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
450
451	!
452	!-- calculate flux conversion factors according to approximation and in-/output mode
453	DO k = nzb, nzt+1
454
455	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
456	heatflux_input_conversion(k) = rho_air_zw(k)
457	waterflux_input_conversion(k) = rho_air_zw(k)
458	momentumflux_input_conversion(k) = rho_air_zw(k)
459	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
460	heatflux_input_conversion(k) = 1.0_wp / c_p
461	waterflux_input_conversion(k) = 1.0_wp / l_v
462	momentumflux_input_conversion(k) = 1.0_wp
463	ENDIF
464
465	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
466	heatflux_output_conversion(k) = drho_air_zw(k)
467	waterflux_output_conversion(k) = drho_air_zw(k)
468	momentumflux_output_conversion(k) = drho_air_zw(k)
469	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
470	heatflux_output_conversion(k) = c_p
471	waterflux_output_conversion(k) = l_v
472	momentumflux_output_conversion(k) = 1.0_wp
473	ENDIF
474
475	IF ( .NOT. humidity ) THEN
476	waterflux_input_conversion(k) = 1.0_wp
477	waterflux_output_conversion(k) = 1.0_wp
478	ENDIF
479
480	ENDDO
481
482	!
483	!-- In case of multigrid method, compute grid lengths and grid factors for the
484	!-- grid levels with respective density on each grid
485	IF ( psolver(1:9) == 'multigrid' ) THEN
486
487	ALLOCATE( ddx2_mg(maximum_grid_level) )
488	ALLOCATE( ddy2_mg(maximum_grid_level) )
489	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
490	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
491	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
492	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
493	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
494	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
495	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
496
497	dzu_mg(:,maximum_grid_level) = dzu
498	rho_air_mg(:,maximum_grid_level) = rho_air
499	!
500	!-- Next line to ensure an equally spaced grid.
501	dzu_mg(1,maximum_grid_level) = dzu(2)
502	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + &
503	(rho_air(nzb) - rho_air(nzb+1))
504
505	dzw_mg(:,maximum_grid_level) = dzw
506	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
507	nzt_l = nzt
508	DO l = maximum_grid_level-1, 1, -1
509	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
510	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
511	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + (rho_air_mg(nzb,l+1) - rho_air_mg(nzb+1,l+1))
512	rho_air_zw_mg(nzb,l) = rho_air_zw_mg(nzb,l+1) + (rho_air_zw_mg(nzb,l+1) - rho_air_zw_mg(nzb+1,l+1))
513	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
514	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
515	nzt_l = nzt_l / 2
516	DO k = 2, nzt_l+1
517	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
518	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
519	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
520	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
521	ENDDO
522	ENDDO
523
524	nzt_l = nzt
525	dx_l = dx
526	dy_l = dy
527	DO l = maximum_grid_level, 1, -1
528	ddx2_mg(l) = 1.0_wp / dx_l**2
529	ddy2_mg(l) = 1.0_wp / dy_l**2
530	DO k = nzb+1, nzt_l
531	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
532	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
533	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
534	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
535	ENDDO
536	nzt_l = nzt_l / 2
537	dx_l = dx_l * 2.0_wp
538	dy_l = dy_l * 2.0_wp
539	ENDDO
540
541	ENDIF
542
543	!
544	!-- 1D-array for large scale subsidence velocity
545	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
546	ALLOCATE ( w_subs(nzb:nzt+1) )
547	w_subs = 0.0_wp
548	ENDIF
549
550	!
551	!-- Arrays to store velocity data from t-dt and the phase speeds which
552	!-- are needed for radiation boundary conditions
553	IF ( bc_radiation_l ) THEN
554	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
555	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
556	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
557	ENDIF
558	IF ( bc_radiation_r ) THEN
559	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
560	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
561	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
562	ENDIF
563	IF ( bc_radiation_l .OR. bc_radiation_r ) THEN
564	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
565	c_w(nzb:nzt+1,nysg:nyng) )
566	ENDIF
567	IF ( bc_radiation_s ) THEN
568	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
569	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
570	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
571	ENDIF
572	IF ( bc_radiation_n ) THEN
573	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
574	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
575	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
576	ENDIF
577	IF ( bc_radiation_s .OR. bc_radiation_n ) THEN
578	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
579	c_w(nzb:nzt+1,nxlg:nxrg) )
580	ENDIF
581	IF ( bc_radiation_l .OR. bc_radiation_r .OR. bc_radiation_s .OR. &
582	bc_radiation_n ) THEN
583	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
584	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
585	ENDIF
586
587	!
588	!-- Initial assignment of the pointers
589	IF ( .NOT. neutral ) THEN
590	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
591	ELSE
592	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
593	ENDIF
594	u => u_1; u_p => u_2; tu_m => u_3
595	v => v_1; v_p => v_2; tv_m => v_3
596	w => w_1; w_p => w_2; tw_m => w_3
597
598	IF ( humidity ) THEN
599	q => q_1; q_p => q_2; tq_m => q_3
600	vpt => vpt_1
601	ENDIF
602
603	IF ( passive_scalar ) THEN
604	s => s_1; s_p => s_2; ts_m => s_3
605	ENDIF
606
607	!
608	!-- Initialize surface arrays
609	CALL init_surface_arrays
610	!
611	!-- Allocate arrays for other modules
612	CALL module_interface_init_arrays
613
614
615	!
616	!-- Allocate arrays containing the RK coefficient for calculation of
617	!-- perturbation pressure and turbulent fluxes. At this point values are
618	!-- set for pressure calculation during initialization (where no timestep
619	!-- is done). Further below the values needed within the timestep scheme
620	!-- will be set.
621	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
622	weight_pres(1:intermediate_timestep_count_max) )
623	weight_substep = 1.0_wp
624	weight_pres = 1.0_wp
625	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
626
627	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'end' )
628
629	!
630	!-- Initialize time series
631	ts_value = 0.0_wp
632
633	!
634	!-- Initialize local summation arrays for routine flow_statistics.
635	!-- This is necessary because they may not yet have been initialized when they
636	!-- are called from flow_statistics (or - depending on the chosen model run -
637	!-- 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
653	!-- on the provided 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
659	!-- set (just after reading), so that this is not necessary here.
660	!-- Depending on the provided level-of-detail, initial Inifor data is
661	!-- either stored on data type (lod=1), or directly on 3D arrays (lod=2).
662	!-- In order to obtain also initial profiles in case of lod=2 (which
663	!-- is required for e.g. 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, &
675	MPI_REAL, MPI_SUM, comm2d, ierr )
676	#else
677	u_init = init_l
678	#endif
679	DEALLOCATE( init_l )
680
681	ENDIF
682
683	IF( init_3d%lod_v == 1 ) THEN
684	v_init = init_3d%v_init
685	ELSEIF( init_3d%lod_v == 2 ) THEN
686	ALLOCATE( init_l(nzb:nzt+1) )
687	DO k = nzb, nzt+1
688	init_l(k) = SUM( v(k,nys:nyn,nxl:nxr) )
689	ENDDO
690	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
691
692	#if defined( __parallel )
693	CALL MPI_ALLREDUCE( init_l, v_init, nzt+1-nzb+1, &
694	MPI_REAL, MPI_SUM, comm2d, ierr )
695	#else
696	v_init = init_l
697	#endif
698	DEALLOCATE( init_l )
699	ENDIF
700	IF( .NOT. neutral ) THEN
701	IF( init_3d%lod_pt == 1 ) THEN
702	pt_init = init_3d%pt_init
703	ELSEIF( init_3d%lod_pt == 2 ) THEN
704	ALLOCATE( init_l(nzb:nzt+1) )
705	DO k = nzb, nzt+1
706	init_l(k) = SUM( pt(k,nys:nyn,nxl:nxr) )
707	ENDDO
708	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
709
710	#if defined( __parallel )
711	CALL MPI_ALLREDUCE( init_l, pt_init, nzt+1-nzb+1, &
712	MPI_REAL, MPI_SUM, comm2d, ierr )
713	#else
714	pt_init = init_l
715	#endif
716	DEALLOCATE( init_l )
717	ENDIF
718	ENDIF
719
720
721	IF( humidity ) THEN
722	IF( init_3d%lod_q == 1 ) THEN
723	q_init = init_3d%q_init
724	ELSEIF( init_3d%lod_q == 2 ) THEN
725	ALLOCATE( init_l(nzb:nzt+1) )
726	DO k = nzb, nzt+1
727	init_l(k) = SUM( q(k,nys:nyn,nxl:nxr) )
728	ENDDO
729	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
730
731	#if defined( __parallel )
732	CALL MPI_ALLREDUCE( init_l, q_init, nzt+1-nzb+1, &
733	MPI_REAL, MPI_SUM, comm2d, ierr )
734	#else
735	q_init = init_l
736	#endif
737	DEALLOCATE( init_l )
738	ENDIF
739	ENDIF
740
741	!
742	!-- Write initial profiles onto 3D arrays.
743	!-- Work-around, 3D initialization of u,v,w creates artificial
744	!-- structures wich correlate with the processor grid. The reason
745	!-- for this is still unknown. To work-around this, 3D initialization
746	!-- will be effectively reduce to a 1D initialization where no such
747	!-- artificial structures appear.
748	DO i = nxlg, nxrg
749	DO j = nysg, nyng
750	IF( init_3d%lod_u == 1 .OR. init_3d%lod_u == 2 ) &
751	u(:,j,i) = u_init(:)
752	IF( init_3d%lod_v == 1 .OR. init_3d%lod_u == 2 ) &
753	v(:,j,i) = v_init(:)
754	IF( .NOT. neutral .AND. &
755	( init_3d%lod_pt == 1 .OR. init_3d%lod_pt == 2 ) ) &
756	pt(:,j,i) = pt_init(:)
757	IF( humidity .AND. &
758	( init_3d%lod_q == 1 .OR. init_3d%lod_q == 2 ) ) &
759	q(:,j,i) = q_init(:)
760	ENDDO
761	ENDDO
762	!
763	!-- Set geostrophic wind components.
764	IF ( init_3d%from_file_ug ) THEN
765	ug(:) = init_3d%ug_init(:)
766	ENDIF
767	IF ( init_3d%from_file_vg ) THEN
768	vg(:) = init_3d%vg_init(:)
769	ENDIF
770	!
771	!-- Set bottom and top boundary condition for geostrophic wind
772	ug(nzt+1) = ug(nzt)
773	vg(nzt+1) = vg(nzt)
774	ug(nzb) = ug(nzb+1)
775	vg(nzb) = vg(nzb+1)
776	!
777	!-- Set inital w to 0
778	w = 0.0_wp
779
780	IF ( passive_scalar ) THEN
781	DO i = nxlg, nxrg
782	DO j = nysg, nyng
783	s(:,j,i) = s_init
784	ENDDO
785	ENDDO
786	ENDIF
787
788	!
789	!-- Set velocity components at non-atmospheric / oceanic grid points to
790	!-- zero.
791	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
792	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
793	w = MERGE( w, 0.0_wp, BTEST( wall_flags_total_0, 3 ) )
794	!
795	!-- Initialize surface variables, e.g. friction velocity, momentum
796	!-- fluxes, etc.
797	CALL init_surfaces
798
799	IF ( debug_output ) CALL debug_message( 'initializing with INIFOR', 'end' )
800	!
801	!-- Initialization via computed 1D-model profiles
802	ELSEIF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
803
804	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'start' )
805	!
806	!-- Use solutions of the 1D model as initial profiles,
807	!-- start 1D model
808	CALL init_1d_model
809	!
810	!-- Transfer initial profiles to the arrays of the 3D model
811	DO i = nxlg, nxrg
812	DO j = nysg, nyng
813	pt(:,j,i) = pt_init
814	u(:,j,i) = u1d
815	v(:,j,i) = v1d
816	ENDDO
817	ENDDO
818
819	IF ( humidity ) THEN
820	DO i = nxlg, nxrg
821	DO j = nysg, nyng
822	q(:,j,i) = q_init
823	ENDDO
824	ENDDO
825	ENDIF
826
827	IF ( passive_scalar ) THEN
828	DO i = nxlg, nxrg
829	DO j = nysg, nyng
830	s(:,j,i) = s_init
831	ENDDO
832	ENDDO
833	ENDIF
834	!
835	!-- Store initial profiles for output purposes etc.
836	IF ( .NOT. constant_diffusion ) THEN
837	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
838	ENDIF
839	!
840	!-- Set velocities back to zero
841	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
842	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
843	!
844	!-- WARNING: The extra boundary conditions set after running the
845	!-- ------- 1D model impose an error on the divergence one layer
846	!-- below the topography; need to correct later
847	!-- ATTENTION: Provisional correction for Piacsek & Williams
848	!-- --------- advection scheme: keep u and v zero one layer below
849	!-- the topography.
850	IF ( ibc_uv_b == 1 ) THEN
851	!
852	!-- Neumann condition
853	DO i = nxl-1, nxr+1
854	DO j = nys-1, nyn+1
855	u(nzb,j,i) = u(nzb+1,j,i)
856	v(nzb,j,i) = v(nzb+1,j,i)
857	ENDDO
858	ENDDO
859
860	ENDIF
861	!
862	!-- Initialize surface variables, e.g. friction velocity, momentum
863	!-- fluxes, etc.
864	CALL init_surfaces
865
866	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'end' )
867
868	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
869	THEN
870
871	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'start' )
872
873	!
874	!-- Use constructed initial profiles (velocity constant with height,
875	!-- temperature profile with constant gradient)
876	DO i = nxlg, nxrg
877	DO j = nysg, nyng
878	pt(:,j,i) = pt_init
879	u(:,j,i) = u_init
880	v(:,j,i) = v_init
881	ENDDO
882	ENDDO
883	!
884	!-- Mask topography
885	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
886	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
887	!
888	!-- Set initial horizontal velocities at the lowest computational grid
889	!-- levels to zero in order to avoid too small time steps caused by the
890	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
891	!-- in the limiting formula!).
892	!-- Please note, in case land- or urban-surface model is used and a
893	!-- spinup is applied, masking the lowest computational level is not
894	!-- possible as MOST as well as energy-balance parametrizations will not
895	!-- work with zero wind velocity.
896	IF ( ibc_uv_b /= 1 .AND. .NOT. spinup ) THEN
897	DO i = nxlg, nxrg
898	DO j = nysg, nyng
899	DO k = nzb, nzt
900	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
901	BTEST( wall_flags_total_0(k,j,i), 20 ) )
902	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
903	BTEST( wall_flags_total_0(k,j,i), 21 ) )
904	ENDDO
905	ENDDO
906	ENDDO
907	ENDIF
908
909	IF ( humidity ) THEN
910	DO i = nxlg, nxrg
911	DO j = nysg, nyng
912	q(:,j,i) = q_init
913	ENDDO
914	ENDDO
915	ENDIF
916
917	IF ( passive_scalar ) THEN
918	DO i = nxlg, nxrg
919	DO j = nysg, nyng
920	s(:,j,i) = s_init
921	ENDDO
922	ENDDO
923	ENDIF
924
925	!
926	!-- Compute initial temperature field and other constants used in case
927	!-- of a sloping surface
928	IF ( sloping_surface ) CALL init_slope
929	!
930	!-- Initialize surface variables, e.g. friction velocity, momentum
931	!-- fluxes, etc.
932	CALL init_surfaces
933
934	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'end' )
935
936	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
937	THEN
938
939	IF ( debug_output ) CALL debug_message( 'initializing by user', 'start' )
940	!
941	!-- Pre-initialize surface variables, i.e. setting start- and end-indices
942	!-- at each (j,i)-location. Please note, this does not supersede
943	!-- user-defined initialization of surface quantities.
944	CALL init_surfaces
945	!
946	!-- Initialization will completely be done by the user
947	CALL user_init_3d_model
948
949	IF ( debug_output ) CALL debug_message( 'initializing by user', 'end' )
950
951	ENDIF
952
953	IF ( debug_output ) CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'start' )
954
955	!
956	!-- Bottom boundary
957	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
958	u(nzb,:,:) = 0.0_wp
959	v(nzb,:,:) = 0.0_wp
960	ENDIF
961
962	!
963	!-- Apply channel flow boundary condition
964	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
965	u(nzt+1,:,:) = 0.0_wp
966	v(nzt+1,:,:) = 0.0_wp
967	ENDIF
968
969	!
970	!-- Calculate virtual potential temperature
971	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
972
973	!
974	!-- Store initial profiles for output purposes etc.. Please note, in case of
975	!-- initialization of u, v, w, pt, and q via output data derived from larger
976	!-- scale models, data will not be horizontally homogeneous. Actually, a mean
977	!-- profile should be calculated before.
978	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
979	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
980	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
981	hom(nzb,1,5,:) = 0.0_wp
982	hom(nzb,1,6,:) = 0.0_wp
983	ENDIF
984	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
985
986	IF ( humidity ) THEN
987	!
988	!-- Store initial profile of total water content, virtual potential
989	!-- temperature
990	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
991	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
992	!
993	!-- Store initial profile of mixing ratio and potential
994	!-- temperature
995	IF ( bulk_cloud_model .OR. cloud_droplets ) THEN
996	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
997	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
998	ENDIF
999	ENDIF
1000
1001	!
1002	!-- Store initial scalar profile
1003	IF ( passive_scalar ) THEN
1004	hom(:,1,121,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
1005	ENDIF
1006
1007	!
1008	!-- Initialize the random number generators (from numerical recipes)
1009	CALL random_function_ini
1010
1011	IF ( random_generator == 'random-parallel' ) THEN
1012	CALL init_parallel_random_generator( nx, nys, nyn, nxl, nxr )
1013	ENDIF
1014	!
1015	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
1016	!-- the reference state will be set (overwritten) in init_ocean)
1017	IF ( use_single_reference_value ) THEN
1018	IF ( .NOT. humidity ) THEN
1019	ref_state(:) = pt_reference
1020	ELSE
1021	ref_state(:) = vpt_reference
1022	ENDIF
1023	ELSE
1024	IF ( .NOT. humidity ) THEN
1025	ref_state(:) = pt_init(:)
1026	ELSE
1027	ref_state(:) = vpt(:,nys,nxl)
1028	ENDIF
1029	ENDIF
1030
1031	!
1032	!-- For the moment, vertical velocity is zero
1033	w = 0.0_wp
1034
1035	!
1036	!-- Initialize array sums (must be defined in first call of pres)
1037	sums = 0.0_wp
1038
1039	!
1040	!-- In case of iterative solvers, p must get an initial value
1041	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1042	!
1043	!-- Impose vortex with vertical axis on the initial velocity profile
1044	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1045	CALL init_rankine
1046	ENDIF
1047
1048	!
1049	!-- Impose temperature anomaly (advection test only) or warm air bubble
1050	!-- close to surface
1051	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 .OR. &
1052	INDEX( initializing_actions, 'initialize_bubble' ) /= 0 ) THEN
1053	CALL init_pt_anomaly
1054	ENDIF
1055
1056	!
1057	!-- If required, change the surface temperature at the start of the 3D run
1058	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1059	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1060	ENDIF
1061
1062	!
1063	!-- If required, change the surface humidity/scalar at the start of the 3D
1064	!-- run
1065	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
1066	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1067
1068	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
1069	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
1070
1071
1072	!
1073	!-- Initialize old and new time levels.
1074	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1075	pt_p = pt; u_p = u; v_p = v; w_p = w
1076
1077	IF ( humidity ) THEN
1078	tq_m = 0.0_wp
1079	q_p = q
1080	ENDIF
1081
1082	IF ( passive_scalar ) THEN
1083	ts_m = 0.0_wp
1084	s_p = s
1085	ENDIF
1086
1087	IF ( debug_output ) CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'end' )
1088
1089	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1090	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1091	THEN
1092
1093	IF ( debug_output ) CALL debug_message( 'initializing in case of restart / cyclic_fill', 'start' )
1094	!
1095	!-- Initialize surface elements and its attributes, e.g. heat- and
1096	!-- momentumfluxes, roughness, scaling parameters. As number of surface
1097	!-- elements might be different between runs, e.g. in case of cyclic fill,
1098	!-- and not all surface elements are read, surface elements need to be
1099	!-- initialized before.
1100	!-- Please note, in case of cyclic fill, surfaces should be initialized
1101	!-- after restart data is read, else, individual settings of surface
1102	!-- parameters will be overwritten from data of precursor run, hence,
1103	!-- init_surfaces is called a second time after reading the restart data.
1104	CALL init_surfaces
1105	!
1106	!-- When reading data for cyclic fill of 3D prerun data files, read
1107	!-- some of the global variables from the restart file which are required
1108	!-- for initializing the inflow
1109	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1110
1111	DO i = 0, io_blocks-1
1112	IF ( i == io_group ) THEN
1113	CALL rrd_read_parts_of_global
1114	ENDIF
1115	#if defined( __parallel )
1116	CALL MPI_BARRIER( comm2d, ierr )
1117	#endif
1118	ENDDO
1119
1120	ENDIF
1121
1122	!
1123	!-- Read processor specific binary data from restart file
1124	DO i = 0, io_blocks-1
1125	IF ( i == io_group ) THEN
1126	CALL rrd_local
1127	ENDIF
1128	#if defined( __parallel )
1129	CALL MPI_BARRIER( comm2d, ierr )
1130	#endif
1131	ENDDO
1132
1133
1134	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1135
1136	!
1137	!-- In case of cyclic fill, call init_surfaces a second time, so that
1138	!-- surface properties such as heat fluxes are initialized as prescribed.
1139	CALL init_surfaces
1140
1141	!
1142	!-- Overwrite u_init, v_init, pt_init, q_init and s_init with the
1143	!-- horizontally mean (hom) vertical profiles from the end
1144	!-- of the prerun, because these profiles shall be used as the reference
1145	!-- state for the rayleigh damping and the pt_damping. This is especially
1146	!-- important for the use of large_scale_subsidence, because the
1147	!-- reference temperature in the free atmosphere changes in time.
1148	u_init(:) = hom_sum(:,1,0)
1149	v_init(:) = hom_sum(:,2,0)
1150	pt_init(:) = hom_sum(:,4,0)
1151	IF ( humidity ) &
1152	q_init(:) = hom_sum(:,41,0)
1153	IF ( passive_scalar ) &
1154	s_init(:) = hom_sum(:,115,0)
1155	ENDIF
1156	!
1157	!-- In case of complex terrain and cyclic fill method as initialization,
1158	!-- shift initial data in the vertical direction for each point in the
1159	!-- x-y-plane depending on local surface height
1160	IF ( complex_terrain .AND. &
1161	TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1162	DO i = nxlg, nxrg
1163	DO j = nysg, nyng
1164	nz_u_shift = topo_top_ind(j,i,1)
1165	nz_v_shift = topo_top_ind(j,i,2)
1166	nz_w_shift = topo_top_ind(j,i,3)
1167	nz_s_shift = topo_top_ind(j,i,0)
1168
1169	u(nz_u_shift:nzt+1,j,i) = u(0:nzt+1-nz_u_shift,j,i)
1170
1171	v(nz_v_shift:nzt+1,j,i) = v(0:nzt+1-nz_v_shift,j,i)
1172
1173	w(nz_w_shift:nzt+1,j,i) = w(0:nzt+1-nz_w_shift,j,i)
1174
1175	p(nz_s_shift:nzt+1,j,i) = p(0:nzt+1-nz_s_shift,j,i)
1176	pt(nz_s_shift:nzt+1,j,i) = pt(0:nzt+1-nz_s_shift,j,i)
1177	ENDDO
1178	ENDDO
1179	ENDIF
1180	!
1181	!-- Initialization of the turbulence recycling method
1182	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1183	turbulent_inflow ) THEN
1184	!
1185	!-- First store the profiles to be used at the inflow.
1186	!-- These profiles are the (temporally) and horizontally averaged vertical
1187	!-- profiles from the prerun. Alternatively, prescribed profiles
1188	!-- for u,v-components can be used.
1189	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,1:num_mean_inflow_profiles) )
1190
1191	IF ( use_prescribed_profile_data ) THEN
1192	mean_inflow_profiles(:,1) = u_init ! u
1193	mean_inflow_profiles(:,2) = v_init ! v
1194	ELSE
1195	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1196	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1197	ENDIF
1198	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1199	IF ( humidity ) &
1200	mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1201	IF ( passive_scalar ) &
1202	mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
1203
1204	!
1205	!-- In case of complex terrain, determine vertical displacement at inflow
1206	!-- boundary and adjust mean inflow profiles
1207	IF ( complex_terrain ) THEN
1208	IF ( nxlg <= 0 .AND. nxrg >= 0 .AND. nysg <= 0 .AND. nyng >= 0 ) THEN
1209	nz_u_shift_l = topo_top_ind(j,i,1)
1210	nz_v_shift_l = topo_top_ind(j,i,2)
1211	nz_w_shift_l = topo_top_ind(j,i,3)
1212	nz_s_shift_l = topo_top_ind(j,i,0)
1213	ELSE
1214	nz_u_shift_l = 0
1215	nz_v_shift_l = 0
1216	nz_w_shift_l = 0
1217	nz_s_shift_l = 0
1218	ENDIF
1219
1220	#if defined( __parallel )
1221	CALL MPI_ALLREDUCE(nz_u_shift_l, nz_u_shift, 1, MPI_INTEGER, &
1222	MPI_MAX, comm2d, ierr)
1223	CALL MPI_ALLREDUCE(nz_v_shift_l, nz_v_shift, 1, MPI_INTEGER, &
1224	MPI_MAX, comm2d, ierr)
1225	CALL MPI_ALLREDUCE(nz_w_shift_l, nz_w_shift, 1, MPI_INTEGER, &
1226	MPI_MAX, comm2d, ierr)
1227	CALL MPI_ALLREDUCE(nz_s_shift_l, nz_s_shift, 1, MPI_INTEGER, &
1228	MPI_MAX, comm2d, ierr)
1229	#else
1230	nz_u_shift = nz_u_shift_l
1231	nz_v_shift = nz_v_shift_l
1232	nz_w_shift = nz_w_shift_l
1233	nz_s_shift = nz_s_shift_l
1234	#endif
1235
1236	mean_inflow_profiles(:,1) = 0.0_wp
1237	mean_inflow_profiles(nz_u_shift:nzt+1,1) = hom_sum(0:nzt+1-nz_u_shift,1,0) ! u
1238
1239	mean_inflow_profiles(:,2) = 0.0_wp
1240	mean_inflow_profiles(nz_v_shift:nzt+1,2) = hom_sum(0:nzt+1-nz_v_shift,2,0) ! v
1241
1242	mean_inflow_profiles(nz_s_shift:nzt+1,4) = hom_sum(0:nzt+1-nz_s_shift,4,0) ! pt
1243
1244	ENDIF
1245
1246	!
1247	!-- If necessary, adjust the horizontal flow field to the prescribed
1248	!-- profiles
1249	IF ( use_prescribed_profile_data ) THEN
1250	DO i = nxlg, nxrg
1251	DO j = nysg, nyng
1252	DO k = nzb, nzt+1
1253	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1254	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1255	ENDDO
1256	ENDDO
1257	ENDDO
1258	ENDIF
1259
1260	!
1261	!-- Use these mean profiles at the inflow (provided that Dirichlet
1262	!-- conditions are used)
1263	IF ( bc_dirichlet_l ) THEN
1264	DO j = nysg, nyng
1265	DO k = nzb, nzt+1
1266	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1267	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1268	w(k,j,nxlg:-1) = 0.0_wp
1269	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1270	IF ( humidity ) &
1271	q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1272	IF ( passive_scalar ) &
1273	s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
1274	ENDDO
1275	ENDDO
1276	ENDIF
1277
1278	!
1279	!-- Calculate the damping factors to be used at the inflow. For a
1280	!-- turbulent inflow the turbulent fluctuations have to be limited
1281	!-- vertically because otherwise the turbulent inflow layer will grow
1282	!-- in time.
1283	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1284	!
1285	!-- Default: use the inversion height calculated by the prerun; if
1286	!-- this is zero, inflow_damping_height must be explicitly
1287	!-- specified.
1288	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1289	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1290	ELSE
1291	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1292	'explicitly specified because&the inversion height ', &
1293	'calculated by the prerun is zero.'
1294	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1295	ENDIF
1296
1297	ENDIF
1298
1299	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1300	!
1301	!-- Default for the transition range: one tenth of the undamped
1302	!-- layer
1303	inflow_damping_width = 0.1_wp * inflow_damping_height
1304
1305	ENDIF
1306
1307	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1308
1309	DO k = nzb, nzt+1
1310
1311	IF ( zu(k) <= inflow_damping_height ) THEN
1312	inflow_damping_factor(k) = 1.0_wp
1313	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1314	inflow_damping_factor(k) = 1.0_wp - &
1315	( zu(k) - inflow_damping_height ) / &
1316	inflow_damping_width
1317	ELSE
1318	inflow_damping_factor(k) = 0.0_wp
1319	ENDIF
1320
1321	ENDDO
1322
1323	ENDIF
1324
1325	!
1326	!-- Inside buildings set velocities back to zero
1327	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1328	topography /= 'flat' ) THEN
1329	!
1330	!-- Inside buildings set velocities back to zero.
1331	!-- Other scalars (pt, q, s, p, sa, ...) are ignored at present,
1332	!-- maybe revise later.
1333	DO i = nxlg, nxrg
1334	DO j = nysg, nyng
1335	DO k = nzb, nzt
1336	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, &
1337	BTEST( wall_flags_total_0(k,j,i), 1 ) )
1338	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, &
1339	BTEST( wall_flags_total_0(k,j,i), 2 ) )
1340	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, &
1341	BTEST( wall_flags_total_0(k,j,i), 3 ) )
1342	ENDDO
1343	ENDDO
1344	ENDDO
1345
1346	ENDIF
1347
1348	!
1349	!-- Calculate initial temperature field and other constants used in case
1350	!-- of a sloping surface
1351	IF ( sloping_surface ) CALL init_slope
1352
1353	!
1354	!-- Initialize new time levels (only done in order to set boundary values
1355	!-- including ghost points)
1356	pt_p = pt; u_p = u; v_p = v; w_p = w
1357	IF ( humidity ) THEN
1358	q_p = q
1359	ENDIF
1360	IF ( passive_scalar ) s_p = s
1361	!
1362	!-- Allthough tendency arrays are set in prognostic_equations, they have
1363	!-- have to be predefined here because they are used (but multiplied with 0)
1364	!-- there before they are set.
1365	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1366	IF ( humidity ) THEN
1367	tq_m = 0.0_wp
1368	ENDIF
1369	IF ( passive_scalar ) ts_m = 0.0_wp
1370
1371	IF ( debug_output ) CALL debug_message( 'initializing in case of restart / cyclic_fill', 'end' )
1372
1373	ELSE
1374	!
1375	!-- Actually this part of the programm should not be reached
1376	message_string = 'unknown initializing problem'
1377	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1378	ENDIF
1379
1380
1381	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1382	!
1383	!-- Initialize old timelevels needed for radiation boundary conditions
1384	IF ( bc_radiation_l ) THEN
1385	u_m_l(:,:,:) = u(:,:,1:2)
1386	v_m_l(:,:,:) = v(:,:,0:1)
1387	w_m_l(:,:,:) = w(:,:,0:1)
1388	ENDIF
1389	IF ( bc_radiation_r ) THEN
1390	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1391	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1392	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1393	ENDIF
1394	IF ( bc_radiation_s ) THEN
1395	u_m_s(:,:,:) = u(:,0:1,:)
1396	v_m_s(:,:,:) = v(:,1:2,:)
1397	w_m_s(:,:,:) = w(:,0:1,:)
1398	ENDIF
1399	IF ( bc_radiation_n ) THEN
1400	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1401	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1402	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1403	ENDIF
1404
1405	ENDIF
1406
1407	!
1408	!-- Calculate the initial volume flow at the right and north boundary
1409	IF ( conserve_volume_flow ) THEN
1410
1411	IF ( use_prescribed_profile_data ) 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	u_init(k) * dzw(k) &
1421	* MERGE( 1.0_wp, 0.0_wp, &
1422	BTEST( wall_flags_total_0(k,j,nxr), 1 )&
1423	)
1424
1425	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1426	* MERGE( 1.0_wp, 0.0_wp, &
1427	BTEST( wall_flags_total_0(k,j,nxr), 1 )&
1428	)
1429	ENDDO
1430	ENDDO
1431	ENDIF
1432
1433	IF ( nyn == ny ) THEN
1434	DO i = nxl, nxr
1435	DO k = nzb+1, nzt
1436	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1437	v_init(k) * dzw(k) &
1438	* MERGE( 1.0_wp, 0.0_wp, &
1439	BTEST( wall_flags_total_0(k,nyn,i), 2 )&
1440	)
1441	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1442	* MERGE( 1.0_wp, 0.0_wp, &
1443	BTEST( wall_flags_total_0(k,nyn,i), 2 )&
1444	)
1445	ENDDO
1446	ENDDO
1447	ENDIF
1448
1449	#if defined( __parallel )
1450	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1451	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1452	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1453	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1454
1455	#else
1456	volume_flow_initial = volume_flow_initial_l
1457	volume_flow_area = volume_flow_area_l
1458	#endif
1459
1460	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1461
1462	volume_flow_initial_l = 0.0_wp
1463	volume_flow_area_l = 0.0_wp
1464
1465	IF ( nxr == nx ) THEN
1466	DO j = nys, nyn
1467	DO k = nzb+1, nzt
1468	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1469	hom_sum(k,1,0) * dzw(k) &
1470	* MERGE( 1.0_wp, 0.0_wp, &
1471	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1472	)
1473	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1474	* MERGE( 1.0_wp, 0.0_wp, &
1475	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1476	)
1477	ENDDO
1478	ENDDO
1479	ENDIF
1480
1481	IF ( nyn == ny ) THEN
1482	DO i = nxl, nxr
1483	DO k = nzb+1, nzt
1484	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1485	hom_sum(k,2,0) * dzw(k) &
1486	* MERGE( 1.0_wp, 0.0_wp, &
1487	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1488	)
1489	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1490	* MERGE( 1.0_wp, 0.0_wp, &
1491	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1492	)
1493	ENDDO
1494	ENDDO
1495	ENDIF
1496
1497	#if defined( __parallel )
1498	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1499	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1500	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1501	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1502
1503	#else
1504	volume_flow_initial = volume_flow_initial_l
1505	volume_flow_area = volume_flow_area_l
1506	#endif
1507
1508	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1509
1510	volume_flow_initial_l = 0.0_wp
1511	volume_flow_area_l = 0.0_wp
1512
1513	IF ( nxr == nx ) THEN
1514	DO j = nys, nyn
1515	DO k = nzb+1, nzt
1516	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1517	u(k,j,nx) * dzw(k) &
1518	* MERGE( 1.0_wp, 0.0_wp, &
1519	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1520	)
1521	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1522	* MERGE( 1.0_wp, 0.0_wp, &
1523	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1524	)
1525	ENDDO
1526	ENDDO
1527	ENDIF
1528
1529	IF ( nyn == ny ) THEN
1530	DO i = nxl, nxr
1531	DO k = nzb+1, nzt
1532	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1533	v(k,ny,i) * dzw(k) &
1534	* MERGE( 1.0_wp, 0.0_wp, &
1535	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1536	)
1537	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1538	* MERGE( 1.0_wp, 0.0_wp, &
1539	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1540	)
1541	ENDDO
1542	ENDDO
1543	ENDIF
1544
1545	#if defined( __parallel )
1546	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1547	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1548	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1549	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1550
1551	#else
1552	volume_flow_initial = volume_flow_initial_l
1553	volume_flow_area = volume_flow_area_l
1554	#endif
1555
1556	ENDIF
1557
1558	!
1559	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
1560	!-- from u\|v_bulk instead
1561	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1562	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1563	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1564	ENDIF
1565
1566	ENDIF
1567	!
1568	!-- In the following, surface properties can be further initialized with
1569	!-- input from static driver file.
1570	!-- At the moment this affects only default surfaces. For example,
1571	!-- roughness length or sensible / latent heat fluxes can be initialized
1572	!-- heterogeneously for default surfaces. Therefore, a generic routine
1573	!-- from netcdf_data_input_mod is called to read a 2D array.
1574	IF ( input_pids_static ) THEN
1575	!
1576	!-- Allocate memory for possible static input
1577	ALLOCATE( tmp_2d%var(nys:nyn,nxl:nxr) )
1578	tmp_2d%var = 0.0_wp
1579	!
1580	!-- Open the static input file
1581	#if defined( __netcdf )
1582	CALL open_read_file( TRIM( input_file_static ) // &
1583	TRIM( coupling_char ), &
1584	pids_id )
1585
1586	CALL inquire_num_variables( pids_id, num_var_pids )
1587	!
1588	!-- Allocate memory to store variable names and read them
1589	ALLOCATE( vars_pids(1:num_var_pids) )
1590	CALL inquire_variable_names( pids_id, vars_pids )
1591	!
1592	!-- Input roughness length.
1593	IF ( check_existence( vars_pids, 'z0' ) ) THEN
1594	!
1595	!-- Read _FillValue attribute
1596	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
1597	.FALSE., 'z0' )
1598	!
1599	!-- Read variable
1600	CALL get_variable( pids_id, 'z0', tmp_2d%var, &
1601	nxl, nxr, nys, nyn )
1602	!
1603	!-- Initialize roughness length. Note, z0 will be only initialized at
1604	!-- default-type surfaces. At natural or urban z0 is implicitly
1605	!-- initialized by the respective parameter lists.
1606	!-- Initialize horizontal surface elements.
1607	CALL init_single_surface_properties( surf_def_h(0)%z0, &
1608	tmp_2d%var, &
1609	surf_def_h(0)%ns, &
1610	tmp_2d%fill, &
1611	surf_def_h(0)%i, &
1612	surf_def_h(0)%j )
1613	!
1614	!-- Initialize roughness also at vertical surface elements.
1615	!-- Note, the actual 2D input arrays are only defined on the
1616	!-- subdomain. Therefore, pass the index arrays with their respective
1617	!-- offset values.
1618	DO l = 0, 3
1619	CALL init_single_surface_properties( &
1620	surf_def_v(l)%z0, &
1621	tmp_2d%var, &
1622	surf_def_v(l)%ns, &
1623	tmp_2d%fill, &
1624	surf_def_v(l)%i + surf_def_v(l)%ioff, &
1625	surf_def_v(l)%j + surf_def_v(l)%joff )
1626	ENDDO
1627
1628	ENDIF
1629	!
1630	!-- Input surface sensible heat flux.
1631	IF ( check_existence( vars_pids, 'shf' ) ) THEN
1632	!
1633	!-- Read _FillValue attribute
1634	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
1635	.FALSE., 'shf' )
1636	!
1637	!-- Read variable
1638	CALL get_variable( pids_id, 'shf', tmp_2d%var, &
1639	nxl, nxr, nys, nyn )
1640	!
1641	!-- Initialize heat flux. Note, shf will be only initialized at
1642	!-- default-type surfaces. At natural or urban shf is implicitly
1643	!-- initialized by the respective parameter lists.
1644	!-- Initialize horizontal surface elements.
1645	CALL init_single_surface_properties( surf_def_h(0)%shf, &
1646	tmp_2d%var, &
1647	surf_def_h(0)%ns, &
1648	tmp_2d%fill, &
1649	surf_def_h(0)%i, &
1650	surf_def_h(0)%j )
1651	!
1652	!-- Initialize heat flux also at vertical surface elements.
1653	!-- Note, the actual 2D input arrays are only defined on the
1654	!-- subdomain. Therefore, pass the index arrays with their respective
1655	!-- offset values.
1656	DO l = 0, 3
1657	CALL init_single_surface_properties( &
1658	surf_def_v(l)%shf, &
1659	tmp_2d%var, &
1660	surf_def_v(l)%ns, &
1661	tmp_2d%fill, &
1662	surf_def_v(l)%i + surf_def_v(l)%ioff, &
1663	surf_def_v(l)%j + surf_def_v(l)%joff )
1664	ENDDO
1665
1666	ENDIF
1667	!
1668	!-- Input surface sensible heat flux.
1669	IF ( check_existence( vars_pids, 'qsws' ) ) THEN
1670	!
1671	!-- Read _FillValue attribute
1672	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
1673	.FALSE., 'qsws' )
1674	!
1675	!-- Read variable
1676	CALL get_variable( pids_id, 'qsws', tmp_2d%var, &
1677	nxl, nxr, nys, nyn )
1678	!
1679	!-- Initialize latent heat flux. Note, qsws will be only initialized at
1680	!-- default-type surfaces. At natural or urban qsws is implicitly
1681	!-- initialized by the respective parameter lists.
1682	!-- Initialize horizontal surface elements.
1683	CALL init_single_surface_properties( surf_def_h(0)%qsws, &
1684	tmp_2d%var, &
1685	surf_def_h(0)%ns, &
1686	tmp_2d%fill, &
1687	surf_def_h(0)%i, &
1688	surf_def_h(0)%j )
1689	!
1690	!-- Initialize latent heat flux also at vertical surface elements.
1691	!-- Note, the actual 2D input arrays are only defined on the
1692	!-- subdomain. Therefore, pass the index arrays with their respective
1693	!-- offset values.
1694	DO l = 0, 3
1695	CALL init_single_surface_properties( &
1696	surf_def_v(l)%qsws, &
1697	tmp_2d%var, &
1698	surf_def_v(l)%ns, &
1699	tmp_2d%fill, &
1700	surf_def_v(l)%i + surf_def_v(l)%ioff, &
1701	surf_def_v(l)%j + surf_def_v(l)%joff )
1702	ENDDO
1703
1704	ENDIF
1705	!
1706	!-- Additional variables, can be initialized the
1707	!-- same way.
1708
1709	!
1710	!-- Finally, close the input file and deallocate temporary arrays
1711	DEALLOCATE( vars_pids )
1712
1713	CALL close_input_file( pids_id )
1714	#endif
1715	DEALLOCATE( tmp_2d%var )
1716	ENDIF
1717	!
1718	!-- Finally, if random_heatflux is set, disturb shf at horizontal
1719	!-- surfaces. Actually, this should be done in surface_mod, where all other
1720	!-- initializations of surface quantities are done. However, this
1721	!-- would create a ring dependency, hence, it is done here. Maybe delete
1722	!-- disturb_heatflux and tranfer the respective code directly into the
1723	!-- initialization in surface_mod.
1724	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1725	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1726
1727	IF ( use_surface_fluxes .AND. constant_heatflux .AND. &
1728	random_heatflux ) THEN
1729	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
1730	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
1731	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
1732	ENDIF
1733	ENDIF
1734
1735	!
1736	!-- Compute total sum of grid points and the mean surface level height for each
1737	!-- statistic region. These are mainly used for horizontal averaging of
1738	!-- turbulence statistics.
1739	!-- ngp_2dh: number of grid points of a horizontal cross section through the
1740	!-- respective statistic region
1741	!-- ngp_3d: number of grid points of the respective statistic region
1742	ngp_2dh_outer_l = 0
1743	ngp_2dh_outer = 0
1744	ngp_2dh_s_inner_l = 0
1745	ngp_2dh_s_inner = 0
1746	ngp_2dh_l = 0
1747	ngp_2dh = 0
1748	ngp_3d_inner_l = 0.0_wp
1749	ngp_3d_inner = 0
1750	ngp_3d = 0
1751	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
1752
1753	mean_surface_level_height = 0.0_wp
1754	mean_surface_level_height_l = 0.0_wp
1755	!
1756	!-- To do: New concept for these non-topography grid points!
1757	DO sr = 0, statistic_regions
1758	DO i = nxl, nxr
1759	DO j = nys, nyn
1760	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
1761	!
1762	!-- All xy-grid points
1763	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
1764	!
1765	!-- Determine mean surface-level height. In case of downward-
1766	!-- facing walls are present, more than one surface level exist.
1767	!-- In this case, use the lowest surface-level height.
1768	IF ( surf_def_h(0)%start_index(j,i) <= &
1769	surf_def_h(0)%end_index(j,i) ) THEN
1770	m = surf_def_h(0)%start_index(j,i)
1771	k = surf_def_h(0)%k(m)
1772	mean_surface_level_height_l(sr) = &
1773	mean_surface_level_height_l(sr) + zw(k-1)
1774	ENDIF
1775	IF ( surf_lsm_h%start_index(j,i) <= &
1776	surf_lsm_h%end_index(j,i) ) THEN
1777	m = surf_lsm_h%start_index(j,i)
1778	k = surf_lsm_h%k(m)
1779	mean_surface_level_height_l(sr) = &
1780	mean_surface_level_height_l(sr) + zw(k-1)
1781	ENDIF
1782	IF ( surf_usm_h%start_index(j,i) <= &
1783	surf_usm_h%end_index(j,i) ) THEN
1784	m = surf_usm_h%start_index(j,i)
1785	k = surf_usm_h%k(m)
1786	mean_surface_level_height_l(sr) = &
1787	mean_surface_level_height_l(sr) + zw(k-1)
1788	ENDIF
1789
1790	k_surf = k - 1
1791
1792	DO k = nzb, nzt+1
1793	!
1794	!-- xy-grid points above topography
1795	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
1796	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 24 ) )
1797
1798	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
1799	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 22 ) )
1800
1801	ENDDO
1802	!
1803	!-- All grid points of the total domain above topography
1804	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
1805
1806
1807
1808	ENDIF
1809	ENDDO
1810	ENDDO
1811	ENDDO
1812
1813	sr = statistic_regions + 1
1814	#if defined( __parallel )
1815	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1816	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
1817	comm2d, ierr )
1818	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1819	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
1820	MPI_INTEGER, MPI_SUM, comm2d, ierr )
1821	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1822	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
1823	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
1824	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1825	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
1826	MPI_SUM, comm2d, ierr )
1827	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
1828	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1829	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), &
1830	mean_surface_level_height(0), sr, MPI_REAL, &
1831	MPI_SUM, comm2d, ierr )
1832	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
1833	#else
1834	ngp_2dh = ngp_2dh_l
1835	ngp_2dh_outer = ngp_2dh_outer_l
1836	ngp_2dh_s_inner = ngp_2dh_s_inner_l
1837	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
1838	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
1839	#endif
1840
1841	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
1842	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
1843
1844	!
1845	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
1846	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
1847	!-- the respective subdomain lie below the surface topography
1848	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
1849	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
1850	ngp_3d_inner(:) )
1851	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
1852
1853	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, &
1854	ngp_3d_inner_l, ngp_3d_inner_tmp )
1855	!
1856	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
1857	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
1858	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1859	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
1860	CALL ls_forcing_surf ( simulated_time )
1861	ENDIF
1862	ENDIF
1863	!
1864	!-- Initializae 3D offline nesting in COSMO model and read data from
1865	!-- external NetCDF file.
1866	IF ( nesting_offline ) CALL nesting_offl_init
1867	!
1868	!-- Initialize quantities for special advections schemes
1869	CALL init_advec
1870
1871	!
1872	!-- Impose random perturbation on the horizontal velocity field and then
1873	!-- remove the divergences from the velocity field at the initial stage
1874	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1875	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1876	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1877
1878	IF ( debug_output ) CALL debug_message( 'creating disturbances + applying pressure solver', 'start' )
1879	!
1880	!-- Needed for both disturb_field and pres
1881	!$ACC DATA &
1882	!$ACC CREATE(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1883	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1884	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
1885
1886	CALL disturb_field( 'u', tend, u )
1887	CALL disturb_field( 'v', tend, v )
1888
1889	!$ACC DATA &
1890	!$ACC CREATE(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
1891	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1892	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1893	!$ACC COPYIN(rho_air(nzb:nzt+1), rho_air_zw(nzb:nzt+1)) &
1894	!$ACC COPYIN(ddzu(1:nzt+1), ddzw(1:nzt+1)) &
1895	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1896	!$ACC COPYIN(bc_h(0:1)) &
1897	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
1898	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
1899	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
1900	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
1901	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
1902	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
1903
1904	n_sor = nsor_ini
1905	CALL pres
1906	n_sor = nsor
1907
1908	!$ACC END DATA
1909	!$ACC END DATA
1910
1911	IF ( debug_output ) CALL debug_message( 'creating disturbances + applying pressure solver', 'end' )
1912
1913	ENDIF
1914
1915	IF ( .NOT. ocean_mode ) THEN
1916
1917	ALLOCATE( hyp(nzb:nzt+1) )
1918	ALLOCATE( d_exner(nzb:nzt+1) )
1919	ALLOCATE( exner(nzb:nzt+1) )
1920	ALLOCATE( hyrho(nzb:nzt+1) )
1921	!
1922	!-- Check temperature in case of too large domain height
1923	DO k = nzb, nzt+1
1924	IF ( ( pt_surface * exner_function(surface_pressure * 100.0_wp) - g/c_p * zu(k) ) < 0.0_wp ) THEN
1925	WRITE( message_string, * ) 'absolute temperature < 0.0 at zu(', k, &
1926	') = ', zu(k)
1927	CALL message( 'init_3d_model', 'PA0142', 1, 2, 0, 6, 0 )
1928	ENDIF
1929	ENDDO
1930
1931	!
1932	!-- Calculate vertical profile of the hydrostatic pressure (hyp)
1933	hyp = barometric_formula(zu, pt_surface * exner_function(surface_pressure * 100.0_wp), surface_pressure * 100.0_wp)
1934	d_exner = exner_function_invers(hyp)
1935	exner = 1.0_wp / exner_function_invers(hyp)
1936	hyrho = ideal_gas_law_rho_pt(hyp, pt_init)
1937	!
1938	!-- Compute reference density
1939	rho_surface = ideal_gas_law_rho(surface_pressure * 100.0_wp, pt_surface * exner_function(surface_pressure * 100.0_wp))
1940
1941	ENDIF
1942
1943	!
1944	!-- If required, initialize particles
1945	IF ( agents_active ) CALL mas_init
1946	!
1947	!-- Initialization of synthetic turbulence generator
1948	IF ( use_syn_turb_gen ) CALL stg_init
1949	!
1950	!-- Initializing actions for all other modules
1951	CALL module_interface_init
1952	!
1953	!-- Initialize surface layer (done after LSM as roughness length are required
1954	!-- for initialization
1955	IF ( constant_flux_layer ) CALL init_surface_layer_fluxes
1956	!
1957	!-- Initialize surface data output
1958	IF ( surface_output ) CALL surface_data_output_init
1959	!
1960	!-- Initialize the ws-scheme.
1961	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1962	!
1963	!-- Perform post-initializing checks for all other modules
1964	CALL module_interface_init_checks
1965
1966	!
1967	!-- Setting weighting factors for calculation of perturbation pressure
1968	!-- and turbulent quantities from the RK substeps
1969	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
1970
1971	weight_substep(1) = 1._wp/6._wp
1972	weight_substep(2) = 3._wp/10._wp
1973	weight_substep(3) = 8._wp/15._wp
1974
1975	weight_pres(1) = 1._wp/3._wp
1976	weight_pres(2) = 5._wp/12._wp
1977	weight_pres(3) = 1._wp/4._wp
1978
1979	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
1980
1981	weight_substep(1) = 1._wp/2._wp
1982	weight_substep(2) = 1._wp/2._wp
1983
1984	weight_pres(1) = 1._wp/2._wp
1985	weight_pres(2) = 1._wp/2._wp
1986
1987	ELSE ! for Euler-method
1988
1989	weight_substep(1) = 1.0_wp
1990	weight_pres(1) = 1.0_wp
1991
1992	ENDIF
1993
1994	!
1995	!-- Initialize Rayleigh damping factors
1996	rdf = 0.0_wp
1997	rdf_sc = 0.0_wp
1998	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1999
2000	IF ( .NOT. ocean_mode ) THEN
2001	DO k = nzb+1, nzt
2002	IF ( zu(k) >= rayleigh_damping_height ) THEN
2003	rdf(k) = rayleigh_damping_factor * &
2004	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
2005	/ ( zu(nzt) - rayleigh_damping_height ) ) &
2006	)**2
2007	ENDIF
2008	ENDDO
2009	ELSE
2010	!
2011	!-- In ocean mode, rayleigh damping is applied in the lower part of the
2012	!-- model domain
2013	DO k = nzt, nzb+1, -1
2014	IF ( zu(k) <= rayleigh_damping_height ) THEN
2015	rdf(k) = rayleigh_damping_factor * &
2016	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
2017	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
2018	)**2
2019	ENDIF
2020	ENDDO
2021	ENDIF
2022
2023	ENDIF
2024	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
2025
2026	!
2027	!-- Initialize the starting level and the vertical smoothing factor used for
2028	!-- the external pressure gradient
2029	dp_smooth_factor = 1.0_wp
2030	IF ( dp_external ) THEN
2031	!
2032	!-- Set the starting level dp_level_ind_b only if it has not been set before
2033	!-- (e.g. in init_grid).
2034	IF ( dp_level_ind_b == 0 ) THEN
2035	ind_array = MINLOC( ABS( dp_level_b - zu ) )
2036	dp_level_ind_b = ind_array(1) - 1 + nzb
2037	! MINLOC uses lower array bound 1
2038	ENDIF
2039	IF ( dp_smooth ) THEN
2040	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
2041	DO k = dp_level_ind_b+1, nzt
2042	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
2043	( REAL( k - dp_level_ind_b, KIND=wp ) / &
2044	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
2045	ENDDO
2046	ENDIF
2047	ENDIF
2048
2049	!
2050	!-- Initialize damping zone for the potential temperature in case of
2051	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
2052	!-- at the inflow boundary and decreases to zero at pt_damping_width.
2053	ptdf_x = 0.0_wp
2054	ptdf_y = 0.0_wp
2055	IF ( bc_lr_dirrad ) THEN
2056	DO i = nxl, nxr
2057	IF ( ( i * dx ) < pt_damping_width ) THEN
2058	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
2059	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
2060	REAL( pt_damping_width, KIND=wp ) ) ) )**2
2061	ENDIF
2062	ENDDO
2063	ELSEIF ( bc_lr_raddir ) THEN
2064	DO i = nxl, nxr
2065	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
2066	ptdf_x(i) = pt_damping_factor * &
2067	SIN( pi * 0.5_wp * &
2068	( ( i - nx ) * dx + pt_damping_width ) / &
2069	REAL( pt_damping_width, KIND=wp ) )**2
2070	ENDIF
2071	ENDDO
2072	ELSEIF ( bc_ns_dirrad ) THEN
2073	DO j = nys, nyn
2074	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
2075	ptdf_y(j) = pt_damping_factor * &
2076	SIN( pi * 0.5_wp * &
2077	( ( j - ny ) * dy + pt_damping_width ) / &
2078	REAL( pt_damping_width, KIND=wp ) )**2
2079	ENDIF
2080	ENDDO
2081	ELSEIF ( bc_ns_raddir ) THEN
2082	DO j = nys, nyn
2083	IF ( ( j * dy ) < pt_damping_width ) THEN
2084	ptdf_y(j) = pt_damping_factor * &
2085	SIN( pi * 0.5_wp * &
2086	( pt_damping_width - j * dy ) / &
2087	REAL( pt_damping_width, KIND=wp ) )**2
2088	ENDIF
2089	ENDDO
2090	ENDIF
2091
2092	!
2093	!-- Input binary data file is not needed anymore. This line must be placed
2094	!-- after call of user_init!
2095	CALL close_file( 13 )
2096	!
2097	!-- In case of nesting, put an barrier to assure that all parent and child
2098	!-- domains finished initialization.
2099	#if defined( __parallel )
2100	IF ( nested_run ) CALL MPI_BARRIER( MPI_COMM_WORLD, ierr )
2101	#endif
2102
2103
2104	CALL location_message( 'model initialization', 'finished' )
2105
2106	END SUBROUTINE init_3d_model

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source: palm/trunk/SOURCE/init_3d_model.f90 @ 4526

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