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source: palm/trunk/SOURCE/time_integration.f90 @ 1960

Last change on this file since 1960 was 1960, checked in by suehring, 8 years ago
Separate balance equations for humidity and passive_scalar
Property svn:keywords set to `Id`
File size: 46.8 KB

Rev	Line
[1682]	1	!> @file time_integration.f90
[1036]	2	!--------------------------------------------------------------------------------!
	3	! This file is part of PALM.
	4	!
	5	! PALM is free software: you can redistribute it and/or modify it under the terms
	6	! of the GNU General Public License as published by the Free Software Foundation,
	7	! either version 3 of the License, or (at your option) any later version.
	8	!
	9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	10	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	11	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	12	!
	13	! You should have received a copy of the GNU General Public License along with
	14	! PALM. If not, see <http://www.gnu.org/licenses/>.
	15	!
[1818]	16	! Copyright 1997-2016 Leibniz Universitaet Hannover
[1036]	17	!--------------------------------------------------------------------------------!
	18	!
[484]	19	! Current revisions:
[1092]	20	! ------------------
[1960]	21	! Separate humidity and passive scalar
[1928]	22	!
[1366]	23	! Former revisions:
	24	! -----------------
	25	! $Id: time_integration.f90 1960 2016-07-12 16:34:24Z suehring $
	26	!
[1958]	27	! 1957 2016-07-07 10:43:48Z suehring
	28	! flight module added
	29	!
[1933]	30	! 1919 2016-05-27 14:51:23Z raasch
	31	! Initial version of purely vertical nesting introduced.
[1928]	32	!
[1919]	33	! 1918 2016-05-27 14:35:57Z raasch
	34	! determination of time step moved to the end of the time step loop,
	35	! the first time step is now always calculated before the time step loop (i.e.
	36	! also in case of restart runs)
	37	!
[1917]	38	! 1914 2016-05-26 14:44:07Z witha
	39	! Added call for wind turbine model
	40	!
[1879]	41	! 1878 2016-04-19 12:30:36Z hellstea
	42	! Synchronization for nested runs rewritten
	43	!
[1854]	44	! 1853 2016-04-11 09:00:35Z maronga
	45	! Adjusted for use with radiation_scheme = constant
	46	!
[1851]	47	! 1849 2016-04-08 11:33:18Z hoffmann
	48	! Adapted for modularization of microphysics
	49	!
[1834]	50	! 1833 2016-04-07 14:23:03Z raasch
	51	! spectrum renamed spectra_mod, spectra related variables moved to spectra_mod
	52	!
[1832]	53	! 1831 2016-04-07 13:15:51Z hoffmann
	54	! turbulence renamed collision_turbulence
	55	!
[1823]	56	! 1822 2016-04-07 07:49:42Z hoffmann
	57	! icloud_scheme replaced by microphysics_*
	58	!
[1809]	59	! 1808 2016-04-05 19:44:00Z raasch
	60	! output message in case unscheduled radiation calls removed
	61	!
[1798]	62	! 1797 2016-03-21 16:50:28Z raasch
	63	! introduction of different datatransfer modes
	64	!
[1792]	65	! 1791 2016-03-11 10:41:25Z raasch
	66	! call of pmci_update_new removed
	67	!
[1787]	68	! 1786 2016-03-08 05:49:27Z raasch
	69	! +module spectrum
	70	!
[1784]	71	! 1783 2016-03-06 18:36:17Z raasch
	72	! switch back of netcdf data format for mask output moved to the mask output
	73	! routine
	74	!
[1782]	75	! 1781 2016-03-03 15:12:23Z raasch
	76	! some pmc calls removed at the beginning (before timeloop),
	77	! pmc initialization moved to the main program
	78	!
[1765]	79	! 1764 2016-02-28 12:45:19Z raasch
	80	! PMC_ACTIVE flags removed,
	81	! bugfix: nest synchronization after first call of timestep
	82	!
[1763]	83	! 1762 2016-02-25 12:31:13Z hellstea
	84	! Introduction of nested domain feature
	85	!
[1737]	86	! 1736 2015-12-04 08:56:33Z raasch
	87	! no perturbations added to total domain if energy limit has been set zero
	88	!
[1692]	89	! 1691 2015-10-26 16:17:44Z maronga
	90	! Added option for spin-ups without land surface and radiation models. Moved calls
	91	! for radiation and lan surface schemes.
	92	!
[1683]	93	! 1682 2015-10-07 23:56:08Z knoop
	94	! Code annotations made doxygen readable
	95	!
[1672]	96	! 1671 2015-09-25 03:29:37Z raasch
	97	! bugfix: ghostpoint exchange for array diss in case that sgs velocities are used
	98	! for particles
	99	!
[1586]	100	! 1585 2015-04-30 07:05:52Z maronga
	101	! Moved call of radiation scheme. Added support for RRTM
	102	!
[1552]	103	! 1551 2015-03-03 14:18:16Z maronga
	104	! Added interface for different radiation schemes.
	105	!
[1497]	106	! 1496 2014-12-02 17:25:50Z maronga
	107	! Added calls for the land surface model and radiation scheme
	108	!
[1403]	109	! 1402 2014-05-09 14:25:13Z raasch
	110	! location messages modified
	111	!
[1385]	112	! 1384 2014-05-02 14:31:06Z raasch
	113	! location messages added
	114	!
[1381]	115	! 1380 2014-04-28 12:40:45Z heinze
	116	! CALL of nudge_ref added
	117	! bc_pt_t_val and bc_q_t_val are updated in case nudging is used
	118	!
[1366]	119	! 1365 2014-04-22 15:03:56Z boeske
[1365]	120	! Reset sums_ls_l to zero at each timestep
	121	! +sums_ls_l
	122	! Calculation of reference state (previously in subroutine calc_mean_profile)
	123
[1343]	124	! 1342 2014-03-26 17:04:47Z kanani
	125	! REAL constants defined as wp-kind
	126	!
[1321]	127	! 1320 2014-03-20 08:40:49Z raasch
[1320]	128	! ONLY-attribute added to USE-statements,
	129	! kind-parameters added to all INTEGER and REAL declaration statements,
	130	! kinds are defined in new module kinds,
	131	! old module precision_kind is removed,
	132	! revision history before 2012 removed,
	133	! comment fields (!:) to be used for variable explanations added to
	134	! all variable declaration statements
[1319]	135	! 1318 2014-03-17 13:35:16Z raasch
	136	! module interfaces removed
	137	!
[1309]	138	! 1308 2014-03-13 14:58:42Z fricke
	139	! +netcdf_data_format_save
	140	! For masked data, parallel netcdf output is not tested so far, hence
	141	! netcdf_data_format is switched back to non-paralell output.
	142	!
[1277]	143	! 1276 2014-01-15 13:40:41Z heinze
	144	! Use LSF_DATA also in case of Dirichlet bottom boundary condition for scalars
	145	!
[1258]	146	! 1257 2013-11-08 15:18:40Z raasch
	147	! acc-update-host directive for timestep removed
	148	!
[1242]	149	! 1241 2013-10-30 11:36:58Z heinze
	150	! Generalize calc_mean_profile for wider use
	151	! Determine shf and qsws in dependence on data from LSF_DATA
	152	! Determine ug and vg in dependence on data from LSF_DATA
[1222]	153	! 1221 2013-09-10 08:59:13Z raasch
	154	! host update of arrays before timestep is called
	155	!
[1182]	156	! 1179 2013-06-14 05:57:58Z raasch
	157	! mean profiles for reference state are only calculated if required,
	158	! small bugfix for background communication
	159	!
[1172]	160	! 1171 2013-05-30 11:27:45Z raasch
	161	! split of prognostic_equations deactivated (comment lines), for the time being
	162	!
[1132]	163	! 1128 2013-04-12 06:19:32Z raasch
[1128]	164	! asynchronous transfer of ghost point data realized for acc-optimized version:
	165	! prognostic_equations are first called two times for those points required for
	166	! the left-right and north-south exchange, respectively, and then for the
	167	! remaining points,
	168	! those parts requiring global communication moved from prognostic_equations to
	169	! here
[392]	170	!
[1116]	171	! 1115 2013-03-26 18:16:16Z hoffmann
	172	! calculation of qr and nr is restricted to precipitation
	173	!
[1114]	174	! 1113 2013-03-10 02:48:14Z raasch
	175	! GPU-porting of boundary conditions,
	176	! openACC directives updated
	177	! formal parameter removed from routine boundary_conds
	178	!
[1112]	179	! 1111 2013-03-08 23:54:10Z raasch
	180	! +internal timestep counter for cpu statistics added,
	181	! openACC directives updated
	182	!
[1093]	183	! 1092 2013-02-02 11:24:22Z raasch
	184	! unused variables removed
	185	!
[1066]	186	! 1065 2012-11-22 17:42:36Z hoffmann
	187	! exchange of diss (dissipation rate) in case of turbulence = .TRUE. added
	188	!
[1054]	189	! 1053 2012-11-13 17:11:03Z hoffmann
	190	! exchange of ghost points for nr, qr added
	191	!
[1037]	192	! 1036 2012-10-22 13:43:42Z raasch
	193	! code put under GPL (PALM 3.9)
	194	!
[1020]	195	! 1019 2012-09-28 06:46:45Z raasch
	196	! non-optimized version of prognostic_equations removed
	197	!
[1017]	198	! 1015 2012-09-27 09:23:24Z raasch
	199	! +call of prognostic_equations_acc
	200	!
[1002]	201	! 1001 2012-09-13 14:08:46Z raasch
	202	! all actions concerning leapfrog- and upstream-spline-scheme removed
	203	!
[850]	204	! 849 2012-03-15 10:35:09Z raasch
	205	! advec_particles renamed lpm, first_call_advec_particles renamed first_call_lpm
	206	!
[826]	207	! 825 2012-02-19 03:03:44Z raasch
	208	! wang_collision_kernel renamed wang_kernel
	209	!
[1]	210	! Revision 1.1 1997/08/11 06:19:04 raasch
	211	! Initial revision
	212	!
	213	!
	214	! Description:
	215	! ------------
[1682]	216	!> Integration in time of the model equations, statistical analysis and graphic
	217	!> output
[1]	218	!------------------------------------------------------------------------------!
[1682]	219	SUBROUTINE time_integration
	220
[1]	221
[1320]	222	USE advec_ws, &
	223	ONLY: ws_statistics
	224
	225	USE arrays_3d, &
[1762]	226	ONLY: diss, dzu, e, e_p, nr_p, prho, pt, pt_p, pt_init, q_init, q, &
[1960]	227	ql, ql_c, ql_v, ql_vp, qr_p, q_p, ref_state, rho, s, s_p, sa_p, &
	228	tend, u, u_p, v, vpt, v_p, w, w_p
[1320]	229
[1365]	230	USE calc_mean_profile_mod, &
[1320]	231	ONLY: calc_mean_profile
	232
	233	USE control_parameters, &
	234	ONLY: advected_distance_x, advected_distance_y, average_count_3d, &
[1833]	235	averaging_interval, averaging_interval_pr, &
	236	bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
[1380]	237	bc_q_t_val, call_psolver_at_all_substeps, cloud_droplets, &
[1691]	238	cloud_physics, constant_flux_layer, constant_heatflux, &
	239	create_disturbances, dopr_n, constant_diffusion, coupling_mode, &
	240	coupling_start_time, current_timestep_number, &
	241	disturbance_created, disturbance_energy_limit, dist_range, &
	242	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, &
	243	dt_coupling, dt_data_output_av, dt_disturb, dt_do2d_xy, &
	244	dt_do2d_xz, dt_do2d_yz, dt_do3d, dt_domask,dt_dopts, dt_dopr, &
[1833]	245	dt_dopr_listing, dt_dots, dt_dvrp, dt_run_control, &
[1320]	246	end_time, first_call_lpm, galilei_transformation, humidity, &
[1822]	247	intermediate_timestep_count, &
[1320]	248	intermediate_timestep_count_max, large_scale_forcing, &
[1822]	249	loop_optimization, lsf_surf, lsf_vert, masks, &
	250	microphysics_seifert, mid, nest_domain, &
[1783]	251	neutral, nr_timesteps_this_run, nudging, &
[1822]	252	ocean, on_device, passive_scalar, &
[1320]	253	prho_reference, pt_reference, pt_slope_offset, random_heatflux, &
	254	run_coupled, simulated_time, simulated_time_chr, &
	255	skip_time_do2d_xy, skip_time_do2d_xz, skip_time_do2d_yz, &
	256	skip_time_do3d, skip_time_domask, skip_time_dopr, &
[1833]	257	skip_time_data_output_av, sloping_surface, &
[1320]	258	stop_dt, terminate_coupled, terminate_run, timestep_scheme, &
	259	time_coupling, time_do2d_xy, time_do2d_xz, time_do2d_yz, &
	260	time_do3d, time_domask, time_dopr, time_dopr_av, &
	261	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, &
	262	time_dots, time_do_av, time_do_sla, time_disturb, time_dvrp, &
[1496]	263	time_run_control, time_since_reference_point, &
[1320]	264	turbulent_inflow, use_initial_profile_as_reference, &
[1957]	265	use_single_reference_value, u_gtrans, v_gtrans, virtual_flight, &
	266	ws_scheme_mom, ws_scheme_sca
[1320]	267
	268	USE cpulog, &
	269	ONLY: cpu_log, log_point, log_point_s
	270
[1957]	271	USE flight_mod, &
	272	ONLY: flight_measurement
	273
	274
[1320]	275	USE indices, &
	276	ONLY: i_left, i_right, j_north, j_south, nbgp, nx, nxl, nxlg, nxr, &
[1918]	277	nxrg, nyn, nyng, nys, nysg, nzb, nzt, nzb_u_inner, nzb_v_inner
[1320]	278
	279	USE interaction_droplets_ptq_mod, &
	280	ONLY: interaction_droplets_ptq
	281
[1918]	282	USE interfaces
	283
[1320]	284	USE kinds
	285
[1496]	286	USE land_surface_model_mod, &
[1691]	287	ONLY: land_surface, lsm_energy_balance, lsm_soil_model, &
	288	skip_time_do_lsm
[1496]	289
[1320]	290	USE ls_forcing_mod, &
	291	ONLY: ls_forcing_surf, ls_forcing_vert
	292
[1849]	293	USE microphysics_mod, &
	294	ONLY: collision_turbulence
	295
[1365]	296	USE nudge_mod, &
[1380]	297	ONLY: calc_tnudge, nudge_ref
[1365]	298
[1320]	299	USE particle_attributes, &
[1671]	300	ONLY: particle_advection, particle_advection_start, &
	301	use_sgs_for_particles, wang_kernel
[1320]	302
[1]	303	USE pegrid
	304
[1762]	305	USE pmc_interface, &
[1933]	306	ONLY: nested_run, nesting_mode, pmci_datatrans, &
	307	pmci_ensure_nest_mass_conservation, pmci_synchronize
[1762]	308
[1320]	309	USE production_e_mod, &
	310	ONLY: production_e_init
	311
[1402]	312	USE progress_bar, &
	313	ONLY: finish_progress_bar, output_progress_bar
	314
[1320]	315	USE prognostic_equations_mod, &
	316	ONLY: prognostic_equations_acc, prognostic_equations_cache, &
	317	prognostic_equations_vector
	318
[1496]	319	USE radiation_model_mod, &
[1691]	320	ONLY: dt_radiation, force_radiation_call, radiation, &
[1853]	321	radiation_clearsky, radiation_constant, radiation_rrtmg, &
	322	radiation_scheme, skip_time_do_radiation, time_radiation
[1496]	323
[1833]	324	USE spectra_mod, &
	325	ONLY: average_count_sp, averaging_interval_sp, calc_spectra, dt_dosp, &
	326	skip_time_dosp
[1786]	327
[1320]	328	USE statistics, &
[1918]	329	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l, u_max, &
	330	u_max_ijk, v_max, v_max_ijk, w_max, w_max_ijk
[1320]	331
[1691]	332	USE surface_layer_fluxes_mod, &
	333	ONLY: surface_layer_fluxes
	334
[1320]	335	USE user_actions_mod, &
	336	ONLY: user_actions
	337
[1914]	338	USE wind_turbine_model_mod, &
	339	ONLY: wind_turbine, wtm_forces
	340
[1]	341	IMPLICIT NONE
	342
[1682]	343	CHARACTER (LEN=9) :: time_to_string !<
[1]	344
[1918]	345	REAL(wp) :: dt_3d_old !< temporary storage of timestep to be used for
	346	!< steering of run control output interval
	347
[1]	348	!
[1918]	349	!-- At beginning determine the first time step
	350	CALL timestep
[667]	351
[1764]	352	!
	353	!-- Synchronize the timestep in case of nested run.
	354	IF ( nested_run ) THEN
[1878]	355	!
	356	!-- Synchronization by unifying the time step.
	357	!-- Global minimum of all time-steps is used for all.
	358	CALL pmci_synchronize
[1764]	359	ENDIF
	360
[1918]	361	!
	362	!-- Determine and print out the run control quantities before the first time
	363	!-- step of this run. For the initial run, some statistics (e.g. divergence)
	364	!-- need to be determined first.
	365	IF ( simulated_time == 0.0_wp ) CALL flow_statistics
[1]	366	CALL run_control
	367
[108]	368	!
	369	!-- Data exchange between coupled models in case that a call has been omitted
	370	!-- at the end of the previous run of a job chain.
[291]	371	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
[108]	372	!
	373	!-- In case of model termination initiated by the local model the coupler
	374	!-- must not be called because this would again cause an MPI hang.
[1918]	375	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[108]	376	CALL surface_coupler
	377	time_coupling = time_coupling - dt_coupling
	378	ENDDO
[1918]	379	IF (time_coupling == 0.0_wp .AND. &
	380	time_since_reference_point < dt_coupling ) &
[348]	381	THEN
	382	time_coupling = time_since_reference_point
	383	ENDIF
[108]	384	ENDIF
	385
[1]	386	#if defined( __dvrp_graphics )
	387	!
	388	!-- Time measurement with dvrp software
	389	CALL DVRP_LOG_EVENT( 2, current_timestep_number )
	390	#endif
	391
[1402]	392	CALL location_message( 'start with time-stepping', .TRUE. )
[1]	393	!
	394	!-- Start of the time loop
	395	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. &
	396	.NOT. terminate_run )
	397
	398	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
[1221]	399
[1]	400	!
[1241]	401	!-- Determine ug, vg and w_subs in dependence on data from external file
	402	!-- LSF_DATA
[1365]	403	IF ( large_scale_forcing .AND. lsf_vert ) THEN
[1241]	404	CALL ls_forcing_vert ( simulated_time )
[1365]	405	sums_ls_l = 0.0_wp
[1241]	406	ENDIF
	407
	408	!
[1380]	409	!-- Set pt_init and q_init to the current profiles taken from
	410	!-- NUDGING_DATA
	411	IF ( nudging ) THEN
	412	CALL nudge_ref ( simulated_time )
	413	!
	414	!-- Store temperature gradient at the top boundary for possible Neumann
	415	!-- boundary condition
	416	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
	417	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
	418	ENDIF
	419
	420	!
[1]	421	!-- Execute the user-defined actions
	422	CALL user_actions( 'before_timestep' )
	423
	424	!
[1914]	425	!-- Calculate forces by wind turbines
	426	IF ( wind_turbine ) THEN
	427
	428	CALL cpu_log( log_point(55), 'wind_turbine', 'start' )
	429
	430	CALL wtm_forces
	431
	432	CALL cpu_log( log_point(55), 'wind_turbine', 'stop' )
	433
	434	ENDIF
	435
	436	!
[1]	437	!-- Start of intermediate step loop
	438	intermediate_timestep_count = 0
	439	DO WHILE ( intermediate_timestep_count < &
	440	intermediate_timestep_count_max )
	441
	442	intermediate_timestep_count = intermediate_timestep_count + 1
	443
	444	!
	445	!-- Set the steering factors for the prognostic equations which depend
	446	!-- on the timestep scheme
	447	CALL timestep_scheme_steering
	448
	449	!
[1128]	450	!-- Calculate those variables needed in the tendency terms which need
	451	!-- global communication
[1179]	452	IF ( .NOT. use_single_reference_value .AND. &
	453	.NOT. use_initial_profile_as_reference ) THEN
	454	!
	455	!-- Horizontally averaged profiles to be used as reference state in
	456	!-- buoyancy terms (WARNING: only the respective last call of
	457	!-- calc_mean_profile defines the reference state!)
[1365]	458	IF ( .NOT. neutral ) THEN
	459	CALL calc_mean_profile( pt, 4 )
	460	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
	461	ENDIF
	462	IF ( ocean ) THEN
	463	CALL calc_mean_profile( rho, 64 )
	464	ref_state(:) = hom(:,1,64,0)
	465	ENDIF
	466	IF ( humidity ) THEN
	467	CALL calc_mean_profile( vpt, 44 )
	468	ref_state(:) = hom(:,1,44,0)
	469	ENDIF
	470
[1179]	471	ENDIF
	472
[1128]	473	IF ( .NOT. constant_diffusion ) CALL production_e_init
	474	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. &
	475	intermediate_timestep_count == 1 ) CALL ws_statistics
[1365]	476	!
	477	!-- In case of nudging calculate current nudging time scale and horizontal
[1380]	478	!-- means of u, v, pt and q
[1365]	479	IF ( nudging ) THEN
	480	CALL calc_tnudge( simulated_time )
	481	CALL calc_mean_profile( u, 1 )
	482	CALL calc_mean_profile( v, 2 )
	483	CALL calc_mean_profile( pt, 4 )
	484	CALL calc_mean_profile( q, 41 )
	485	ENDIF
[1128]	486
	487	!
[1]	488	!-- Solve the prognostic equations. A fast cache optimized version with
	489	!-- only one single loop is used in case of Piascek-Williams advection
	490	!-- scheme. NEC vector machines use a different version, because
	491	!-- in the other versions a good vectorization is prohibited due to
	492	!-- inlining problems.
[1019]	493	IF ( loop_optimization == 'cache' ) THEN
	494	CALL prognostic_equations_cache
	495	ELSEIF ( loop_optimization == 'vector' ) THEN
[63]	496	CALL prognostic_equations_vector
[1015]	497	ELSEIF ( loop_optimization == 'acc' ) THEN
[1171]	498	i_left = nxl; i_right = nxr
	499	j_south = nys; j_north = nyn
	500	CALL prognostic_equations_acc
	501
	502	! i_left = nxl; i_right = nxl+nbgp-1
[1128]	503	! j_south = nys; j_north = nyn
	504	! CALL prognostic_equations_acc
[1171]	505	! i_left = nxr-nbgp+1; i_right = nxr
	506	! j_south = nys; j_north = nyn
	507	! CALL prognostic_equations_acc
[1128]	508
	509	!
	510	!-- Exchange of ghost points (lateral boundary conditions)
	511	IF ( background_communication ) THEN
	512
	513	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
	514
	515	send_receive = 'lr'
	516	sendrecv_in_background = .TRUE.
	517	req = 0
	518	req_count = 0
	519
	520	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	521	on_device = .TRUE. ! to be removed after complete porting
	522	ELSE ! of ghost point exchange
	523	!$acc update host( e_p, pt_p, u_p, v_p, w_p )
	524	ENDIF
	525
	526	CALL exchange_horiz( u_p, nbgp )
	527	CALL exchange_horiz( v_p, nbgp )
	528	CALL exchange_horiz( w_p, nbgp )
	529	CALL exchange_horiz( pt_p, nbgp )
	530	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
	531	IF ( ocean ) THEN
	532	CALL exchange_horiz( sa_p, nbgp )
	533	CALL exchange_horiz( rho, nbgp )
[1960]	534	CALL exchange_horiz( prho, nbgp )
[1128]	535	ENDIF
[1960]	536	IF ( humidity ) THEN
[1128]	537	CALL exchange_horiz( q_p, nbgp )
[1822]	538	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1128]	539	CALL exchange_horiz( qr_p, nbgp )
	540	CALL exchange_horiz( nr_p, nbgp )
	541	ENDIF
	542	ENDIF
	543	IF ( cloud_droplets ) THEN
	544	CALL exchange_horiz( ql, nbgp )
	545	CALL exchange_horiz( ql_c, nbgp )
	546	CALL exchange_horiz( ql_v, nbgp )
	547	CALL exchange_horiz( ql_vp, nbgp )
	548	ENDIF
[1831]	549	IF ( wang_kernel .OR. collision_turbulence .OR. &
	550	use_sgs_for_particles ) THEN
[1671]	551	CALL exchange_horiz( diss, nbgp )
	552	ENDIF
[1960]	553	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
[1128]	554
	555	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	556	on_device = .FALSE. ! to be removed after complete porting
	557	ELSE ! of ghost point exchange
	558	!$acc update device( e_p, pt_p, u_p, v_p, w_p )
	559	ENDIF
	560
	561	sendrecv_in_background = .FALSE.
	562
	563	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'pause' )
	564
	565	ENDIF
	566
[1171]	567	! i_left = nxl+nbgp; i_right = nxr-nbgp
	568	! j_south = nys; j_north = nys+nbgp-1
	569	! CALL prognostic_equations_acc
	570	! i_left = nxl+nbgp; i_right = nxr-nbgp
	571	! j_south = nyn-nbgp+1; j_north = nyn
	572	! CALL prognostic_equations_acc
[1128]	573
	574	IF ( background_communication ) THEN
	575	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'start' )
	576	#if defined( __parallel )
	577	CALL MPI_WAITALL( req_count, req, wait_stat, ierr )
	578	#endif
	579	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'pause' )
	580
	581	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'continue' )
	582
	583	send_receive = 'ns'
	584	sendrecv_in_background = .TRUE.
	585	req = 0
	586	req_count = 0
	587
	588	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	589	on_device = .TRUE. ! to be removed after complete porting
	590	ELSE ! of ghost point exchange
	591	!$acc update host( e_p, pt_p, u_p, v_p, w_p )
	592	ENDIF
	593
	594	CALL exchange_horiz( u_p, nbgp )
	595	CALL exchange_horiz( v_p, nbgp )
	596	CALL exchange_horiz( w_p, nbgp )
	597	CALL exchange_horiz( pt_p, nbgp )
	598	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
	599	IF ( ocean ) THEN
	600	CALL exchange_horiz( sa_p, nbgp )
	601	CALL exchange_horiz( rho, nbgp )
	602	CALL exchange_horiz( prho, nbgp )
	603	ENDIF
[1960]	604	IF ( humidity ) THEN
[1128]	605	CALL exchange_horiz( q_p, nbgp )
[1822]	606	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1128]	607	CALL exchange_horiz( qr_p, nbgp )
	608	CALL exchange_horiz( nr_p, nbgp )
	609	ENDIF
	610	ENDIF
	611	IF ( cloud_droplets ) THEN
	612	CALL exchange_horiz( ql, nbgp )
	613	CALL exchange_horiz( ql_c, nbgp )
	614	CALL exchange_horiz( ql_v, nbgp )
	615	CALL exchange_horiz( ql_vp, nbgp )
	616	ENDIF
[1831]	617	IF ( wang_kernel .OR. collision_turbulence .OR. &
	618	use_sgs_for_particles ) THEN
[1671]	619	CALL exchange_horiz( diss, nbgp )
	620	ENDIF
[1960]	621	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
[1128]	622
	623	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	624	on_device = .FALSE. ! to be removed after complete porting
	625	ELSE ! of ghost point exchange
	626	!$acc update device( e_p, pt_p, u_p, v_p, w_p )
	627	ENDIF
	628
	629	sendrecv_in_background = .FALSE.
	630
	631	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	632
	633	ENDIF
	634
[1171]	635	! i_left = nxl+nbgp; i_right = nxr-nbgp
	636	! j_south = nys+nbgp; j_north = nyn-nbgp
	637	! CALL prognostic_equations_acc
[1128]	638
	639	IF ( background_communication ) THEN
	640	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'continue' )
	641	#if defined( __parallel )
	642	CALL MPI_WAITALL( req_count, req, wait_stat, ierr )
	643	#endif
	644	send_receive = 'al'
	645	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'stop' )
	646	ENDIF
	647
[1]	648	ENDIF
	649
	650	!
[849]	651	!-- Particle transport/physics with the Lagrangian particle model
	652	!-- (only once during intermediate steps, because it uses an Euler-step)
[1128]	653	!-- ### particle model should be moved before prognostic_equations, in order
	654	!-- to regard droplet interactions directly
[63]	655	IF ( particle_advection .AND. &
	656	simulated_time >= particle_advection_start .AND. &
[1]	657	intermediate_timestep_count == 1 ) THEN
[849]	658	CALL lpm
	659	first_call_lpm = .FALSE.
[1]	660	ENDIF
	661
	662	!
	663	!-- Interaction of droplets with temperature and specific humidity.
	664	!-- Droplet condensation and evaporation is calculated within
	665	!-- advec_particles.
	666	IF ( cloud_droplets .AND. &
	667	intermediate_timestep_count == intermediate_timestep_count_max )&
	668	THEN
	669	CALL interaction_droplets_ptq
	670	ENDIF
	671
	672	!
	673	!-- Exchange of ghost points (lateral boundary conditions)
[1128]	674	IF ( .NOT. background_communication ) THEN
[1113]	675
[1128]	676	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
[1113]	677
[1128]	678	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	679	on_device = .TRUE. ! to be removed after complete porting
	680	ELSE ! of ghost point exchange
	681	!$acc update host( e_p, pt_p, u_p, v_p, w_p )
[1053]	682	ENDIF
[1]	683
[1128]	684	CALL exchange_horiz( u_p, nbgp )
	685	CALL exchange_horiz( v_p, nbgp )
	686	CALL exchange_horiz( w_p, nbgp )
	687	CALL exchange_horiz( pt_p, nbgp )
	688	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
	689	IF ( ocean ) THEN
	690	CALL exchange_horiz( sa_p, nbgp )
	691	CALL exchange_horiz( rho, nbgp )
	692	CALL exchange_horiz( prho, nbgp )
	693	ENDIF
[1960]	694	IF ( humidity ) THEN
[1128]	695	CALL exchange_horiz( q_p, nbgp )
[1822]	696	IF ( cloud_physics .AND. microphysics_seifert ) THEN
[1128]	697	CALL exchange_horiz( qr_p, nbgp )
	698	CALL exchange_horiz( nr_p, nbgp )
	699	ENDIF
	700	ENDIF
	701	IF ( cloud_droplets ) THEN
	702	CALL exchange_horiz( ql, nbgp )
	703	CALL exchange_horiz( ql_c, nbgp )
	704	CALL exchange_horiz( ql_v, nbgp )
	705	CALL exchange_horiz( ql_vp, nbgp )
	706	ENDIF
[1831]	707	IF ( wang_kernel .OR. collision_turbulence .OR. &
	708	use_sgs_for_particles ) THEN
[1671]	709	CALL exchange_horiz( diss, nbgp )
	710	ENDIF
[1960]	711	IF ( passive_scalar ) CALL exchange_horiz( s_p, nbgp )
[1128]	712
	713	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	714	on_device = .FALSE. ! to be removed after complete porting
	715	ELSE ! of ghost point exchange
	716	!$acc update device( e_p, pt_p, u_p, v_p, w_p )
	717	ENDIF
	718
	719	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	720
[1113]	721	ENDIF
	722
[1]	723	!
	724	!-- Boundary conditions for the prognostic quantities (except of the
	725	!-- velocities at the outflow in case of a non-cyclic lateral wall)
[1113]	726	CALL boundary_conds
[1]	727
	728	!
[73]	729	!-- Swap the time levels in preparation for the next time step.
	730	CALL swap_timelevel
	731
[1764]	732	IF ( nested_run ) THEN
[1797]	733
[1764]	734	CALL cpu_log( log_point(60), 'nesting', 'start' )
[1762]	735	!
[1933]	736	!-- Domain nesting. The data transfer subroutines pmci_parent_datatrans
	737	!-- and pmci_child_datatrans are called inside the wrapper
[1797]	738	!-- subroutine pmci_datatrans according to the control parameters
	739	!-- nesting_mode and nesting_datatransfer_mode.
	740	!-- TO_DO: why is nesting_mode given as a parameter here?
	741	CALL pmci_datatrans( nesting_mode )
[1762]	742
[1933]	743	IF ( TRIM( nesting_mode ) == 'two-way' .OR. &
	744	nesting_mode == 'vertical' ) THEN
[1762]	745	!
[1933]	746	!-- Exchange_horiz is needed for all parent-domains after the
[1764]	747	!-- anterpolation
	748	CALL exchange_horiz( u, nbgp )
	749	CALL exchange_horiz( v, nbgp )
	750	CALL exchange_horiz( w, nbgp )
[1960]	751	IF ( .NOT. neutral ) CALL exchange_horiz( pt, nbgp )
	752	IF ( humidity ) CALL exchange_horiz( q, nbgp )
	753	IF ( passive_scalar ) CALL exchange_horiz( s, nbgp )
	754	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
[1762]	755	ENDIF
	756	!
[1764]	757	!-- Correct the w top-BC in nest domains to ensure mass conservation.
[1933]	758	!-- This action must never be done for the root domain. Vertical
	759	!-- nesting implies mass conservation.
[1764]	760	IF ( nest_domain ) THEN
	761	CALL pmci_ensure_nest_mass_conservation
	762	ENDIF
	763
	764	CALL cpu_log( log_point(60), 'nesting', 'stop' )
	765
[1762]	766	ENDIF
	767
	768	!
[1]	769	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
	770	!-- when a sloping surface is used
	771	IF ( sloping_surface ) THEN
[707]	772	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - &
	773	pt_slope_offset
	774	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + &
	775	pt_slope_offset
[1]	776	ENDIF
	777
	778	!
[151]	779	!-- Impose a turbulent inflow using the recycling method
	780	IF ( turbulent_inflow ) CALL inflow_turbulence
	781
	782	!
[1]	783	!-- Impose a random perturbation on the horizontal velocity field
[106]	784	IF ( create_disturbances .AND. &
	785	( call_psolver_at_all_substeps .AND. &
[1]	786	intermediate_timestep_count == intermediate_timestep_count_max )&
[106]	787	.OR. ( .NOT. call_psolver_at_all_substeps .AND. &
	788	intermediate_timestep_count == 1 ) ) &
[1]	789	THEN
	790	time_disturb = time_disturb + dt_3d
	791	IF ( time_disturb >= dt_disturb ) THEN
[1111]	792	!$acc update host( u, v )
[1113]	793	IF ( numprocs == 1 ) on_device = .FALSE. ! workaround, remove later
[1736]	794	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
	795	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
[75]	796	CALL disturb_field( nzb_u_inner, tend, u )
	797	CALL disturb_field( nzb_v_inner, tend, v )
[707]	798	ELSEIF ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) THEN
[1]	799	!
	800	!-- Runs with a non-cyclic lateral wall need perturbations
	801	!-- near the inflow throughout the whole simulation
	802	dist_range = 1
[75]	803	CALL disturb_field( nzb_u_inner, tend, u )
	804	CALL disturb_field( nzb_v_inner, tend, v )
[1]	805	dist_range = 0
	806	ENDIF
[1113]	807	IF ( numprocs == 1 ) on_device = .TRUE. ! workaround, remove later
[1111]	808	!$acc update device( u, v )
[1]	809	time_disturb = time_disturb - dt_disturb
	810	ENDIF
	811	ENDIF
	812
	813	!
	814	!-- Reduce the velocity divergence via the equation for perturbation
	815	!-- pressure.
[106]	816	IF ( intermediate_timestep_count == 1 .OR. &
	817	call_psolver_at_all_substeps ) THEN
[1]	818	CALL pres
	819	ENDIF
	820
	821	!
	822	!-- If required, compute liquid water content
[1015]	823	IF ( cloud_physics ) THEN
	824	CALL calc_liquid_water_content
	825	!$acc update device( ql )
	826	ENDIF
[1115]	827	!
	828	!-- If required, compute virtual potential temperature
	829	IF ( humidity ) THEN
	830	CALL compute_vpt
	831	!$acc update device( vpt )
	832	ENDIF
[1585]	833
[1]	834	!
	835	!-- Compute the diffusion quantities
	836	IF ( .NOT. constant_diffusion ) THEN
	837
	838	!
[1276]	839	!-- Determine surface fluxes shf and qsws and surface values
	840	!-- pt_surface and q_surface in dependence on data from external
	841	!-- file LSF_DATA respectively
	842	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
	843	intermediate_timestep_count == intermediate_timestep_count_max )&
	844	THEN
	845	CALL ls_forcing_surf ( simulated_time )
	846	ENDIF
	847
	848	!
[1691]	849	!-- First the vertical fluxes in the surface (constant flux) layer are computed
	850	IF ( constant_flux_layer ) THEN
	851	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
	852	CALL surface_layer_fluxes
	853	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
[1]	854	ENDIF
[1241]	855
[1]	856	!
[1691]	857	!-- If required, solve the energy balance for the surface and run soil
	858	!-- model
	859	IF ( land_surface .AND. simulated_time > skip_time_do_lsm) THEN
	860
	861	CALL cpu_log( log_point(54), 'land_surface', 'start' )
	862	CALL lsm_energy_balance
	863	CALL lsm_soil_model
	864	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
	865	ENDIF
	866	!
[1]	867	!-- Compute the diffusion coefficients
	868	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
[75]	869	IF ( .NOT. humidity ) THEN
[97]	870	IF ( ocean ) THEN
[388]	871	CALL diffusivities( prho, prho_reference )
[97]	872	ELSE
	873	CALL diffusivities( pt, pt_reference )
	874	ENDIF
[1]	875	ELSE
[97]	876	CALL diffusivities( vpt, pt_reference )
[1]	877	ENDIF
	878	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
	879
	880	ENDIF
	881
[1691]	882	!
	883	!-- If required, calculate radiative fluxes and heating rates
	884	IF ( radiation .AND. intermediate_timestep_count &
	885	== intermediate_timestep_count_max .AND. simulated_time > &
	886	skip_time_do_radiation ) THEN
	887
	888	time_radiation = time_radiation + dt_3d
	889
	890	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) &
	891	THEN
	892
	893	CALL cpu_log( log_point(50), 'radiation', 'start' )
	894
	895	IF ( .NOT. force_radiation_call ) THEN
	896	time_radiation = time_radiation - dt_radiation
	897	ENDIF
	898
	899	IF ( radiation_scheme == 'clear-sky' ) THEN
	900	CALL radiation_clearsky
	901	ELSEIF ( radiation_scheme == 'rrtmg' ) THEN
	902	CALL radiation_rrtmg
[1853]	903	ELSE
	904	CALL radiation_constant
[1691]	905	ENDIF
	906
	907	CALL cpu_log( log_point(50), 'radiation', 'stop' )
	908	ENDIF
	909	ENDIF
	910
[1]	911	ENDDO ! Intermediate step loop
	912
	913	!
	914	!-- Increase simulation time and output times
[1111]	915	nr_timesteps_this_run = nr_timesteps_this_run + 1
[291]	916	current_timestep_number = current_timestep_number + 1
	917	simulated_time = simulated_time + dt_3d
	918	simulated_time_chr = time_to_string( simulated_time )
	919	time_since_reference_point = simulated_time - coupling_start_time
	920
[1957]	921
	922
[1]	923	IF ( simulated_time >= skip_time_data_output_av ) THEN
	924	time_do_av = time_do_av + dt_3d
	925	ENDIF
	926	IF ( simulated_time >= skip_time_do2d_xy ) THEN
	927	time_do2d_xy = time_do2d_xy + dt_3d
	928	ENDIF
	929	IF ( simulated_time >= skip_time_do2d_xz ) THEN
	930	time_do2d_xz = time_do2d_xz + dt_3d
	931	ENDIF
	932	IF ( simulated_time >= skip_time_do2d_yz ) THEN
	933	time_do2d_yz = time_do2d_yz + dt_3d
	934	ENDIF
	935	IF ( simulated_time >= skip_time_do3d ) THEN
	936	time_do3d = time_do3d + dt_3d
	937	ENDIF
[410]	938	DO mid = 1, masks
	939	IF ( simulated_time >= skip_time_domask(mid) ) THEN
	940	time_domask(mid)= time_domask(mid) + dt_3d
	941	ENDIF
	942	ENDDO
[1]	943	time_dvrp = time_dvrp + dt_3d
	944	IF ( simulated_time >= skip_time_dosp ) THEN
	945	time_dosp = time_dosp + dt_3d
	946	ENDIF
	947	time_dots = time_dots + dt_3d
[849]	948	IF ( .NOT. first_call_lpm ) THEN
[1]	949	time_dopts = time_dopts + dt_3d
	950	ENDIF
	951	IF ( simulated_time >= skip_time_dopr ) THEN
	952	time_dopr = time_dopr + dt_3d
	953	ENDIF
	954	time_dopr_listing = time_dopr_listing + dt_3d
	955	time_run_control = time_run_control + dt_3d
	956
	957	!
[102]	958	!-- Data exchange between coupled models
[291]	959	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
[102]	960	time_coupling = time_coupling + dt_3d
[343]	961
[108]	962	!
	963	!-- In case of model termination initiated by the local model
	964	!-- (terminate_coupled > 0), the coupler must be skipped because it would
	965	!-- cause an MPI intercomminucation hang.
	966	!-- If necessary, the coupler will be called at the beginning of the
	967	!-- next restart run.
	968	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[102]	969	CALL surface_coupler
	970	time_coupling = time_coupling - dt_coupling
	971	ENDDO
	972	ENDIF
	973
	974	!
[46]	975	!-- Execute user-defined actions
	976	CALL user_actions( 'after_integration' )
	977
	978	!
[1]	979	!-- If Galilei transformation is used, determine the distance that the
	980	!-- model has moved so far
	981	IF ( galilei_transformation ) THEN
	982	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
	983	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
	984	ENDIF
	985
	986	!
	987	!-- Check, if restart is necessary (because cpu-time is expiring or
	988	!-- because it is forced by user) and set stop flag
[108]	989	!-- This call is skipped if the remote model has already initiated a restart.
	990	IF ( .NOT. terminate_run ) CALL check_for_restart
[1]	991
	992	!
	993	!-- Carry out statistical analysis and output at the requested output times.
	994	!-- The MOD function is used for calculating the output time counters (like
	995	!-- time_dopr) in order to regard a possible decrease of the output time
	996	!-- interval in case of restart runs
	997
	998	!
	999	!-- Set a flag indicating that so far no statistics have been created
	1000	!-- for this time step
	1001	flow_statistics_called = .FALSE.
	1002
	1003	!
	1004	!-- If required, call flow_statistics for averaging in time
[1342]	1005	IF ( averaging_interval_pr /= 0.0_wp .AND. &
[1]	1006	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
	1007	simulated_time >= skip_time_dopr ) THEN
	1008	time_dopr_av = time_dopr_av + dt_3d
	1009	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
	1010	do_sum = .TRUE.
	1011	time_dopr_av = MOD( time_dopr_av, &
	1012	MAX( dt_averaging_input_pr, dt_3d ) )
	1013	ENDIF
	1014	ENDIF
	1015	IF ( do_sum ) CALL flow_statistics
	1016
	1017	!
[410]	1018	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
[1342]	1019	IF ( averaging_interval /= 0.0_wp .AND. &
[1]	1020	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
	1021	simulated_time >= skip_time_data_output_av ) &
	1022	THEN
	1023	time_do_sla = time_do_sla + dt_3d
	1024	IF ( time_do_sla >= dt_averaging_input ) THEN
	1025	CALL sum_up_3d_data
	1026	average_count_3d = average_count_3d + 1
	1027	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
	1028	ENDIF
	1029	ENDIF
	1030
	1031	!
	1032	!-- Calculate spectra for time averaging
[1342]	1033	IF ( averaging_interval_sp /= 0.0_wp .AND. &
[1]	1034	( dt_dosp - time_dosp ) <= averaging_interval_sp .AND. &
	1035	simulated_time >= skip_time_dosp ) THEN
	1036	time_dosp_av = time_dosp_av + dt_3d
	1037	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
	1038	CALL calc_spectra
	1039	time_dosp_av = MOD( time_dosp_av, &
	1040	MAX( dt_averaging_input_pr, dt_3d ) )
	1041	ENDIF
	1042	ENDIF
	1043
	1044	!
[1957]	1045	!-- Call flight module and output data
	1046	IF ( virtual_flight ) THEN
	1047	CALL flight_measurement
	1048	CALL data_output_flight
	1049	ENDIF
	1050
	1051	!
[1]	1052	!-- Profile output (ASCII) on file
	1053	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
	1054	CALL print_1d
	1055	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, &
	1056	dt_3d ) )
	1057	ENDIF
	1058
	1059	!
	1060	!-- Graphic output for PROFIL
	1061	IF ( time_dopr >= dt_dopr ) THEN
	1062	IF ( dopr_n /= 0 ) CALL data_output_profiles
	1063	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
[1342]	1064	time_dopr_av = 0.0_wp ! due to averaging (see above)
[1]	1065	ENDIF
	1066
	1067	!
	1068	!-- Graphic output for time series
	1069	IF ( time_dots >= dt_dots ) THEN
[48]	1070	CALL data_output_tseries
[1]	1071	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
	1072	ENDIF
	1073
	1074	!
	1075	!-- Output of spectra (formatted for use with PROFIL), in case of no
	1076	!-- time averaging, spectra has to be calculated before
	1077	IF ( time_dosp >= dt_dosp ) THEN
	1078	IF ( average_count_sp == 0 ) CALL calc_spectra
	1079	CALL data_output_spectra
	1080	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
	1081	ENDIF
	1082
	1083	!
	1084	!-- 2d-data output (cross-sections)
	1085	IF ( time_do2d_xy >= dt_do2d_xy ) THEN
	1086	CALL data_output_2d( 'xy', 0 )
	1087	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
	1088	ENDIF
	1089	IF ( time_do2d_xz >= dt_do2d_xz ) THEN
	1090	CALL data_output_2d( 'xz', 0 )
	1091	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
	1092	ENDIF
	1093	IF ( time_do2d_yz >= dt_do2d_yz ) THEN
	1094	CALL data_output_2d( 'yz', 0 )
	1095	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
	1096	ENDIF
	1097
	1098	!
	1099	!-- 3d-data output (volume data)
	1100	IF ( time_do3d >= dt_do3d ) THEN
	1101	CALL data_output_3d( 0 )
	1102	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
	1103	ENDIF
	1104
	1105	!
[1783]	1106	!-- Masked data output
[410]	1107	DO mid = 1, masks
	1108	IF ( time_domask(mid) >= dt_domask(mid) ) THEN
	1109	CALL data_output_mask( 0 )
	1110	time_domask(mid) = MOD( time_domask(mid), &
	1111	MAX( dt_domask(mid), dt_3d ) )
	1112	ENDIF
	1113	ENDDO
	1114
	1115	!
	1116	!-- Output of time-averaged 2d/3d/masked data
[1]	1117	IF ( time_do_av >= dt_data_output_av ) THEN
	1118	CALL average_3d_data
	1119	CALL data_output_2d( 'xy', 1 )
	1120	CALL data_output_2d( 'xz', 1 )
	1121	CALL data_output_2d( 'yz', 1 )
	1122	CALL data_output_3d( 1 )
[410]	1123	DO mid = 1, masks
	1124	CALL data_output_mask( 1 )
	1125	ENDDO
[1]	1126	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
	1127	ENDIF
	1128
	1129	!
	1130	!-- Output of particle time series
[253]	1131	IF ( particle_advection ) THEN
	1132	IF ( time_dopts >= dt_dopts .OR. &
	1133	( simulated_time >= particle_advection_start .AND. &
[849]	1134	first_call_lpm ) ) THEN
[253]	1135	CALL data_output_ptseries
	1136	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
	1137	ENDIF
[1]	1138	ENDIF
	1139
	1140	!
	1141	!-- Output of dvrp-graphics (isosurface, particles, slicer)
	1142	#if defined( __dvrp_graphics )
	1143	CALL DVRP_LOG_EVENT( -2, current_timestep_number-1 )
	1144	#endif
	1145	IF ( time_dvrp >= dt_dvrp ) THEN
	1146	CALL data_output_dvrp
	1147	time_dvrp = MOD( time_dvrp, MAX( dt_dvrp, dt_3d ) )
	1148	ENDIF
	1149	#if defined( __dvrp_graphics )
	1150	CALL DVRP_LOG_EVENT( 2, current_timestep_number )
	1151	#endif
	1152
	1153	!
	1154	!-- If required, set the heat flux for the next time step at a random value
	1155	IF ( constant_heatflux .AND. random_heatflux ) CALL disturb_heatflux
	1156
	1157	!
	1158	!-- Execute user-defined actions
	1159	CALL user_actions( 'after_timestep' )
	1160
[1402]	1161	!
[1918]	1162	!-- Determine size of next time step. Save timestep dt_3d because it is
	1163	!-- newly calculated in routine timestep, but required further below for
	1164	!-- steering the run control output interval
	1165	dt_3d_old = dt_3d
	1166	CALL timestep
	1167
	1168	!
[1925]	1169	!-- Synchronize the timestep in case of nested run.
	1170	IF ( nested_run ) THEN
	1171	!
	1172	!-- Synchronize by unifying the time step.
	1173	!-- Global minimum of all time-steps is used for all.
	1174	CALL pmci_synchronize
	1175	ENDIF
	1176
	1177	!
[1918]	1178	!-- Computation and output of run control parameters.
	1179	!-- This is also done whenever perturbations have been imposed
	1180	IF ( time_run_control >= dt_run_control .OR. &
	1181	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
	1182	THEN
	1183	! IF ( current_timestep_number == 1 ) THEN
	1184	! IF ( nxl < 7 .AND. nxr > 7 .AND. nys < 7 .AND. nyn > 7 ) THEN
	1185	! u(10,7,7) = 0.55
	1186	! ENDIF
	1187	! PRINT*, 'calculating minmax'
	1188	! CALL global_min_max( nzb, nzt+1, nysg, nyng, nxlg, nxrg, u, &
	1189	! 'abs', 0.0_wp, u_max, u_max_ijk )
	1190	! CALL global_min_max( nzb, nzt+1, nysg, nyng, nxlg, nxrg, v, &
	1191	! 'abs', 0.0_wp, v_max, v_max_ijk )
	1192	! CALL global_min_max( nzb, nzt+1, nysg, nyng, nxlg, nxrg, w, &
	1193	! 'abs', 0.0_wp, w_max, w_max_ijk )
	1194	! PRINT*, 'calculated u_max = ', u_max, ' myid = ', myid
	1195	! ENDIF
	1196	CALL run_control
	1197	IF ( time_run_control >= dt_run_control ) THEN
	1198	time_run_control = MOD( time_run_control, &
	1199	MAX( dt_run_control, dt_3d_old ) )
	1200	ENDIF
	1201	ENDIF
	1202
	1203	!
[1402]	1204	!-- Output elapsed simulated time in form of a progress bar on stdout
	1205	IF ( myid == 0 ) CALL output_progress_bar
	1206
[1]	1207	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
	1208
[667]	1209
[1]	1210	ENDDO ! time loop
	1211
[1402]	1212	IF ( myid == 0 ) CALL finish_progress_bar
	1213
[1]	1214	#if defined( __dvrp_graphics )
	1215	CALL DVRP_LOG_EVENT( -2, current_timestep_number )
	1216	#endif
	1217
[1402]	1218	CALL location_message( 'finished time-stepping', .TRUE. )
[1384]	1219
[1]	1220	END SUBROUTINE time_integration

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