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source: palm/trunk/SOURCE/time_integration.f90 @ 2605

Last change on this file since 2605 was 2563, checked in by Giersch, 7 years ago
Restart runs with the usage of the wind turbine model are possible now. Further small at reading/writing restart data
Property svn:keywords set to `Id`
File size: 45.2 KB

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

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