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source: palm/trunk/SOURCE/time_integration.f90 @ 4444

Last change on this file since 4444 was 4444, checked in by raasch, 4 years ago
bugfix: cpp-directives for serial mode added
Property svn:keywords set to `Id`
File size: 70.4 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 1997-2020 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: time_integration.f90 4444 2020-03-05 15:59:50Z raasch $
27	! bugfix: cpp-directives for serial mode added
28	!
29	! 4420 2020-02-24 14:13:56Z maronga
30	! Added output control for wind turbine model
31	!
32	! 4403 2020-02-12 13:08:46Z banzhafs
33	! Allowing both existing and on-demand emission read modes
34	!
35	! 4360 2020-01-07 11:25:50Z suehring
36	! Bugfix, hour_call_emis uninitialized at first call of time_integration
37	!
38	! 4346 2019-12-18 11:55:56Z motisi
39	! Introduction of wall_flags_total_0, which currently sets bits based on static
40	! topography information used in wall_flags_static_0
41	!
42	! 4329 2019-12-10 15:46:36Z motisi
43	! Renamed wall_flags_0 to wall_flags_static_0
44	!
45	! 4281 2019-10-29 15:15:39Z schwenkel
46	! Moved boundary conditions to module interface
47	!
48	! 4276 2019-10-28 16:03:29Z schwenkel
49	! Further modularization of lpm code components
50	!
51	! 4275 2019-10-28 15:34:55Z schwenkel
52	! Move call oft lpm to the end of intermediate timestep loop
53	!
54	! 4268 2019-10-17 11:29:38Z schwenkel
55	! Removing module specific boundary conditions an put them into their modules
56	!
57	! 4227 2019-09-10 18:04:34Z gronemeier
58	! implement new palm_date_time_mod
59	!
60	! 4226 2019-09-10 17:03:24Z suehring
61	! Changes in interface for the offline nesting
62	!
63	! 4182 2019-08-22 15:20:23Z scharf
64	! Corrected "Former revisions" section
65	!
66	! 4170 2019-08-19 17:12:31Z gronemeier
67	! copy diss, diss_p, tdiss_m to GPU
68	!
69	! 4144 2019-08-06 09:11:47Z raasch
70	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
71	!
72	! 4126 2019-07-30 11:09:11Z gronemeier
73	! renamed routine to calculate uv exposure
74	!
75	! 4111 2019-07-22 18:16:57Z suehring
76	! advc_flags_1 / advc_flags_2 renamed to advc_flags_m / advc_flags_s
77	!
78	! 4069 2019-07-01 14:05:51Z Giersch
79	! Masked output running index mid has been introduced as a local variable to
80	! avoid runtime error (Loop variable has been modified) in time_integration
81	!
82	! 4064 2019-07-01 05:33:33Z gronemeier
83	! Moved call to radiation module out of intermediate time loop
84	!
85	! 4048 2019-06-21 21:00:21Z knoop
86	! Moved production_e_init call into turbulence_closure_mod
87	!
88	! 4047 2019-06-21 18:58:09Z knoop
89	! Added remainings of swap_timelevel upon its dissolution
90	!
91	! 4043 2019-06-18 16:59:00Z schwenkel
92	! Further LPM modularization
93	!
94	! 4039 2019-06-18 10:32:41Z suehring
95	! Rename subroutines in module for diagnostic quantities
96	!
97	! 4029 2019-06-14 14:04:35Z raasch
98	! exchange of ghost points and boundary conditions separated for chemical species and SALSA module,
99	! bugfix: decycling of chemistry species after nesting data transfer
100	!
101	! 4022 2019-06-12 11:52:39Z suehring
102	! Call synthetic turbulence generator at last RK3 substep right after boundary
103	! conditions are updated in offline nesting in order to assure that
104	! perturbations are always imposed
105	!
106	! 4017 2019-06-06 12:16:46Z schwenkel
107	! Mass (volume) flux correction included to ensure global mass conservation for child domains.
108	!
109	! 3994 2019-05-22 18:08:09Z suehring
110	! output of turbulence intensity added
111	!
112	! 3988 2019-05-22 11:32:37Z kanani
113	! Implement steerable output interval for virtual measurements
114	!
115	! 3968 2019-05-13 11:04:01Z suehring
116	! replace nspec_out with n_matched_vars
117	!
118	! 3929 2019-04-24 12:52:08Z banzhafs
119	! Reverse changes back from revision 3878: use chem_boundary_conds instead of
120	! chem_boundary_conds_decycle
121	!
122	!
123	! 3885 2019-04-11 11:29:34Z kanani
124	! Changes related to global restructuring of location messages and introduction
125	! of additional debug messages
126	!
127	! 3879 2019-04-08 20:25:23Z knoop
128	! Moved wtm_forces to module_interface_actions
129	!
130	! 3872 2019-04-08 15:03:06Z knoop
131	! Modifications made for salsa:
132	! - Call salsa_emission_update at each time step but do the checks within
133	! salsa_emission_update (i.e. skip_time_do_salsa >= time_since_reference_point
134	! and next_aero_emission_update <= time_since_reference_point ).
135	! - Renamed nbins --> nbins_aerosol, ncc_tot --> ncomponents_mass and
136	! ngast --> ngases_salsa and loop indices b, c and sg to ib, ic and ig
137	! - Apply nesting for salsa variables
138	! - Removed cpu_log calls speciffic for salsa.
139	!
140	! 3833 2019-03-28 15:04:04Z forkel
141	! added USE chem_gasphase_mod, replaced nspec by nspec since fixed compounds are not integrated
142	!
143	! 3820 2019-03-27 11:53:41Z forkel
144	! renamed do_emiss to emissions_anthropogenic (ecc)
145	!
146	!
147	! 3774 2019-03-04 10:52:49Z moh.hefny
148	! rephrase if statement to avoid unallocated array in case of
149	! nesting_offline is false (crashing during debug mode)
150	!
151	! 3761 2019-02-25 15:31:42Z raasch $
152	! module section re-formatted and openacc required variables moved to separate section,
153	! re-formatting to 100 char line width
154	!
155	! 3745 2019-02-15 18:57:56Z suehring
156	! Call indoor model after first timestep
157	!
158	! 3744 2019-02-15 18:38:58Z suehring
159	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to
160	! time_integration to make sure averaged input is updated before calculating.
161	!
162	! 3739 2019-02-13 08:05:17Z dom_dwd_user
163	! Removed everything related to "time_bio_results" as this is never used.
164	!
165	! 3724 2019-02-06 16:28:23Z kanani
166	! Correct double-used log_point_s unit
167	!
168	! 3719 2019-02-06 13:10:18Z kanani
169	! - removed wind_turbine cpu measurement, since same time is measured inside
170	! wtm_forces subroutine as special measures
171	! - moved the numerous vnest cpulog to special measures
172	! - extended radiation cpulog over entire radiation part,
173	! moved radiation_interactions cpulog to special measures
174	! - moved some cpu_log calls to this routine for better overview
175	!
176	! 3705 2019-01-29 19:56:39Z suehring
177	! Data output for virtual measurements added
178	!
179	! 3704 2019-01-29 19:51:41Z suehring
180	! Rename subroutines for surface-data output
181	!
182	! 3647 2019-01-02 14:10:44Z kanani
183	! Bugfix: add time_since_reference_point to IF clause for data_output calls
184	! (otherwise skip_time_* values don't come into affect with dt_do* = 0.0).
185	! Clean up indoor_model and biometeorology model call.
186	!
187	! Revision 1.1 1997/08/11 06:19:04 raasch
188	! Initial revision
189	!
190	!
191	! Description:
192	! ------------
193	!> Integration in time of the model equations, statistical analysis and graphic
194	!> output
195	!------------------------------------------------------------------------------!
196	SUBROUTINE time_integration
197
198
199	USE advec_ws, &
200	ONLY: ws_statistics
201
202	USE arrays_3d, &
203	ONLY: diss, diss_p, dzu, e_p, nc_p, nr_p, prho, pt, pt_p, pt_init, q, qc_p, qr_p, q_init, &
204	q_p, ref_state, rho_ocean, sa_p, s_p, tend, u, u_p, v, vpt, v_p, w_p
205
206	#if defined( __parallel ) && ! defined( _OPENACC )
207	USE arrays_3d, &
208	ONLY: e, nc, nr, qc, qr, s, w
209	#endif
210
211	USE biometeorology_mod, &
212	ONLY: bio_calculate_thermal_index_maps, thermal_comfort, bio_calculate_uv_exposure, &
213	uv_exposure
214
215	USE bulk_cloud_model_mod, &
216	ONLY: bulk_cloud_model, calc_liquid_water_content, collision_turbulence, &
217	microphysics_morrison, microphysics_seifert
218
219	USE calc_mean_profile_mod, &
220	ONLY: calc_mean_profile
221
222	USE chem_emissions_mod, &
223	ONLY: chem_emissions_setup, chem_emissions_update_on_demand
224
225	USE chem_gasphase_mod, &
226	ONLY: nvar
227
228	USE chem_modules, &
229	ONLY: bc_cs_t_val, chem_species, emissions_anthropogenic, emiss_read_legacy_mode, &
230	n_matched_vars
231
232	#if defined( __parallel )
233	USE chem_modules, &
234	ONLY: cs_name
235	#endif
236
237	USE chemistry_model_mod, &
238	ONLY: chem_boundary_conds
239
240	USE control_parameters, &
241	ONLY: advected_distance_x, advected_distance_y, air_chemistry, average_count_3d, &
242	averaging_interval, averaging_interval_pr, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
243	bc_q_t_val, biometeorology, call_psolver_at_all_substeps, child_domain, &
244	constant_flux_layer, constant_heatflux, create_disturbances, &
245	dopr_n, constant_diffusion, coupling_mode, coupling_start_time, &
246	current_timestep_number, disturbance_created, disturbance_energy_limit, dist_range, &
247	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, dt_coupling, &
248	dt_data_output_av, dt_disturb, dt_do2d_xy, dt_do2d_xz, dt_do2d_yz, dt_do3d, &
249	dt_domask,dt_dopts, dt_dopr, dt_dopr_listing, dt_dots, dt_run_control, &
250	end_time, first_call_lpm, first_call_mas, galilei_transformation, humidity, &
251	indoor_model, intermediate_timestep_count, intermediate_timestep_count_max, &
252	land_surface, large_scale_forcing, loop_optimization, lsf_surf, lsf_vert, masks, &
253	multi_agent_system_end, multi_agent_system_start, nesting_offline, neutral, &
254	nr_timesteps_this_run, nudging, ocean_mode, passive_scalar, pt_reference, &
255	pt_slope_offset, random_heatflux, rans_tke_e, run_coupled, salsa, &
256	simulated_time, simulated_time_chr, skip_time_do2d_xy, skip_time_do2d_xz, &
257	skip_time_do2d_yz, skip_time_do3d, skip_time_domask, skip_time_dopr, &
258	skip_time_data_output_av, sloping_surface, stop_dt, surface_output, &
259	terminate_coupled, terminate_run, timestep_scheme, time_coupling, time_do2d_xy, &
260	time_do2d_xz, time_do2d_yz, time_do3d, time_domask, time_dopr, time_dopr_av, &
261	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, time_dots, time_do_av, &
262	time_do_sla, time_disturb, time_run_control, time_since_reference_point, &
263	turbulent_inflow, turbulent_outflow, urban_surface, &
264	use_initial_profile_as_reference, use_single_reference_value, u_gtrans, v_gtrans, &
265	virtual_flight, virtual_measurement, ws_scheme_mom, ws_scheme_sca, timestep_count
266
267	#if defined( __parallel )
268	USE control_parameters, &
269	ONLY: rans_mode
270	#endif
271
272	USE cpulog, &
273	ONLY: cpu_log, log_point, log_point_s
274
275	USE diagnostic_output_quantities_mod, &
276	ONLY: doq_calculate, &
277	timestep_number_at_prev_calc
278
279	USE flight_mod, &
280	ONLY: flight_measurement
281
282	USE indices, &
283	ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nzb, nzt
284
285	USE indoor_model_mod, &
286	ONLY: dt_indoor, im_main_heatcool, time_indoor
287
288	USE interfaces
289
290	USE kinds
291
292	USE land_surface_model_mod, &
293	ONLY: lsm_boundary_condition, lsm_energy_balance, lsm_soil_model, skip_time_do_lsm
294
295	USE lagrangian_particle_model_mod, &
296	ONLY: lpm_data_output_ptseries
297
298	USE lsf_nudging_mod, &
299	ONLY: calc_tnudge, ls_forcing_surf, ls_forcing_vert, nudge_ref
300
301	USE module_interface, &
302	ONLY: module_interface_actions, module_interface_swap_timelevel, &
303	module_interface_boundary_conditions
304
305	USE multi_agent_system_mod, &
306	ONLY: agents_active, multi_agent_system
307
308	USE nesting_offl_mod, &
309	ONLY: nesting_offl_bc, &
310	nesting_offl_geostrophic_wind, &
311	nesting_offl_input, &
312	nesting_offl_interpolation_factor, &
313	nesting_offl_mass_conservation
314
315	USE netcdf_data_input_mod, &
316	ONLY: chem_emis, chem_emis_att
317
318	USE ocean_mod, &
319	ONLY: prho_reference
320
321	USE palm_date_time_mod, &
322	ONLY: get_date_time
323
324	USE particle_attributes, &
325	ONLY: particle_advection, particle_advection_start, use_sgs_for_particles, wang_kernel
326
327	USE pegrid
328
329	#if defined( __parallel )
330	USE pmc_interface, &
331	ONLY: nested_run, nesting_mode, pmci_boundary_conds, pmci_datatrans, pmci_synchronize, &
332	pmci_ensure_nest_mass_conservation, pmci_ensure_nest_mass_conservation_vertical, &
333	pmci_set_swaplevel
334	#endif
335
336	USE progress_bar, &
337	ONLY: finish_progress_bar, output_progress_bar
338
339	USE prognostic_equations_mod, &
340	ONLY: prognostic_equations_cache, prognostic_equations_vector
341
342	USE radiation_model_mod, &
343	ONLY: dt_radiation, force_radiation_call, radiation, radiation_control, &
344	radiation_interaction, radiation_interactions, skip_time_do_radiation, time_radiation
345
346	USE salsa_mod, &
347	ONLY: aerosol_number, aerosol_mass, bc_am_t_val, bc_an_t_val, bc_gt_t_val, &
348	nbins_aerosol, ncomponents_mass, ngases_salsa, salsa_boundary_conds, &
349	salsa_emission_update, salsa_gas, salsa_gases_from_chem, skip_time_do_salsa
350
351	USE spectra_mod, &
352	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, skip_time_dosp
353
354	USE statistics, &
355	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
356
357
358	USE surface_layer_fluxes_mod, &
359	ONLY: surface_layer_fluxes
360
361	USE surface_data_output_mod, &
362	ONLY: average_count_surf, averaging_interval_surf, dt_dosurf, dt_dosurf_av, &
363	surface_data_output, surface_data_output_averaging, skip_time_dosurf, &
364	skip_time_dosurf_av, time_dosurf, time_dosurf_av
365
366	USE surface_mod, &
367	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
368
369	USE synthetic_turbulence_generator_mod, &
370	ONLY: dt_stg_call, dt_stg_adjust, parametrize_inflow_turbulence, stg_adjust, stg_main, &
371	time_stg_adjust, time_stg_call, use_syn_turb_gen
372
373	USE turbulence_closure_mod, &
374	ONLY: tcm_diffusivities
375
376	USE urban_surface_mod, &
377	ONLY: usm_boundary_condition, usm_material_heat_model, usm_material_model, &
378	usm_surface_energy_balance, usm_green_heat_model
379
380	USE vertical_nesting_mod, &
381	ONLY: vnested, vnest_init
382
383	#if defined( __parallel )
384	USE vertical_nesting_mod, &
385	ONLY: vnest_anterpolate, vnest_anterpolate_e, vnest_boundary_conds, &
386	vnest_boundary_conds_khkm, vnest_deallocate, vnest_init_fine, vnest_start_time
387	#endif
388
389	USE virtual_measurement_mod, &
390	ONLY: dt_virtual_measurement, &
391	time_virtual_measurement, &
392	vm_data_output, &
393	vm_sampling, &
394	vm_time_start
395
396
397	USE wind_turbine_model_mod, &
398	ONLY: dt_data_output_wtm, time_wtm, wind_turbine, wtm_data_output
399
400	#if defined( _OPENACC )
401	USE arrays_3d, &
402	ONLY: d, dd2zu, ddzu, ddzw, drho_air, drho_air_zw, dzw, e, heatflux_output_conversion, &
403	kh, km, momentumflux_output_conversion, nc, nr, p, ptdf_x, ptdf_y, qc, qr, rdf, &
404	rdf_sc, rho_air, rho_air_zw, s, tdiss_m, te_m, tpt_m, tu_m, tv_m, tw_m, ug, u_init, &
405	u_stokes_zu, vg, v_init, v_stokes_zu, w, zu
406
407	USE control_parameters, &
408	ONLY: tsc
409
410	USE indices, &
411	ONLY: advc_flags_m, advc_flags_s, nyn, nyng, nys, nysg, nz, nzb_max, wall_flags_total_0
412
413	USE statistics, &
414	ONLY: rmask, statistic_regions, sums_l, sums_l_l, sums_us2_ws_l, &
415	sums_wsus_ws_l, sums_vs2_ws_l, sums_wsvs_ws_l, sums_ws2_ws_l, sums_wspts_ws_l, &
416	sums_wsqs_ws_l, sums_wssas_ws_l, sums_wsqcs_ws_l, sums_wsqrs_ws_l, sums_wsncs_ws_l, &
417	sums_wsnrs_ws_l, sums_wsss_ws_l, weight_substep, sums_salsa_ws_l
418
419	USE surface_mod, &
420	ONLY: bc_h, enter_surface_arrays, exit_surface_arrays
421	#endif
422
423
424	IMPLICIT NONE
425
426	CHARACTER (LEN=9) :: time_to_string !<
427
428	INTEGER(iwp) :: hour !< hour of current time
429	INTEGER(iwp) :: hour_call_emis = -1 !< last hour where emission was called
430	INTEGER(iwp) :: ib !< index for aerosol size bins
431	INTEGER(iwp) :: ic !< index for aerosol mass bins
432	INTEGER(iwp) :: icc !< additional index for aerosol mass bins
433	INTEGER(iwp) :: ig !< index for salsa gases
434	INTEGER(iwp) :: lsp !<
435	INTEGER(iwp) :: mid !< masked output running index
436	#if defined( __parallel )
437	INTEGER(iwp) :: lsp_usr !<
438	INTEGER(iwp) :: n !< loop counter for chemistry species
439	#endif
440
441	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
442	!< steering of run control output interval
443	REAL(wp) :: time_since_reference_point_save !< original value of
444	!< time_since_reference_point
445
446
447	!
448	!-- Copy data from arrays_3d
449	!$ACC DATA &
450	!$ACC COPY(d(nzb+1:nzt,nys:nyn,nxl:nxr)) &
451	!$ACC COPY(diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
452	!$ACC COPY(e(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
453	!$ACC COPY(u(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
454	!$ACC COPY(v(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
455	!$ACC COPY(w(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
456	!$ACC COPY(kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
457	!$ACC COPY(km(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
458	!$ACC COPY(p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
459	!$ACC COPY(pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
460
461	!$ACC DATA &
462	!$ACC COPY(diss_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
463	!$ACC COPY(e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
464	!$ACC COPY(u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
465	!$ACC COPY(v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
466	!$ACC COPY(w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
467	!$ACC COPY(pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
468	!$ACC COPY(tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
469	!$ACC COPY(tdiss_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
470	!$ACC COPY(te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
471	!$ACC COPY(tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
472	!$ACC COPY(tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
473	!$ACC COPY(tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
474	!$ACC COPY(tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
475
476	!$ACC DATA &
477	!$ACC COPYIN(rho_air(nzb:nzt+1), drho_air(nzb:nzt+1)) &
478	!$ACC COPYIN(rho_air_zw(nzb:nzt+1), drho_air_zw(nzb:nzt+1)) &
479	!$ACC COPYIN(zu(nzb:nzt+1)) &
480	!$ACC COPYIN(dzu(1:nzt+1), dzw(1:nzt+1)) &
481	!$ACC COPYIN(ddzu(1:nzt+1), dd2zu(1:nzt)) &
482	!$ACC COPYIN(ddzw(1:nzt+1)) &
483	!$ACC COPYIN(heatflux_output_conversion(nzb:nzt+1)) &
484	!$ACC COPYIN(momentumflux_output_conversion(nzb:nzt+1)) &
485	!$ACC COPYIN(rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt)) &
486	!$ACC COPYIN(ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng)) &
487	!$ACC COPYIN(ref_state(0:nz+1)) &
488	!$ACC COPYIN(u_init(0:nz+1), v_init(0:nz+1)) &
489	!$ACC COPYIN(u_stokes_zu(nzb:nzt+1), v_stokes_zu(nzb:nzt+1)) &
490	!$ACC COPYIN(pt_init(0:nz+1)) &
491	!$ACC COPYIN(ug(0:nz+1), vg(0:nz+1))
492
493	!
494	!-- Copy data from control_parameters
495	!$ACC DATA &
496	!$ACC COPYIN(tsc(1:5))
497
498	!
499	!-- Copy data from indices
500	!$ACC DATA &
501	!$ACC COPYIN(advc_flags_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
502	!$ACC COPYIN(advc_flags_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg)) &
503	!$ACC COPYIN(wall_flags_total_0(nzb:nzt+1,nysg:nyng,nxlg:nxrg))
504
505	!
506	!-- Copy data from surface_mod
507	!$ACC DATA &
508	!$ACC COPYIN(bc_h(0:1)) &
509	!$ACC COPYIN(bc_h(0)%i(1:bc_h(0)%ns)) &
510	!$ACC COPYIN(bc_h(0)%j(1:bc_h(0)%ns)) &
511	!$ACC COPYIN(bc_h(0)%k(1:bc_h(0)%ns)) &
512	!$ACC COPYIN(bc_h(1)%i(1:bc_h(1)%ns)) &
513	!$ACC COPYIN(bc_h(1)%j(1:bc_h(1)%ns)) &
514	!$ACC COPYIN(bc_h(1)%k(1:bc_h(1)%ns))
515
516	!
517	!-- Copy data from statistics
518	!$ACC DATA &
519	!$ACC COPYIN(hom(0:nz+1,1:2,1:4,0)) &
520	!$ACC COPYIN(rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions)) &
521	!$ACC COPYIN(weight_substep(1:intermediate_timestep_count_max)) &
522	!$ACC COPY(sums_l(nzb:nzt+1,1:pr_palm,0)) &
523	!$ACC COPY(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
524	!$ACC COPY(sums_us2_ws_l(nzb:nzt+1,0)) &
525	!$ACC COPY(sums_wsus_ws_l(nzb:nzt+1,0)) &
526	!$ACC COPY(sums_vs2_ws_l(nzb:nzt+1,0)) &
527	!$ACC COPY(sums_wsvs_ws_l(nzb:nzt+1,0)) &
528	!$ACC COPY(sums_ws2_ws_l(nzb:nzt+1,0)) &
529	!$ACC COPY(sums_wspts_ws_l(nzb:nzt+1,0)) &
530	!$ACC COPY(sums_wssas_ws_l(nzb:nzt+1,0)) &
531	!$ACC COPY(sums_wsqs_ws_l(nzb:nzt+1,0)) &
532	!$ACC COPY(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
533	!$ACC COPY(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
534	!$ACC COPY(sums_wsncs_ws_l(nzb:nzt+1,0)) &
535	!$ACC COPY(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
536	!$ACC COPY(sums_wsss_ws_l(nzb:nzt+1,0)) &
537	!$ACC COPY(sums_salsa_ws_l(nzb:nzt+1,0))
538
539	#if defined( _OPENACC )
540	CALL enter_surface_arrays
541	#endif
542
543	!
544	!-- At beginning determine the first time step
545	CALL timestep
546
547	#if defined( __parallel )
548	!
549	!-- Synchronize the timestep in case of nested run.
550	IF ( nested_run ) THEN
551	!
552	!-- Synchronization by unifying the time step.
553	!-- Global minimum of all time-steps is used for all.
554	CALL pmci_synchronize
555	ENDIF
556	#endif
557
558	!
559	!-- Determine and print out the run control quantities before the first time
560	!-- step of this run. For the initial run, some statistics (e.g. divergence)
561	!-- need to be determined first --> CALL flow_statistics at the beginning of
562	!-- run_control
563	CALL run_control
564	!
565	!-- Data exchange between coupled models in case that a call has been omitted
566	!-- at the end of the previous run of a job chain.
567	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
568	!
569	!-- In case of model termination initiated by the local model the coupler
570	!-- must not be called because this would again cause an MPI hang.
571	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
572	CALL surface_coupler
573	time_coupling = time_coupling - dt_coupling
574	ENDDO
575	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling ) THEN
576	time_coupling = time_since_reference_point
577	ENDIF
578	ENDIF
579
580	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'start' )
581
582	!
583	!-- Start of the time loop
584	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. .NOT. terminate_run )
585
586	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
587
588	#if defined( __parallel )
589	!
590	!-- Vertical nesting: initialize fine grid
591	IF ( vnested ) THEN
592	IF ( .NOT. vnest_init .AND. simulated_time >= vnest_start_time ) THEN
593	CALL cpu_log( log_point_s(22), 'vnest_init', 'start' )
594	CALL vnest_init_fine
595	vnest_init = .TRUE.
596	CALL cpu_log( log_point_s(22), 'vnest_init', 'stop' )
597	ENDIF
598	ENDIF
599	#endif
600
601	!
602	!-- Determine ug, vg and w_subs in dependence on data from external file
603	!-- LSF_DATA
604	IF ( large_scale_forcing .AND. lsf_vert ) THEN
605	CALL ls_forcing_vert ( simulated_time )
606	sums_ls_l = 0.0_wp
607	ENDIF
608
609	!
610	!-- Set pt_init and q_init to the current profiles taken from
611	!-- NUDGING_DATA
612	IF ( nudging ) THEN
613	CALL nudge_ref ( simulated_time )
614	!
615	!-- Store temperature gradient at the top boundary for possible Neumann
616	!-- boundary condition
617	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
618	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
619	IF ( air_chemistry ) THEN
620	DO lsp = 1, nvar
621	bc_cs_t_val = ( chem_species(lsp)%conc_pr_init(nzt+1) &
622	- chem_species(lsp)%conc_pr_init(nzt) ) &
623	/ dzu(nzt+1)
624	ENDDO
625	ENDIF
626	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
627	DO ib = 1, nbins_aerosol
628	bc_an_t_val = ( aerosol_number(ib)%init(nzt+1) - aerosol_number(ib)%init(nzt) ) / &
629	dzu(nzt+1)
630	DO ic = 1, ncomponents_mass
631	icc = ( ic - 1 ) * nbins_aerosol + ib
632	bc_am_t_val = ( aerosol_mass(icc)%init(nzt+1) - aerosol_mass(icc)%init(nzt) ) /&
633	dzu(nzt+1)
634	ENDDO
635	ENDDO
636	IF ( .NOT. salsa_gases_from_chem ) THEN
637	DO ig = 1, ngases_salsa
638	bc_gt_t_val = ( salsa_gas(ig)%init(nzt+1) - salsa_gas(ig)%init(nzt) ) / &
639	dzu(nzt+1)
640	ENDDO
641	ENDIF
642	ENDIF
643	ENDIF
644	!
645	!-- Input of boundary data.
646	IF ( nesting_offline ) CALL nesting_offl_input
647	!
648	!-- Execute all other module actions routines
649	CALL module_interface_actions( 'before_timestep' )
650
651	!-- Start of intermediate step loop
652	intermediate_timestep_count = 0
653	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
654
655	intermediate_timestep_count = intermediate_timestep_count + 1
656
657	!
658	!-- Set the steering factors for the prognostic equations which depend
659	!-- on the timestep scheme
660	CALL timestep_scheme_steering
661
662	!
663	!-- Calculate those variables needed in the tendency terms which need
664	!-- global communication
665	IF ( .NOT. use_single_reference_value .AND. .NOT. use_initial_profile_as_reference ) &
666	THEN
667	!
668	!-- Horizontally averaged profiles to be used as reference state in
669	!-- buoyancy terms (WARNING: only the respective last call of
670	!-- calc_mean_profile defines the reference state!)
671	IF ( .NOT. neutral ) THEN
672	CALL calc_mean_profile( pt, 4 )
673	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
674	ENDIF
675	IF ( ocean_mode ) THEN
676	CALL calc_mean_profile( rho_ocean, 64 )
677	ref_state(:) = hom(:,1,64,0)
678	ENDIF
679	IF ( humidity ) THEN
680	CALL calc_mean_profile( vpt, 44 )
681	ref_state(:) = hom(:,1,44,0)
682	ENDIF
683	!
684	!-- Assure that ref_state does not become zero at any level
685	!-- ( might be the case if a vertical level is completely occupied
686	!-- with topography ).
687	ref_state = MERGE( MAXVAL(ref_state), ref_state, ref_state == 0.0_wp )
688	ENDIF
689
690	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. intermediate_timestep_count == 1 ) &
691	THEN
692	CALL ws_statistics
693	ENDIF
694	!
695	!-- In case of nudging calculate current nudging time scale and horizontal
696	!-- means of u, v, pt and q
697	IF ( nudging ) THEN
698	CALL calc_tnudge( simulated_time )
699	CALL calc_mean_profile( u, 1 )
700	CALL calc_mean_profile( v, 2 )
701	CALL calc_mean_profile( pt, 4 )
702	CALL calc_mean_profile( q, 41 )
703	ENDIF
704	!
705	!-- Execute all other module actions routunes
706	CALL module_interface_actions( 'before_prognostic_equations' )
707	!
708	!-- Solve the prognostic equations. A fast cache optimized version with
709	!-- only one single loop is used in case of Piascek-Williams advection
710	!-- scheme. NEC vector machines use a different version, because
711	!-- in the other versions a good vectorization is prohibited due to
712	!-- inlining problems.
713	IF ( loop_optimization == 'cache' ) THEN
714	CALL prognostic_equations_cache
715	ELSEIF ( loop_optimization == 'vector' ) THEN
716	CALL prognostic_equations_vector
717	ENDIF
718	!
719	!-- Movement of agents in multi agent system
720	IF ( agents_active .AND. time_since_reference_point >= multi_agent_system_start .AND. &
721	time_since_reference_point <= multi_agent_system_end .AND. &
722	intermediate_timestep_count == 1 ) &
723	THEN
724	CALL multi_agent_system
725	first_call_mas = .FALSE.
726	ENDIF
727
728	!
729	!-- Exchange of ghost points (lateral boundary conditions)
730	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
731
732	CALL exchange_horiz( u_p, nbgp )
733	CALL exchange_horiz( v_p, nbgp )
734	CALL exchange_horiz( w_p, nbgp )
735	CALL exchange_horiz( pt_p, nbgp )
736	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
737	IF ( rans_tke_e .OR. wang_kernel .OR. collision_turbulence &
738	.OR. use_sgs_for_particles ) THEN
739	IF ( rans_tke_e ) THEN
740	CALL exchange_horiz( diss_p, nbgp )
741	ELSE
742	CALL exchange_horiz( diss, nbgp )
743	ENDIF
744	ENDIF
745	IF ( ocean_mode ) THEN
746	CALL exchange_horiz( sa_p, nbgp )
747	CALL exchange_horiz( rho_ocean, nbgp )
748	CALL exchange_horiz( prho, nbgp )
749	ENDIF
750	IF ( humidity ) THEN
751	CALL exchange_horiz( q_p, nbgp )
752	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
753	CALL exchange_horiz( qc_p, nbgp )
754	CALL exchange_horiz( nc_p, nbgp )
755	ENDIF
756	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
757	CALL exchange_horiz( qr_p, nbgp )
758	CALL exchange_horiz( nr_p, nbgp )
759	ENDIF
760	ENDIF
761	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
762	IF ( air_chemistry ) THEN
763	DO lsp = 1, nvar
764	CALL exchange_horiz( chem_species(lsp)%conc_p, nbgp )
765	ENDDO
766	ENDIF
767
768	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
769	DO ib = 1, nbins_aerosol
770	CALL exchange_horiz( aerosol_number(ib)%conc_p, nbgp )
771	DO ic = 1, ncomponents_mass
772	icc = ( ic - 1 ) * nbins_aerosol + ib
773	CALL exchange_horiz( aerosol_mass(icc)%conc_p, nbgp )
774	ENDDO
775	ENDDO
776	IF ( .NOT. salsa_gases_from_chem ) THEN
777	DO ig = 1, ngases_salsa
778	CALL exchange_horiz( salsa_gas(ig)%conc_p, nbgp )
779	ENDDO
780	ENDIF
781	ENDIF
782	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
783
784	!
785	!-- Boundary conditions for the prognostic quantities (except of the
786	!-- velocities at the outflow in case of a non-cyclic lateral wall) and
787	!-- boundary conditions for module-specific variables
788	CALL module_interface_boundary_conditions
789	!
790	!-- Incrementing timestep counter
791	timestep_count = timestep_count + 1
792
793	CALL cpu_log( log_point(28), 'swap_timelevel', 'start' )
794	!
795	!-- Set the swap level for all modules
796	CALL module_interface_swap_timelevel( MOD( timestep_count, 2) )
797
798	#if defined( __parallel )
799	!
800	!-- Set the swap level for steering the pmc data transfer
801	IF ( nested_run ) CALL pmci_set_swaplevel( MOD( timestep_count, 2) + 1 ) !> @todo: why the +1 ?
802	#endif
803
804	CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' )
805
806	#if defined( __parallel )
807	!
808	!-- Vertical nesting: Interpolate fine grid data to the coarse grid
809	IF ( vnest_init ) THEN
810	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'start' )
811	CALL vnest_anterpolate
812	CALL cpu_log( log_point_s(37), 'vnest_anterpolate', 'stop' )
813	ENDIF
814
815	IF ( nested_run ) THEN
816
817	CALL cpu_log( log_point(60), 'nesting', 'start' )
818	!
819	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
820	!-- and pmci_child_datatrans are called inside the wrapper
821	!-- subroutine pmci_datatrans according to the control parameters
822	!-- nesting_mode and nesting_datatransfer_mode.
823	!-- TO_DO: why is nesting_mode given as a parameter here?
824	CALL pmci_datatrans( nesting_mode )
825
826	IF ( TRIM( nesting_mode ) == 'two-way' .OR. nesting_mode == 'vertical' ) THEN
827
828	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'start' )
829	!
830	!-- Exchange_horiz is needed for all parent-domains after the
831	!-- anterpolation
832	CALL exchange_horiz( u, nbgp )
833	CALL exchange_horiz( v, nbgp )
834	CALL exchange_horiz( w, nbgp )
835	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
836
837	IF ( humidity ) THEN
838
839	CALL exchange_horiz( q, nbgp )
840
841	IF ( bulk_cloud_model .AND. microphysics_morrison ) THEN
842	CALL exchange_horiz( qc, nbgp )
843	CALL exchange_horiz( nc, nbgp )
844	ENDIF
845	IF ( bulk_cloud_model .AND. microphysics_seifert ) THEN
846	CALL exchange_horiz( qr, nbgp )
847	CALL exchange_horiz( nr, nbgp )
848	ENDIF
849
850	ENDIF
851
852	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
853
854	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
855
856	IF ( .NOT. constant_diffusion .AND. rans_mode .AND. rans_tke_e ) THEN
857	CALL exchange_horiz( diss, nbgp )
858	ENDIF
859
860	IF ( air_chemistry ) THEN
861	DO n = 1, nvar
862	CALL exchange_horiz( chem_species(n)%conc, nbgp )
863	ENDDO
864	ENDIF
865
866	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
867	DO ib = 1, nbins_aerosol
868	CALL exchange_horiz( aerosol_number(ib)%conc, nbgp )
869	DO ic = 1, ncomponents_mass
870	icc = ( ic - 1 ) * nbins_aerosol + ib
871	CALL exchange_horiz( aerosol_mass(icc)%conc, nbgp )
872	ENDDO
873	ENDDO
874	IF ( .NOT. salsa_gases_from_chem ) THEN
875	DO ig = 1, ngases_salsa
876	CALL exchange_horiz( salsa_gas(ig)%conc, nbgp )
877	ENDDO
878	ENDIF
879	ENDIF
880	CALL cpu_log( log_point_s(92), 'exchange-horiz-nest', 'stop' )
881
882	ENDIF
883
884	!
885	!-- Set boundary conditions again after interpolation and anterpolation.
886	CALL pmci_boundary_conds
887
888	!
889	!-- Set chemistry boundary conditions (decycling)
890	IF ( air_chemistry ) THEN
891	DO lsp = 1, nvar
892	lsp_usr = 1
893	DO WHILE ( TRIM( cs_name( lsp_usr ) ) /= 'novalue' )
894	IF ( TRIM( chem_species(lsp)%name ) == TRIM( cs_name(lsp_usr) ) ) THEN
895	CALL chem_boundary_conds( chem_species(lsp)%conc, &
896	chem_species(lsp)%conc_pr_init )
897	ENDIF
898	lsp_usr = lsp_usr + 1
899	ENDDO
900	ENDDO
901	ENDIF
902
903	!
904	!-- Set SALSA boundary conditions (decycling)
905	IF ( salsa .AND. time_since_reference_point >= skip_time_do_salsa ) THEN
906	DO ib = 1, nbins_aerosol
907	CALL salsa_boundary_conds( aerosol_number(ib)%conc, aerosol_number(ib)%init )
908	DO ic = 1, ncomponents_mass
909	icc = ( ic - 1 ) * nbins_aerosol + ib
910	CALL salsa_boundary_conds( aerosol_mass(icc)%conc, aerosol_mass(icc)%init )
911	ENDDO
912	ENDDO
913	IF ( .NOT. salsa_gases_from_chem ) THEN
914	DO ig = 1, ngases_salsa
915	CALL salsa_boundary_conds( salsa_gas(ig)%conc, salsa_gas(ig)%init )
916	ENDDO
917	ENDIF
918	ENDIF
919
920	CALL cpu_log( log_point(60), 'nesting', 'stop' )
921
922	ENDIF
923	#endif
924
925	!
926	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
927	!-- when a sloping surface is used
928	IF ( sloping_surface ) THEN
929	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - pt_slope_offset
930	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + pt_slope_offset
931	ENDIF
932
933	!
934	!-- Impose a turbulent inflow using the recycling method
935	IF ( turbulent_inflow ) CALL inflow_turbulence
936
937	!
938	!-- Set values at outflow boundary using the special outflow condition
939	IF ( turbulent_outflow ) CALL outflow_turbulence
940
941	!
942	!-- Impose a random perturbation on the horizontal velocity field
943	IF ( create_disturbances .AND. ( call_psolver_at_all_substeps .AND. &
944	intermediate_timestep_count == intermediate_timestep_count_max ) &
945	.OR. ( .NOT. call_psolver_at_all_substeps .AND. intermediate_timestep_count == 1 ) ) &
946	THEN
947	time_disturb = time_disturb + dt_3d
948	IF ( time_disturb >= dt_disturb ) THEN
949	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
950	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
951	CALL disturb_field( 'u', tend, u )
952	CALL disturb_field( 'v', tend, v )
953	ELSEIF ( ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) &
954	.AND. .NOT. child_domain .AND. .NOT. nesting_offline ) &
955	THEN
956	!
957	!-- Runs with a non-cyclic lateral wall need perturbations
958	!-- near the inflow throughout the whole simulation
959	dist_range = 1
960	CALL disturb_field( 'u', tend, u )
961	CALL disturb_field( 'v', tend, v )
962	dist_range = 0
963	ENDIF
964	time_disturb = time_disturb - dt_disturb
965	ENDIF
966	ENDIF
967
968	!
969	!-- Map forcing data derived from larger scale model onto domain
970	!-- boundaries. Further, update geostrophic wind components.
971	IF ( nesting_offline .AND. intermediate_timestep_count == &
972	intermediate_timestep_count_max ) THEN
973	!-- Determine interpolation factor before boundary conditions and geostrophic wind
974	!-- is updated.
975	CALL nesting_offl_interpolation_factor
976	CALL nesting_offl_bc
977	CALL nesting_offl_geostrophic_wind
978	ENDIF
979	!
980	!-- Impose a turbulent inflow using synthetic generated turbulence.
981	IF ( use_syn_turb_gen .AND. &
982	intermediate_timestep_count == intermediate_timestep_count_max ) THEN
983	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
984	CALL stg_main
985	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
986	ENDIF
987	!
988	!-- Ensure mass conservation. This need to be done after imposing
989	!-- synthetic turbulence and top boundary condition for pressure is set to
990	!-- Neumann conditions.
991	!-- Is this also required in case of Dirichlet?
992	IF ( nesting_offline ) CALL nesting_offl_mass_conservation
993	!
994	!-- Reduce the velocity divergence via the equation for perturbation
995	!-- pressure.
996	IF ( intermediate_timestep_count == 1 .OR. &
997	call_psolver_at_all_substeps ) THEN
998
999	IF ( vnest_init ) THEN
1000	#if defined( __parallel )
1001	!
1002	!-- Compute pressure in the CG, interpolate top boundary conditions
1003	!-- to the FG and then compute pressure in the FG
1004	IF ( coupling_mode == 'vnested_crse' ) CALL pres
1005
1006	CALL cpu_log( log_point_s(30), 'vnest_bc', 'start' )
1007	CALL vnest_boundary_conds
1008	CALL cpu_log( log_point_s(30), 'vnest_bc', 'stop' )
1009
1010	IF ( coupling_mode == 'vnested_fine' ) CALL pres
1011
1012	!-- Anterpolate TKE, satisfy Germano Identity
1013	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'start' )
1014	CALL vnest_anterpolate_e
1015	CALL cpu_log( log_point_s(28), 'vnest_anter_e', 'stop' )
1016	#else
1017	CONTINUE
1018	#endif
1019
1020	ELSE
1021	#if defined( __parallel )
1022	!
1023	!-- Mass (volume) flux correction to ensure global mass conservation for child domains.
1024	IF ( child_domain ) THEN
1025	IF ( nesting_mode == 'vertical' ) THEN
1026	CALL pmci_ensure_nest_mass_conservation_vertical
1027	ELSE
1028	CALL pmci_ensure_nest_mass_conservation
1029	ENDIF
1030	ENDIF
1031	#endif
1032	CALL pres
1033
1034	ENDIF
1035
1036	ENDIF
1037	!
1038	!-- Particle transport/physics with the Lagrangian particle model
1039	!-- (only once during intermediate steps, because it uses an Euler-step)
1040	!-- ### particle model should be moved before prognostic_equations, in order
1041	!-- to regard droplet interactions directly
1042
1043	CALL module_interface_actions( 'after_pressure_solver' )
1044	!
1045	!-- Interaction of droplets with temperature and mixing ratio.
1046	!-- Droplet condensation and evaporation is calculated within
1047	!-- advec_particles.
1048	!
1049	!-- If required, compute liquid water content
1050	IF ( bulk_cloud_model ) THEN
1051	CALL calc_liquid_water_content
1052	ENDIF
1053	!
1054	!-- If required, compute virtual potential temperature
1055	IF ( humidity ) THEN
1056	CALL compute_vpt
1057	ENDIF
1058
1059	!
1060	!-- Compute the diffusion quantities
1061	IF ( .NOT. constant_diffusion ) THEN
1062
1063	!
1064	!-- Determine surface fluxes shf and qsws and surface values
1065	!-- pt_surface and q_surface in dependence on data from external
1066	!-- file LSF_DATA respectively
1067	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
1068	intermediate_timestep_count == intermediate_timestep_count_max ) &
1069	THEN
1070	CALL ls_forcing_surf( simulated_time )
1071	ENDIF
1072
1073	!
1074	!-- First the vertical (and horizontal) fluxes in the surface
1075	!-- (constant flux) layer are computed
1076	IF ( constant_flux_layer ) THEN
1077	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
1078	CALL surface_layer_fluxes
1079	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
1080	ENDIF
1081	!
1082	!-- If required, solve the energy balance for the surface and run soil
1083	!-- model. Call for horizontal as well as vertical surfaces
1084	IF ( land_surface .AND. time_since_reference_point >= skip_time_do_lsm) THEN
1085
1086	CALL cpu_log( log_point(54), 'land_surface', 'start' )
1087	!
1088	!-- Call for horizontal upward-facing surfaces
1089	CALL lsm_energy_balance( .TRUE., -1 )
1090	CALL lsm_soil_model( .TRUE., -1, .TRUE. )
1091	!
1092	!-- Call for northward-facing surfaces
1093	CALL lsm_energy_balance( .FALSE., 0 )
1094	CALL lsm_soil_model( .FALSE., 0, .TRUE. )
1095	!
1096	!-- Call for southward-facing surfaces
1097	CALL lsm_energy_balance( .FALSE., 1 )
1098	CALL lsm_soil_model( .FALSE., 1, .TRUE. )
1099	!
1100	!-- Call for eastward-facing surfaces
1101	CALL lsm_energy_balance( .FALSE., 2 )
1102	CALL lsm_soil_model( .FALSE., 2, .TRUE. )
1103	!
1104	!-- Call for westward-facing surfaces
1105	CALL lsm_energy_balance( .FALSE., 3 )
1106	CALL lsm_soil_model( .FALSE., 3, .TRUE. )
1107
1108	!
1109	!-- At the end, set boundary conditons for potential temperature
1110	!-- and humidity after running the land-surface model. This
1111	!-- might be important for the nesting, where arrays are transfered.
1112	CALL lsm_boundary_condition
1113
1114
1115	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
1116	ENDIF
1117	!
1118	!-- If required, solve the energy balance for urban surfaces and run
1119	!-- the material heat model
1120	IF (urban_surface) THEN
1121	CALL cpu_log( log_point(74), 'urban_surface', 'start' )
1122
1123	CALL usm_surface_energy_balance( .FALSE. )
1124	IF ( usm_material_model ) THEN
1125	CALL usm_green_heat_model
1126	CALL usm_material_heat_model ( .FALSE. )
1127	ENDIF
1128
1129	!
1130	!-- At the end, set boundary conditons for potential temperature
1131	!-- and humidity after running the urban-surface model. This
1132	!-- might be important for the nesting, where arrays are transfered.
1133	CALL usm_boundary_condition
1134
1135	CALL cpu_log( log_point(74), 'urban_surface', 'stop' )
1136	ENDIF
1137	!
1138	!-- Compute the diffusion coefficients
1139	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
1140	IF ( .NOT. humidity ) THEN
1141	IF ( ocean_mode ) THEN
1142	CALL tcm_diffusivities( prho, prho_reference )
1143	ELSE
1144	CALL tcm_diffusivities( pt, pt_reference )
1145	ENDIF
1146	ELSE
1147	CALL tcm_diffusivities( vpt, pt_reference )
1148	ENDIF
1149	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
1150
1151	#if defined( __parallel )
1152	!
1153	!-- Vertical nesting: set fine grid eddy viscosity top boundary condition
1154	IF ( vnest_init ) CALL vnest_boundary_conds_khkm
1155	#endif
1156
1157	ENDIF
1158
1159	ENDDO ! Intermediate step loop
1160
1161	!
1162	!-- Will be used at some point by flow_statistics.
1163	!$ACC UPDATE &
1164	!$ACC HOST(sums_l_l(nzb:nzt+1,0:statistic_regions,0)) &
1165	!$ACC HOST(sums_us2_ws_l(nzb:nzt+1,0)) &
1166	!$ACC HOST(sums_wsus_ws_l(nzb:nzt+1,0)) &
1167	!$ACC HOST(sums_vs2_ws_l(nzb:nzt+1,0)) &
1168	!$ACC HOST(sums_wsvs_ws_l(nzb:nzt+1,0)) &
1169	!$ACC HOST(sums_ws2_ws_l(nzb:nzt+1,0)) &
1170	!$ACC HOST(sums_wspts_ws_l(nzb:nzt+1,0)) &
1171	!$ACC HOST(sums_wssas_ws_l(nzb:nzt+1,0)) &
1172	!$ACC HOST(sums_wsqs_ws_l(nzb:nzt+1,0)) &
1173	!$ACC HOST(sums_wsqcs_ws_l(nzb:nzt+1,0)) &
1174	!$ACC HOST(sums_wsqrs_ws_l(nzb:nzt+1,0)) &
1175	!$ACC HOST(sums_wsncs_ws_l(nzb:nzt+1,0)) &
1176	!$ACC HOST(sums_wsnrs_ws_l(nzb:nzt+1,0)) &
1177	!$ACC HOST(sums_wsss_ws_l(nzb:nzt+1,0)) &
1178	!$ACC HOST(sums_salsa_ws_l(nzb:nzt+1,0))
1179
1180	!
1181	!-- If required, calculate radiative fluxes and heating rates
1182	IF ( radiation .AND. time_since_reference_point > skip_time_do_radiation ) THEN
1183
1184	time_radiation = time_radiation + dt_3d
1185
1186	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
1187
1188	CALL cpu_log( log_point(50), 'radiation', 'start' )
1189
1190	IF ( .NOT. force_radiation_call ) THEN
1191	time_radiation = time_radiation - dt_radiation
1192	ENDIF
1193
1194	!
1195	!-- Adjust the current time to the time step of the radiation model.
1196	!-- Needed since radiation is pre-calculated and stored only on apparent
1197	!-- solar positions
1198	time_since_reference_point_save = time_since_reference_point
1199	time_since_reference_point = REAL( FLOOR( time_since_reference_point / &
1200	dt_radiation ), wp ) * dt_radiation
1201
1202	CALL radiation_control
1203
1204	IF ( ( urban_surface .OR. land_surface ) .AND. radiation_interactions ) THEN
1205	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'start' )
1206	CALL radiation_interaction
1207	CALL cpu_log( log_point_s(46), 'radiation_interaction', 'stop' )
1208	ENDIF
1209
1210	!
1211	!-- Return the current time to its original value
1212	time_since_reference_point = time_since_reference_point_save
1213
1214	CALL cpu_log( log_point(50), 'radiation', 'stop' )
1215
1216	ENDIF
1217	ENDIF
1218
1219
1220	!
1221	!-- 20200203 (ECC)
1222	!-- allows for emission update mode in legacy mode as well as on-demand mode
1223	!-- note that under on-demand mode emission update is no longer restricted to
1224	!-- an hourly frequency, but whenever the simulation time corresponds to an
1225	!-- inrement in emission timestamp value
1226
1227	!
1228	!-- If required, consider chemical emissions
1229
1230	IF ( air_chemistry .AND. emissions_anthropogenic ) THEN
1231
1232	IF ( emiss_read_legacy_mode ) THEN
1233	!
1234	!-- get hourly index and updates emission data when the hour is passed
1235
1236	CALL get_date_time( time_since_reference_point, hour=hour )
1237
1238	IF ( hour_call_emis /= hour ) THEN
1239
1240	CALL chem_emissions_setup( chem_emis_att, chem_emis, n_matched_vars )
1241	hour_call_emis = hour
1242
1243	ENDIF
1244
1245	ELSE
1246
1247	CALL chem_emissions_update_on_demand
1248
1249	ENDIF
1250
1251	ENDIF
1252
1253
1254	!
1255	!-- If required, consider aerosol emissions for the salsa model
1256	IF ( salsa ) THEN
1257	!
1258	!-- Call emission routine to update emissions if needed
1259	CALL salsa_emission_update
1260
1261	ENDIF
1262	!
1263	!-- If required, calculate indoor temperature, waste heat, heat flux
1264	!-- through wall, etc.
1265	!-- dt_indoor steers the frequency of the indoor model calculations.
1266	!-- Note, at first timestep indoor model is called, in order to provide
1267	!-- a waste heat flux.
1268	IF ( indoor_model ) THEN
1269
1270	time_indoor = time_indoor + dt_3d
1271
1272	IF ( time_indoor >= dt_indoor .OR. current_timestep_number == 0 ) THEN
1273
1274	time_indoor = time_indoor - dt_indoor
1275
1276	CALL cpu_log( log_point(76), 'indoor_model', 'start' )
1277	CALL im_main_heatcool
1278	CALL cpu_log( log_point(76), 'indoor_model', 'stop' )
1279
1280	ENDIF
1281	ENDIF
1282	!
1283	!-- Increase simulation time and output times
1284	nr_timesteps_this_run = nr_timesteps_this_run + 1
1285	current_timestep_number = current_timestep_number + 1
1286	simulated_time = simulated_time + dt_3d
1287	time_since_reference_point = simulated_time - coupling_start_time
1288	simulated_time_chr = time_to_string( time_since_reference_point )
1289
1290
1291	IF ( time_since_reference_point >= skip_time_data_output_av ) THEN
1292	time_do_av = time_do_av + dt_3d
1293	ENDIF
1294	IF ( time_since_reference_point >= skip_time_do2d_xy ) THEN
1295	time_do2d_xy = time_do2d_xy + dt_3d
1296	ENDIF
1297	IF ( time_since_reference_point >= skip_time_do2d_xz ) THEN
1298	time_do2d_xz = time_do2d_xz + dt_3d
1299	ENDIF
1300	IF ( time_since_reference_point >= skip_time_do2d_yz ) THEN
1301	time_do2d_yz = time_do2d_yz + dt_3d
1302	ENDIF
1303	IF ( time_since_reference_point >= skip_time_do3d ) THEN
1304	time_do3d = time_do3d + dt_3d
1305	ENDIF
1306	DO mid = 1, masks
1307	IF ( time_since_reference_point >= skip_time_domask(mid) ) THEN
1308	time_domask(mid)= time_domask(mid) + dt_3d
1309	ENDIF
1310	ENDDO
1311	IF ( time_since_reference_point >= skip_time_dosp ) THEN
1312	time_dosp = time_dosp + dt_3d
1313	ENDIF
1314	time_dots = time_dots + dt_3d
1315	IF ( .NOT. first_call_lpm ) THEN
1316	time_dopts = time_dopts + dt_3d
1317	ENDIF
1318	IF ( time_since_reference_point >= skip_time_dopr ) THEN
1319	time_dopr = time_dopr + dt_3d
1320	ENDIF
1321	time_dopr_listing = time_dopr_listing + dt_3d
1322	time_run_control = time_run_control + dt_3d
1323	!
1324	!-- Increment time-counter for surface output
1325	IF ( surface_output ) THEN
1326	IF ( time_since_reference_point >= skip_time_dosurf ) THEN
1327	time_dosurf = time_dosurf + dt_3d
1328	ENDIF
1329	IF ( time_since_reference_point >= skip_time_dosurf_av ) THEN
1330	time_dosurf_av = time_dosurf_av + dt_3d
1331	ENDIF
1332	ENDIF
1333	!
1334	!-- Increment time-counter for virtual measurements
1335	IF ( virtual_measurement .AND. vm_time_start <= time_since_reference_point ) THEN
1336	time_virtual_measurement = time_virtual_measurement + dt_3d
1337	ENDIF
1338
1339	!
1340	!-- Increment time-counter for wind turbine data output
1341	IF ( wind_turbine ) THEN
1342	time_wtm = time_wtm + dt_3d
1343	ENDIF
1344
1345	!
1346	!-- In case of synthetic turbulence generation and parametrized turbulence
1347	!-- information, update the time counter and if required, adjust the
1348	!-- STG to new atmospheric conditions.
1349	IF ( use_syn_turb_gen ) THEN
1350	IF ( parametrize_inflow_turbulence ) THEN
1351	time_stg_adjust = time_stg_adjust + dt_3d
1352	IF ( time_stg_adjust >= dt_stg_adjust ) THEN
1353	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'start' )
1354	CALL stg_adjust
1355	CALL cpu_log( log_point(57), 'synthetic_turbulence_gen', 'stop' )
1356	ENDIF
1357	ENDIF
1358	time_stg_call = time_stg_call + dt_3d
1359	ENDIF
1360
1361	!
1362	!-- Data exchange between coupled models
1363	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled .AND. .NOT. vnested ) THEN
1364	time_coupling = time_coupling + dt_3d
1365
1366	!
1367	!-- In case of model termination initiated by the local model
1368	!-- (terminate_coupled > 0), the coupler must be skipped because it would
1369	!-- cause an MPI intercomminucation hang.
1370	!-- If necessary, the coupler will be called at the beginning of the
1371	!-- next restart run.
1372	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
1373	CALL surface_coupler
1374	time_coupling = time_coupling - dt_coupling
1375	ENDDO
1376	ENDIF
1377
1378	!
1379	!-- Biometeorology calculation of stationary thermal indices
1380	!-- Todo (kanani): biometeorology needs own time_... treatment.
1381	!-- It might be that time_do2d_xy differs from time_do3d,
1382	!-- and then we might get trouble with the biomet output,
1383	!-- because we can have 2d and/or 3d biomet output!!
1384	IF ( biometeorology &
1385	.AND. ( ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) &
1386	.OR. &
1387	( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) &
1388	) ) THEN
1389	!
1390	!-- If required, do thermal comfort calculations
1391	IF ( thermal_comfort ) THEN
1392	CALL bio_calculate_thermal_index_maps ( .FALSE. )
1393	ENDIF
1394	!
1395	!-- If required, do UV exposure calculations
1396	IF ( uv_exposure ) THEN
1397	CALL bio_calculate_uv_exposure
1398	ENDIF
1399	ENDIF
1400
1401	!
1402	!-- Execute alle other module actions routunes
1403	CALL module_interface_actions( 'after_integration' )
1404
1405	!
1406	!-- If Galilei transformation is used, determine the distance that the
1407	!-- model has moved so far
1408	IF ( galilei_transformation ) THEN
1409	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
1410	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
1411	ENDIF
1412
1413	!
1414	!-- Check, if restart is necessary (because cpu-time is expiring or
1415	!-- because it is forced by user) and set stop flag
1416	!-- This call is skipped if the remote model has already initiated a restart.
1417	IF ( .NOT. terminate_run ) CALL check_for_restart
1418
1419	!
1420	!-- Carry out statistical analysis and output at the requested output times.
1421	!-- The MOD function is used for calculating the output time counters (like
1422	!-- time_dopr) in order to regard a possible decrease of the output time
1423	!-- interval in case of restart runs
1424
1425	!
1426	!-- Set a flag indicating that so far no statistics have been created
1427	!-- for this time step
1428	flow_statistics_called = .FALSE.
1429
1430	!
1431	!-- If required, call flow_statistics for averaging in time
1432	IF ( averaging_interval_pr /= 0.0_wp .AND. &
1433	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
1434	time_since_reference_point >= skip_time_dopr ) THEN
1435	time_dopr_av = time_dopr_av + dt_3d
1436	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
1437	do_sum = .TRUE.
1438	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
1439	ENDIF
1440	ENDIF
1441	IF ( do_sum ) CALL flow_statistics
1442
1443	!
1444	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
1445	IF ( averaging_interval /= 0.0_wp .AND. &
1446	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
1447	time_since_reference_point >= skip_time_data_output_av ) &
1448	THEN
1449	time_do_sla = time_do_sla + dt_3d
1450	IF ( time_do_sla >= dt_averaging_input ) THEN
1451	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1452	CALL doq_calculate
1453
1454	CALL sum_up_3d_data
1455	average_count_3d = average_count_3d + 1
1456	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
1457	ENDIF
1458	ENDIF
1459	!
1460	!-- Average surface data
1461	IF ( surface_output ) THEN
1462	IF ( averaging_interval_surf /= 0.0_wp &
1463	.AND. ( dt_dosurf_av - time_dosurf_av ) <= averaging_interval_surf &
1464	.AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1465	IF ( time_dosurf_av >= dt_averaging_input ) THEN
1466	CALL surface_data_output_averaging
1467	average_count_surf = average_count_surf + 1
1468	ENDIF
1469	ENDIF
1470	ENDIF
1471
1472	!
1473	!-- Calculate spectra for time averaging
1474	IF ( averaging_interval_sp /= 0.0_wp .AND. ( dt_dosp - time_dosp ) <= averaging_interval_sp&
1475	.AND. time_since_reference_point >= skip_time_dosp ) THEN
1476	time_dosp_av = time_dosp_av + dt_3d
1477	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
1478	CALL calc_spectra
1479	time_dosp_av = MOD( time_dosp_av, MAX( dt_averaging_input_pr, dt_3d ) )
1480	ENDIF
1481	ENDIF
1482
1483	!
1484	!-- Call flight module and output data
1485	IF ( virtual_flight ) THEN
1486	CALL flight_measurement
1487	CALL data_output_flight
1488	ENDIF
1489	!
1490	!-- Take virtual measurements
1491	IF ( virtual_measurement .AND. time_virtual_measurement >= dt_virtual_measurement &
1492	.AND. vm_time_start <= time_since_reference_point ) THEN
1493	CALL vm_sampling
1494	CALL vm_data_output
1495	time_virtual_measurement = MOD( time_virtual_measurement, &
1496	MAX( dt_virtual_measurement, dt_3d ) )
1497	ENDIF
1498
1499	!
1500	!-- Output wind turbine data
1501	IF ( wind_turbine .AND. time_wtm >= dt_data_output_wtm ) THEN
1502	CALL wtm_data_output
1503	time_wtm = MOD( time_wtm, MAX( dt_data_output_wtm, dt_3d ) )
1504	ENDIF
1505
1506	!
1507	!-- Profile output (ASCII) on file
1508	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
1509	CALL print_1d
1510	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, dt_3d ) )
1511	ENDIF
1512
1513	!
1514	!-- Graphic output for PROFIL
1515	IF ( time_dopr >= dt_dopr .AND. time_since_reference_point >= skip_time_dopr ) THEN
1516	IF ( dopr_n /= 0 ) CALL data_output_profiles
1517	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
1518	time_dopr_av = 0.0_wp ! due to averaging (see above)
1519	ENDIF
1520
1521	!
1522	!-- Graphic output for time series
1523	IF ( time_dots >= dt_dots ) THEN
1524	CALL data_output_tseries
1525	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
1526	ENDIF
1527
1528	!
1529	!-- Output of spectra (formatted for use with PROFIL), in case of no
1530	!-- time averaging, spectra has to be calculated before
1531	IF ( time_dosp >= dt_dosp .AND. time_since_reference_point >= skip_time_dosp ) THEN
1532	IF ( average_count_sp == 0 ) CALL calc_spectra
1533	CALL data_output_spectra
1534	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
1535	ENDIF
1536
1537	!
1538	!-- 2d-data output (cross-sections)
1539	IF ( time_do2d_xy >= dt_do2d_xy .AND. time_since_reference_point >= skip_time_do2d_xy ) THEN
1540	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1541	CALL doq_calculate
1542
1543	CALL data_output_2d( 'xy', 0 )
1544	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
1545	ENDIF
1546	IF ( time_do2d_xz >= dt_do2d_xz .AND. time_since_reference_point >= skip_time_do2d_xz ) THEN
1547	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1548
1549	CALL doq_calculate
1550	CALL data_output_2d( 'xz', 0 )
1551	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
1552	ENDIF
1553	IF ( time_do2d_yz >= dt_do2d_yz .AND. time_since_reference_point >= skip_time_do2d_yz ) THEN
1554	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1555	CALL doq_calculate
1556
1557	CALL data_output_2d( 'yz', 0 )
1558	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
1559	ENDIF
1560
1561	!
1562	!-- 3d-data output (volume data)
1563	IF ( time_do3d >= dt_do3d .AND. time_since_reference_point >= skip_time_do3d ) THEN
1564	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1565	CALL doq_calculate
1566
1567	CALL data_output_3d( 0 )
1568	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
1569	ENDIF
1570
1571	!
1572	!-- Masked data output
1573	DO mid = 1, masks
1574	IF ( time_domask(mid) >= dt_domask(mid) &
1575	.AND. time_since_reference_point >= skip_time_domask(mid) ) THEN
1576	IF ( current_timestep_number > timestep_number_at_prev_calc ) &
1577	CALL doq_calculate
1578
1579	CALL data_output_mask( 0, mid )
1580	time_domask(mid) = MOD( time_domask(mid), MAX( dt_domask(mid), dt_3d ) )
1581	ENDIF
1582	ENDDO
1583
1584	!
1585	!-- Output of time-averaged 2d/3d/masked data
1586	IF ( time_do_av >= dt_data_output_av &
1587	.AND. time_since_reference_point >= skip_time_data_output_av ) THEN
1588	CALL average_3d_data
1589	!
1590	!-- Udate thermal comfort indices based on updated averaged input
1591	IF ( biometeorology .AND. thermal_comfort ) THEN
1592	CALL bio_calculate_thermal_index_maps ( .TRUE. )
1593	ENDIF
1594	CALL data_output_2d( 'xy', 1 )
1595	CALL data_output_2d( 'xz', 1 )
1596	CALL data_output_2d( 'yz', 1 )
1597	CALL data_output_3d( 1 )
1598	DO mid = 1, masks
1599	CALL data_output_mask( 1, mid )
1600	ENDDO
1601	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
1602	ENDIF
1603	!
1604	!-- Output of surface data, instantaneous and averaged data
1605	IF ( surface_output ) THEN
1606	IF ( time_dosurf >= dt_dosurf .AND. time_since_reference_point >= skip_time_dosurf ) THEN
1607	CALL surface_data_output( 0 )
1608	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
1609	ENDIF
1610	IF ( time_dosurf_av >= dt_dosurf_av .AND. time_since_reference_point >= skip_time_dosurf_av ) THEN
1611	CALL surface_data_output( 1 )
1612	time_dosurf_av = MOD( time_dosurf_av, MAX( dt_dosurf_av, dt_3d ) )
1613	ENDIF
1614	ENDIF
1615
1616	!
1617	!-- Output of particle time series
1618	IF ( particle_advection ) THEN
1619	IF ( time_dopts >= dt_dopts .OR. &
1620	( time_since_reference_point >= particle_advection_start .AND. &
1621	first_call_lpm ) ) THEN
1622	CALL lpm_data_output_ptseries
1623	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
1624	ENDIF
1625	ENDIF
1626
1627	!
1628	!-- If required, set the heat flux for the next time step to a random value
1629	IF ( constant_heatflux .AND. random_heatflux ) THEN
1630	IF ( surf_def_h(0)%ns >= 1 ) THEN
1631	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1632	CALL disturb_heatflux( surf_def_h(0) )
1633	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1634	ENDIF
1635	IF ( surf_lsm_h%ns >= 1 ) THEN
1636	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1637	CALL disturb_heatflux( surf_lsm_h )
1638	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1639	ENDIF
1640	IF ( surf_usm_h%ns >= 1 ) THEN
1641	CALL cpu_log( log_point(23), 'disturb_heatflux', 'start' )
1642	CALL disturb_heatflux( surf_usm_h )
1643	CALL cpu_log( log_point(23), 'disturb_heatflux', 'stop' )
1644	ENDIF
1645	ENDIF
1646
1647	!
1648	!-- Execute alle other module actions routunes
1649	CALL module_interface_actions( 'after_timestep' )
1650
1651	!
1652	!-- Determine size of next time step. Save timestep dt_3d because it is
1653	!-- newly calculated in routine timestep, but required further below for
1654	!-- steering the run control output interval
1655	dt_3d_old = dt_3d
1656	CALL timestep
1657
1658	#if defined( __parallel )
1659	!
1660	!-- Synchronize the timestep in case of nested run.
1661	IF ( nested_run ) THEN
1662	!
1663	!-- Synchronize by unifying the time step.
1664	!-- Global minimum of all time-steps is used for all.
1665	CALL pmci_synchronize
1666	ENDIF
1667	#endif
1668
1669	!
1670	!-- Computation and output of run control parameters.
1671	!-- This is also done whenever perturbations have been imposed
1672	IF ( time_run_control >= dt_run_control .OR. &
1673	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
1674	THEN
1675	CALL run_control
1676	IF ( time_run_control >= dt_run_control ) THEN
1677	time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d_old ) )
1678	ENDIF
1679	ENDIF
1680
1681	!
1682	!-- Output elapsed simulated time in form of a progress bar on stdout
1683	IF ( myid == 0 ) CALL output_progress_bar
1684
1685	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
1686
1687
1688	ENDDO ! time loop
1689
1690	#if defined( _OPENACC )
1691	CALL exit_surface_arrays
1692	#endif
1693	!$ACC END DATA
1694	!$ACC END DATA
1695	!$ACC END DATA
1696	!$ACC END DATA
1697	!$ACC END DATA
1698	!$ACC END DATA
1699	!$ACC END DATA
1700
1701	#if defined( __parallel )
1702	!
1703	!-- Vertical nesting: Deallocate variables initialized for vertical nesting
1704	IF ( vnest_init ) CALL vnest_deallocate
1705	#endif
1706
1707	IF ( myid == 0 ) CALL finish_progress_bar
1708
1709	CALL location_message( 'atmosphere (and/or ocean) time-stepping', 'finished' )
1710
1711	END SUBROUTINE time_integration

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