Home

Context Navigation

init_3d_model.f90 @ 4790

Last change on this file since 4790 was 4783, checked in by raasch, 4 years ago

bugfix for reading restart data with MPI-I/O (does not work with blockwise I/O); missed revision comments from previous commit added

Property svn:keywords set to Id

Property svn:mergeinfo set to (toggle deleted branches)

/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: 85.5 KB

Line
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 4783 2020-11-13 13:58:45Z eckhard $
26	! bugfix for reading restart data with MPI-I/O (does not work with blockwise I/O)
27	!
28	! 4680 2020-09-16 10:20:34Z gronemeier
29	! Add option to fix date or time of the simulation
30	!
31	! 4671 2020-09-09 20:27:58Z pavelkrc
32	! Implementation of downward facing USM and LSM surfaces
33	!
34	! 4648 2020-08-25 07:52:08Z raasch
35	! file re-formatted to follow the PALM coding standard
36	!
37	! 4548 2020-05-28 19:36:45Z suehring
38	! Bugfix, move call for lsf_forcing_surf after lsf_init is called
39	!
40	! 4514 2020-04-30 16:29:59Z suehring
41	! Add possibility to initialize surface sensible and latent heat fluxes via a static driver.
42	!
43	! 4493 2020-04-10 09:49:43Z pavelkrc
44	! Overwrite u_init, v_init, pt_init, q_init and s_init with hom for all cyclic_fill-cases, not only
45	! for turbulent_inflow = .TRUE.
46	!
47	! 4360 2020-01-07 11:25:50Z suehring
48	! Introduction of wall_flags_total_0, which currently sets bits based on static topography
49	! information used in wall_flags_static_0
50	!
51	! 4329 2019-12-10 15:46:36Z motisi
52	! Renamed wall_flags_0 to wall_flags_static_0
53	!
54	! 4286 2019-10-30 16:01:14Z resler
55	! implement new palm_date_time_mod
56	!
57	! 4223 2019-09-10 09:20:47Z gronemeier
58	! Deallocate temporary string array since it may be re-used to read different input data in other
59	! modules
60	!
61	! 4186 2019-08-23 16:06:14Z suehring
62	! Design change, use variables defined in netcdf_data_input_mod to read netcd variables rather than
63	! define local ones.
64	!
65	! 4185 2019-08-23 13:49:38Z oliver.maas
66	! For initializing_actions = ' cyclic_fill':
67	! Overwrite u_init, v_init, pt_init, q_init and s_init with the (temporally) and horizontally
68	! averaged vertical profiles from the end of the prerun, because these profiles shall be used as the
69	! basic state for the rayleigh damping and the pt_damping.
70	!
71	! 4182 2019-08-22 15:20:23Z scharf
72	! Corrected "Former revisions" section
73	!
74	! 4168 2019-08-16 13:50:17Z suehring
75	! Replace function get_topography_top_index by topo_top_ind
76	!
77	! 4151 2019-08-09 08:24:30Z suehring
78	! Add netcdf directive around input calls (fix for last commit)
79	!
80	! 4150 2019-08-08 20:00:47Z suehring
81	! Input of additional surface variables independent on land- or urban-surface model
82	!
83	! 4131 2019-08-02 11:06:18Z monakurppa
84	! Allocate sums and sums_l to allow profile output for salsa variables.
85	!
86	! 4130 2019-08-01 13:04:13Z suehring
87	! Effectively reduce 3D initialization to 1D initial profiles. This is because 3D initialization
88	! produces structures in the w-component that are correlated with the processor grid for some
89	! unknown reason
90	!
91	! 4090 2019-07-11 15:06:47Z Giersch
92	! Unused variables removed
93	!
94	! 4088 2019-07-11 13:57:56Z Giersch
95	! Pressure and density profile calculations revised using basic functions
96	!
97	! 4048 2019-06-21 21:00:21Z knoop
98	! Further modularization of particle code components
99	!
100	! 4017 2019-06-06 12:16:46Z schwenkel
101	! Convert most location messages to debug messages to reduce output in job logfile to a minimum
102	!
103	! unused variable removed
104	!
105	! 3937 2019-04-29 15:09:07Z suehring
106	! Move initialization of synthetic turbulence generator behind initialization of offline nesting.
107	! Remove call for stg_adjust, as this is now already done in stg_init.
108	!
109	! 3900 2019-04-16 15:17:43Z suehring
110	! Fix problem with LOD = 2 initialization
111	!
112	! 3885 2019-04-11 11:29:34Z kanani
113	! Changes related to global restructuring of location messages and introduction of additional debug
114	! messages
115	!
116	! 3849 2019-04-01 16:35:16Z knoop
117	! Move initialization of rmask before initializing user_init_arrays
118	!
119	! 3711 2019-01-31 13:44:26Z knoop
120	! Introduced module_interface_init_checks for post-init checks in modules
121	!
122	! 3700 2019-01-26 17:03:42Z knoop
123	! Some interface calls moved to module_interface + cleanup
124	!
125	! 3648 2019-01-02 16:35:46Z suehring
126	! Rename subroutines for surface-data output
127	!
128	! Revision 1.1 1998/03/09 16:22:22 raasch
129	! Initial revision
130	!
131	!
132	! Description:
133	! ------------
134	!> Allocation of arrays and initialization of the 3D model via
135	!> a) pre-run the 1D model
136	!> or
137	!> b) pre-set constant linear profiles
138	!> or
139	!> c) read values of a previous run
140	!--------------------------------------------------------------------------------------------------!
141	SUBROUTINE init_3d_model
142
143
144	USE advec_ws
145
146	USE arrays_3d
147
148	USE basic_constants_and_equations_mod, &
149	ONLY: barometric_formula, c_p, exner_function, exner_function_invers, g, &
150	ideal_gas_law_rho, ideal_gas_law_rho_pt, l_v, pi
151
152	USE bulk_cloud_model_mod, &
153	ONLY: bulk_cloud_model
154
155	USE chem_modules, &
156	ONLY: max_pr_cs ! ToDo: this dependency needs to be removed cause it is ugly #new_dom
157
158	USE control_parameters
159
160	USE grid_variables, &
161	ONLY: dx, dy, ddx2_mg, ddy2_mg
162
163	USE indices
164
165	USE kinds
166
167	USE lsf_nudging_mod, &
168	ONLY: ls_forcing_surf
169
170	USE model_1d_mod, &
171	ONLY: init_1d_model, l1d, u1d, v1d
172
173	USE module_interface, &
174	ONLY: module_interface_init_arrays, &
175	module_interface_init, &
176	module_interface_init_checks
177
178	USE multi_agent_system_mod, &
179	ONLY: agents_active, mas_init
180
181	USE netcdf_interface, &
182	ONLY: dots_max
183
184	USE netcdf_data_input_mod, &
185	ONLY: char_fill, &
186	check_existence, &
187	close_input_file, &
188	get_attribute, &
189	get_variable, &
190	init_3d, &
191	input_pids_static, &
192	inquire_num_variables, &
193	inquire_variable_names, &
194	input_file_static, &
195	netcdf_data_input_init_3d, &
196	num_var_pids, &
197	open_read_file, &
198	pids_id, &
199	real_2d, &
200	vars_pids
201
202	USE nesting_offl_mod, &
203	ONLY: nesting_offl_init
204
205	USE palm_date_time_mod, &
206	ONLY: init_date_time
207
208	USE pegrid
209
210	#if defined( __parallel )
211	USE pmc_interface, &
212	ONLY: nested_run
213	#endif
214
215	USE random_function_mod
216
217	USE random_generator_parallel, &
218	ONLY: init_parallel_random_generator
219
220	USE read_restart_data_mod, &
221	ONLY: rrd_local, rrd_read_parts_of_global
222
223	USE statistics, &
224	ONLY: hom, hom_sum, mean_surface_level_height, pr_palm, rmask, statistic_regions, sums, &
225	sums_divnew_l, sums_divold_l, sums_l, sums_l_l, sums_wsts_bc_l, ts_value, &
226	weight_pres, weight_substep
227
228	USE synthetic_turbulence_generator_mod, &
229	ONLY: stg_init, use_syn_turb_gen
230
231	USE surface_layer_fluxes_mod, &
232	ONLY: init_surface_layer_fluxes
233
234	USE surface_mod, &
235	ONLY : init_single_surface_properties, &
236	init_surface_arrays, &
237	init_surfaces, &
238	surf_def_h, &
239	surf_def_v, &
240	surf_lsm_h, &
241	surf_usm_h
242
243	#if defined( _OPENACC )
244	USE surface_mod, &
245	ONLY : bc_h
246	#endif
247
248	USE surface_data_output_mod, &
249	ONLY: surface_data_output_init
250
251	USE transpose_indices
252
253
254	IMPLICIT NONE
255
256	INTEGER(iwp) :: i !< grid index in x direction
257	INTEGER(iwp) :: ind_array(1) !< dummy used to determine start index for external pressure forcing
258	INTEGER(iwp) :: j !< grid index in y direction
259	INTEGER(iwp) :: k !< grid index in z direction
260	INTEGER(iwp) :: k_surf !< surface level index
261	INTEGER(iwp) :: l !< running index over surface orientation
262	INTEGER(iwp) :: m !< index of surface element in surface data type
263	INTEGER(iwp) :: nz_u_shift !< topography-top index on u-grid, used to vertically shift initial profiles
264	INTEGER(iwp) :: nz_v_shift !< topography-top index on v-grid, used to vertically shift initial profiles
265	INTEGER(iwp) :: nz_w_shift !< topography-top index on w-grid, used to vertically shift initial profiles
266	INTEGER(iwp) :: nz_s_shift !< topography-top index on scalar-grid, used to vertically shift initial profiles
267	INTEGER(iwp) :: nz_u_shift_l !< topography-top index on u-grid, used to vertically shift initial profiles
268	INTEGER(iwp) :: nz_v_shift_l !< topography-top index on v-grid, used to vertically shift initial profiles
269	INTEGER(iwp) :: nz_w_shift_l !< topography-top index on w-grid, used to vertically shift initial profiles
270	INTEGER(iwp) :: nz_s_shift_l !< topography-top index on scalar-grid, used to vertically shift initial profiles
271	INTEGER(iwp) :: nzt_l !< index of top PE boundary for multigrid level
272	INTEGER(iwp) :: sr !< index of statistic region
273
274	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !< toal number of horizontal grid points in statistical region on
275	!< subdomain
276
277	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !< number of horizontal non-wall bounded grid points on
278	!< subdomain
279	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !< number of horizontal non-topography grid points on
280	!< subdomain
281
282	REAL(wp) :: dx_l !< grid spacing along x on different multigrid level
283	REAL(wp) :: dy_l !< grid spacing along y on different multigrid level
284
285	REAL(wp), DIMENSION(:), ALLOCATABLE :: init_l !< dummy array used for averaging 3D data to obtain
286	!< inital profiles
287	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height_l !< mean surface level height on subdomain
288	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !< total number of non-topography grid points on subdomain
289	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !< total number of non-topography grid points
290	REAL(wp), DIMENSION(:), ALLOCATABLE :: p_hydrostatic !< hydrostatic pressure
291
292	REAL(wp), DIMENSION(1:3) :: volume_flow_area_l !< area of lateral and top model domain surface on local subdomain
293	REAL(wp), DIMENSION(1:3) :: volume_flow_initial_l !< initial volume flow into model domain
294
295	TYPE(real_2d) :: tmp_2d !< temporary variable to input additional surface-data from static file
296
297	CALL location_message( 'model initialization', 'start' )
298	!
299	!-- Set reference date-time
300	CALL init_date_time( date_time_str=origin_date_time, &
301	use_fixed_date=use_fixed_date, &
302	use_fixed_time=use_fixed_time )
303
304	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'start' )
305	!
306	!-- Allocate arrays
307	ALLOCATE( mean_surface_level_height(0:statistic_regions), &
308	mean_surface_level_height_l(0:statistic_regions), &
309	ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
310	ngp_3d(0:statistic_regions), &
311	ngp_3d_inner(0:statistic_regions), &
312	ngp_3d_inner_l(0:statistic_regions), &
313	ngp_3d_inner_tmp(0:statistic_regions), &
314	sums_divnew_l(0:statistic_regions), &
315	sums_divold_l(0:statistic_regions) )
316	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
317	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
318	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
319	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
320	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
321	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
322	sums(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa), &
323	sums_l(nzb:nzt+1,pr_palm+max_pr_user+max_pr_cs+max_pr_salsa,0:threads_per_task-1), &
324	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
325	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions) )
326	ALLOCATE( ts_value(dots_max,0:statistic_regions) )
327	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
328
329	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
330	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
331	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
332
333	ALLOCATE( pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
334	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
335	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
336	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
337	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
338	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
339	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
340	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
341	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
342	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
343	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
344	IF ( .NOT. neutral ) THEN
345	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
346	ENDIF
347	!
348	!-- Pre-set masks for regional statistics. Default is the total model domain.
349	!-- Ghost points are excluded because counting values at the ghost boundaries would bias the
350	!-- statistics.
351	rmask = 1.0_wp
352	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
353	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
354	!
355	!-- Following array is required for perturbation pressure within the iterative pressure solvers. For
356	!-- the multistep schemes (Runge-Kutta), array p holds the weighted average of the substeps and
357	!-- cannot be used in the Poisson solver.
358	IF ( psolver == 'sor' ) THEN
359	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
360	ELSEIF ( psolver(1:9) == 'multigrid' ) THEN
361	!
362	!-- For performance reasons, multigrid is using one ghost layer only
363	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
364	ENDIF
365
366	!
367	!-- Array for storing constant coeffficients of the tridiagonal solver
368	IF ( psolver == 'poisfft' ) THEN
369	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
370	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
371	ENDIF
372
373	IF ( humidity ) THEN
374	!
375	!-- 3D-humidity
376	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
377	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
378	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
379	vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
380	ENDIF
381
382	IF ( passive_scalar ) THEN
383
384	!
385	!-- 3D scalar arrays
386	ALLOCATE( s_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
387	s_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
388	s_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
389
390	ENDIF
391
392	!
393	!-- Allocate and set 1d-profiles for Stokes drift velocity. It may be set to non-zero values later
394	!-- in ocean_init.
395	ALLOCATE( u_stokes_zu(nzb:nzt+1), u_stokes_zw(nzb:nzt+1), &
396	v_stokes_zu(nzb:nzt+1), v_stokes_zw(nzb:nzt+1) )
397	u_stokes_zu(:) = 0.0_wp
398	u_stokes_zw(:) = 0.0_wp
399	v_stokes_zu(:) = 0.0_wp
400	v_stokes_zw(:) = 0.0_wp
401
402	!
403	!-- Allocation of anelastic and Boussinesq approximation specific arrays
404	ALLOCATE( p_hydrostatic(nzb:nzt+1) )
405	ALLOCATE( rho_air(nzb:nzt+1) )
406	ALLOCATE( rho_air_zw(nzb:nzt+1) )
407	ALLOCATE( drho_air(nzb:nzt+1) )
408	ALLOCATE( drho_air_zw(nzb:nzt+1) )
409	!
410	!-- Density profile calculation for anelastic and Boussinesq approximation.
411	!-- In case of a Boussinesq approximation, a constant density is calculated mainly for output
412	!-- purposes. This density does not need to be considered in the model's system of equations.
413	IF ( TRIM( approximation ) == 'anelastic' ) THEN
414	DO k = nzb, nzt+1
415	p_hydrostatic(k) = barometric_formula(zu(k), pt_surface * &
416	exner_function(surface_pressure * 100.0_wp), &
417	surface_pressure * 100.0_wp)
418
419	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(k))
420	ENDDO
421
422	DO k = nzb, nzt
423	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
424	ENDDO
425
426	rho_air_zw(nzt+1) = rho_air_zw(nzt) + 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
427
428	ELSE
429	DO k = nzb, nzt+1
430	p_hydrostatic(k) = barometric_formula(zu(nzb), pt_surface * &
431	exner_function(surface_pressure * 100.0_wp), &
432	surface_pressure * 100.0_wp)
433
434	rho_air(k) = ideal_gas_law_rho_pt(p_hydrostatic(k), pt_init(nzb))
435	ENDDO
436
437	DO k = nzb, nzt
438	rho_air_zw(k) = 0.5_wp * ( rho_air(k) + rho_air(k+1) )
439	ENDDO
440
441	rho_air_zw(nzt+1) = rho_air_zw(nzt) + 2.0_wp * ( rho_air(nzt+1) - rho_air_zw(nzt) )
442
443	ENDIF
444	!
445	!-- Compute the inverse density array in order to avoid expencive divisions
446	drho_air = 1.0_wp / rho_air
447	drho_air_zw = 1.0_wp / rho_air_zw
448
449	!
450	!-- Allocation of flux conversion arrays
451	ALLOCATE( heatflux_input_conversion(nzb:nzt+1) )
452	ALLOCATE( waterflux_input_conversion(nzb:nzt+1) )
453	ALLOCATE( momentumflux_input_conversion(nzb:nzt+1) )
454	ALLOCATE( heatflux_output_conversion(nzb:nzt+1) )
455	ALLOCATE( waterflux_output_conversion(nzb:nzt+1) )
456	ALLOCATE( momentumflux_output_conversion(nzb:nzt+1) )
457
458	!
459	!-- Calculate flux conversion factors according to approximation and in-/output mode
460	DO k = nzb, nzt+1
461
462	IF ( TRIM( flux_input_mode ) == 'kinematic' ) THEN
463	heatflux_input_conversion(k) = rho_air_zw(k)
464	waterflux_input_conversion(k) = rho_air_zw(k)
465	momentumflux_input_conversion(k) = rho_air_zw(k)
466	ELSEIF ( TRIM( flux_input_mode ) == 'dynamic' ) THEN
467	heatflux_input_conversion(k) = 1.0_wp / c_p
468	waterflux_input_conversion(k) = 1.0_wp / l_v
469	momentumflux_input_conversion(k) = 1.0_wp
470	ENDIF
471
472	IF ( TRIM( flux_output_mode ) == 'kinematic' ) THEN
473	heatflux_output_conversion(k) = drho_air_zw(k)
474	waterflux_output_conversion(k) = drho_air_zw(k)
475	momentumflux_output_conversion(k) = drho_air_zw(k)
476	ELSEIF ( TRIM( flux_output_mode ) == 'dynamic' ) THEN
477	heatflux_output_conversion(k) = c_p
478	waterflux_output_conversion(k) = l_v
479	momentumflux_output_conversion(k) = 1.0_wp
480	ENDIF
481
482	IF ( .NOT. humidity ) THEN
483	waterflux_input_conversion(k) = 1.0_wp
484	waterflux_output_conversion(k) = 1.0_wp
485	ENDIF
486
487	ENDDO
488
489	!
490	!-- In case of multigrid method, compute grid lengths and grid factors for the grid levels with
491	!-- respective density on each grid.
492	IF ( psolver(1:9) == 'multigrid' ) THEN
493
494	ALLOCATE( ddx2_mg(maximum_grid_level) )
495	ALLOCATE( ddy2_mg(maximum_grid_level) )
496	ALLOCATE( dzu_mg(nzb+1:nzt+1,maximum_grid_level) )
497	ALLOCATE( dzw_mg(nzb+1:nzt+1,maximum_grid_level) )
498	ALLOCATE( f1_mg(nzb+1:nzt,maximum_grid_level) )
499	ALLOCATE( f2_mg(nzb+1:nzt,maximum_grid_level) )
500	ALLOCATE( f3_mg(nzb+1:nzt,maximum_grid_level) )
501	ALLOCATE( rho_air_mg(nzb:nzt+1,maximum_grid_level) )
502	ALLOCATE( rho_air_zw_mg(nzb:nzt+1,maximum_grid_level) )
503
504	dzu_mg(:,maximum_grid_level) = dzu
505	rho_air_mg(:,maximum_grid_level) = rho_air
506	!
507	!-- Next line to ensure an equally spaced grid.
508	dzu_mg(1,maximum_grid_level) = dzu(2)
509	rho_air_mg(nzb,maximum_grid_level) = rho_air(nzb) + (rho_air(nzb) - rho_air(nzb+1))
510
511	dzw_mg(:,maximum_grid_level) = dzw
512	rho_air_zw_mg(:,maximum_grid_level) = rho_air_zw
513	nzt_l = nzt
514	DO l = maximum_grid_level-1, 1, -1
515	dzu_mg(nzb+1,l) = 2.0_wp * dzu_mg(nzb+1,l+1)
516	dzw_mg(nzb+1,l) = 2.0_wp * dzw_mg(nzb+1,l+1)
517	rho_air_mg(nzb,l) = rho_air_mg(nzb,l+1) + ( rho_air_mg(nzb,l+1) - &
518	rho_air_mg(nzb+1,l+1) )
519	rho_air_zw_mg(nzb,l) = rho_air_zw_mg(nzb,l+1) + ( rho_air_zw_mg(nzb,l+1) - &
520	rho_air_zw_mg(nzb+1,l+1) )
521	rho_air_mg(nzb+1,l) = rho_air_mg(nzb+1,l+1)
522	rho_air_zw_mg(nzb+1,l) = rho_air_zw_mg(nzb+1,l+1)
523	nzt_l = nzt_l / 2
524	DO k = 2, nzt_l+1
525	dzu_mg(k,l) = dzu_mg(2k-2,l+1) + dzu_mg(2k-1,l+1)
526	dzw_mg(k,l) = dzw_mg(2k-2,l+1) + dzw_mg(2k-1,l+1)
527	rho_air_mg(k,l) = rho_air_mg(2*k-1,l+1)
528	rho_air_zw_mg(k,l) = rho_air_zw_mg(2*k-1,l+1)
529	ENDDO
530	ENDDO
531
532	nzt_l = nzt
533	dx_l = dx
534	dy_l = dy
535	DO l = maximum_grid_level, 1, -1
536	ddx2_mg(l) = 1.0_wp / dx_l**2
537	ddy2_mg(l) = 1.0_wp / dy_l**2
538	DO k = nzb+1, nzt_l
539	f2_mg(k,l) = rho_air_zw_mg(k,l) / ( dzu_mg(k+1,l) * dzw_mg(k,l) )
540	f3_mg(k,l) = rho_air_zw_mg(k-1,l) / ( dzu_mg(k,l) * dzw_mg(k,l) )
541	f1_mg(k,l) = 2.0_wp * ( ddx2_mg(l) + ddy2_mg(l) ) &
542	* rho_air_mg(k,l) + f2_mg(k,l) + f3_mg(k,l)
543	ENDDO
544	nzt_l = nzt_l / 2
545	dx_l = dx_l * 2.0_wp
546	dy_l = dy_l * 2.0_wp
547	ENDDO
548
549	ENDIF
550
551	!
552	!-- 1D-array for large scale subsidence velocity
553	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
554	ALLOCATE ( w_subs(nzb:nzt+1) )
555	w_subs = 0.0_wp
556	ENDIF
557
558	!
559	!-- Arrays to store velocity data from t-dt and the phase speeds which are needed for radiation
560	!-- boundary conditions.
561	IF ( bc_radiation_l ) THEN
562	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
563	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
564	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
565	ENDIF
566	IF ( bc_radiation_r ) THEN
567	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
568	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
569	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
570	ENDIF
571	IF ( bc_radiation_l .OR. bc_radiation_r ) THEN
572	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), c_w(nzb:nzt+1,nysg:nyng) )
573	ENDIF
574	IF ( bc_radiation_s ) THEN
575	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
576	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
577	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
578	ENDIF
579	IF ( bc_radiation_n ) THEN
580	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
581	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
582	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
583	ENDIF
584	IF ( bc_radiation_s .OR. bc_radiation_n ) THEN
585	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), c_w(nzb:nzt+1,nxlg:nxrg) )
586	ENDIF
587	IF ( bc_radiation_l .OR. bc_radiation_r .OR. bc_radiation_s .OR. bc_radiation_n ) THEN
588	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
589	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
590	ENDIF
591
592	!
593	!-- Initial assignment of the pointers
594	IF ( .NOT. neutral ) THEN
595	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
596	ELSE
597	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
598	ENDIF
599	u => u_1; u_p => u_2; tu_m => u_3
600	v => v_1; v_p => v_2; tv_m => v_3
601	w => w_1; w_p => w_2; tw_m => w_3
602
603	IF ( humidity ) THEN
604	q => q_1; q_p => q_2; tq_m => q_3
605	vpt => vpt_1
606	ENDIF
607
608	IF ( passive_scalar ) THEN
609	s => s_1; s_p => s_2; ts_m => s_3
610	ENDIF
611
612	!
613	!-- Initialize surface arrays
614	CALL init_surface_arrays
615	!
616	!-- Allocate arrays for other modules
617	CALL module_interface_init_arrays
618
619
620	!
621	!-- Allocate arrays containing the RK coefficient for calculation of perturbation pressure and
622	!-- turbulent fluxes. At this point values are set for pressure calculation during initialization
623	!-- (where no timestep is done). Further below the values needed within the timestep scheme will be
624	!-- set.
625	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
626	weight_pres(1:intermediate_timestep_count_max) )
627	weight_substep = 1.0_wp
628	weight_pres = 1.0_wp
629	intermediate_timestep_count = 0 ! needed when simulated_time = 0.0
630
631	IF ( debug_output ) CALL debug_message( 'allocating arrays', 'end' )
632
633	!
634	!-- Initialize time series
635	ts_value = 0.0_wp
636
637	!
638	!-- Initialize local summation arrays for routine flow_statistics.
639	!-- This is necessary because they may not yet have been initialized when they are called from
640	!-- flow_statistics (or - depending on the chosen model run - are never initialized)
641	sums_divnew_l = 0.0_wp
642	sums_divold_l = 0.0_wp
643	sums_l_l = 0.0_wp
644	sums_wsts_bc_l = 0.0_wp
645
646	!
647	!-- Initialize model variables
648	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
649	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
650	!
651	!-- Initialization with provided input data derived from larger-scale model
652	IF ( INDEX( initializing_actions, 'inifor' ) /= 0 ) THEN
653	IF ( debug_output ) CALL debug_message( 'initializing with INIFOR', 'start' )
654	!
655	!-- Read initial 1D profiles or 3D data from NetCDF file, depending on the provided
656	!-- level-of-detail.
657	!-- At the moment, only u, v, w, pt and q are provided.
658	CALL netcdf_data_input_init_3d
659	!
660	!-- Please note, Inifor provides data from nzb+1 to nzt.
661	!-- Bottom and top boundary conditions for Inifor profiles are already set (just after
662	!-- reading), so that this is not necessary here.
663	!-- Depending on the provided level-of-detail, initial Inifor data is either stored on data
664	!-- type (lod=1), or directly on 3D arrays (lod=2).
665	!-- In order to obtain also initial profiles in case of lod=2 (which is required for e.g.
666	!-- damping), average over 3D data.
667	IF( init_3d%lod_u == 1 ) THEN
668	u_init = init_3d%u_init
669	ELSEIF( init_3d%lod_u == 2 ) THEN
670	ALLOCATE( init_l(nzb:nzt+1) )
671	DO k = nzb, nzt+1
672	init_l(k) = SUM( u(k,nys:nyn,nxl:nxr) )
673	ENDDO
674	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
675
676	#if defined( __parallel )
677	CALL MPI_ALLREDUCE( init_l, u_init, nzt+1-nzb+1, MPI_REAL, MPI_SUM, comm2d, ierr )
678	#else
679	u_init = init_l
680	#endif
681	DEALLOCATE( init_l )
682
683	ENDIF
684
685	IF( init_3d%lod_v == 1 ) THEN
686	v_init = init_3d%v_init
687	ELSEIF( init_3d%lod_v == 2 ) THEN
688	ALLOCATE( init_l(nzb:nzt+1) )
689	DO k = nzb, nzt+1
690	init_l(k) = SUM( v(k,nys:nyn,nxl:nxr) )
691	ENDDO
692	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
693
694	#if defined( __parallel )
695	CALL MPI_ALLREDUCE( init_l, v_init, nzt+1-nzb+1, MPI_REAL, MPI_SUM, comm2d, ierr )
696	#else
697	v_init = init_l
698	#endif
699	DEALLOCATE( init_l )
700	ENDIF
701	IF( .NOT. neutral ) THEN
702	IF( init_3d%lod_pt == 1 ) THEN
703	pt_init = init_3d%pt_init
704	ELSEIF( init_3d%lod_pt == 2 ) THEN
705	ALLOCATE( init_l(nzb:nzt+1) )
706	DO k = nzb, nzt+1
707	init_l(k) = SUM( pt(k,nys:nyn,nxl:nxr) )
708	ENDDO
709	init_l = init_l / REAL( ( nx + 1 ) * ( ny + 1 ), KIND = wp )
710
711	#if defined( __parallel )
712	CALL MPI_ALLREDUCE( init_l, pt_init, nzt+1-nzb+1, 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, MPI_REAL, MPI_SUM, comm2d, ierr )
733	#else
734	q_init = init_l
735	#endif
736	DEALLOCATE( init_l )
737	ENDIF
738	ENDIF
739
740	!
741	!-- Write initial profiles onto 3D arrays.
742	!-- Work-around, 3D initialization of u,v,w creates artificial structures which correlate with
743	!-- the processor grid. The reason for this is still unknown. To work-around this, 3D
744	!-- initialization will be effectively reduce to a 1D initialization where no such artificial
745	!-- structures appear.
746	DO i = nxlg, nxrg
747	DO j = nysg, nyng
748	IF( init_3d%lod_u == 1 .OR. init_3d%lod_u == 2 ) u(:,j,i) = u_init(:)
749	IF( init_3d%lod_v == 1 .OR. init_3d%lod_u == 2 ) v(:,j,i) = v_init(:)
750	IF( .NOT. neutral .AND. ( init_3d%lod_pt == 1 .OR. init_3d%lod_pt == 2 ) ) &
751	pt(:,j,i) = pt_init(:)
752	IF( humidity .AND. ( init_3d%lod_q == 1 .OR. init_3d%lod_q == 2 ) ) &
753	q(:,j,i) = q_init(:)
754	ENDDO
755	ENDDO
756	!
757	!-- Set geostrophic wind components.
758	IF ( init_3d%from_file_ug ) THEN
759	ug(:) = init_3d%ug_init(:)
760	ENDIF
761	IF ( init_3d%from_file_vg ) THEN
762	vg(:) = init_3d%vg_init(:)
763	ENDIF
764	!
765	!-- Set bottom and top boundary condition for geostrophic wind
766	ug(nzt+1) = ug(nzt)
767	vg(nzt+1) = vg(nzt)
768	ug(nzb) = ug(nzb+1)
769	vg(nzb) = vg(nzb+1)
770	!
771	!-- Set inital w to 0
772	w = 0.0_wp
773
774	IF ( passive_scalar ) THEN
775	DO i = nxlg, nxrg
776	DO j = nysg, nyng
777	s(:,j,i) = s_init
778	ENDDO
779	ENDDO
780	ENDIF
781
782	!
783	!-- Set velocity components at non-atmospheric / oceanic grid points to zero.
784	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
785	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
786	w = MERGE( w, 0.0_wp, BTEST( wall_flags_total_0, 3 ) )
787	!
788	!-- Initialize surface variables, e.g. friction velocity, momentum fluxes, etc.
789	CALL init_surfaces
790
791	IF ( debug_output ) CALL debug_message( 'initializing with INIFOR', 'end' )
792	!
793	!-- Initialization via computed 1D-model profiles
794	ELSEIF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
795
796	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'start' )
797	!
798	!-- Use solutions of the 1D model as initial profiles,
799	!-- start 1D model
800	CALL init_1d_model
801	!
802	!-- Transfer initial profiles to the arrays of the 3D model
803	DO i = nxlg, nxrg
804	DO j = nysg, nyng
805	pt(:,j,i) = pt_init
806	u(:,j,i) = u1d
807	v(:,j,i) = v1d
808	ENDDO
809	ENDDO
810
811	IF ( humidity ) THEN
812	DO i = nxlg, nxrg
813	DO j = nysg, nyng
814	q(:,j,i) = q_init
815	ENDDO
816	ENDDO
817	ENDIF
818
819	IF ( passive_scalar ) THEN
820	DO i = nxlg, nxrg
821	DO j = nysg, nyng
822	s(:,j,i) = s_init
823	ENDDO
824	ENDDO
825	ENDIF
826	!
827	!-- Store initial profiles for output purposes etc.
828	IF ( .NOT. constant_diffusion ) THEN
829	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
830	ENDIF
831	!
832	!-- Set velocities back to zero
833	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
834	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
835	!
836	!-- WARNING: The extra boundary conditions set after running the 1D model impose an error on
837	!-- -------- the divergence one layer below the topography; need to correct later
838	!-- ATTENTION: Provisional correction for Piacsek & Williams advection scheme: keep u and v
839	!-- ---------- zero one layer below the topography.
840	IF ( ibc_uv_b == 1 ) THEN
841	!
842	!-- Neumann condition
843	DO i = nxl-1, nxr+1
844	DO j = nys-1, nyn+1
845	u(nzb,j,i) = u(nzb+1,j,i)
846	v(nzb,j,i) = v(nzb+1,j,i)
847	ENDDO
848	ENDDO
849
850	ENDIF
851	!
852	!-- Initialize surface variables, e.g. friction velocity, momentum fluxes, etc.
853	CALL init_surfaces
854
855	IF ( debug_output ) CALL debug_message( 'initializing with 1D model profiles', 'end' )
856
857	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) THEN
858
859	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'start' )
860
861	!
862	!-- Use constructed initial profiles (velocity constant with height, temperature profile with
863	!-- constant gradient)
864	DO i = nxlg, nxrg
865	DO j = nysg, nyng
866	pt(:,j,i) = pt_init
867	u(:,j,i) = u_init
868	v(:,j,i) = v_init
869	ENDDO
870	ENDDO
871	!
872	!-- Mask topography
873	u = MERGE( u, 0.0_wp, BTEST( wall_flags_total_0, 1 ) )
874	v = MERGE( v, 0.0_wp, BTEST( wall_flags_total_0, 2 ) )
875	!
876	!-- Set initial horizontal velocities at the lowest computational grid levels to zero in order
877	!-- to avoid too small time steps caused by the diffusion limit in the initial phase of a run
878	!-- (at k=1, dz/2 occurs in the limiting formula!).
879	!-- Please note, in case land- or urban-surface model is used and a spinup is applied, masking
880	!-- the lowest computational level is not possible as MOST as well as energy-balance
881	!-- parametrizations will not work with zero wind velocity.
882	IF ( ibc_uv_b /= 1 .AND. .NOT. spinup ) THEN
883	DO i = nxlg, nxrg
884	DO j = nysg, nyng
885	DO k = nzb, nzt
886	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 20 ) )
887	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 21 ) )
888	ENDDO
889	ENDDO
890	ENDDO
891	ENDIF
892
893	IF ( humidity ) THEN
894	DO i = nxlg, nxrg
895	DO j = nysg, nyng
896	q(:,j,i) = q_init
897	ENDDO
898	ENDDO
899	ENDIF
900
901	IF ( passive_scalar ) THEN
902	DO i = nxlg, nxrg
903	DO j = nysg, nyng
904	s(:,j,i) = s_init
905	ENDDO
906	ENDDO
907	ENDIF
908
909	!
910	!-- Compute initial temperature field and other constants used in case of a sloping surface.
911	IF ( sloping_surface ) CALL init_slope
912	!
913	!-- Initialize surface variables, e.g. friction velocity, momentum fluxes, etc.
914	CALL init_surfaces
915
916	IF ( debug_output ) CALL debug_message( 'initializing with constant profiles', 'end' )
917
918	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) THEN
919
920	IF ( debug_output ) CALL debug_message( 'initializing by user', 'start' )
921	!
922	!-- Pre-initialize surface variables, i.e. setting start- and end-indices at each
923	!-- (j,i)-location. Please note, this does not supersede user-defined initialization of
924	!-- surface quantities.
925	CALL init_surfaces
926	!
927	!-- Initialization will completely be done by the user
928	CALL user_init_3d_model
929
930	IF ( debug_output ) CALL debug_message( 'initializing by user', 'end' )
931
932	ENDIF
933
934	IF ( debug_output ) THEN
935	CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'start' )
936	ENDIF
937
938	!
939	!-- Bottom boundary
940	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
941	u(nzb,:,:) = 0.0_wp
942	v(nzb,:,:) = 0.0_wp
943	ENDIF
944
945	!
946	!-- Apply channel flow boundary condition
947	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
948	u(nzt+1,:,:) = 0.0_wp
949	v(nzt+1,:,:) = 0.0_wp
950	ENDIF
951
952	!
953	!-- Calculate virtual potential temperature
954	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
955
956	!
957	!-- Store initial profiles for output purposes etc.. Please note, in case of initialization of u,
958	!-- v, w, pt, and q via output data derived from larger scale models, data will not be
959	!-- horizontally homogeneous. Actually, a mean profile should be calculated before.
960	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
961	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
962	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
963	hom(nzb,1,5,:) = 0.0_wp
964	hom(nzb,1,6,:) = 0.0_wp
965	ENDIF
966	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
967
968	IF ( humidity ) THEN
969	!
970	!-- Store initial profile of total water content, virtual potential temperature
971	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
972	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
973	!
974	!-- Store initial profile of mixing ratio and potential temperature
975	IF ( bulk_cloud_model .OR. cloud_droplets ) THEN
976	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
977	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
978	ENDIF
979	ENDIF
980
981	!
982	!-- Store initial scalar profile
983	IF ( passive_scalar ) THEN
984	hom(:,1,121,:) = SPREAD( s(:,nys,nxl), 2, statistic_regions+1 )
985	ENDIF
986
987	!
988	!-- Initialize the random number generators (from numerical recipes)
989	CALL random_function_ini
990
991	IF ( random_generator == 'random-parallel' ) THEN
992	CALL init_parallel_random_generator( nx, nys, nyn, nxl, nxr )
993	ENDIF
994	!
995	!-- Set the reference state to be used in the buoyancy terms (for ocean runs the reference state
996	!-- will be set (overwritten) in init_ocean).
997	IF ( use_single_reference_value ) THEN
998	IF ( .NOT. humidity ) THEN
999	ref_state(:) = pt_reference
1000	ELSE
1001	ref_state(:) = vpt_reference
1002	ENDIF
1003	ELSE
1004	IF ( .NOT. humidity ) THEN
1005	ref_state(:) = pt_init(:)
1006	ELSE
1007	ref_state(:) = vpt(:,nys,nxl)
1008	ENDIF
1009	ENDIF
1010
1011	!
1012	!-- For the moment, vertical velocity is zero
1013	w = 0.0_wp
1014
1015	!
1016	!-- Initialize array sums (must be defined in first call of pres)
1017	sums = 0.0_wp
1018
1019	!
1020	!-- In case of iterative solvers, p must get an initial value
1021	IF ( psolver(1:9) == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1022	!
1023	!-- Impose vortex with vertical axis on the initial velocity profile
1024	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1025	CALL init_rankine
1026	ENDIF
1027
1028	!
1029	!-- Impose temperature anomaly (advection test only) or warm air bubble close to surface.
1030	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 .OR. &
1031	INDEX( initializing_actions, 'initialize_bubble' ) /= 0 ) THEN
1032	CALL init_pt_anomaly
1033	ENDIF
1034
1035	!
1036	!-- If required, change the surface temperature at the start of the 3D run
1037	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1038	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1039	ENDIF
1040
1041	!
1042	!-- If required, change the surface humidity/scalar at the start of the 3D
1043	!-- run
1044	IF ( humidity .AND. q_surface_initial_change /= 0.0_wp ) &
1045	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1046
1047	IF ( passive_scalar .AND. s_surface_initial_change /= 0.0_wp ) &
1048	s(nzb,:,:) = s(nzb,:,:) + s_surface_initial_change
1049
1050
1051	!
1052	!-- Initialize old and new time levels.
1053	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1054	pt_p = pt; u_p = u; v_p = v; w_p = w
1055
1056	IF ( humidity ) THEN
1057	tq_m = 0.0_wp
1058	q_p = q
1059	ENDIF
1060
1061	IF ( passive_scalar ) THEN
1062	ts_m = 0.0_wp
1063	s_p = s
1064	ENDIF
1065
1066	IF ( debug_output ) THEN
1067	CALL debug_message( 'initializing statistics, boundary conditions, etc.', 'end' )
1068	ENDIF
1069
1070	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1071	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1072	THEN
1073
1074	IF ( debug_output ) THEN
1075	CALL debug_message( 'initializing in case of restart / cyclic_fill', 'start' )
1076	ENDIF
1077	!
1078	!-- Initialize surface elements and its attributes, e.g. heat- and momentumfluxes, roughness,
1079	!-- scaling parameters. As number of surface elements might be different between runs, e.g. in
1080	!-- case of cyclic fill, and not all surface elements are read, surface elements need to be
1081	!-- initialized before.
1082	!-- Please note, in case of cyclic fill, surfaces should be initialized after restart data is
1083	!-- read, else, individual settings of surface parameters will be overwritten from data of
1084	!-- precursor run, hence, init_surfaces is called a second time after reading the restart data.
1085	CALL init_surfaces
1086	!
1087	!-- When reading data for cyclic fill of 3D prerun data files, read some of the global variables
1088	!-- from the restart file which are required for initializing the inflow
1089	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1090
1091	!
1092	!-- Blockwise I/O does not work together with MPI-I/O
1093	IF ( restart_data_format_input(1:3) == 'mpi' ) THEN
1094	CALL rrd_read_parts_of_global
1095	ELSE
1096	DO i = 0, io_blocks-1
1097	IF ( i == io_group ) THEN
1098	CALL rrd_read_parts_of_global
1099	ENDIF
1100	#if defined( __parallel )
1101	CALL MPI_BARRIER( comm2d, ierr )
1102	#endif
1103	ENDDO
1104	ENDIF
1105
1106	ENDIF
1107
1108	!
1109	!-- Read processor specific binary data from restart file.
1110	!-- Blockwise I/O does not work together with MPI-I/O
1111	IF ( restart_data_format_input(1:3) == 'mpi' ) THEN
1112	CALL rrd_local
1113	ELSE
1114	DO i = 0, io_blocks-1
1115	IF ( i == io_group ) THEN
1116	CALL rrd_local
1117	ENDIF
1118	#if defined( __parallel )
1119	CALL MPI_BARRIER( comm2d, ierr )
1120	#endif
1121	ENDDO
1122	ENDIF
1123
1124
1125	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1126
1127	!
1128	!-- In case of cyclic fill, call init_surfaces a second time, so that surface properties such
1129	!-- as heat fluxes are initialized as prescribed.
1130	CALL init_surfaces
1131
1132	!
1133	!-- Overwrite u_init, v_init, pt_init, q_init and s_init with the horizontally mean (hom)
1134	!-- vertical profiles from the end of the prerun, because these profiles shall be used as the
1135	!-- reference state for the rayleigh damping and the pt_damping. This is especially important
1136	!-- for the use of large_scale_subsidence, because the reference temperature in the free
1137	!-- atmosphere changes in time.
1138	u_init(:) = hom_sum(:,1,0)
1139	v_init(:) = hom_sum(:,2,0)
1140	pt_init(:) = hom_sum(:,4,0)
1141	IF ( humidity ) q_init(:) = hom_sum(:,41,0)
1142	IF ( passive_scalar ) s_init(:) = hom_sum(:,115,0)
1143	ENDIF
1144	!
1145	!-- In case of complex terrain and cyclic fill method as initialization, shift initial data in
1146	!-- the vertical direction for each point in the x-y-plane depending on local surface height.
1147	IF ( complex_terrain .AND. TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1148	DO i = nxlg, nxrg
1149	DO j = nysg, nyng
1150	nz_u_shift = topo_top_ind(j,i,1)
1151	nz_v_shift = topo_top_ind(j,i,2)
1152	nz_w_shift = topo_top_ind(j,i,3)
1153	nz_s_shift = topo_top_ind(j,i,0)
1154
1155	u(nz_u_shift:nzt+1,j,i) = u(0:nzt+1-nz_u_shift,j,i)
1156
1157	v(nz_v_shift:nzt+1,j,i) = v(0:nzt+1-nz_v_shift,j,i)
1158
1159	w(nz_w_shift:nzt+1,j,i) = w(0:nzt+1-nz_w_shift,j,i)
1160
1161	p(nz_s_shift:nzt+1,j,i) = p(0:nzt+1-nz_s_shift,j,i)
1162	pt(nz_s_shift:nzt+1,j,i) = pt(0:nzt+1-nz_s_shift,j,i)
1163	ENDDO
1164	ENDDO
1165	ENDIF
1166	!
1167	!-- Initialization of the turbulence recycling method
1168	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. turbulent_inflow ) THEN
1169	!
1170	!-- First store the profiles to be used at the inflow.
1171	!-- These profiles are the (temporally) and horizontally averaged vertical profiles from the
1172	!-- prerun. Alternatively, prescribed profiles for u,v-components can be used.
1173	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,1:num_mean_inflow_profiles) )
1174
1175	IF ( use_prescribed_profile_data ) THEN
1176	mean_inflow_profiles(:,1) = u_init ! u
1177	mean_inflow_profiles(:,2) = v_init ! v
1178	ELSE
1179	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1180	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1181	ENDIF
1182	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1183	IF ( humidity ) mean_inflow_profiles(:,6) = hom_sum(:,41,0) ! q
1184	IF ( passive_scalar ) mean_inflow_profiles(:,7) = hom_sum(:,115,0) ! s
1185
1186	!
1187	!-- In case of complex terrain, determine vertical displacement at inflow boundary and adjust
1188	!-- mean inflow profiles
1189	IF ( complex_terrain ) THEN
1190	IF ( nxlg <= 0 .AND. nxrg >= 0 .AND. nysg <= 0 .AND. nyng >= 0 ) THEN
1191	nz_u_shift_l = topo_top_ind(j,i,1)
1192	nz_v_shift_l = topo_top_ind(j,i,2)
1193	nz_w_shift_l = topo_top_ind(j,i,3)
1194	nz_s_shift_l = topo_top_ind(j,i,0)
1195	ELSE
1196	nz_u_shift_l = 0
1197	nz_v_shift_l = 0
1198	nz_w_shift_l = 0
1199	nz_s_shift_l = 0
1200	ENDIF
1201
1202	#if defined( __parallel )
1203	CALL MPI_ALLREDUCE( nz_u_shift_l, nz_u_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1204	CALL MPI_ALLREDUCE( nz_v_shift_l, nz_v_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1205	CALL MPI_ALLREDUCE( nz_w_shift_l, nz_w_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1206	CALL MPI_ALLREDUCE( nz_s_shift_l, nz_s_shift, 1, MPI_INTEGER, MPI_MAX, comm2d, ierr )
1207	#else
1208	nz_u_shift = nz_u_shift_l
1209	nz_v_shift = nz_v_shift_l
1210	nz_w_shift = nz_w_shift_l
1211	nz_s_shift = nz_s_shift_l
1212	#endif
1213
1214	mean_inflow_profiles(:,1) = 0.0_wp
1215	mean_inflow_profiles(nz_u_shift:nzt+1,1) = hom_sum(0:nzt+1-nz_u_shift,1,0) ! u
1216
1217	mean_inflow_profiles(:,2) = 0.0_wp
1218	mean_inflow_profiles(nz_v_shift:nzt+1,2) = hom_sum(0:nzt+1-nz_v_shift,2,0) ! v
1219
1220	mean_inflow_profiles(nz_s_shift:nzt+1,4) = hom_sum(0:nzt+1-nz_s_shift,4,0) ! pt
1221
1222	ENDIF
1223
1224	!
1225	!-- If necessary, adjust the horizontal flow field to the prescribed profiles
1226	IF ( use_prescribed_profile_data ) THEN
1227	DO i = nxlg, nxrg
1228	DO j = nysg, nyng
1229	DO k = nzb, nzt+1
1230	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1231	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1232	ENDDO
1233	ENDDO
1234	ENDDO
1235	ENDIF
1236
1237	!
1238	!-- Use these mean profiles at the inflow (provided that Dirichlet conditions are used)
1239	IF ( bc_dirichlet_l ) THEN
1240	DO j = nysg, nyng
1241	DO k = nzb, nzt+1
1242	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1243	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1244	w(k,j,nxlg:-1) = 0.0_wp
1245	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1246	IF ( humidity ) q(k,j,nxlg:-1) = mean_inflow_profiles(k,6)
1247	IF ( passive_scalar ) s(k,j,nxlg:-1) = mean_inflow_profiles(k,7)
1248	ENDDO
1249	ENDDO
1250	ENDIF
1251
1252	!
1253	!-- Calculate the damping factors to be used at the inflow. For a turbulent inflow the
1254	!-- turbulent fluctuations have to be limited vertically because otherwise the turbulent
1255	!-- inflow layer will grow in time.
1256	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1257	!
1258	!-- Default: use the inversion height calculated by the prerun; if this is zero,
1259	!-- inflow_damping_height must be explicitly specified.
1260	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1261	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1262	ELSE
1263	WRITE( message_string, * ) 'inflow_damping_height must be ', &
1264	'explicitly specified because&the inversion height ', &
1265	'calculated by the prerun is zero.'
1266	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1267	ENDIF
1268
1269	ENDIF
1270
1271	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1272	!
1273	!-- Default for the transition range: one tenth of the undamped layer
1274	inflow_damping_width = 0.1_wp * inflow_damping_height
1275
1276	ENDIF
1277
1278	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1279
1280	DO k = nzb, nzt+1
1281
1282	IF ( zu(k) <= inflow_damping_height ) THEN
1283	inflow_damping_factor(k) = 1.0_wp
1284	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1285	inflow_damping_factor(k) = 1.0_wp - &
1286	( zu(k) - inflow_damping_height ) / inflow_damping_width
1287	ELSE
1288	inflow_damping_factor(k) = 0.0_wp
1289	ENDIF
1290
1291	ENDDO
1292
1293	ENDIF
1294
1295	!
1296	!-- Inside buildings set velocities back to zero
1297	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. topography /= 'flat' ) THEN
1298	!
1299	!-- Inside buildings set velocities back to zero.
1300	!-- Other scalars (pt, q, s, p, sa, ...) are ignored at present,
1301	!-- maybe revise later.
1302	DO i = nxlg, nxrg
1303	DO j = nysg, nyng
1304	DO k = nzb, nzt
1305	u(k,j,i) = MERGE( u(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 1 ) )
1306	v(k,j,i) = MERGE( v(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 2 ) )
1307	w(k,j,i) = MERGE( w(k,j,i), 0.0_wp, BTEST( wall_flags_total_0(k,j,i), 3 ) )
1308	ENDDO
1309	ENDDO
1310	ENDDO
1311
1312	ENDIF
1313
1314	!
1315	!-- Calculate initial temperature field and other constants used in case of a sloping surface
1316	IF ( sloping_surface ) CALL init_slope
1317
1318	!
1319	!-- Initialize new time levels (only done in order to set boundary values including ghost points)
1320	pt_p = pt; u_p = u; v_p = v; w_p = w
1321	IF ( humidity ) THEN
1322	q_p = q
1323	ENDIF
1324	IF ( passive_scalar ) s_p = s
1325	!
1326	!-- Allthough tendency arrays are set in prognostic_equations, they have have to be predefined
1327	!-- here because they are used (but multiplied with 0) there before they are set.
1328	tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1329	IF ( humidity ) THEN
1330	tq_m = 0.0_wp
1331	ENDIF
1332	IF ( passive_scalar ) ts_m = 0.0_wp
1333
1334	IF ( debug_output ) THEN
1335	CALL debug_message( 'initializing in case of restart / cyclic_fill', 'end' )
1336	ENDIF
1337
1338	ELSE
1339	!
1340	!-- Actually this part of the programm should not be reached
1341	message_string = 'unknown initializing problem'
1342	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1343	ENDIF
1344
1345
1346	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1347	!
1348	!-- Initialize old timelevels needed for radiation boundary conditions
1349	IF ( bc_radiation_l ) THEN
1350	u_m_l(:,:,:) = u(:,:,1:2)
1351	v_m_l(:,:,:) = v(:,:,0:1)
1352	w_m_l(:,:,:) = w(:,:,0:1)
1353	ENDIF
1354	IF ( bc_radiation_r ) THEN
1355	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1356	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1357	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1358	ENDIF
1359	IF ( bc_radiation_s ) THEN
1360	u_m_s(:,:,:) = u(:,0:1,:)
1361	v_m_s(:,:,:) = v(:,1:2,:)
1362	w_m_s(:,:,:) = w(:,0:1,:)
1363	ENDIF
1364	IF ( bc_radiation_n ) THEN
1365	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1366	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1367	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1368	ENDIF
1369
1370	ENDIF
1371
1372	!
1373	!-- Calculate the initial volume flow at the right and north boundary
1374	IF ( conserve_volume_flow ) THEN
1375
1376	IF ( use_prescribed_profile_data ) THEN
1377
1378	volume_flow_initial_l = 0.0_wp
1379	volume_flow_area_l = 0.0_wp
1380
1381	IF ( nxr == nx ) THEN
1382	DO j = nys, nyn
1383	DO k = nzb+1, nzt
1384	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1385	u_init(k) * dzw(k) &
1386	* MERGE( 1.0_wp, 0.0_wp, &
1387	BTEST( wall_flags_total_0(k,j,nxr), 1 ) &
1388	)
1389
1390	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1391	* MERGE( 1.0_wp, 0.0_wp, &
1392	BTEST( wall_flags_total_0(k,j,nxr), 1 ) &
1393	)
1394	ENDDO
1395	ENDDO
1396	ENDIF
1397
1398	IF ( nyn == ny ) THEN
1399	DO i = nxl, nxr
1400	DO k = nzb+1, nzt
1401	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1402	v_init(k) * dzw(k) &
1403	* MERGE( 1.0_wp, 0.0_wp, &
1404	BTEST( wall_flags_total_0(k,nyn,i), 2 ) &
1405	)
1406	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1407	* MERGE( 1.0_wp, 0.0_wp, &
1408	BTEST( wall_flags_total_0(k,nyn,i), 2 ) &
1409	)
1410	ENDDO
1411	ENDDO
1412	ENDIF
1413
1414	#if defined( __parallel )
1415	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1), 2, MPI_REAL, &
1416	MPI_SUM, comm2d, ierr )
1417	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), 2, MPI_REAL, MPI_SUM, &
1418	comm2d, ierr )
1419
1420	#else
1421	volume_flow_initial = volume_flow_initial_l
1422	volume_flow_area = volume_flow_area_l
1423	#endif
1424
1425	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1426
1427	volume_flow_initial_l = 0.0_wp
1428	volume_flow_area_l = 0.0_wp
1429
1430	IF ( nxr == nx ) THEN
1431	DO j = nys, nyn
1432	DO k = nzb+1, nzt
1433	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1434	hom_sum(k,1,0) * dzw(k) &
1435	* MERGE( 1.0_wp, 0.0_wp, &
1436	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1437	)
1438	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1439	* MERGE( 1.0_wp, 0.0_wp, &
1440	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1441	)
1442	ENDDO
1443	ENDDO
1444	ENDIF
1445
1446	IF ( nyn == ny ) THEN
1447	DO i = nxl, nxr
1448	DO k = nzb+1, nzt
1449	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1450	hom_sum(k,2,0) * dzw(k) &
1451	* MERGE( 1.0_wp, 0.0_wp, &
1452	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1453	)
1454	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1455	* MERGE( 1.0_wp, 0.0_wp, &
1456	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1457	)
1458	ENDDO
1459	ENDDO
1460	ENDIF
1461
1462	#if defined( __parallel )
1463	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1), 2, MPI_REAL, &
1464	MPI_SUM, comm2d, ierr )
1465	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), 2, MPI_REAL, MPI_SUM, &
1466	comm2d, ierr )
1467
1468	#else
1469	volume_flow_initial = volume_flow_initial_l
1470	volume_flow_area = volume_flow_area_l
1471	#endif
1472
1473	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1474
1475	volume_flow_initial_l = 0.0_wp
1476	volume_flow_area_l = 0.0_wp
1477
1478	IF ( nxr == nx ) THEN
1479	DO j = nys, nyn
1480	DO k = nzb+1, nzt
1481	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1482	u(k,j,nx) * dzw(k) &
1483	* MERGE( 1.0_wp, 0.0_wp, &
1484	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1485	)
1486	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k) &
1487	* MERGE( 1.0_wp, 0.0_wp, &
1488	BTEST( wall_flags_total_0(k,j,nx), 1 ) &
1489	)
1490	ENDDO
1491	ENDDO
1492	ENDIF
1493
1494	IF ( nyn == ny ) THEN
1495	DO i = nxl, nxr
1496	DO k = nzb+1, nzt
1497	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1498	v(k,ny,i) * dzw(k) &
1499	* MERGE( 1.0_wp, 0.0_wp, &
1500	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1501	)
1502	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k) &
1503	* MERGE( 1.0_wp, 0.0_wp, &
1504	BTEST( wall_flags_total_0(k,ny,i), 2 ) &
1505	)
1506	ENDDO
1507	ENDDO
1508	ENDIF
1509
1510	#if defined( __parallel )
1511	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1), 2, MPI_REAL, &
1512	MPI_SUM, comm2d, ierr )
1513	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), 2, MPI_REAL, MPI_SUM, &
1514	comm2d, ierr )
1515
1516	#else
1517	volume_flow_initial = volume_flow_initial_l
1518	volume_flow_area = volume_flow_area_l
1519	#endif
1520
1521	ENDIF
1522
1523	!
1524	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated from u\|v_bulk instead
1525	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1526	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1527	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1528	ENDIF
1529
1530	ENDIF
1531	!
1532	!-- In the following, surface properties can be further initialized with input from static driver
1533	!-- file.
1534	!-- At the moment this affects only default surfaces. For example, roughness length or sensible /
1535	!-- latent heat fluxes can be initialized heterogeneously for default surfaces. Therefore, a generic
1536	!-- routine from netcdf_data_input_mod is called to read a 2D array.
1537	IF ( input_pids_static ) THEN
1538	!
1539	!-- Allocate memory for possible static input
1540	ALLOCATE( tmp_2d%var(nys:nyn,nxl:nxr) )
1541	tmp_2d%var = 0.0_wp
1542	!
1543	!-- Open the static input file
1544	#if defined( __netcdf )
1545	CALL open_read_file( TRIM( input_file_static ) // &
1546	TRIM( coupling_char ), pids_id )
1547
1548	CALL inquire_num_variables( pids_id, num_var_pids )
1549	!
1550	!-- Allocate memory to store variable names and read them
1551	ALLOCATE( vars_pids(1:num_var_pids) )
1552	CALL inquire_variable_names( pids_id, vars_pids )
1553	!
1554	!-- Input roughness length.
1555	IF ( check_existence( vars_pids, 'z0' ) ) THEN
1556	!
1557	!-- Read _FillValue attribute
1558	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, .FALSE., 'z0' )
1559	!
1560	!-- Read variable
1561	CALL get_variable( pids_id, 'z0', tmp_2d%var, nxl, nxr, nys, nyn )
1562	!
1563	!-- Initialize roughness length. Note, z0 will be only initialized at default-type surfaces.
1564	!-- At natural or urban z0 is implicitly initialized by the respective parameter lists.
1565	!-- Initialize horizontal surface elements.
1566	CALL init_single_surface_properties( surf_def_h(0)%z0, tmp_2d%var, surf_def_h(0)%ns, &
1567	tmp_2d%fill, surf_def_h(0)%i, surf_def_h(0)%j )
1568	!
1569	!-- Initialize roughness also at vertical surface elements.
1570	!-- Note, the actual 2D input arrays are only defined on the subdomain. Therefore, pass the
1571	!-- index arrays with their respective offset values.
1572	DO l = 0, 3
1573	CALL init_single_surface_properties( surf_def_v(l)%z0, tmp_2d%var, surf_def_v(l)%ns, &
1574	tmp_2d%fill, surf_def_v(l)%i+surf_def_v(l)%ioff, &
1575	surf_def_v(l)%j+surf_def_v(l)%joff )
1576	ENDDO
1577
1578	ENDIF
1579	!
1580	!-- Input surface sensible heat flux.
1581	IF ( check_existence( vars_pids, 'shf' ) ) THEN
1582	!
1583	!-- Read _FillValue attribute
1584	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, .FALSE., 'shf' )
1585	!
1586	!-- Read variable
1587	CALL get_variable( pids_id, 'shf', tmp_2d%var, nxl, nxr, nys, nyn )
1588	!
1589	!-- Initialize heat flux. Note, shf will be only initialized at default-type surfaces. At
1590	!-- natural or urban shf is implicitly initialized by the respective parameter lists.
1591	!-- Initialize horizontal surface elements.
1592	CALL init_single_surface_properties( surf_def_h(0)%shf, tmp_2d%var, surf_def_h(0)%ns, &
1593	tmp_2d%fill, surf_def_h(0)%i, surf_def_h(0)%j )
1594	!
1595	!-- Initialize heat flux also at vertical surface elements.
1596	!-- Note, the actual 2D input arrays are only defined on the subdomain. Therefore, pass the
1597	!-- index arrays with their respective offset values.
1598	DO l = 0, 3
1599	CALL init_single_surface_properties( surf_def_v(l)%shf, tmp_2d%var, surf_def_v(l)%ns, &
1600	tmp_2d%fill, surf_def_v(l)%i+surf_def_v(l)%ioff, &
1601	surf_def_v(l)%j+surf_def_v(l)%joff )
1602	ENDDO
1603
1604	ENDIF
1605	!
1606	!-- Input surface sensible heat flux.
1607	IF ( check_existence( vars_pids, 'qsws' ) ) THEN
1608	!
1609	!-- Read _FillValue attribute
1610	CALL get_attribute( pids_id, char_fill, tmp_2d%fill, &
1611	.FALSE., 'qsws' )
1612	!
1613	!-- Read variable
1614	CALL get_variable( pids_id, 'qsws', tmp_2d%var, &
1615	nxl, nxr, nys, nyn )
1616	!
1617	!-- Initialize latent heat flux. Note, qsws will be only initialized at default-type surfaces.
1618	!-- At natural or urban qsws is implicitly initialized by the respective parameter lists.
1619	!-- Initialize horizontal surface elements.
1620	CALL init_single_surface_properties( surf_def_h(0)%qsws, tmp_2d%var, surf_def_h(0)%ns, &
1621	tmp_2d%fill, surf_def_h(0)%i, surf_def_h(0)%j )
1622	!
1623	!-- Initialize latent heat flux also at vertical surface elements.
1624	!-- Note, the actual 2D input arrays are only defined on the subdomain. Therefore, pass the
1625	!-- index arrays with their respective offset values.
1626	DO l = 0, 3
1627	CALL init_single_surface_properties( surf_def_v(l)%qsws, tmp_2d%var, surf_def_v(l)%ns,&
1628	tmp_2d%fill, surf_def_v(l)%i+surf_def_v(l)%ioff, &
1629	surf_def_v(l)%j+surf_def_v(l)%joff )
1630	ENDDO
1631
1632	ENDIF
1633	!
1634	!-- Additional variables, can be initialized the
1635	!-- same way.
1636
1637	!
1638	!-- Finally, close the input file and deallocate temporary arrays
1639	DEALLOCATE( vars_pids )
1640
1641	CALL close_input_file( pids_id )
1642	#endif
1643	DEALLOCATE( tmp_2d%var )
1644	ENDIF
1645	!
1646	!-- Finally, if random_heatflux is set, disturb shf at horizontal surfaces. Actually, this should be
1647	!-- done in surface_mod, where all other initializations of surface quantities are done. However,
1648	!-- this would create a ring dependency, hence, it is done here. Maybe delete disturb_heatflux and
1649	!-- tranfer the respective code directly into the initialization in surface_mod.
1650	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1651	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1652
1653	IF ( use_surface_fluxes .AND. constant_heatflux .AND. random_heatflux ) THEN
1654	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
1655	IF ( surf_lsm_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h(0) )
1656	IF ( surf_usm_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_usm_h(0) )
1657	ENDIF
1658	ENDIF
1659
1660	!
1661	!-- Compute total sum of grid points and the mean surface level height for each statistic region.
1662	!-- These are mainly used for horizontal averaging of turbulence statistics.
1663	!-- ngp_2dh: number of grid points of a horizontal cross section through the respective statistic
1664	!-- region
1665	!-- ngp_3d: number of grid points of the respective statistic region
1666	ngp_2dh_outer_l = 0
1667	ngp_2dh_outer = 0
1668	ngp_2dh_s_inner_l = 0
1669	ngp_2dh_s_inner = 0
1670	ngp_2dh_l = 0
1671	ngp_2dh = 0
1672	ngp_3d_inner_l = 0.0_wp
1673	ngp_3d_inner = 0
1674	ngp_3d = 0
1675	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
1676
1677	mean_surface_level_height = 0.0_wp
1678	mean_surface_level_height_l = 0.0_wp
1679	!
1680	!-- To do: New concept for these non-topography grid points!
1681	DO sr = 0, statistic_regions
1682	DO i = nxl, nxr
1683	DO j = nys, nyn
1684	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
1685	!
1686	!-- All xy-grid points
1687	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
1688	!
1689	!-- Determine mean surface-level height. In case of downward-facing walls are present,
1690	!-- more than one surface level exist.
1691	!-- In this case, use the lowest surface-level height.
1692	IF ( surf_def_h(0)%start_index(j,i) <= surf_def_h(0)%end_index(j,i) ) THEN
1693	m = surf_def_h(0)%start_index(j,i)
1694	k = surf_def_h(0)%k(m)
1695	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) + zw(k-1)
1696	ENDIF
1697	IF ( surf_lsm_h(0)%start_index(j,i) <= surf_lsm_h(0)%end_index(j,i) ) THEN
1698	m = surf_lsm_h(0)%start_index(j,i)
1699	k = surf_lsm_h(0)%k(m)
1700	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) + zw(k-1)
1701	ENDIF
1702	IF ( surf_usm_h(0)%start_index(j,i) <= surf_usm_h(0)%end_index(j,i) ) THEN
1703	m = surf_usm_h(0)%start_index(j,i)
1704	k = surf_usm_h(0)%k(m)
1705	mean_surface_level_height_l(sr) = mean_surface_level_height_l(sr) + zw(k-1)
1706	ENDIF
1707
1708	k_surf = k - 1
1709
1710	DO k = nzb, nzt+1
1711	!
1712	!-- xy-grid points above topography
1713	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + &
1714	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 24 ) )
1715
1716	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + &
1717	MERGE( 1, 0, BTEST( wall_flags_total_0(k,j,i), 22 ) )
1718
1719	ENDDO
1720	!
1721	!-- All grid points of the total domain above topography
1722	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + ( nz - k_surf + 2 )
1723
1724
1725
1726	ENDIF
1727	ENDDO
1728	ENDDO
1729	ENDDO
1730
1731	sr = statistic_regions + 1
1732	#if defined( __parallel )
1733	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1734	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
1735	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1736	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, MPI_INTEGER, MPI_SUM, &
1737	comm2d, ierr )
1738	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1739	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), (nz+2)*sr, MPI_INTEGER, &
1740	MPI_SUM, comm2d, ierr )
1741	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1742	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, MPI_SUM, comm2d, &
1743	ierr )
1744	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
1745	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1746	CALL MPI_ALLREDUCE( mean_surface_level_height_l(0), mean_surface_level_height(0), sr, MPI_REAL,&
1747	MPI_SUM, comm2d, ierr )
1748	mean_surface_level_height = mean_surface_level_height / REAL( ngp_2dh )
1749	#else
1750	ngp_2dh = ngp_2dh_l
1751	ngp_2dh_outer = ngp_2dh_outer_l
1752	ngp_2dh_s_inner = ngp_2dh_s_inner_l
1753	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
1754	mean_surface_level_height = mean_surface_level_height_l / REAL( ngp_2dh_l )
1755	#endif
1756
1757	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
1758	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
1759
1760	!
1761	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics, buoyancy, etc. A
1762	!-- zero value will occur for cases where all grid points of the respective subdomain lie below the
1763	!-- surface topography
1764	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
1765	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), ngp_3d_inner(:) )
1766	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
1767
1768	DEALLOCATE( mean_surface_level_height_l, ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, &
1769	ngp_3d_inner_tmp )
1770
1771	!
1772	!-- Initializae 3D offline nesting in COSMO model and read data from
1773	!-- external NetCDF file.
1774	IF ( nesting_offline ) CALL nesting_offl_init
1775	!
1776	!-- Initialize quantities for special advections schemes
1777	CALL init_advec
1778
1779	!
1780	!-- Impose random perturbation on the horizontal velocity field and then
1781	!-- remove the divergences from the velocity field at the initial stage
1782	IF ( create_disturbances .AND. disturbance_energy_limit /= 0.0_wp .AND. &
1783	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1784	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1785
1786	IF ( debug_output ) THEN
1787	CALL debug_message( 'creating disturbances + applying pressure solver', 'start' )
1788	ENDIF
1789	!
1790	!-- Needed for both disturb_field and pres
1791	!$ACC DATA &
1792	!$ACC CREATE(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1793	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1794	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
1795
1796	CALL disturb_field( 'u', tend, u )
1797	CALL disturb_field( 'v', tend, v )
1798
1799	!$ACC DATA &
1800	!$ACC CREATE(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
1801	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1802	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1803	!$ACC COPYIN(rho_air(nzb:nzt+1), rho_air_zw(nzb:nzt+1)) &
1804	!$ACC COPYIN(ddzu(1:nzt+1), ddzw(1:nzt+1)) &
1805	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
1806	!$ACC COPYIN(bc_h(0:1)) &
1807	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
1808	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
1809	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
1810	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
1811	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
1812	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
1813
1814	n_sor = nsor_ini
1815	CALL pres
1816	n_sor = nsor
1817
1818	!$ACC END DATA
1819	!$ACC END DATA
1820
1821	IF ( debug_output ) THEN
1822	CALL debug_message( 'creating disturbances + applying pressure solver', 'end' )
1823	ENDIF
1824
1825	ENDIF
1826
1827	IF ( .NOT. ocean_mode ) THEN
1828
1829	ALLOCATE( hyp(nzb:nzt+1) )
1830	ALLOCATE( d_exner(nzb:nzt+1) )
1831	ALLOCATE( exner(nzb:nzt+1) )
1832	ALLOCATE( hyrho(nzb:nzt+1) )
1833	!
1834	!-- Check temperature in case of too large domain height
1835	DO k = nzb, nzt+1
1836	IF ( ( pt_surface * exner_function( surface_pressure * 100.0_wp ) - g/c_p * zu(k) ) &
1837	< 0.0_wp ) THEN
1838	WRITE( message_string, * ) 'absolute temperature < 0.0 at zu(', k, ') = ', zu(k)
1839	CALL message( 'init_3d_model', 'PA0142', 1, 2, 0, 6, 0 )
1840	ENDIF
1841	ENDDO
1842
1843	!
1844	!-- Calculate vertical profile of the hydrostatic pressure (hyp)
1845	hyp = barometric_formula( zu, pt_surface * exner_function( surface_pressure * 100.0_wp ),&
1846	surface_pressure * 100.0_wp )
1847	d_exner = exner_function_invers( hyp )
1848	exner = 1.0_wp / exner_function_invers( hyp )
1849	hyrho = ideal_gas_law_rho_pt( hyp, pt_init )
1850	!
1851	!-- Compute reference density
1852	rho_surface = ideal_gas_law_rho( surface_pressure * 100.0_wp, &
1853	pt_surface * exner_function( surface_pressure * 100.0_wp ) )
1854
1855	ENDIF
1856
1857	!
1858	!-- If required, initialize particles
1859	IF ( agents_active ) CALL mas_init
1860	!
1861	!-- Initialization of synthetic turbulence generator
1862	IF ( use_syn_turb_gen ) CALL stg_init
1863	!
1864	!-- Initializing actions for all other modules
1865	CALL module_interface_init
1866	!
1867	!-- Initialize surface layer (done after LSM as roughness length are required for initialization
1868	IF ( constant_flux_layer ) CALL init_surface_layer_fluxes
1869	!
1870	!-- Initialize surface data output
1871	IF ( surface_output ) CALL surface_data_output_init
1872	!
1873	!-- Initialize the ws-scheme.
1874	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1875	!
1876	!-- Perform post-initializing checks for all other modules
1877	CALL module_interface_init_checks
1878
1879	!
1880	!-- Initialize surface forcing corresponding to large-scale forcing. Therein,
1881	!-- initialize heat-fluxes, etc. via datatype. Revise it later!
1882	IF ( large_scale_forcing .AND. lsf_surf ) THEN
1883	IF ( use_surface_fluxes .AND. constant_heatflux ) THEN
1884	CALL ls_forcing_surf( simulated_time )
1885	ENDIF
1886	ENDIF
1887	!
1888	!-- Setting weighting factors for calculation of perturbation pressure and turbulent quantities from
1889	!-- the RK substeps.
1890	IF ( TRIM( timestep_scheme ) == 'runge-kutta-3' ) THEN ! for RK3-method
1891
1892	weight_substep(1) = 1._wp/6._wp
1893	weight_substep(2) = 3._wp/10._wp
1894	weight_substep(3) = 8._wp/15._wp
1895
1896	weight_pres(1) = 1._wp/3._wp
1897	weight_pres(2) = 5._wp/12._wp
1898	weight_pres(3) = 1._wp/4._wp
1899
1900	ELSEIF ( TRIM( timestep_scheme ) == 'runge-kutta-2' ) THEN ! for RK2-method
1901
1902	weight_substep(1) = 1._wp/2._wp
1903	weight_substep(2) = 1._wp/2._wp
1904
1905	weight_pres(1) = 1._wp/2._wp
1906	weight_pres(2) = 1._wp/2._wp
1907
1908	ELSE ! for Euler-method
1909
1910	weight_substep(1) = 1.0_wp
1911	weight_pres(1) = 1.0_wp
1912
1913	ENDIF
1914
1915	!
1916	!-- Initialize Rayleigh damping factors
1917	rdf = 0.0_wp
1918	rdf_sc = 0.0_wp
1919	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1920
1921	IF ( .NOT. ocean_mode ) THEN
1922	DO k = nzb+1, nzt
1923	IF ( zu(k) >= rayleigh_damping_height ) THEN
1924	rdf(k) = rayleigh_damping_factor * &
1925	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
1926	/ ( zu(nzt) - rayleigh_damping_height ) ) &
1927	)**2
1928	ENDIF
1929	ENDDO
1930	ELSE
1931	!
1932	!-- In ocean mode, rayleigh damping is applied in the lower part of the model domain
1933	DO k = nzt, nzb+1, -1
1934	IF ( zu(k) <= rayleigh_damping_height ) THEN
1935	rdf(k) = rayleigh_damping_factor * &
1936	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
1937	/ ( rayleigh_damping_height - zu(nzb+1) ) ) &
1938	)**2
1939	ENDIF
1940	ENDDO
1941	ENDIF
1942
1943	ENDIF
1944	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
1945
1946	!
1947	!-- Initialize the starting level and the vertical smoothing factor used for the external pressure
1948	!-- gradient
1949	dp_smooth_factor = 1.0_wp
1950	IF ( dp_external ) THEN
1951	!
1952	!-- Set the starting level dp_level_ind_b only if it has not been set before (e.g. in init_grid).
1953	IF ( dp_level_ind_b == 0 ) THEN
1954	ind_array = MINLOC( ABS( dp_level_b - zu ) )
1955	dp_level_ind_b = ind_array(1) - 1 + nzb
1956	! MINLOC uses lower array bound 1
1957	ENDIF
1958	IF ( dp_smooth ) THEN
1959	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
1960	DO k = dp_level_ind_b+1, nzt
1961	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
1962	( REAL( k - dp_level_ind_b, KIND=wp ) / &
1963	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
1964	ENDDO
1965	ENDIF
1966	ENDIF
1967
1968	!
1969	!-- Initialize damping zone for the potential temperature in case of non-cyclic lateral boundaries.
1970	!-- The damping zone has the maximum value at the inflow boundary and decreases to zero at
1971	!-- pt_damping_width.
1972	ptdf_x = 0.0_wp
1973	ptdf_y = 0.0_wp
1974	IF ( bc_lr_dirrad ) THEN
1975	DO i = nxl, nxr
1976	IF ( ( i * dx ) < pt_damping_width ) THEN
1977	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
1978	REAL( pt_damping_width - i * dx, KIND=wp ) / &
1979	REAL( pt_damping_width, KIND=wp ) ) )**2
1980	ENDIF
1981	ENDDO
1982	ELSEIF ( bc_lr_raddir ) THEN
1983	DO i = nxl, nxr
1984	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
1985	ptdf_x(i) = pt_damping_factor * SIN( pi * 0.5_wp * &
1986	( ( i - nx ) * dx + pt_damping_width ) / &
1987	REAL( pt_damping_width, KIND=wp ) )**2
1988	ENDIF
1989	ENDDO
1990	ELSEIF ( bc_ns_dirrad ) THEN
1991	DO j = nys, nyn
1992	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
1993	ptdf_y(j) = pt_damping_factor * SIN( pi * 0.5_wp * &
1994	( ( j - ny ) * dy + pt_damping_width ) / &
1995	REAL( pt_damping_width, KIND=wp ) )**2
1996	ENDIF
1997	ENDDO
1998	ELSEIF ( bc_ns_raddir ) THEN
1999	DO j = nys, nyn
2000	IF ( ( j * dy ) < pt_damping_width ) THEN
2001	ptdf_y(j) = pt_damping_factor * SIN( pi * 0.5_wp * &
2002	( pt_damping_width - j * dy ) / &
2003	REAL( pt_damping_width, KIND=wp ) )**2
2004	ENDIF
2005	ENDDO
2006	ENDIF
2007
2008	!
2009	!-- Input binary data file is not needed anymore. This line must be placed after call of user_init!
2010	CALL close_file( 13 )
2011	!
2012	!-- In case of nesting, put an barrier to assure that all parent and child domains finished
2013	!-- initialization.
2014	#if defined( __parallel )
2015	IF ( nested_run ) CALL MPI_BARRIER( MPI_COMM_WORLD, ierr )
2016	#endif
2017
2018
2019	CALL location_message( 'model initialization', 'finished' )
2020
2021	END SUBROUTINE init_3d_model

Note: See TracBrowser for help on using the repository browser.

Context Navigation

source: palm/trunk/SOURCE/init_3d_model.f90 @ 4790

Download in other formats: