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source: palm/trunk/SOURCE/time_integration.f90 @ 1879

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

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