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source: palm/trunk/SOURCE/time_integration.f90 @ 2978

Last change on this file since 2978 was 2977, checked in by kanani, 7 years ago
Fixes for radiative transfer model
Property svn:keywords set to `Id`
File size: 51.6 KB

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1	!> @file time_integration.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 1997-2018 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: time_integration.f90 2977 2018-04-17 10:27:57Z schwenkel $
27	! Implement changes from branch radiation (r2948-2971) with minor modifications.
28	! (moh.hefny)
29	! Fixed bug in if statement
30	!
31	! 2941 2018-04-03 11:54:58Z kanani
32	! Deduct spinup_time from RUN_CONTROL output of main 3d run
33	! (use time_since_reference_point instead of simulated_time)
34	!
35	! 2938 2018-03-27 15:52:42Z suehring
36	! Nesting of dissipation rate in case of RANS mode and TKE-e closure is applied
37	!
38	! 2936 2018-03-27 14:49:27Z suehring
39	! Little formatting adjustment.
40	!
41	! 2817 2018-02-19 16:32:21Z knoop
42	! Preliminary gust module interface implemented
43	!
44	! 2801 2018-02-14 16:01:55Z thiele
45	! Changed lpm from subroutine to module.
46	! Introduce particle transfer in nested models.
47	!
48	! 2776 2018-01-31 10:44:42Z Giersch
49	! Variable use_synthetic_turbulence_generator has been abbreviated
50	!
51	! 2773 2018-01-30 14:12:54Z suehring
52	! - Nesting for chemical species
53	!
54	! 2766 2018-01-22 17:17:47Z kanani
55	! Removed preprocessor directive __chem
56	!
57	! 2718 2018-01-02 08:49:38Z maronga
58	! Corrected "Former revisions" section
59	!
60	! 2696 2017-12-14 17:12:51Z kanani
61	! - Change in file header (GPL part)
62	! - Implementation of uv exposure model (FK)
63	! - Moved vnest_boundary_conds_khkm from tcm_diffusivities to here (TG)
64	! - renamed diffusivities to tcm_diffusivities (TG)
65	! - implement prognostic equation for diss (TG)
66	! - Moved/commented CALL to chem_emissions (FK)
67	! - Added CALL to chem_emissions (FK)
68	! - Implementation of chemistry module (FK)
69	! - Calls for setting boundary conditions in USM and LSM (MS)
70	! - Large-scale forcing with larger-scale models implemented (MS)
71	! - Rename usm_radiation into radiation_interactions; merge with branch
72	! radiation (MS)
73	! - added call for usm_green_heat_model for green building surfaces (RvT)
74	! - added call for usm_temperature_near_surface for use in indoor model (RvT)
75	!
76	! 2617 2017-11-16 12:47:24Z suehring
77	! Bugfix, assure that the reference state does not become zero.
78	!
79	! 2563 2017-10-19 15:36:10Z Giersch
80	! Variable wind_turbine moved to module control_parameters
81	!
82	! 2365 2017-08-21 14:59:59Z kanani
83	! Vertical grid nesting implemented (SadiqHuq)
84	!
85	! 2320 2017-07-21 12:47:43Z suehring
86	! Set bottom boundary conditions after nesting interpolation and anterpolation
87	!
88	! 2299 2017-06-29 10:14:38Z maronga
89	! Call of soil model adjusted
90	!
91	! 2292 2017-06-20 09:51:42Z schwenkel
92	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
93	! includes two more prognostic equations for cloud drop concentration (nc)
94	! and cloud water content (qc).
95	!
96	! 2271 2017-06-09 12:34:55Z sward
97	! Start timestep message changed
98	!
99	! 2259 2017-06-08 09:09:11Z gronemeier
100	! Implemented synthetic turbulence generator
101	!
102	! 2233 2017-05-30 18:08:54Z suehring
103	!
104	! 2232 2017-05-30 17:47:52Z suehring
105	! Adjustments to new topography and surface concept
106	! Modify passed parameters for disturb_field
107	!
108	! 2178 2017-03-17 11:07:39Z hellstea
109	! Setting perturbations at all times near inflow boundary is removed
110	! in case of nested boundaries
111	!
112	! 2174 2017-03-13 08:18:57Z maronga
113	! Added support for nesting with cloud microphysics
114	!
115	! 2118 2017-01-17 16:38:49Z raasch
116	! OpenACC directives and related code removed
117	!
118	! 2050 2016-11-08 15:00:55Z gronemeier
119	! Implement turbulent outflow condition
120	!
121	! 2031 2016-10-21 15:11:58Z knoop
122	! renamed variable rho to rho_ocean
123	!
124	! 2011 2016-09-19 17:29:57Z kanani
125	! Flag urban_surface is now defined in module control_parameters,
126	! removed commented CALLs of global_min_max.
127	!
128	! 2007 2016-08-24 15:47:17Z kanani
129	! Added CALLs for new urban surface model
130	!
131	! 2000 2016-08-20 18:09:15Z knoop
132	! Forced header and separation lines into 80 columns
133	!
134	! 1976 2016-07-27 13:28:04Z maronga
135	! Simplified calls to radiation model
136	!
137	! 1960 2016-07-12 16:34:24Z suehring
138	! Separate humidity and passive scalar
139	!
140	! 1957 2016-07-07 10:43:48Z suehring
141	! flight module added
142	!
143	! 1919 2016-05-27 14:51:23Z raasch
144	! Initial version of purely vertical nesting introduced.
145	!
146	! 1918 2016-05-27 14:35:57Z raasch
147	! determination of time step moved to the end of the time step loop,
148	! the first time step is now always calculated before the time step loop (i.e.
149	! also in case of restart runs)
150	!
151	! 1914 2016-05-26 14:44:07Z witha
152	! Added call for wind turbine model
153	!
154	! 1878 2016-04-19 12:30:36Z hellstea
155	! Synchronization for nested runs rewritten
156	!
157	! 1853 2016-04-11 09:00:35Z maronga
158	! Adjusted for use with radiation_scheme = constant
159	!
160	! 1849 2016-04-08 11:33:18Z hoffmann
161	! Adapted for modularization of microphysics
162	!
163	! 1833 2016-04-07 14:23:03Z raasch
164	! spectrum renamed spectra_mod, spectra related variables moved to spectra_mod
165	!
166	! 1831 2016-04-07 13:15:51Z hoffmann
167	! turbulence renamed collision_turbulence
168	!
169	! 1822 2016-04-07 07:49:42Z hoffmann
170	! icloud_scheme replaced by microphysics_*
171	!
172	! 1808 2016-04-05 19:44:00Z raasch
173	! output message in case unscheduled radiation calls removed
174	!
175	! 1797 2016-03-21 16:50:28Z raasch
176	! introduction of different datatransfer modes
177	!
178	! 1791 2016-03-11 10:41:25Z raasch
179	! call of pmci_update_new removed
180	!
181	! 1786 2016-03-08 05:49:27Z raasch
182	! +module spectrum
183	!
184	! 1783 2016-03-06 18:36:17Z raasch
185	! switch back of netcdf data format for mask output moved to the mask output
186	! routine
187	!
188	! 1781 2016-03-03 15:12:23Z raasch
189	! some pmc calls removed at the beginning (before timeloop),
190	! pmc initialization moved to the main program
191	!
192	! 1764 2016-02-28 12:45:19Z raasch
193	! PMC_ACTIVE flags removed,
194	! bugfix: nest synchronization after first call of timestep
195	!
196	! 1762 2016-02-25 12:31:13Z hellstea
197	! Introduction of nested domain feature
198	!
199	! 1736 2015-12-04 08:56:33Z raasch
200	! no perturbations added to total domain if energy limit has been set zero
201	!
202	! 1691 2015-10-26 16:17:44Z maronga
203	! Added option for spin-ups without land surface and radiation models. Moved calls
204	! for radiation and lan surface schemes.
205	!
206	! 1682 2015-10-07 23:56:08Z knoop
207	! Code annotations made doxygen readable
208	!
209	! 1671 2015-09-25 03:29:37Z raasch
210	! bugfix: ghostpoint exchange for array diss in case that sgs velocities are used
211	! for particles
212	!
213	! 1585 2015-04-30 07:05:52Z maronga
214	! Moved call of radiation scheme. Added support for RRTM
215	!
216	! 1551 2015-03-03 14:18:16Z maronga
217	! Added interface for different radiation schemes.
218	!
219	! 1496 2014-12-02 17:25:50Z maronga
220	! Added calls for the land surface model and radiation scheme
221	!
222	! 1402 2014-05-09 14:25:13Z raasch
223	! location messages modified
224	!
225	! 1384 2014-05-02 14:31:06Z raasch
226	! location messages added
227	!
228	! 1380 2014-04-28 12:40:45Z heinze
229	! CALL of nudge_ref added
230	! bc_pt_t_val and bc_q_t_val are updated in case nudging is used
231	!
232	! 1365 2014-04-22 15:03:56Z boeske
233	! Reset sums_ls_l to zero at each timestep
234	! +sums_ls_l
235	! Calculation of reference state (previously in subroutine calc_mean_profile)
236
237	! 1342 2014-03-26 17:04:47Z kanani
238	! REAL constants defined as wp-kind
239	!
240	! 1320 2014-03-20 08:40:49Z raasch
241	! ONLY-attribute added to USE-statements,
242	! kind-parameters added to all INTEGER and REAL declaration statements,
243	! kinds are defined in new module kinds,
244	! old module precision_kind is removed,
245	! revision history before 2012 removed,
246	! comment fields (!:) to be used for variable explanations added to
247	! all variable declaration statements
248	! 1318 2014-03-17 13:35:16Z raasch
249	! module interfaces removed
250	!
251	! 1308 2014-03-13 14:58:42Z fricke
252	! +netcdf_data_format_save
253	! For masked data, parallel netcdf output is not tested so far, hence
254	! netcdf_data_format is switched back to non-paralell output.
255	!
256	! 1276 2014-01-15 13:40:41Z heinze
257	! Use LSF_DATA also in case of Dirichlet bottom boundary condition for scalars
258	!
259	! 1257 2013-11-08 15:18:40Z raasch
260	! acc-update-host directive for timestep removed
261	!
262	! 1241 2013-10-30 11:36:58Z heinze
263	! Generalize calc_mean_profile for wider use
264	! Determine shf and qsws in dependence on data from LSF_DATA
265	! Determine ug and vg in dependence on data from LSF_DATA
266	! 1221 2013-09-10 08:59:13Z raasch
267	! host update of arrays before timestep is called
268	!
269	! 1179 2013-06-14 05:57:58Z raasch
270	! mean profiles for reference state are only calculated if required,
271	! small bugfix for background communication
272	!
273	! 1171 2013-05-30 11:27:45Z raasch
274	! split of prognostic_equations deactivated (comment lines), for the time being
275	!
276	! 1128 2013-04-12 06:19:32Z raasch
277	! asynchronous transfer of ghost point data realized for acc-optimized version:
278	! prognostic_equations are first called two times for those points required for
279	! the left-right and north-south exchange, respectively, and then for the
280	! remaining points,
281	! those parts requiring global communication moved from prognostic_equations to
282	! here
283	!
284	! 1115 2013-03-26 18:16:16Z hoffmann
285	! calculation of qr and nr is restricted to precipitation
286	!
287	! 1113 2013-03-10 02:48:14Z raasch
288	! GPU-porting of boundary conditions,
289	! openACC directives updated
290	! formal parameter removed from routine boundary_conds
291	!
292	! 1111 2013-03-08 23:54:10Z raasch
293	! +internal timestep counter for cpu statistics added,
294	! openACC directives updated
295	!
296	! 1092 2013-02-02 11:24:22Z raasch
297	! unused variables removed
298	!
299	! 1065 2012-11-22 17:42:36Z hoffmann
300	! exchange of diss (dissipation rate) in case of turbulence = .TRUE. added
301	!
302	! 1053 2012-11-13 17:11:03Z hoffmann
303	! exchange of ghost points for nr, qr added
304	!
305	! 1036 2012-10-22 13:43:42Z raasch
306	! code put under GPL (PALM 3.9)
307	!
308	! 1019 2012-09-28 06:46:45Z raasch
309	! non-optimized version of prognostic_equations removed
310	!
311	! 1015 2012-09-27 09:23:24Z raasch
312	! +call of prognostic_equations_acc
313	!
314	! 1001 2012-09-13 14:08:46Z raasch
315	! all actions concerning leapfrog- and upstream-spline-scheme removed
316	!
317	! 849 2012-03-15 10:35:09Z raasch
318	! advec_particles renamed lpm, first_call_advec_particles renamed first_call_lpm
319	!
320	! 825 2012-02-19 03:03:44Z raasch
321	! wang_collision_kernel renamed wang_kernel
322	!
323	! Revision 1.1 1997/08/11 06:19:04 raasch
324	! Initial revision
325	!
326	!
327	! Description:
328	! ------------
329	!> Integration in time of the model equations, statistical analysis and graphic
330	!> output
331	!------------------------------------------------------------------------------!
332	SUBROUTINE time_integration
333
334
335	USE advec_ws, &
336	ONLY: ws_statistics
337
338	USE arrays_3d, &
339	ONLY: diss, diss_p, dzu, e, e_p, nc, nc_p, nr, nr_p, prho, pt, pt_p, pt_init, &
340	q_init, q, qc, qc_p, ql, ql_c, ql_v, ql_vp, qr, qr_p, q_p, &
341	ref_state, rho_ocean, s, s_p, sa_p, tend, u, u_p, v, vpt, &
342	v_p, w, w_p
343
344	USE calc_mean_profile_mod, &
345	ONLY: calc_mean_profile
346
347	USE chemistry_model_mod, &
348	ONLY: chem_emissions, chem_species
349
350	USE chem_modules, &
351	ONLY: nspec
352
353	USE control_parameters, &
354	ONLY: advected_distance_x, advected_distance_y, air_chemistry, &
355	average_count_3d, averaging_interval, averaging_interval_pr, &
356	bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
357	bc_q_t_val, call_psolver_at_all_substeps, cloud_droplets, &
358	cloud_physics, constant_flux_layer, constant_heatflux, &
359	create_disturbances, dopr_n, constant_diffusion, coupling_mode, &
360	coupling_start_time, current_timestep_number, &
361	disturbance_created, disturbance_energy_limit, dist_range, &
362	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, &
363	dt_coupling, dt_data_output_av, dt_disturb, dt_do2d_xy, &
364	dt_do2d_xz, dt_do2d_yz, dt_do3d, dt_domask,dt_dopts, dt_dopr, &
365	dt_dopr_listing, dt_dots, dt_dvrp, dt_run_control, end_time, &
366	first_call_lpm, forcing, galilei_transformation, humidity, &
367	intermediate_timestep_count, intermediate_timestep_count_max, &
368	land_surface, large_scale_forcing, &
369	loop_optimization, lsf_surf, lsf_vert, masks, &
370	microphysics_morrison, microphysics_seifert, mid, nest_domain, &
371	neutral, nr_timesteps_this_run, nudging, &
372	ocean, passive_scalar, prho_reference, pt_reference, &
373	pt_slope_offset, random_heatflux, rans_mode, &
374	rans_tke_e, run_coupled, simulated_time, simulated_time_chr, &
375	skip_time_do2d_xy, skip_time_do2d_xz, skip_time_do2d_yz, &
376	skip_time_do3d, skip_time_domask, skip_time_dopr, &
377	skip_time_data_output_av, sloping_surface, &
378	stop_dt, terminate_coupled, terminate_run, timestep_scheme, &
379	time_coupling, time_do2d_xy, time_do2d_xz, time_do2d_yz, &
380	time_do3d, time_domask, time_dopr, time_dopr_av, &
381	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, &
382	time_dots, time_do_av, time_do_sla, time_disturb, time_dvrp, &
383	time_run_control, time_since_reference_point, &
384	turbulent_inflow, turbulent_outflow, urban_surface, &
385	use_initial_profile_as_reference, &
386	use_single_reference_value, uv_exposure, u_gtrans, v_gtrans, &
387	virtual_flight, wind_turbine, ws_scheme_mom, ws_scheme_sca
388
389	USE cpulog, &
390	ONLY: cpu_log, log_point, log_point_s
391
392	USE flight_mod, &
393	ONLY: flight_measurement
394
395	USE gust_mod, &
396	ONLY: gust_actions, gust_module_enabled
397
398	USE indices, &
399	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg, nzb, nzt
400
401	USE interaction_droplets_ptq_mod, &
402	ONLY: interaction_droplets_ptq
403
404	USE interfaces
405
406	USE kinds
407
408	USE land_surface_model_mod, &
409	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, &
410	skip_time_do_lsm
411
412	USE lsf_nudging_mod, &
413	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref, &
414	forcing_bc, forcing_bc_mass_conservation
415
416	USE netcdf_data_input_mod, &
417	ONLY: force, netcdf_data_input_lsf
418
419	USE microphysics_mod, &
420	ONLY: collision_turbulence
421
422	USE particle_attributes, &
423	ONLY: particle_advection, particle_advection_start, &
424	use_sgs_for_particles, wang_kernel
425
426	USE pegrid
427
428	USE pmc_interface, &
429	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, &
430	pmci_ensure_nest_mass_conservation, pmci_synchronize
431
432	USE progress_bar, &
433	ONLY: finish_progress_bar, output_progress_bar
434
435	USE prognostic_equations_mod, &
436	ONLY: prognostic_equations_cache, prognostic_equations_vector
437
438	USE radiation_model_mod, &
439	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control,&
440	radiation_interaction, radiation_interactions, &
441	skip_time_do_radiation, time_radiation
442
443	USE spectra_mod, &
444	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, &
445	skip_time_dosp
446
447	USE statistics, &
448	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l, u_max, &
449	u_max_ijk, v_max, v_max_ijk, w_max, w_max_ijk
450
451	USE surface_layer_fluxes_mod, &
452	ONLY: surface_layer_fluxes
453
454	USE surface_mod, &
455	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
456
457	USE turbulence_closure_mod, &
458	ONLY: tcm_diffusivities, production_e_init
459
460	USE urban_surface_mod, &
461	ONLY: usm_boundary_condition, usm_material_heat_model, &
462	usm_material_model, &
463	usm_surface_energy_balance, usm_green_heat_model, &
464	usm_temperature_near_surface
465
466	USE synthetic_turbulence_generator_mod, &
467	ONLY: stg_main, use_syn_turb_gen
468
469	USE user_actions_mod, &
470	ONLY: user_actions
471
472	USE uv_exposure_model_mod, &
473	ONLY: uvem_calc_exposure
474
475	USE wind_turbine_model_mod, &
476	ONLY: wtm_forces
477
478	USE lpm_mod, &
479	ONLY: lpm
480
481	USE vertical_nesting_mod, &
482	ONLY: vnested, vnest_anterpolate, vnest_anterpolate_e, &
483	vnest_boundary_conds, vnest_boundary_conds_khkm, &
484	vnest_deallocate, vnest_init, vnest_init_fine, &
485	vnest_start_time
486
487	IMPLICIT NONE
488
489	CHARACTER (LEN=9) :: time_to_string !<
490	INTEGER :: n
491	INTEGER :: lsp
492
493	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
494	!< steering of run control output interval
495	!
496	!-- At beginning determine the first time step
497	CALL timestep
498	!
499	!-- Synchronize the timestep in case of nested run.
500	IF ( nested_run ) THEN
501	!
502	!-- Synchronization by unifying the time step.
503	!-- Global minimum of all time-steps is used for all.
504	CALL pmci_synchronize
505	ENDIF
506
507	!
508	!-- Determine and print out the run control quantities before the first time
509	!-- step of this run. For the initial run, some statistics (e.g. divergence)
510	!-- need to be determined first.
511	IF ( simulated_time == 0.0_wp ) CALL flow_statistics
512	CALL run_control
513	!
514	!-- Data exchange between coupled models in case that a call has been omitted
515	!-- at the end of the previous run of a job chain.
516	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested) THEN
517	!
518	!-- In case of model termination initiated by the local model the coupler
519	!-- must not be called because this would again cause an MPI hang.
520	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
521	CALL surface_coupler
522	time_coupling = time_coupling - dt_coupling
523	ENDDO
524	IF (time_coupling == 0.0_wp .AND. &
525	time_since_reference_point < dt_coupling ) &
526	THEN
527	time_coupling = time_since_reference_point
528	ENDIF
529	ENDIF
530
531	#if defined( __dvrp_graphics )
532	!
533	!-- Time measurement with dvrp software
534	CALL DVRP_LOG_EVENT( 2, current_timestep_number )
535	#endif
536
537	CALL location_message( 'starting timestep-sequence', .TRUE. )
538	!
539	!-- Start of the time loop
540	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. &
541	.NOT. terminate_run )
542
543	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
544	!
545	!-- Vertical nesting: initialize fine grid
546	IF ( vnested ) THEN
547	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
548	CALL cpu_log( log_point(80), 'vnest_init', 'start' )
549	CALL vnest_init_fine
550	vnest_init = .TRUE.
551	CALL cpu_log( log_point(80), 'vnest_init', 'stop' )
552	ENDIF
553	ENDIF
554	!
555	!-- Determine ug, vg and w_subs in dependence on data from external file
556	!-- LSF_DATA
557	IF ( large_scale_forcing .AND. lsf_vert ) THEN
558	CALL ls_forcing_vert ( simulated_time )
559	sums_ls_l = 0.0_wp
560	ENDIF
561
562	!
563	!-- Set pt_init and q_init to the current profiles taken from
564	!-- NUDGING_DATA
565	IF ( nudging ) THEN
566	CALL nudge_ref ( simulated_time )
567	!
568	!-- Store temperature gradient at the top boundary for possible Neumann
569	!-- boundary condition
570	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
571	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
572	ENDIF
573	!
574	!-- If forcing by larger-scale models is applied, check if new data
575	!-- at domain boundaries need to be read.
576	IF ( forcing ) THEN
577	IF ( force%time(force%tind_p) <= simulated_time ) &
578	CALL netcdf_data_input_lsf
579	ENDIF
580
581	!
582	!-- Execute the gust module actions
583	IF ( gust_module_enabled ) THEN
584	CALL gust_actions( 'before_timestep' )
585	ENDIF
586
587	!
588	!-- Execute the user-defined actions
589	CALL user_actions( 'before_timestep' )
590
591	!
592	!-- Calculate forces by wind turbines
593	IF ( wind_turbine ) THEN
594
595	CALL cpu_log( log_point(55), 'wind_turbine', 'start' )
596
597	CALL wtm_forces
598
599	CALL cpu_log( log_point(55), 'wind_turbine', 'stop' )
600
601	ENDIF
602
603	!
604	!-- Start of intermediate step loop
605	intermediate_timestep_count = 0
606	DO WHILE ( intermediate_timestep_count < &
607	intermediate_timestep_count_max )
608
609	intermediate_timestep_count = intermediate_timestep_count + 1
610
611	!
612	!-- Set the steering factors for the prognostic equations which depend
613	!-- on the timestep scheme
614	CALL timestep_scheme_steering
615
616	!
617	!-- Calculate those variables needed in the tendency terms which need
618	!-- global communication
619	IF ( .NOT. use_single_reference_value .AND. &
620	.NOT. use_initial_profile_as_reference ) THEN
621	!
622	!-- Horizontally averaged profiles to be used as reference state in
623	!-- buoyancy terms (WARNING: only the respective last call of
624	!-- calc_mean_profile defines the reference state!)
625	IF ( .NOT. neutral ) THEN
626	CALL calc_mean_profile( pt, 4 )
627	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
628	ENDIF
629	IF ( ocean ) THEN
630	CALL calc_mean_profile( rho_ocean, 64 )
631	ref_state(:) = hom(:,1,64,0)
632	ENDIF
633	IF ( humidity ) THEN
634	CALL calc_mean_profile( vpt, 44 )
635	ref_state(:) = hom(:,1,44,0)
636	ENDIF
637	!
638	!-- Assure that ref_state does not become zero at any level
639	!-- ( might be the case if a vertical level is completely occupied
640	!-- with topography ).
641	ref_state = MERGE( MAXVAL(ref_state), ref_state, &
642	ref_state == 0.0_wp )
643	ENDIF
644
645	IF ( .NOT. constant_diffusion ) CALL production_e_init
646	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. &
647	intermediate_timestep_count == 1 ) CALL ws_statistics
648	!
649	!-- In case of nudging calculate current nudging time scale and horizontal
650	!-- means of u, v, pt and q
651	IF ( nudging ) THEN
652	CALL calc_tnudge( simulated_time )
653	CALL calc_mean_profile( u, 1 )
654	CALL calc_mean_profile( v, 2 )
655	CALL calc_mean_profile( pt, 4 )
656	CALL calc_mean_profile( q, 41 )
657	ENDIF
658
659	!
660	!-- Solve the prognostic equations. A fast cache optimized version with
661	!-- only one single loop is used in case of Piascek-Williams advection
662	!-- scheme. NEC vector machines use a different version, because
663	!-- in the other versions a good vectorization is prohibited due to
664	!-- inlining problems.
665	IF ( loop_optimization == 'cache' ) THEN
666	CALL prognostic_equations_cache
667	ELSEIF ( loop_optimization == 'vector' ) THEN
668	CALL prognostic_equations_vector
669	ENDIF
670
671	!
672	!-- Particle transport/physics with the Lagrangian particle model
673	!-- (only once during intermediate steps, because it uses an Euler-step)
674	!-- ### particle model should be moved before prognostic_equations, in order
675	!-- to regard droplet interactions directly
676	IF ( particle_advection .AND. &
677	simulated_time >= particle_advection_start .AND. &
678	intermediate_timestep_count == 1 ) THEN
679	CALL lpm
680	first_call_lpm = .FALSE.
681	ENDIF
682
683	!
684	!-- Interaction of droplets with temperature and specific humidity.
685	!-- Droplet condensation and evaporation is calculated within
686	!-- advec_particles.
687	IF ( cloud_droplets .AND. &
688	intermediate_timestep_count == intermediate_timestep_count_max )&
689	THEN
690	CALL interaction_droplets_ptq
691	ENDIF
692
693	!
694	!-- Exchange of ghost points (lateral boundary conditions)
695	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
696
697	CALL exchange_horiz( u_p, nbgp )
698	CALL exchange_horiz( v_p, nbgp )
699	CALL exchange_horiz( w_p, nbgp )
700	CALL exchange_horiz( pt_p, nbgp )
701	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
702	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
703	.OR. use_sgs_for_particles ) THEN
704	IF ( rans_tke_e ) THEN
705	CALL exchange_horiz( diss_p, nbgp )
706	ELSE
707	CALL exchange_horiz( diss, nbgp )
708	ENDIF
709	ENDIF
710	IF ( ocean ) THEN
711	CALL exchange_horiz( sa_p, nbgp )
712	CALL exchange_horiz( rho_ocean, nbgp )
713	CALL exchange_horiz( prho, nbgp )
714	ENDIF
715	IF ( humidity ) THEN
716	CALL exchange_horiz( q_p, nbgp )
717	IF ( cloud_physics .AND. microphysics_morrison ) THEN
718	CALL exchange_horiz( qc_p, nbgp )
719	CALL exchange_horiz( nc_p, nbgp )
720	ENDIF
721	IF ( cloud_physics .AND. microphysics_seifert ) THEN
722	CALL exchange_horiz( qr_p, nbgp )
723	CALL exchange_horiz( nr_p, nbgp )
724	ENDIF
725	ENDIF
726	IF ( cloud_droplets ) THEN
727	CALL exchange_horiz( ql, nbgp )
728	CALL exchange_horiz( ql_c, nbgp )
729	CALL exchange_horiz( ql_v, nbgp )
730	CALL exchange_horiz( ql_vp, nbgp )
731	ENDIF
732	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
733	IF ( air_chemistry ) THEN
734	DO n = 1, nspec
735	CALL exchange_horiz( chem_species(n)%conc_p, nbgp )
736	ENDDO
737	ENDIF
738
739	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
740
741	!
742	!-- Boundary conditions for the prognostic quantities (except of the
743	!-- velocities at the outflow in case of a non-cyclic lateral wall)
744	CALL boundary_conds
745	!
746	!-- Swap the time levels in preparation for the next time step.
747	CALL swap_timelevel
748
749	!
750	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
751	IF ( vnest_init ) THEN
752	CALL cpu_log( log_point(81), 'vnest_anterpolate', 'start' )
753	CALL vnest_anterpolate
754	CALL cpu_log( log_point(81), 'vnest_anterpolate', 'stop' )
755	ENDIF
756
757	IF ( nested_run ) THEN
758
759	CALL cpu_log( log_point(60), 'nesting', 'start' )
760	!
761	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
762	!-- and pmci_child_datatrans are called inside the wrapper
763	!-- subroutine pmci_datatrans according to the control parameters
764	!-- nesting_mode and nesting_datatransfer_mode.
765	!-- TO_DO: why is nesting_mode given as a parameter here?
766	CALL pmci_datatrans( nesting_mode )
767
768	IF ( TRIM( nesting_mode ) == 'two-way' .OR. &
769	nesting_mode == 'vertical' ) THEN
770	!
771	!-- Exchange_horiz is needed for all parent-domains after the
772	!-- anterpolation
773	CALL exchange_horiz( u, nbgp )
774	CALL exchange_horiz( v, nbgp )
775	CALL exchange_horiz( w, nbgp )
776	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
777
778	IF ( humidity ) THEN
779
780	CALL exchange_horiz( q, nbgp )
781
782	IF ( cloud_physics .AND. microphysics_morrison ) THEN
783	CALL exchange_horiz( qc, nbgp )
784	CALL exchange_horiz( nc, nbgp )
785	ENDIF
786	IF ( cloud_physics .AND. microphysics_seifert ) THEN
787	CALL exchange_horiz( qr, nbgp )
788	CALL exchange_horiz( nr, nbgp )
789	ENDIF
790
791	ENDIF
792
793	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
794	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
795
796	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. &
797	rans_tke_e ) &
798	CALL exchange_horiz( diss, nbgp )
799
800	IF ( air_chemistry ) THEN
801	DO n = 1, nspec
802	CALL exchange_horiz( chem_species(n)%conc, nbgp )
803	ENDDO
804	ENDIF
805
806	ENDIF
807	!
808	!-- Set boundary conditions again after interpolation and anterpolation.
809	CALL pmci_boundary_conds
810	!
811	!-- Correct the w top-BC in nest domains to ensure mass conservation.
812	!-- This action must never be done for the root domain. Vertical
813	!-- nesting implies mass conservation.
814	IF ( nest_domain ) THEN
815	CALL pmci_ensure_nest_mass_conservation
816	ENDIF
817
818	CALL cpu_log( log_point(60), 'nesting', 'stop' )
819
820	ENDIF
821
822	!
823	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
824	!-- when a sloping surface is used
825	IF ( sloping_surface ) THEN
826	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - &
827	pt_slope_offset
828	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + &
829	pt_slope_offset
830	ENDIF
831
832	!
833	!-- Impose a turbulent inflow using the recycling method
834	IF ( turbulent_inflow ) CALL inflow_turbulence
835
836	!
837	!-- Impose a turbulent inflow using synthetic generated turbulence
838	IF ( use_syn_turb_gen ) CALL stg_main
839
840	!
841	!-- Set values at outflow boundary using the special outflow condition
842	IF ( turbulent_outflow ) CALL outflow_turbulence
843
844	!
845	!-- Impose a random perturbation on the horizontal velocity field
846	IF ( create_disturbances .AND. &
847	( call_psolver_at_all_substeps .AND. &
848	intermediate_timestep_count == intermediate_timestep_count_max )&
849	.OR. ( .NOT. call_psolver_at_all_substeps .AND. &
850	intermediate_timestep_count == 1 ) ) &
851	THEN
852	time_disturb = time_disturb + dt_3d
853	IF ( time_disturb >= dt_disturb ) THEN
854	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
855	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
856	CALL disturb_field( 'u', tend, u )
857	CALL disturb_field( 'v', tend, v )
858	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
859	.AND. .NOT. nest_domain .AND. .NOT. forcing ) THEN
860	!
861	!-- Runs with a non-cyclic lateral wall need perturbations
862	!-- near the inflow throughout the whole simulation
863	dist_range = 1
864	CALL disturb_field( 'u', tend, u )
865	CALL disturb_field( 'v', tend, v )
866	dist_range = 0
867	ENDIF
868	time_disturb = time_disturb - dt_disturb
869	ENDIF
870	ENDIF
871
872	!
873	!-- Map forcing data derived from larger scale model onto domain
874	!-- boundaries.
875	IF ( forcing .AND. intermediate_timestep_count == &
876	intermediate_timestep_count_max ) THEN
877	CALL forcing_bc
878	!
879	!-- Moreover, ensure mass conservation
880	CALL forcing_bc_mass_conservation
881	ENDIF
882
883	!
884	!-- Reduce the velocity divergence via the equation for perturbation
885	!-- pressure.
886	IF ( intermediate_timestep_count == 1 .OR. &
887	call_psolver_at_all_substeps ) THEN
888
889	IF ( vnest_init ) THEN
890	!
891	!-- Compute pressure in the CG, interpolate top boundary conditions
892	!-- to the FG and then compute pressure in the FG
893	IF ( coupling_mode == 'vnested_crse' ) CALL pres
894
895	CALL cpu_log( log_point(82), 'vnest_bc', 'start' )
896	CALL vnest_boundary_conds
897	CALL cpu_log( log_point(82), 'vnest_bc', 'stop' )
898
899	IF ( coupling_mode == 'vnested_fine' ) CALL pres
900
901	!-- Anterpolate TKE, satisfy Germano Identity
902	CALL cpu_log( log_point(83), 'vnest_anter_e', 'start' )
903	CALL vnest_anterpolate_e
904	CALL cpu_log( log_point(83), 'vnest_anter_e', 'stop' )
905
906	ELSE
907
908	CALL pres
909
910	ENDIF
911
912	ENDIF
913
914	!
915	!-- If required, compute liquid water content
916	IF ( cloud_physics ) THEN
917	CALL calc_liquid_water_content
918	ENDIF
919	!
920	!-- If required, compute virtual potential temperature
921	IF ( humidity ) THEN
922	CALL compute_vpt
923	ENDIF
924
925	!
926	!-- Compute the diffusion quantities
927	IF ( .NOT. constant_diffusion ) THEN
928
929	!
930	!-- Determine surface fluxes shf and qsws and surface values
931	!-- pt_surface and q_surface in dependence on data from external
932	!-- file LSF_DATA respectively
933	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
934	intermediate_timestep_count == intermediate_timestep_count_max )&
935	THEN
936	CALL ls_forcing_surf( simulated_time )
937	ENDIF
938
939	!
940	!-- First the vertical (and horizontal) fluxes in the surface
941	!-- (constant flux) layer are computed
942	IF ( constant_flux_layer ) THEN
943	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
944	CALL surface_layer_fluxes
945	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
946	ENDIF
947	!
948	!-- If required, solve the energy balance for the surface and run soil
949	!-- model. Call for horizontal as well as vertical surfaces
950	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
951
952	CALL cpu_log( log_point(54), 'land_surface', 'start' )
953	!
954	!-- Call for horizontal upward-facing surfaces
955	CALL lsm_energy_balance( .TRUE., -1 )
956	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
957	!
958	!-- Call for northward-facing surfaces
959	CALL lsm_energy_balance( .FALSE., 0 )
960	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
961	!
962	!-- Call for southward-facing surfaces
963	CALL lsm_energy_balance( .FALSE., 1 )
964	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
965	!
966	!-- Call for eastward-facing surfaces
967	CALL lsm_energy_balance( .FALSE., 2 )
968	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
969	!
970	!-- Call for westward-facing surfaces
971	CALL lsm_energy_balance( .FALSE., 3 )
972	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
973	!
974	!-- At the end, set boundary conditons for potential temperature
975	!-- and humidity after running the land-surface model. This
976	!-- might be important for the nesting, where arrays are transfered.
977	CALL lsm_boundary_condition
978
979	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
980	ENDIF
981	!
982	!-- If required, solve the energy balance for urban surfaces and run
983	!-- the material heat model
984	IF (urban_surface) THEN
985	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
986	CALL usm_surface_energy_balance
987	IF ( usm_material_model ) THEN
988	CALL usm_green_heat_model
989	CALL usm_material_heat_model
990	ENDIF
991
992	CALL usm_temperature_near_surface
993	!
994	!-- At the end, set boundary conditons for potential temperature
995	!-- and humidity after running the urban-surface model. This
996	!-- might be important for the nesting, where arrays are transfered.
997	CALL usm_boundary_condition
998
999	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1000	ENDIF
1001	!
1002	!-- Compute the diffusion coefficients
1003	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1004	IF ( .NOT. humidity ) THEN
1005	IF ( ocean ) THEN
1006	CALL tcm_diffusivities( prho, prho_reference )
1007	ELSE
1008	CALL tcm_diffusivities( pt, pt_reference )
1009	ENDIF
1010	ELSE
1011	CALL tcm_diffusivities( vpt, pt_reference )
1012	ENDIF
1013	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1014	!
1015	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
1016	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
1017
1018	ENDIF
1019
1020	!
1021	!-- If required, calculate radiative fluxes and heating rates
1022	IF ( radiation .AND. intermediate_timestep_count &
1023	== intermediate_timestep_count_max .AND. time_since_reference_point > &
1024	skip_time_do_radiation ) THEN
1025
1026	time_radiation = time_radiation + dt_3d
1027
1028	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) &
1029	THEN
1030
1031	CALL cpu_log( log_point(50), 'radiation', 'start' )
1032
1033	IF ( .NOT. force_radiation_call ) THEN
1034	time_radiation = time_radiation - dt_radiation
1035	ENDIF
1036
1037	CALL radiation_control
1038
1039	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1040
1041	IF ( ( urban_surface .OR. land_surface ) .AND. &
1042	radiation_interactions ) THEN
1043	CALL cpu_log( log_point(75), 'radiation_interaction', 'start' )
1044	CALL radiation_interaction
1045	CALL cpu_log( log_point(75), 'radiation_interaction', 'stop' )
1046	ENDIF
1047
1048	ENDIF
1049	ENDIF
1050
1051	ENDDO ! Intermediate step loop
1052	!
1053	!-- If required, consider chemical emissions
1054	!-- (todo (FK): Implement hourly call of emissions, using time_utc from
1055	!-- data_and_time_mod.f90;
1056	!-- move the CALL to appropriate location)
1057	IF ( air_chemistry ) THEN
1058	CALL chem_emissions
1059	ENDIF
1060	!
1061	!-- If required, do UV exposure calculations
1062	IF ( uv_exposure ) THEN
1063	CALL uvem_calc_exposure
1064	ENDIF
1065	!
1066	!-- Increase simulation time and output times
1067	nr_timesteps_this_run = nr_timesteps_this_run + 1
1068	current_timestep_number = current_timestep_number + 1
1069	simulated_time = simulated_time + dt_3d
1070	time_since_reference_point = simulated_time - coupling_start_time
1071	simulated_time_chr = time_to_string( time_since_reference_point )
1072
1073
1074
1075
1076	IF ( simulated_time >= skip_time_data_output_av ) THEN
1077	time_do_av = time_do_av + dt_3d
1078	ENDIF
1079	IF ( simulated_time >= skip_time_do2d_xy ) THEN
1080	time_do2d_xy = time_do2d_xy + dt_3d
1081	ENDIF
1082	IF ( simulated_time >= skip_time_do2d_xz ) THEN
1083	time_do2d_xz = time_do2d_xz + dt_3d
1084	ENDIF
1085	IF ( simulated_time >= skip_time_do2d_yz ) THEN
1086	time_do2d_yz = time_do2d_yz + dt_3d
1087	ENDIF
1088	IF ( simulated_time >= skip_time_do3d ) THEN
1089	time_do3d = time_do3d + dt_3d
1090	ENDIF
1091	DO mid = 1, masks
1092	IF ( simulated_time >= skip_time_domask(mid) ) THEN
1093	time_domask(mid)= time_domask(mid) + dt_3d
1094	ENDIF
1095	ENDDO
1096	time_dvrp = time_dvrp + dt_3d
1097	IF ( simulated_time >= skip_time_dosp ) THEN
1098	time_dosp = time_dosp + dt_3d
1099	ENDIF
1100	time_dots = time_dots + dt_3d
1101	IF ( .NOT. first_call_lpm ) THEN
1102	time_dopts = time_dopts + dt_3d
1103	ENDIF
1104	IF ( simulated_time >= skip_time_dopr ) THEN
1105	time_dopr = time_dopr + dt_3d
1106	ENDIF
1107	time_dopr_listing = time_dopr_listing + dt_3d
1108	time_run_control = time_run_control + dt_3d
1109
1110	!
1111	!-- Data exchange between coupled models
1112	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled &
1113	.AND. .NOT. vnested ) THEN
1114	time_coupling = time_coupling + dt_3d
1115
1116	!
1117	!-- In case of model termination initiated by the local model
1118	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1119	!-- cause an MPI intercomminucation hang.
1120	!-- If necessary, the coupler will be called at the beginning of the
1121	!-- next restart run.
1122	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1123	CALL surface_coupler
1124	time_coupling = time_coupling - dt_coupling
1125	ENDDO
1126	ENDIF
1127
1128	!
1129	!-- Execute the gust module actions
1130	IF ( gust_module_enabled ) THEN
1131	CALL gust_actions( 'after_integration' )
1132	ENDIF
1133
1134	!
1135	!-- Execute user-defined actions
1136	CALL user_actions( 'after_integration' )
1137
1138	!
1139	!-- If Galilei transformation is used, determine the distance that the
1140	!-- model has moved so far
1141	IF ( galilei_transformation ) THEN
1142	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1143	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1144	ENDIF
1145
1146	!
1147	!-- Check, if restart is necessary (because cpu-time is expiring or
1148	!-- because it is forced by user) and set stop flag
1149	!-- This call is skipped if the remote model has already initiated a restart.
1150	IF ( .NOT. terminate_run ) CALL check_for_restart
1151
1152	!
1153	!-- Carry out statistical analysis and output at the requested output times.
1154	!-- The MOD function is used for calculating the output time counters (like
1155	!-- time_dopr) in order to regard a possible decrease of the output time
1156	!-- interval in case of restart runs
1157
1158	!
1159	!-- Set a flag indicating that so far no statistics have been created
1160	!-- for this time step
1161	flow_statistics_called = .FALSE.
1162
1163	!
1164	!-- If required, call flow_statistics for averaging in time
1165	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1166	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1167	simulated_time >= skip_time_dopr ) THEN
1168	time_dopr_av = time_dopr_av + dt_3d
1169	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1170	do_sum = .TRUE.
1171	time_dopr_av = MOD( time_dopr_av, &
1172	MAX( dt_averaging_input_pr, dt_3d ) )
1173	ENDIF
1174	ENDIF
1175	IF ( do_sum ) CALL flow_statistics
1176
1177	!
1178	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1179	IF ( averaging_interval /= 0.0_wp .AND. &
1180	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1181	simulated_time >= skip_time_data_output_av ) &
1182	THEN
1183	time_do_sla = time_do_sla + dt_3d
1184	IF ( time_do_sla >= dt_averaging_input ) THEN
1185	CALL sum_up_3d_data
1186	average_count_3d = average_count_3d + 1
1187	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1188	ENDIF
1189	ENDIF
1190
1191	!
1192	!-- Calculate spectra for time averaging
1193	IF ( averaging_interval_sp /= 0.0_wp .AND. &
1194	( dt_dosp - time_dosp ) <= averaging_interval_sp .AND. &
1195	simulated_time >= skip_time_dosp ) THEN
1196	time_dosp_av = time_dosp_av + dt_3d
1197	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1198	CALL calc_spectra
1199	time_dosp_av = MOD( time_dosp_av, &
1200	MAX( dt_averaging_input_pr, dt_3d ) )
1201	ENDIF
1202	ENDIF
1203
1204	!
1205	!-- Call flight module and output data
1206	IF ( virtual_flight ) THEN
1207	CALL flight_measurement
1208	CALL data_output_flight
1209	ENDIF
1210
1211	!
1212	!-- Profile output (ASCII) on file
1213	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1214	CALL print_1d
1215	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, &
1216	dt_3d ) )
1217	ENDIF
1218
1219	!
1220	!-- Graphic output for PROFIL
1221	IF ( time_dopr >= dt_dopr ) THEN
1222	IF ( dopr_n /= 0 ) CALL data_output_profiles
1223	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1224	time_dopr_av = 0.0_wp ! due to averaging (see above)
1225	ENDIF
1226
1227	!
1228	!-- Graphic output for time series
1229	IF ( time_dots >= dt_dots ) THEN
1230	CALL data_output_tseries
1231	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1232	ENDIF
1233
1234	!
1235	!-- Output of spectra (formatted for use with PROFIL), in case of no
1236	!-- time averaging, spectra has to be calculated before
1237	IF ( time_dosp >= dt_dosp ) THEN
1238	IF ( average_count_sp == 0 ) CALL calc_spectra
1239	CALL data_output_spectra
1240	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1241	ENDIF
1242
1243	!
1244	!-- 2d-data output (cross-sections)
1245	IF ( time_do2d_xy >= dt_do2d_xy ) THEN
1246	CALL data_output_2d( 'xy', 0 )
1247	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1248	ENDIF
1249	IF ( time_do2d_xz >= dt_do2d_xz ) THEN
1250	CALL data_output_2d( 'xz', 0 )
1251	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1252	ENDIF
1253	IF ( time_do2d_yz >= dt_do2d_yz ) THEN
1254	CALL data_output_2d( 'yz', 0 )
1255	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1256	ENDIF
1257
1258	!
1259	!-- 3d-data output (volume data)
1260	IF ( time_do3d >= dt_do3d ) THEN
1261	CALL data_output_3d( 0 )
1262	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1263	ENDIF
1264
1265	!
1266	!-- Masked data output
1267	DO mid = 1, masks
1268	IF ( time_domask(mid) >= dt_domask(mid) ) THEN
1269	CALL data_output_mask( 0 )
1270	time_domask(mid) = MOD( time_domask(mid), &
1271	MAX( dt_domask(mid), dt_3d ) )
1272	ENDIF
1273	ENDDO
1274
1275	!
1276	!-- Output of time-averaged 2d/3d/masked data
1277	IF ( time_do_av >= dt_data_output_av ) THEN
1278	CALL average_3d_data
1279	CALL data_output_2d( 'xy', 1 )
1280	CALL data_output_2d( 'xz', 1 )
1281	CALL data_output_2d( 'yz', 1 )
1282	CALL data_output_3d( 1 )
1283	DO mid = 1, masks
1284	CALL data_output_mask( 1 )
1285	ENDDO
1286	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1287	ENDIF
1288
1289	!
1290	!-- Output of particle time series
1291	IF ( particle_advection ) THEN
1292	IF ( time_dopts >= dt_dopts .OR. &
1293	( simulated_time >= particle_advection_start .AND. &
1294	first_call_lpm ) ) THEN
1295	CALL data_output_ptseries
1296	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1297	ENDIF
1298	ENDIF
1299
1300	!
1301	!-- Output of dvrp-graphics (isosurface, particles, slicer)
1302	#if defined( __dvrp_graphics )
1303	CALL DVRP_LOG_EVENT( -2, current_timestep_number-1 )
1304	#endif
1305	IF ( time_dvrp >= dt_dvrp ) THEN
1306	CALL data_output_dvrp
1307	time_dvrp = MOD( time_dvrp, MAX( dt_dvrp, dt_3d ) )
1308	ENDIF
1309	#if defined( __dvrp_graphics )
1310	CALL DVRP_LOG_EVENT( 2, current_timestep_number )
1311	#endif
1312
1313	!
1314	!-- If required, set the heat flux for the next time step at a random value
1315	IF ( constant_heatflux .AND. random_heatflux ) THEN
1316	IF ( surf_def_h(0)%ns >= 1 ) CALL disturb_heatflux( surf_def_h(0) )
1317	IF ( surf_lsm_h%ns >= 1 ) CALL disturb_heatflux( surf_lsm_h )
1318	IF ( surf_usm_h%ns >= 1 ) CALL disturb_heatflux( surf_usm_h )
1319	ENDIF
1320
1321	!
1322	!-- Execute the gust module actions
1323	IF ( gust_module_enabled ) THEN
1324	CALL gust_actions( 'after_timestep' )
1325	ENDIF
1326
1327	!
1328	!-- Execute user-defined actions
1329	CALL user_actions( 'after_timestep' )
1330
1331	!
1332	!-- Determine size of next time step. Save timestep dt_3d because it is
1333	!-- newly calculated in routine timestep, but required further below for
1334	!-- steering the run control output interval
1335	dt_3d_old = dt_3d
1336	CALL timestep
1337
1338	!
1339	!-- Synchronize the timestep in case of nested run.
1340	IF ( nested_run ) THEN
1341	!
1342	!-- Synchronize by unifying the time step.
1343	!-- Global minimum of all time-steps is used for all.
1344	CALL pmci_synchronize
1345	ENDIF
1346
1347	!
1348	!-- Computation and output of run control parameters.
1349	!-- This is also done whenever perturbations have been imposed
1350	IF ( time_run_control >= dt_run_control .OR. &
1351	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1352	THEN
1353	CALL run_control
1354	IF ( time_run_control >= dt_run_control ) THEN
1355	time_run_control = MOD( time_run_control, &
1356	MAX( dt_run_control, dt_3d_old ) )
1357	ENDIF
1358	ENDIF
1359
1360	!
1361	!-- Output elapsed simulated time in form of a progress bar on stdout
1362	IF ( myid == 0 ) CALL output_progress_bar
1363
1364	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1365
1366
1367	ENDDO ! time loop
1368
1369	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
1370	IF ( vnest_init ) CALL vnest_deallocate
1371
1372	IF ( myid == 0 ) CALL finish_progress_bar
1373
1374	#if defined( __dvrp_graphics )
1375	CALL DVRP_LOG_EVENT( -2, current_timestep_number )
1376	#endif
1377
1378	CALL location_message( 'finished time-stepping', .TRUE. )
1379
1380	END SUBROUTINE time_integration

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