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source: palm/trunk/SOURCE/time_integration.f90 @ 1788

Last change on this file since 1788 was 1787, checked in by raasch, 9 years ago
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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	!
[1691]	16	! Copyright 1997-2015 Leibniz Universitaet Hannover
[1036]	17	!--------------------------------------------------------------------------------!
	18	!
[484]	19	! Current revisions:
[1092]	20	! ------------------
[1737]	21	!
[1787]	22	!
[1366]	23	! Former revisions:
	24	! -----------------
	25	! $Id: time_integration.f90 1787 2016-03-08 06:57:00Z maronga $
	26	!
[1787]	27	! 1786 2016-03-08 05:49:27Z raasch
	28	! +module spectrum
	29	!
[1784]	30	! 1783 2016-03-06 18:36:17Z raasch
	31	! switch back of netcdf data format for mask output moved to the mask output
	32	! routine
	33	!
[1782]	34	! 1781 2016-03-03 15:12:23Z raasch
	35	! some pmc calls removed at the beginning (before timeloop),
	36	! pmc initialization moved to the main program
	37	!
[1765]	38	! 1764 2016-02-28 12:45:19Z raasch
	39	! PMC_ACTIVE flags removed,
	40	! bugfix: nest synchronization after first call of timestep
	41	!
[1763]	42	! 1762 2016-02-25 12:31:13Z hellstea
	43	! Introduction of nested domain feature
	44	!
[1737]	45	! 1736 2015-12-04 08:56:33Z raasch
	46	! no perturbations added to total domain if energy limit has been set zero
	47	!
[1692]	48	! 1691 2015-10-26 16:17:44Z maronga
	49	! Added option for spin-ups without land surface and radiation models. Moved calls
	50	! for radiation and lan surface schemes.
	51	!
[1683]	52	! 1682 2015-10-07 23:56:08Z knoop
	53	! Code annotations made doxygen readable
	54	!
[1672]	55	! 1671 2015-09-25 03:29:37Z raasch
	56	! bugfix: ghostpoint exchange for array diss in case that sgs velocities are used
	57	! for particles
	58	!
[1586]	59	! 1585 2015-04-30 07:05:52Z maronga
	60	! Moved call of radiation scheme. Added support for RRTM
	61	!
[1552]	62	! 1551 2015-03-03 14:18:16Z maronga
	63	! Added interface for different radiation schemes.
	64	!
[1497]	65	! 1496 2014-12-02 17:25:50Z maronga
	66	! Added calls for the land surface model and radiation scheme
	67	!
[1403]	68	! 1402 2014-05-09 14:25:13Z raasch
	69	! location messages modified
	70	!
[1385]	71	! 1384 2014-05-02 14:31:06Z raasch
	72	! location messages added
	73	!
[1381]	74	! 1380 2014-04-28 12:40:45Z heinze
	75	! CALL of nudge_ref added
	76	! bc_pt_t_val and bc_q_t_val are updated in case nudging is used
	77	!
[1366]	78	! 1365 2014-04-22 15:03:56Z boeske
[1365]	79	! Reset sums_ls_l to zero at each timestep
	80	! +sums_ls_l
	81	! Calculation of reference state (previously in subroutine calc_mean_profile)
	82
[1343]	83	! 1342 2014-03-26 17:04:47Z kanani
	84	! REAL constants defined as wp-kind
	85	!
[1321]	86	! 1320 2014-03-20 08:40:49Z raasch
[1320]	87	! ONLY-attribute added to USE-statements,
	88	! kind-parameters added to all INTEGER and REAL declaration statements,
	89	! kinds are defined in new module kinds,
	90	! old module precision_kind is removed,
	91	! revision history before 2012 removed,
	92	! comment fields (!:) to be used for variable explanations added to
	93	! all variable declaration statements
[1319]	94	! 1318 2014-03-17 13:35:16Z raasch
	95	! module interfaces removed
	96	!
[1309]	97	! 1308 2014-03-13 14:58:42Z fricke
	98	! +netcdf_data_format_save
	99	! For masked data, parallel netcdf output is not tested so far, hence
	100	! netcdf_data_format is switched back to non-paralell output.
	101	!
[1277]	102	! 1276 2014-01-15 13:40:41Z heinze
	103	! Use LSF_DATA also in case of Dirichlet bottom boundary condition for scalars
	104	!
[1258]	105	! 1257 2013-11-08 15:18:40Z raasch
	106	! acc-update-host directive for timestep removed
	107	!
[1242]	108	! 1241 2013-10-30 11:36:58Z heinze
	109	! Generalize calc_mean_profile for wider use
	110	! Determine shf and qsws in dependence on data from LSF_DATA
	111	! Determine ug and vg in dependence on data from LSF_DATA
[1222]	112	! 1221 2013-09-10 08:59:13Z raasch
	113	! host update of arrays before timestep is called
	114	!
[1182]	115	! 1179 2013-06-14 05:57:58Z raasch
	116	! mean profiles for reference state are only calculated if required,
	117	! small bugfix for background communication
	118	!
[1172]	119	! 1171 2013-05-30 11:27:45Z raasch
	120	! split of prognostic_equations deactivated (comment lines), for the time being
	121	!
[1132]	122	! 1128 2013-04-12 06:19:32Z raasch
[1128]	123	! asynchronous transfer of ghost point data realized for acc-optimized version:
	124	! prognostic_equations are first called two times for those points required for
	125	! the left-right and north-south exchange, respectively, and then for the
	126	! remaining points,
	127	! those parts requiring global communication moved from prognostic_equations to
	128	! here
[392]	129	!
[1116]	130	! 1115 2013-03-26 18:16:16Z hoffmann
	131	! calculation of qr and nr is restricted to precipitation
	132	!
[1114]	133	! 1113 2013-03-10 02:48:14Z raasch
	134	! GPU-porting of boundary conditions,
	135	! openACC directives updated
	136	! formal parameter removed from routine boundary_conds
	137	!
[1112]	138	! 1111 2013-03-08 23:54:10Z raasch
	139	! +internal timestep counter for cpu statistics added,
	140	! openACC directives updated
	141	!
[1093]	142	! 1092 2013-02-02 11:24:22Z raasch
	143	! unused variables removed
	144	!
[1066]	145	! 1065 2012-11-22 17:42:36Z hoffmann
	146	! exchange of diss (dissipation rate) in case of turbulence = .TRUE. added
	147	!
[1054]	148	! 1053 2012-11-13 17:11:03Z hoffmann
	149	! exchange of ghost points for nr, qr added
	150	!
[1037]	151	! 1036 2012-10-22 13:43:42Z raasch
	152	! code put under GPL (PALM 3.9)
	153	!
[1020]	154	! 1019 2012-09-28 06:46:45Z raasch
	155	! non-optimized version of prognostic_equations removed
	156	!
[1017]	157	! 1015 2012-09-27 09:23:24Z raasch
	158	! +call of prognostic_equations_acc
	159	!
[1002]	160	! 1001 2012-09-13 14:08:46Z raasch
	161	! all actions concerning leapfrog- and upstream-spline-scheme removed
	162	!
[850]	163	! 849 2012-03-15 10:35:09Z raasch
	164	! advec_particles renamed lpm, first_call_advec_particles renamed first_call_lpm
	165	!
[826]	166	! 825 2012-02-19 03:03:44Z raasch
	167	! wang_collision_kernel renamed wang_kernel
	168	!
[1]	169	! Revision 1.1 1997/08/11 06:19:04 raasch
	170	! Initial revision
	171	!
	172	!
	173	! Description:
	174	! ------------
[1682]	175	!> Integration in time of the model equations, statistical analysis and graphic
	176	!> output
[1]	177	!------------------------------------------------------------------------------!
[1682]	178	SUBROUTINE time_integration
	179
[1]	180
[1320]	181	USE advec_ws, &
	182	ONLY: ws_statistics
	183
	184	USE arrays_3d, &
[1762]	185	ONLY: diss, dzu, e, e_p, nr_p, prho, pt, pt_p, pt_init, q_init, q, &
	186	ql, ql_c, ql_v, ql_vp, qr_p, q_p, ref_state, rho, sa_p, tend, &
	187	u, u_p, v, vpt, v_p, w, w_p
[1320]	188
[1365]	189	USE calc_mean_profile_mod, &
[1320]	190	ONLY: calc_mean_profile
	191
	192	USE control_parameters, &
	193	ONLY: advected_distance_x, advected_distance_y, average_count_3d, &
	194	average_count_sp, averaging_interval, averaging_interval_pr, &
[1380]	195	averaging_interval_sp, bc_lr_cyc, bc_ns_cyc, bc_pt_t_val, &
	196	bc_q_t_val, call_psolver_at_all_substeps, cloud_droplets, &
[1691]	197	cloud_physics, constant_flux_layer, constant_heatflux, &
	198	create_disturbances, dopr_n, constant_diffusion, coupling_mode, &
	199	coupling_start_time, current_timestep_number, &
	200	disturbance_created, disturbance_energy_limit, dist_range, &
	201	do_sum, dt_3d, dt_averaging_input, dt_averaging_input_pr, &
	202	dt_coupling, dt_data_output_av, dt_disturb, dt_do2d_xy, &
	203	dt_do2d_xz, dt_do2d_yz, dt_do3d, dt_domask,dt_dopts, dt_dopr, &
[1320]	204	dt_dopr_listing, dt_dosp, dt_dots, dt_dvrp, dt_run_control, &
	205	end_time, first_call_lpm, galilei_transformation, humidity, &
	206	icloud_scheme, intermediate_timestep_count, &
	207	intermediate_timestep_count_max, large_scale_forcing, &
[1762]	208	loop_optimization, lsf_surf, lsf_vert, masks, mid, nest_domain, &
[1783]	209	neutral, nr_timesteps_this_run, nudging, &
[1691]	210	ocean, on_device, passive_scalar, precipitation, &
[1320]	211	prho_reference, pt_reference, pt_slope_offset, random_heatflux, &
	212	run_coupled, simulated_time, simulated_time_chr, &
	213	skip_time_do2d_xy, skip_time_do2d_xz, skip_time_do2d_yz, &
	214	skip_time_do3d, skip_time_domask, skip_time_dopr, &
	215	skip_time_dosp, skip_time_data_output_av, sloping_surface, &
	216	stop_dt, terminate_coupled, terminate_run, timestep_scheme, &
	217	time_coupling, time_do2d_xy, time_do2d_xz, time_do2d_yz, &
	218	time_do3d, time_domask, time_dopr, time_dopr_av, &
	219	time_dopr_listing, time_dopts, time_dosp, time_dosp_av, &
	220	time_dots, time_do_av, time_do_sla, time_disturb, time_dvrp, &
[1496]	221	time_run_control, time_since_reference_point, &
	222	turbulence, &
[1320]	223	turbulent_inflow, use_initial_profile_as_reference, &
	224	use_single_reference_value, u_gtrans, v_gtrans, ws_scheme_mom, &
	225	ws_scheme_sca
	226
	227	USE cpulog, &
	228	ONLY: cpu_log, log_point, log_point_s
	229
	230	USE indices, &
	231	ONLY: i_left, i_right, j_north, j_south, nbgp, nx, nxl, nxlg, nxr, &
[1380]	232	nxrg, nyn, nys, nzb, nzt, nzb_u_inner, nzb_v_inner
[1320]	233
	234	USE interaction_droplets_ptq_mod, &
	235	ONLY: interaction_droplets_ptq
	236
	237	USE kinds
	238
[1496]	239	USE land_surface_model_mod, &
[1691]	240	ONLY: land_surface, lsm_energy_balance, lsm_soil_model, &
	241	skip_time_do_lsm
[1496]	242
[1320]	243	USE ls_forcing_mod, &
	244	ONLY: ls_forcing_surf, ls_forcing_vert
	245
[1365]	246	USE nudge_mod, &
[1380]	247	ONLY: calc_tnudge, nudge_ref
[1365]	248
[1320]	249	USE particle_attributes, &
[1671]	250	ONLY: particle_advection, particle_advection_start, &
	251	use_sgs_for_particles, wang_kernel
[1320]	252
[1]	253	USE pegrid
	254
[1762]	255	USE pmc_interface, &
[1764]	256	ONLY: client_to_server, nested_run, nesting_mode, &
[1762]	257	pmci_ensure_nest_mass_conservation, pmci_client_datatrans, &
[1781]	258	pmci_client_synchronize, pmci_server_datatrans, &
[1762]	259	pmci_server_synchronize, pmci_update_new, server_to_client
	260
[1320]	261	USE production_e_mod, &
	262	ONLY: production_e_init
	263
[1402]	264	USE progress_bar, &
	265	ONLY: finish_progress_bar, output_progress_bar
	266
[1320]	267	USE prognostic_equations_mod, &
	268	ONLY: prognostic_equations_acc, prognostic_equations_cache, &
	269	prognostic_equations_vector
	270
[1496]	271	USE radiation_model_mod, &
[1691]	272	ONLY: dt_radiation, force_radiation_call, radiation, &
	273	radiation_clearsky, radiation_rrtmg, radiation_scheme, &
	274	skip_time_do_radiation, time_radiation
[1496]	275
[1786]	276	USE spectrum, &
	277	ONLY: calc_spectra
	278
[1320]	279	USE statistics, &
[1365]	280	ONLY: flow_statistics_called, hom, pr_palm, sums_ls_l
[1320]	281
[1691]	282	USE surface_layer_fluxes_mod, &
	283	ONLY: surface_layer_fluxes
	284
[1320]	285	USE user_actions_mod, &
	286	ONLY: user_actions
	287
[1]	288	IMPLICIT NONE
	289
[1682]	290	CHARACTER (LEN=9) :: time_to_string !<
[1]	291
	292	!
	293	!-- At the beginning of a simulation determine the time step as well as
	294	!-- determine and print out the run control parameters
[1342]	295	IF ( simulated_time == 0.0_wp ) CALL timestep
[667]	296
[1764]	297	!
	298	!-- Synchronize the timestep in case of nested run.
	299	!-- The server side must be called first
	300	IF ( nested_run ) THEN
	301	CALL pmci_server_synchronize
	302	CALL pmci_client_synchronize
	303	ENDIF
	304
[1]	305	CALL run_control
	306
[108]	307	!
	308	!-- Data exchange between coupled models in case that a call has been omitted
	309	!-- at the end of the previous run of a job chain.
[291]	310	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
[108]	311	!
	312	!-- In case of model termination initiated by the local model the coupler
	313	!-- must not be called because this would again cause an MPI hang.
	314	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
	315	CALL surface_coupler
	316	time_coupling = time_coupling - dt_coupling
	317	ENDDO
[1342]	318	IF (time_coupling == 0.0_wp .AND. time_since_reference_point < dt_coupling)&
[348]	319	THEN
	320	time_coupling = time_since_reference_point
	321	ENDIF
[108]	322	ENDIF
	323
[1]	324	#if defined( __dvrp_graphics )
	325	!
	326	!-- Time measurement with dvrp software
	327	CALL DVRP_LOG_EVENT( 2, current_timestep_number )
	328	#endif
	329
[1402]	330	CALL location_message( 'start with time-stepping', .TRUE. )
[1]	331	!
	332	!-- Start of the time loop
	333	DO WHILE ( simulated_time < end_time .AND. .NOT. stop_dt .AND. &
	334	.NOT. terminate_run )
	335
	336	CALL cpu_log( log_point_s(10), 'timesteps', 'start' )
[1221]	337
[1]	338	!
	339	!-- Determine size of next time step
[1342]	340	IF ( simulated_time /= 0.0_wp ) THEN
[1221]	341	CALL timestep
[1762]	342
[1764]	343	IF ( nested_run ) THEN
[1762]	344	!
[1764]	345	!-- TO_DO: try to give more detailed and meaningful comments here
	346	!-- Server side must be called first
	347	CALL pmci_server_synchronize
	348	CALL pmci_client_synchronize
	349	ENDIF
[1221]	350	ENDIF
	351
[1762]	352
[1]	353	!
[1241]	354	!-- Determine ug, vg and w_subs in dependence on data from external file
	355	!-- LSF_DATA
[1365]	356	IF ( large_scale_forcing .AND. lsf_vert ) THEN
[1241]	357	CALL ls_forcing_vert ( simulated_time )
[1365]	358	sums_ls_l = 0.0_wp
[1241]	359	ENDIF
	360
	361	!
[1380]	362	!-- Set pt_init and q_init to the current profiles taken from
	363	!-- NUDGING_DATA
	364	IF ( nudging ) THEN
	365	CALL nudge_ref ( simulated_time )
	366	!
	367	!-- Store temperature gradient at the top boundary for possible Neumann
	368	!-- boundary condition
	369	bc_pt_t_val = ( pt_init(nzt+1) - pt_init(nzt) ) / dzu(nzt+1)
	370	bc_q_t_val = ( q_init(nzt+1) - q_init(nzt) ) / dzu(nzt+1)
	371	ENDIF
	372
	373	!
[1]	374	!-- Execute the user-defined actions
	375	CALL user_actions( 'before_timestep' )
	376
	377	!
	378	!-- Start of intermediate step loop
	379	intermediate_timestep_count = 0
	380	DO WHILE ( intermediate_timestep_count < &
	381	intermediate_timestep_count_max )
	382
	383	intermediate_timestep_count = intermediate_timestep_count + 1
	384
	385	!
	386	!-- Set the steering factors for the prognostic equations which depend
	387	!-- on the timestep scheme
	388	CALL timestep_scheme_steering
	389
	390	!
[1128]	391	!-- Calculate those variables needed in the tendency terms which need
	392	!-- global communication
[1179]	393	IF ( .NOT. use_single_reference_value .AND. &
	394	.NOT. use_initial_profile_as_reference ) THEN
	395	!
	396	!-- Horizontally averaged profiles to be used as reference state in
	397	!-- buoyancy terms (WARNING: only the respective last call of
	398	!-- calc_mean_profile defines the reference state!)
[1365]	399	IF ( .NOT. neutral ) THEN
	400	CALL calc_mean_profile( pt, 4 )
	401	ref_state(:) = hom(:,1,4,0) ! this is used in the buoyancy term
	402	ENDIF
	403	IF ( ocean ) THEN
	404	CALL calc_mean_profile( rho, 64 )
	405	ref_state(:) = hom(:,1,64,0)
	406	ENDIF
	407	IF ( humidity ) THEN
	408	CALL calc_mean_profile( vpt, 44 )
	409	ref_state(:) = hom(:,1,44,0)
	410	ENDIF
	411
[1179]	412	ENDIF
	413
[1128]	414	IF ( .NOT. constant_diffusion ) CALL production_e_init
	415	IF ( ( ws_scheme_mom .OR. ws_scheme_sca ) .AND. &
	416	intermediate_timestep_count == 1 ) CALL ws_statistics
[1365]	417	!
	418	!-- In case of nudging calculate current nudging time scale and horizontal
[1380]	419	!-- means of u, v, pt and q
[1365]	420	IF ( nudging ) THEN
	421	CALL calc_tnudge( simulated_time )
	422	CALL calc_mean_profile( u, 1 )
	423	CALL calc_mean_profile( v, 2 )
	424	CALL calc_mean_profile( pt, 4 )
	425	CALL calc_mean_profile( q, 41 )
	426	ENDIF
[1128]	427
	428	!
[1]	429	!-- Solve the prognostic equations. A fast cache optimized version with
	430	!-- only one single loop is used in case of Piascek-Williams advection
	431	!-- scheme. NEC vector machines use a different version, because
	432	!-- in the other versions a good vectorization is prohibited due to
	433	!-- inlining problems.
[1019]	434	IF ( loop_optimization == 'cache' ) THEN
	435	CALL prognostic_equations_cache
	436	ELSEIF ( loop_optimization == 'vector' ) THEN
[63]	437	CALL prognostic_equations_vector
[1015]	438	ELSEIF ( loop_optimization == 'acc' ) THEN
[1171]	439	i_left = nxl; i_right = nxr
	440	j_south = nys; j_north = nyn
	441	CALL prognostic_equations_acc
	442
	443	! i_left = nxl; i_right = nxl+nbgp-1
[1128]	444	! j_south = nys; j_north = nyn
	445	! CALL prognostic_equations_acc
[1171]	446	! i_left = nxr-nbgp+1; i_right = nxr
	447	! j_south = nys; j_north = nyn
	448	! CALL prognostic_equations_acc
[1128]	449
	450	!
	451	!-- Exchange of ghost points (lateral boundary conditions)
	452	IF ( background_communication ) THEN
	453
	454	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
	455
	456	send_receive = 'lr'
	457	sendrecv_in_background = .TRUE.
	458	req = 0
	459	req_count = 0
	460
	461	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	462	on_device = .TRUE. ! to be removed after complete porting
	463	ELSE ! of ghost point exchange
	464	!$acc update host( e_p, pt_p, u_p, v_p, w_p )
	465	ENDIF
	466
	467	CALL exchange_horiz( u_p, nbgp )
	468	CALL exchange_horiz( v_p, nbgp )
	469	CALL exchange_horiz( w_p, nbgp )
	470	CALL exchange_horiz( pt_p, nbgp )
	471	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
	472	IF ( ocean ) THEN
	473	CALL exchange_horiz( sa_p, nbgp )
	474	CALL exchange_horiz( rho, nbgp )
	475	CALL exchange_horiz( prho, nbgp )
	476	ENDIF
	477	IF (humidity .OR. passive_scalar) THEN
	478	CALL exchange_horiz( q_p, nbgp )
	479	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	480	CALL exchange_horiz( qr_p, nbgp )
	481	CALL exchange_horiz( nr_p, nbgp )
	482	ENDIF
	483	ENDIF
	484	IF ( cloud_droplets ) THEN
	485	CALL exchange_horiz( ql, nbgp )
	486	CALL exchange_horiz( ql_c, nbgp )
	487	CALL exchange_horiz( ql_v, nbgp )
	488	CALL exchange_horiz( ql_vp, nbgp )
	489	ENDIF
[1671]	490	IF ( wang_kernel .OR. turbulence .OR. use_sgs_for_particles ) &
	491	THEN
	492	CALL exchange_horiz( diss, nbgp )
	493	ENDIF
[1128]	494
	495	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	496	on_device = .FALSE. ! to be removed after complete porting
	497	ELSE ! of ghost point exchange
	498	!$acc update device( e_p, pt_p, u_p, v_p, w_p )
	499	ENDIF
	500
	501	sendrecv_in_background = .FALSE.
	502
	503	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'pause' )
	504
	505	ENDIF
	506
[1171]	507	! i_left = nxl+nbgp; i_right = nxr-nbgp
	508	! j_south = nys; j_north = nys+nbgp-1
	509	! CALL prognostic_equations_acc
	510	! i_left = nxl+nbgp; i_right = nxr-nbgp
	511	! j_south = nyn-nbgp+1; j_north = nyn
	512	! CALL prognostic_equations_acc
[1128]	513
	514	IF ( background_communication ) THEN
	515	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'start' )
	516	#if defined( __parallel )
	517	CALL MPI_WAITALL( req_count, req, wait_stat, ierr )
	518	#endif
	519	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'pause' )
	520
	521	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'continue' )
	522
	523	send_receive = 'ns'
	524	sendrecv_in_background = .TRUE.
	525	req = 0
	526	req_count = 0
	527
	528	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	529	on_device = .TRUE. ! to be removed after complete porting
	530	ELSE ! of ghost point exchange
	531	!$acc update host( e_p, pt_p, u_p, v_p, w_p )
	532	ENDIF
	533
	534	CALL exchange_horiz( u_p, nbgp )
	535	CALL exchange_horiz( v_p, nbgp )
	536	CALL exchange_horiz( w_p, nbgp )
	537	CALL exchange_horiz( pt_p, nbgp )
	538	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
	539	IF ( ocean ) THEN
	540	CALL exchange_horiz( sa_p, nbgp )
	541	CALL exchange_horiz( rho, nbgp )
	542	CALL exchange_horiz( prho, nbgp )
	543	ENDIF
	544	IF (humidity .OR. passive_scalar) THEN
	545	CALL exchange_horiz( q_p, nbgp )
	546	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	547	CALL exchange_horiz( qr_p, nbgp )
	548	CALL exchange_horiz( nr_p, nbgp )
	549	ENDIF
	550	ENDIF
	551	IF ( cloud_droplets ) THEN
	552	CALL exchange_horiz( ql, nbgp )
	553	CALL exchange_horiz( ql_c, nbgp )
	554	CALL exchange_horiz( ql_v, nbgp )
	555	CALL exchange_horiz( ql_vp, nbgp )
	556	ENDIF
[1671]	557	IF ( wang_kernel .OR. turbulence .OR. use_sgs_for_particles ) &
	558	THEN
	559	CALL exchange_horiz( diss, nbgp )
	560	ENDIF
[1128]	561
	562	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	563	on_device = .FALSE. ! to be removed after complete porting
	564	ELSE ! of ghost point exchange
	565	!$acc update device( e_p, pt_p, u_p, v_p, w_p )
	566	ENDIF
	567
	568	sendrecv_in_background = .FALSE.
	569
	570	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	571
	572	ENDIF
	573
[1171]	574	! i_left = nxl+nbgp; i_right = nxr-nbgp
	575	! j_south = nys+nbgp; j_north = nyn-nbgp
	576	! CALL prognostic_equations_acc
[1128]	577
	578	IF ( background_communication ) THEN
	579	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'continue' )
	580	#if defined( __parallel )
	581	CALL MPI_WAITALL( req_count, req, wait_stat, ierr )
	582	#endif
	583	send_receive = 'al'
	584	CALL cpu_log( log_point(41), 'exchange-horiz-wait', 'stop' )
	585	ENDIF
	586
[1]	587	ENDIF
	588
	589	!
[849]	590	!-- Particle transport/physics with the Lagrangian particle model
	591	!-- (only once during intermediate steps, because it uses an Euler-step)
[1128]	592	!-- ### particle model should be moved before prognostic_equations, in order
	593	!-- to regard droplet interactions directly
[63]	594	IF ( particle_advection .AND. &
	595	simulated_time >= particle_advection_start .AND. &
[1]	596	intermediate_timestep_count == 1 ) THEN
[849]	597	CALL lpm
	598	first_call_lpm = .FALSE.
[1]	599	ENDIF
	600
	601	!
	602	!-- Interaction of droplets with temperature and specific humidity.
	603	!-- Droplet condensation and evaporation is calculated within
	604	!-- advec_particles.
	605	IF ( cloud_droplets .AND. &
	606	intermediate_timestep_count == intermediate_timestep_count_max )&
	607	THEN
	608	CALL interaction_droplets_ptq
	609	ENDIF
	610
	611	!
	612	!-- Exchange of ghost points (lateral boundary conditions)
[1128]	613	IF ( .NOT. background_communication ) THEN
[1113]	614
[1128]	615	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'start' )
[1113]	616
[1128]	617	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	618	on_device = .TRUE. ! to be removed after complete porting
	619	ELSE ! of ghost point exchange
	620	!$acc update host( e_p, pt_p, u_p, v_p, w_p )
[1053]	621	ENDIF
[1]	622
[1128]	623	CALL exchange_horiz( u_p, nbgp )
	624	CALL exchange_horiz( v_p, nbgp )
	625	CALL exchange_horiz( w_p, nbgp )
	626	CALL exchange_horiz( pt_p, nbgp )
	627	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e_p, nbgp )
	628	IF ( ocean ) THEN
	629	CALL exchange_horiz( sa_p, nbgp )
	630	CALL exchange_horiz( rho, nbgp )
	631	CALL exchange_horiz( prho, nbgp )
	632	ENDIF
	633	IF (humidity .OR. passive_scalar) THEN
	634	CALL exchange_horiz( q_p, nbgp )
[1179]	635	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	636	precipitation ) THEN
[1128]	637	CALL exchange_horiz( qr_p, nbgp )
	638	CALL exchange_horiz( nr_p, nbgp )
	639	ENDIF
	640	ENDIF
	641	IF ( cloud_droplets ) THEN
	642	CALL exchange_horiz( ql, nbgp )
	643	CALL exchange_horiz( ql_c, nbgp )
	644	CALL exchange_horiz( ql_v, nbgp )
	645	CALL exchange_horiz( ql_vp, nbgp )
	646	ENDIF
[1671]	647	IF ( wang_kernel .OR. turbulence .OR. use_sgs_for_particles ) &
	648	THEN
	649	CALL exchange_horiz( diss, nbgp )
	650	ENDIF
[1128]	651
	652	IF ( numprocs == 1 ) THEN ! workaround for single-core GPU runs
	653	on_device = .FALSE. ! to be removed after complete porting
	654	ELSE ! of ghost point exchange
	655	!$acc update device( e_p, pt_p, u_p, v_p, w_p )
	656	ENDIF
	657
	658	CALL cpu_log( log_point(26), 'exchange-horiz-progn', 'stop' )
	659
[1113]	660	ENDIF
	661
[1]	662	!
	663	!-- Boundary conditions for the prognostic quantities (except of the
	664	!-- velocities at the outflow in case of a non-cyclic lateral wall)
[1113]	665	CALL boundary_conds
[1]	666
	667	!
[73]	668	!-- Swap the time levels in preparation for the next time step.
	669	CALL swap_timelevel
	670
[1764]	671	IF ( nested_run ) THEN
[73]	672	!
[1764]	673	!-- TO_DO: try to give more meaningful comments here
	674	!-- Domain nesting
	675	!-- Note that the nesting operations are omitted intentionally on the
	676	!-- first two RK-substeps.
	677	CALL cpu_log( log_point(60), 'nesting', 'start' )
[1762]	678	!
[1764]	679	!-- From server to client commmunication ( direction=SERVER_TO_CLIENT )
	680	CALL pmci_server_datatrans( server_to_client )
	681	CALL pmci_client_datatrans( server_to_client )
[1762]	682
[1764]	683	IF ( nesting_mode == 'two-way' ) THEN
[1762]	684	!
[1764]	685	!-- From client to server commmunication ( direction=CLIENT_TO_SERVER )
	686	CALL pmci_server_datatrans( client_to_server )
	687	CALL pmci_client_datatrans( client_to_server )
[1762]	688	!
[1764]	689	!-- Exchange_horiz is needed for all server-domains after the
	690	!-- anterpolation
	691	CALL exchange_horiz( u, nbgp )
	692	CALL exchange_horiz( v, nbgp )
	693	CALL exchange_horiz( w, nbgp )
	694	CALL exchange_horiz( pt, nbgp )
	695	IF ( humidity .OR. passive_scalar ) THEN
	696	CALL exchange_horiz( q, nbgp )
	697	ENDIF
	698	IF ( .NOT. constant_diffusion ) CALL exchange_horiz( e, nbgp )
[1762]	699	ENDIF
	700	!
[1764]	701	!-- Correct the w top-BC in nest domains to ensure mass conservation.
	702	!-- This action must never be done for the root domain.
	703	IF ( nest_domain ) THEN
	704	CALL pmci_ensure_nest_mass_conservation
[1762]	705	!
[1764]	706	!-- pmc_update_new is not necessary if nesting is made at each
	707	!-- substep
	708	CALL pmci_update_new
	709	ENDIF
	710
	711	CALL cpu_log( log_point(60), 'nesting', 'stop' )
	712
[1762]	713	ENDIF
	714
	715	!
[1]	716	!-- Temperature offset must be imposed at cyclic boundaries in x-direction
	717	!-- when a sloping surface is used
	718	IF ( sloping_surface ) THEN
[707]	719	IF ( nxl == 0 ) pt(:,:,nxlg:nxl-1) = pt(:,:,nxlg:nxl-1) - &
	720	pt_slope_offset
	721	IF ( nxr == nx ) pt(:,:,nxr+1:nxrg) = pt(:,:,nxr+1:nxrg) + &
	722	pt_slope_offset
[1]	723	ENDIF
	724
	725	!
[151]	726	!-- Impose a turbulent inflow using the recycling method
	727	IF ( turbulent_inflow ) CALL inflow_turbulence
	728
	729	!
[1]	730	!-- Impose a random perturbation on the horizontal velocity field
[106]	731	IF ( create_disturbances .AND. &
	732	( call_psolver_at_all_substeps .AND. &
[1]	733	intermediate_timestep_count == intermediate_timestep_count_max )&
[106]	734	.OR. ( .NOT. call_psolver_at_all_substeps .AND. &
	735	intermediate_timestep_count == 1 ) ) &
[1]	736	THEN
	737	time_disturb = time_disturb + dt_3d
	738	IF ( time_disturb >= dt_disturb ) THEN
[1111]	739	!$acc update host( u, v )
[1113]	740	IF ( numprocs == 1 ) on_device = .FALSE. ! workaround, remove later
[1736]	741	IF ( disturbance_energy_limit /= 0.0_wp .AND. &
	742	hom(nzb+5,1,pr_palm,0) < disturbance_energy_limit ) THEN
[75]	743	CALL disturb_field( nzb_u_inner, tend, u )
	744	CALL disturb_field( nzb_v_inner, tend, v )
[707]	745	ELSEIF ( .NOT. bc_lr_cyc .OR. .NOT. bc_ns_cyc ) THEN
[1]	746	!
	747	!-- Runs with a non-cyclic lateral wall need perturbations
	748	!-- near the inflow throughout the whole simulation
	749	dist_range = 1
[75]	750	CALL disturb_field( nzb_u_inner, tend, u )
	751	CALL disturb_field( nzb_v_inner, tend, v )
[1]	752	dist_range = 0
	753	ENDIF
[1113]	754	IF ( numprocs == 1 ) on_device = .TRUE. ! workaround, remove later
[1111]	755	!$acc update device( u, v )
[1]	756	time_disturb = time_disturb - dt_disturb
	757	ENDIF
	758	ENDIF
	759
	760	!
	761	!-- Reduce the velocity divergence via the equation for perturbation
	762	!-- pressure.
[106]	763	IF ( intermediate_timestep_count == 1 .OR. &
	764	call_psolver_at_all_substeps ) THEN
[1]	765	CALL pres
	766	ENDIF
	767
	768	!
	769	!-- If required, compute liquid water content
[1015]	770	IF ( cloud_physics ) THEN
	771	CALL calc_liquid_water_content
	772	!$acc update device( ql )
	773	ENDIF
[1115]	774	!
	775	!-- If required, compute virtual potential temperature
	776	IF ( humidity ) THEN
	777	CALL compute_vpt
	778	!$acc update device( vpt )
	779	ENDIF
[1585]	780
[1]	781	!
	782	!-- Compute the diffusion quantities
	783	IF ( .NOT. constant_diffusion ) THEN
	784
	785	!
[1276]	786	!-- Determine surface fluxes shf and qsws and surface values
	787	!-- pt_surface and q_surface in dependence on data from external
	788	!-- file LSF_DATA respectively
	789	IF ( ( large_scale_forcing .AND. lsf_surf ) .AND. &
	790	intermediate_timestep_count == intermediate_timestep_count_max )&
	791	THEN
	792	CALL ls_forcing_surf ( simulated_time )
	793	ENDIF
	794
	795	!
[1691]	796	!-- First the vertical fluxes in the surface (constant flux) layer are computed
	797	IF ( constant_flux_layer ) THEN
	798	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'start' )
	799	CALL surface_layer_fluxes
	800	CALL cpu_log( log_point(19), 'surface_layer_fluxes', 'stop' )
[1]	801	ENDIF
[1241]	802
[1]	803	!
[1691]	804	!-- If required, solve the energy balance for the surface and run soil
	805	!-- model
	806	IF ( land_surface .AND. simulated_time > skip_time_do_lsm) THEN
	807
	808	CALL cpu_log( log_point(54), 'land_surface', 'start' )
	809	CALL lsm_energy_balance
	810	CALL lsm_soil_model
	811	CALL cpu_log( log_point(54), 'land_surface', 'stop' )
	812	ENDIF
	813	!
[1]	814	!-- Compute the diffusion coefficients
	815	CALL cpu_log( log_point(17), 'diffusivities', 'start' )
[75]	816	IF ( .NOT. humidity ) THEN
[97]	817	IF ( ocean ) THEN
[388]	818	CALL diffusivities( prho, prho_reference )
[97]	819	ELSE
	820	CALL diffusivities( pt, pt_reference )
	821	ENDIF
[1]	822	ELSE
[97]	823	CALL diffusivities( vpt, pt_reference )
[1]	824	ENDIF
	825	CALL cpu_log( log_point(17), 'diffusivities', 'stop' )
	826
	827	ENDIF
	828
[1691]	829	!
	830	!-- If required, calculate radiative fluxes and heating rates
	831	IF ( radiation .AND. intermediate_timestep_count &
	832	== intermediate_timestep_count_max .AND. simulated_time > &
	833	skip_time_do_radiation ) THEN
	834
	835	time_radiation = time_radiation + dt_3d
	836
	837	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) &
	838	THEN
	839
	840	CALL cpu_log( log_point(50), 'radiation', 'start' )
	841
	842	IF ( .NOT. force_radiation_call ) THEN
	843	time_radiation = time_radiation - dt_radiation
	844	ELSE
	845	WRITE(9,*) "Unscheduled radiation call at ", simulated_time
	846	CALL LOCAL_FLUSH ( 9 )
	847	ENDIF
	848
	849	IF ( radiation_scheme == 'clear-sky' ) THEN
	850	CALL radiation_clearsky
	851	ELSEIF ( radiation_scheme == 'rrtmg' ) THEN
	852	CALL radiation_rrtmg
	853	ENDIF
	854
	855	CALL cpu_log( log_point(50), 'radiation', 'stop' )
	856	ENDIF
	857	ENDIF
	858
[1]	859	ENDDO ! Intermediate step loop
	860
	861	!
	862	!-- Increase simulation time and output times
[1111]	863	nr_timesteps_this_run = nr_timesteps_this_run + 1
[291]	864	current_timestep_number = current_timestep_number + 1
	865	simulated_time = simulated_time + dt_3d
	866	simulated_time_chr = time_to_string( simulated_time )
	867	time_since_reference_point = simulated_time - coupling_start_time
	868
[1]	869	IF ( simulated_time >= skip_time_data_output_av ) THEN
	870	time_do_av = time_do_av + dt_3d
	871	ENDIF
	872	IF ( simulated_time >= skip_time_do2d_xy ) THEN
	873	time_do2d_xy = time_do2d_xy + dt_3d
	874	ENDIF
	875	IF ( simulated_time >= skip_time_do2d_xz ) THEN
	876	time_do2d_xz = time_do2d_xz + dt_3d
	877	ENDIF
	878	IF ( simulated_time >= skip_time_do2d_yz ) THEN
	879	time_do2d_yz = time_do2d_yz + dt_3d
	880	ENDIF
	881	IF ( simulated_time >= skip_time_do3d ) THEN
	882	time_do3d = time_do3d + dt_3d
	883	ENDIF
[410]	884	DO mid = 1, masks
	885	IF ( simulated_time >= skip_time_domask(mid) ) THEN
	886	time_domask(mid)= time_domask(mid) + dt_3d
	887	ENDIF
	888	ENDDO
[1]	889	time_dvrp = time_dvrp + dt_3d
	890	IF ( simulated_time >= skip_time_dosp ) THEN
	891	time_dosp = time_dosp + dt_3d
	892	ENDIF
	893	time_dots = time_dots + dt_3d
[849]	894	IF ( .NOT. first_call_lpm ) THEN
[1]	895	time_dopts = time_dopts + dt_3d
	896	ENDIF
	897	IF ( simulated_time >= skip_time_dopr ) THEN
	898	time_dopr = time_dopr + dt_3d
	899	ENDIF
	900	time_dopr_listing = time_dopr_listing + dt_3d
	901	time_run_control = time_run_control + dt_3d
	902
	903	!
[102]	904	!-- Data exchange between coupled models
[291]	905	IF ( coupling_mode /= 'uncoupled' .AND. run_coupled ) THEN
[102]	906	time_coupling = time_coupling + dt_3d
[343]	907
[108]	908	!
	909	!-- In case of model termination initiated by the local model
	910	!-- (terminate_coupled > 0), the coupler must be skipped because it would
	911	!-- cause an MPI intercomminucation hang.
	912	!-- If necessary, the coupler will be called at the beginning of the
	913	!-- next restart run.
	914	DO WHILE ( time_coupling >= dt_coupling .AND. terminate_coupled == 0 )
[102]	915	CALL surface_coupler
	916	time_coupling = time_coupling - dt_coupling
	917	ENDDO
	918	ENDIF
	919
	920	!
[46]	921	!-- Execute user-defined actions
	922	CALL user_actions( 'after_integration' )
	923
	924	!
[1]	925	!-- If Galilei transformation is used, determine the distance that the
	926	!-- model has moved so far
	927	IF ( galilei_transformation ) THEN
	928	advected_distance_x = advected_distance_x + u_gtrans * dt_3d
	929	advected_distance_y = advected_distance_y + v_gtrans * dt_3d
	930	ENDIF
	931
	932	!
	933	!-- Check, if restart is necessary (because cpu-time is expiring or
	934	!-- because it is forced by user) and set stop flag
[108]	935	!-- This call is skipped if the remote model has already initiated a restart.
	936	IF ( .NOT. terminate_run ) CALL check_for_restart
[1]	937
	938	!
	939	!-- Carry out statistical analysis and output at the requested output times.
	940	!-- The MOD function is used for calculating the output time counters (like
	941	!-- time_dopr) in order to regard a possible decrease of the output time
	942	!-- interval in case of restart runs
	943
	944	!
	945	!-- Set a flag indicating that so far no statistics have been created
	946	!-- for this time step
	947	flow_statistics_called = .FALSE.
	948
	949	!
	950	!-- If required, call flow_statistics for averaging in time
[1342]	951	IF ( averaging_interval_pr /= 0.0_wp .AND. &
[1]	952	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
	953	simulated_time >= skip_time_dopr ) THEN
	954	time_dopr_av = time_dopr_av + dt_3d
	955	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
	956	do_sum = .TRUE.
	957	time_dopr_av = MOD( time_dopr_av, &
	958	MAX( dt_averaging_input_pr, dt_3d ) )
	959	ENDIF
	960	ENDIF
	961	IF ( do_sum ) CALL flow_statistics
	962
	963	!
[410]	964	!-- Sum-up 3d-arrays for later output of time-averaged 2d/3d/masked data
[1342]	965	IF ( averaging_interval /= 0.0_wp .AND. &
[1]	966	( dt_data_output_av - time_do_av ) <= averaging_interval .AND. &
	967	simulated_time >= skip_time_data_output_av ) &
	968	THEN
	969	time_do_sla = time_do_sla + dt_3d
	970	IF ( time_do_sla >= dt_averaging_input ) THEN
	971	CALL sum_up_3d_data
	972	average_count_3d = average_count_3d + 1
	973	time_do_sla = MOD( time_do_sla, MAX( dt_averaging_input, dt_3d ) )
	974	ENDIF
	975	ENDIF
	976
	977	!
	978	!-- Calculate spectra for time averaging
[1342]	979	IF ( averaging_interval_sp /= 0.0_wp .AND. &
[1]	980	( dt_dosp - time_dosp ) <= averaging_interval_sp .AND. &
	981	simulated_time >= skip_time_dosp ) THEN
	982	time_dosp_av = time_dosp_av + dt_3d
	983	IF ( time_dosp_av >= dt_averaging_input_pr ) THEN
	984	CALL calc_spectra
	985	time_dosp_av = MOD( time_dosp_av, &
	986	MAX( dt_averaging_input_pr, dt_3d ) )
	987	ENDIF
	988	ENDIF
	989
	990	!
	991	!-- Computation and output of run control parameters.
[1001]	992	!-- This is also done whenever perturbations have been imposed
[1]	993	IF ( time_run_control >= dt_run_control .OR. &
[1001]	994	timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) &
[1]	995	THEN
	996	CALL run_control
	997	IF ( time_run_control >= dt_run_control ) THEN
	998	time_run_control = MOD( time_run_control, &
	999	MAX( dt_run_control, dt_3d ) )
	1000	ENDIF
	1001	ENDIF
	1002
	1003	!
	1004	!-- Profile output (ASCII) on file
	1005	IF ( time_dopr_listing >= dt_dopr_listing ) THEN
	1006	CALL print_1d
	1007	time_dopr_listing = MOD( time_dopr_listing, MAX( dt_dopr_listing, &
	1008	dt_3d ) )
	1009	ENDIF
	1010
	1011	!
	1012	!-- Graphic output for PROFIL
	1013	IF ( time_dopr >= dt_dopr ) THEN
	1014	IF ( dopr_n /= 0 ) CALL data_output_profiles
	1015	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
[1342]	1016	time_dopr_av = 0.0_wp ! due to averaging (see above)
[1]	1017	ENDIF
	1018
	1019	!
	1020	!-- Graphic output for time series
	1021	IF ( time_dots >= dt_dots ) THEN
[48]	1022	CALL data_output_tseries
[1]	1023	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
	1024	ENDIF
	1025
	1026	!
	1027	!-- Output of spectra (formatted for use with PROFIL), in case of no
	1028	!-- time averaging, spectra has to be calculated before
	1029	IF ( time_dosp >= dt_dosp ) THEN
	1030	IF ( average_count_sp == 0 ) CALL calc_spectra
	1031	CALL data_output_spectra
	1032	time_dosp = MOD( time_dosp, MAX( dt_dosp, dt_3d ) )
	1033	ENDIF
	1034
	1035	!
	1036	!-- 2d-data output (cross-sections)
	1037	IF ( time_do2d_xy >= dt_do2d_xy ) THEN
	1038	CALL data_output_2d( 'xy', 0 )
	1039	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
	1040	ENDIF
	1041	IF ( time_do2d_xz >= dt_do2d_xz ) THEN
	1042	CALL data_output_2d( 'xz', 0 )
	1043	time_do2d_xz = MOD( time_do2d_xz, MAX( dt_do2d_xz, dt_3d ) )
	1044	ENDIF
	1045	IF ( time_do2d_yz >= dt_do2d_yz ) THEN
	1046	CALL data_output_2d( 'yz', 0 )
	1047	time_do2d_yz = MOD( time_do2d_yz, MAX( dt_do2d_yz, dt_3d ) )
	1048	ENDIF
	1049
	1050	!
	1051	!-- 3d-data output (volume data)
	1052	IF ( time_do3d >= dt_do3d ) THEN
	1053	CALL data_output_3d( 0 )
	1054	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
	1055	ENDIF
	1056
	1057	!
[1783]	1058	!-- Masked data output
[410]	1059	DO mid = 1, masks
	1060	IF ( time_domask(mid) >= dt_domask(mid) ) THEN
	1061	CALL data_output_mask( 0 )
	1062	time_domask(mid) = MOD( time_domask(mid), &
	1063	MAX( dt_domask(mid), dt_3d ) )
	1064	ENDIF
	1065	ENDDO
	1066
	1067	!
	1068	!-- Output of time-averaged 2d/3d/masked data
[1]	1069	IF ( time_do_av >= dt_data_output_av ) THEN
	1070	CALL average_3d_data
	1071	CALL data_output_2d( 'xy', 1 )
	1072	CALL data_output_2d( 'xz', 1 )
	1073	CALL data_output_2d( 'yz', 1 )
	1074	CALL data_output_3d( 1 )
[410]	1075	DO mid = 1, masks
	1076	CALL data_output_mask( 1 )
	1077	ENDDO
[1]	1078	time_do_av = MOD( time_do_av, MAX( dt_data_output_av, dt_3d ) )
	1079	ENDIF
	1080
	1081	!
	1082	!-- Output of particle time series
[253]	1083	IF ( particle_advection ) THEN
	1084	IF ( time_dopts >= dt_dopts .OR. &
	1085	( simulated_time >= particle_advection_start .AND. &
[849]	1086	first_call_lpm ) ) THEN
[253]	1087	CALL data_output_ptseries
	1088	time_dopts = MOD( time_dopts, MAX( dt_dopts, dt_3d ) )
	1089	ENDIF
[1]	1090	ENDIF
	1091
	1092	!
	1093	!-- Output of dvrp-graphics (isosurface, particles, slicer)
	1094	#if defined( __dvrp_graphics )
	1095	CALL DVRP_LOG_EVENT( -2, current_timestep_number-1 )
	1096	#endif
	1097	IF ( time_dvrp >= dt_dvrp ) THEN
	1098	CALL data_output_dvrp
	1099	time_dvrp = MOD( time_dvrp, MAX( dt_dvrp, dt_3d ) )
	1100	ENDIF
	1101	#if defined( __dvrp_graphics )
	1102	CALL DVRP_LOG_EVENT( 2, current_timestep_number )
	1103	#endif
	1104
	1105	!
	1106	!-- If required, set the heat flux for the next time step at a random value
	1107	IF ( constant_heatflux .AND. random_heatflux ) CALL disturb_heatflux
	1108
	1109	!
	1110	!-- Execute user-defined actions
	1111	CALL user_actions( 'after_timestep' )
	1112
[1402]	1113	!
	1114	!-- Output elapsed simulated time in form of a progress bar on stdout
	1115	IF ( myid == 0 ) CALL output_progress_bar
	1116
[1]	1117	CALL cpu_log( log_point_s(10), 'timesteps', 'stop' )
	1118
[667]	1119
[1]	1120	ENDDO ! time loop
	1121
[1402]	1122	IF ( myid == 0 ) CALL finish_progress_bar
	1123
[1]	1124	#if defined( __dvrp_graphics )
	1125	CALL DVRP_LOG_EVENT( -2, current_timestep_number )
	1126	#endif
	1127
[1402]	1128	CALL location_message( 'finished time-stepping', .TRUE. )
[1384]	1129
[1]	1130	END SUBROUTINE time_integration

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