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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 3630

Last change on this file since 3630 was 3597, checked in by maronga, 6 years ago
revised calculation of near surface air potential temperature
Property svn:keywords set to `Id`
File size: 69.8 KB

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[3469]	1	!> @file indoor_model_mod.f90
	2	!--------------------------------------------------------------------------------!
	3	! This file is part of the PALM model system.
	4	!
	5	! PALM is free software: you can redistribute it and/or modify it under the
	6	! terms of the GNU General Public License as published by the Free Software
	7	! Foundation, either version 3 of the License, or (at your option) any later
	8	! version.
	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
	17	! Copyright 2018-2018 Leibniz Universitaet Hannover
	18	! Copyright 2018-2018 Hochschule Offenburg
	19	!--------------------------------------------------------------------------------!
	20	!
	21	! Current revisions:
	22	! -----------------
	23	!
	24	!
	25	! Former revisions:
	26	! -----------------
	27	! $Id: indoor_model_mod.f90 3597 2018-12-04 08:40:18Z knoop $
[3597]	28	! Renamed t_surf_10cm to pt_10cm
	29	!
	30	! 3593 2018-12-03 13:51:13Z kanani
[3593]	31	! Replace degree symbol by degree_C
	32	!
	33	! 3524 2018-11-14 13:36:44Z raasch
[3524]	34	! working precision added to make code Fortran 2008 conform
	35	!
	36	! 3469 2018-10-30 20:05:07Z kanani
[3469]	37	! Initial revision (tlang, suehring, kanani, srissman)
	38	!
	39	!
	40	!
	41	! Authors:
	42	! --------
	43	! @author Tobias Lang
	44	! @author Jens Pfafferott
	45	! @author Farah Kanani-Suehring
	46	! @author Matthias Suehring
	47	! @author Sascha RiÃmann
	48	!
	49	!
	50	! Description:
	51	! ------------
	52	!> <Description of the new module>
	53	!> Module for Indoor Climate Model (ICM)
	54	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
	55	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
	56	!> This module differ between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine thermal comfort
	57	!> the heat transfer between indoor and outdoor is simplified
	58
	59	!> @todo Replace window_area_per_facade by %frac(1,m) for window
	60	!> @todo emissivity change for window blinds if solar_protection_on=1
	61	!> @todo write datas in netcdf file as output data
	62	!> @todo reduce the building volume with netto ground surface to take respect costruction areas like walls and ceilings. Have effect on factor_a, factor_c, airchange and lambda_at
	63	!>
	64	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
	65	!> @note How to write indoor temperature output to pt array?
	66	!>
	67	!> @bug <Enter known bugs here>
	68	!------------------------------------------------------------------------------!
	69	MODULE indoor_model_mod
	70
	71	USE control_parameters, &
	72	ONLY: initializing_actions
	73
	74	USE kinds
	75
	76	USE surface_mod, &
	77	ONLY: surf_usm_h, surf_usm_v
	78
	79
	80	IMPLICIT NONE
	81
	82	!
	83	!-- Define data structure for buidlings.
	84	TYPE build
	85
	86	INTEGER(iwp) :: id !< building ID
	87	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
	88	INTEGER(iwp) :: kb_max !< highest vertical index of a building
	89	INTEGER(iwp) :: num_facades_per_building_h !< total number of horizontal facades elements
	90	INTEGER(iwp) :: num_facades_per_building_h_l !< number of horizontal facade elements on local subdomain
	91	INTEGER(iwp) :: num_facades_per_building_v !< total number of vertical facades elements
	92	INTEGER(iwp) :: num_facades_per_building_v_l !< number of vertical facade elements on local subdomain
	93
	94	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
	95	!< for vertical surfaces with building
	96	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
	97	!< horizontal surfaces with building
	98	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
	99	!< vertical surfaces with building
	100	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
	101	!< and height level
	102	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
	103	!< and height level
	104
	105	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
	106
	107	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
	108	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
	109	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
	110	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
	111	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
	112
	113	END TYPE build
	114
	115	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
	116
	117	INTEGER(iwp) :: num_build !< total number of buildings in domain
	118
	119	REAL(wp) :: volume_fraction
	120
	121	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< dummy array for indoor temperature for the
	122	!< total building volume at each discrete height level
	123	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< dummy array for indoor temperature for the
	124	!< local building volume fraction at each discrete height level
	125
	126	!
	127	!-- Declare all global variables within the module
	128
	129	INTEGER(iwp) :: building_type = 1 !< namelist parameter with
	130	!< X1=construction year (cy) 1950, X2=cy 2000, X3=cy 2050
	131	!< R=Residental building, O=Office, RW=Enlarged Windows, P=Panel type (Plattenbau) WBS 70, H=Hospital (in progress), I=Industrial halls (in progress), S=Special Building (in progress)
	132	!< (0=R1, 1=R2, 2=R3, 3=O1, 4=O2, 5=O3,...)
	133	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
	134	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
	135	INTEGER(iwp) :: solar_protection_off !< Solar protection off
	136	INTEGER(iwp) :: solar_protection_on !< Solar protection on
	137
	138	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
	139	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
	140	REAL(wp) :: eff_mass_area !< [mÂ²] the effective mass-related area
	141	REAL(wp) :: floor_area_per_facade !< [mÂ²] net floor area (Sum of all floors)
	142	REAL(wp) :: total_area !<! [mÂ²] area of all surfaces pointing to zone
	143	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
	144	REAL(wp) :: air_change !< [1/h] Airflow
	145	REAL(wp) :: bldg_part_surf_i = 4 !< [mÂ²_surf,i] part building surface, from Palm, das mÃŒsste mittlerweile "facade_element_area" sein!
	146	REAL(wp) :: facade_element_area !< [mÂ²_facade] building surface facade
	147	REAL(wp) :: indoor_volume_per_facade !< [mÂ³] indoor air volume per facade element
	148	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
	149	REAL(wp) :: dt_indoor = 3600.0_wp !< [s] namelist parameter: time interval for indoor-model application
	150	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
	151	REAL(wp) :: f_c_win !< [-] shading factor
	152	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5 (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
	153	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000 (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
	154	REAL(wp) :: g_value_win !< [-] SHGC factor
	155	REAL(wp) :: h_tr_1 !<! [W/K] Heat transfer coefficient auxiliary variable 1
	156	REAL(wp) :: h_tr_2 !<! [W/K] Heat transfer coefficient auxiliary variable 2
	157	REAL(wp) :: h_tr_3 !<! [W/K] Heat transfer coefficient auxiliary variable 3
	158	REAL(wp) :: h_tr_em !<! [W/K] Heat transfer coefficient of the emmision (got with h_tr_ms the thermal mass)
	159	REAL(wp) :: h_tr_is !<! [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
	160	REAL(wp) :: h_tr_ms !<! [W/K] Heat transfer conductance term (got with h_tr_em the thermal mass)
	161	REAL(wp) :: h_tr_op !<! [W/K] heat transfer coefficient of opaque components (assumption: got all thermal mass) contains of h_tr_em and h_tr_ms
	162	REAL(wp) :: h_tr_w !<! [W/K] heat transfer coefficient of doors, windows, curtain walls and glazed walls (assumption: thermal mass=0)
	163	REAL(wp) :: h_ve !<! [W/K] heat transfer of ventilation
	164	REAL(wp) :: height_storey !< [m] storey heigth
	165	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
	166	REAL(wp) :: initial_indoor_temperature !< namelist parameter
	167	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
	168	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
	169	REAL(wp) :: net_sw_in !< net short-wave radiation (in - out; was i_global --> CORRECT?)
	170	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
	171	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
	172	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
	173	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (negative)
	174	REAL(wp) :: phi_hc_nd !<! [W] heating demand and/or cooling demand
	175	REAL(wp) :: phi_hc_nd_10 !<! [W] heating demand and/or cooling demand for heating or cooling
	176	REAL(wp) :: phi_hc_nd_ac !<! [W] actual heating demand and/or cooling demand
	177	REAL(wp) :: phi_hc_nd_un !<! [W] unlimited heating demand and/or cooling demand which is necessary to reach the demanded required temperature (heating is positive, cooling is negative)
	178	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
	179	REAL(wp) :: phi_m !<! [W] mass specific thermal load (internal and external)
	180	REAL(wp) :: phi_mtot !<! [W] total mass specific thermal load (internal and external)
	181	REAL(wp) :: phi_sol !< [W] solar loads
	182	REAL(wp) :: phi_st !<! [W] mass specific thermal load implied non thermal mass
	183	REAL(wp) :: q_emission !< emissions, in first version = 0, option for second part of the project
	184	REAL(wp) :: q_wall_win !< heat flux from indoor into wall/window
	185	REAL(wp) :: q_waste_heat !< waste heat, sum of waste heat over the roof to Palm
	186	REAL(wp) :: q_waste_heat_bldg !< [W/building] waste heat of the complete building, in Palm sum of all indoor_model-calculations
	187	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
	188	REAL(wp) :: schedule_d !< activation for internal loads (low or high + low)
	189	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
[3593]	190	REAL(wp) :: theta_air !<! [degree_C] air temperature of the RC-node
	191	REAL(wp) :: theta_air_0 !<! [degree_C] air temperature of the RC-node in equilibrium
	192	REAL(wp) :: theta_air_10 !<! [degree_C] air temperature of the RC-node from a heating capacity of 10 W/mÂ²
	193	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
	194	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
	195	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
	196	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
	197	REAL(wp) :: theta_m !<! [degree_C} inner temperature of the RC-node
	198	REAL(wp) :: theta_m_t !<! [degree_C] (Fictive) component temperature timestep
	199	REAL(wp) :: theta_m_t_prev !< [degree_C] (Fictive) component temperature previous timestep (do not change)
	200	REAL(wp) :: theta_op !< [degree_C] operative temperature
	201	REAL(wp) :: theta_s !<! [degree_C] surface temperature of the RC-node
[3469]	202	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
	203	REAL(wp) :: time_utc_hour !< Time in hours per day (UTC)
	204	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
	205	REAL(wp) :: ventilation_int_loads !< Zuteilung der GebÃ€ude fÃŒr Verlauf/AktivitÃ€t der LÃŒftung und internen Lasten
	206
	207	!
	208	!-- Declare all global parameters within the module
	209	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly cooling 2.0_wp
	210	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
	211	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus Datenbank 27 window_area_per_facade_percent
	212	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation on facade exceeds this value
	213	REAL(wp), PARAMETER :: params_waste_heat_c = 4.0_wp !< [-] anthropogenic heat outputs for cooling e.g. 4 for KKM with COP = 3
	214	REAL(wp), PARAMETER :: params_waste_heat_h = 1.111_wp !< [-] anthropogenic heat outputs for heating e.g. 1 / 0.9 = 1.111111 for combustion with eta = 0.9 or -3 for WP with COP = 4
	215	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m^2 K)] h_is = 3.45 between surface and air (chap. 7.2.2.2)
	216	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/K] h_ms = 9.10 W / (m2 K) between component and surface (chap. 12.2.2)
	217
	218	SAVE
	219
	220
	221	PRIVATE
	222
	223	!
	224	!-- Add INTERFACES that must be available to other modules
	225	PUBLIC im_init, im_main_heatcool, im_parin
	226
	227	!
	228	!-- Add VARIABLES that must be available to other modules
	229	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
	230
	231	!
	232	!-- Calculations for indoor temperatures
	233	INTERFACE im_calc_temperatures
	234	MODULE PROCEDURE im_calc_temperatures
	235	END INTERFACE im_calc_temperatures
	236	!
	237	!-- Initialization actions
	238	INTERFACE im_init
	239	MODULE PROCEDURE im_init
	240	END INTERFACE im_init
	241
	242	!
	243	!-- Main part of indoor model
	244	INTERFACE im_main_heatcool
	245	MODULE PROCEDURE im_main_heatcool
	246	END INTERFACE im_main_heatcool
	247	!
	248	!-- Reading of NAMELIST parameters
	249	INTERFACE im_parin
	250	MODULE PROCEDURE im_parin
	251	END INTERFACE im_parin
	252
	253	CONTAINS
	254
	255	!------------------------------------------------------------------------------!
	256	! Description:
	257	! ------------
	258	!< Calculation of the air temperatures and mean radiation temperature
	259	!< This is basis for the operative temperature
	260	!< Based on a Crank-Nicholson scheme with a timestep of a hour
	261	!------------------------------------------------------------------------------!
	262	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	263	near_facade_temperature, phi_hc_nd_dummy )
	264
	265	USE arrays_3d, &
	266	ONLY: pt
	267
	268
	269	IMPLICIT NONE
	270
	271
	272	INTEGER(iwp) :: i
	273	INTEGER(iwp) :: j
	274	INTEGER(iwp) :: k
	275
	276	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	277	REAL(wp) :: near_facade_temperature
	278	REAL(wp) :: phi_hc_nd_dummy
	279
	280	!< Calculation of total mass specific thermal load (internal and external)
	281	phi_mtot = ( phi_m + h_tr_em * indoor_wall_window_temperature &
	282	+ h_tr_3 * ( phi_st + h_tr_w * pt(k,j,i) &
	283	+ h_tr_1 * &
	284	( ( ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
	285	+ near_facade_temperature ) &
	286	) / h_tr_2 &
[3593]	287	) !< [degree_C] Eq. (C.5)
[3469]	288
	289	!< Calculation of component temperature at factual timestep
	290	theta_m_t = ( ( theta_m_t_prev &
	291	* ( ( c_m / 3600 ) - 0.5 * ( h_tr_3 + h_tr_em ) ) + phi_mtot &
	292	) &
	293	/ ( ( c_m / 3600 ) + 0.5 * ( h_tr_3 + h_tr_em ) ) &
[3593]	294	) !< [degree_C] Eq. (C.4)
[3469]	295
	296	!< Calculation of mean inner temperature for the RC-node in actual timestep
[3593]	297	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5 !< [degree_C] Eq. (C.9)
[3469]	298
	299	!< Calculation of mean surface temperature of the RC-node in actual timestep
	300	theta_s = ( ( h_tr_ms * theta_m + phi_st + h_tr_w * pt(k,j,i) &
	301	+ h_tr_1 * ( near_facade_temperature + ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
	302	) &
	303	/ ( h_tr_ms + h_tr_w + h_tr_1 ) &
[3593]	304	) !< [degree_C] Eq. (C.10)
[3469]	305
	306	!< Calculation of the air temperature of the RC-node
	307	theta_air = ( h_tr_is * theta_s + h_ve * near_facade_temperature &
[3593]	308	+ phi_ia + phi_hc_nd_dummy ) / ( h_tr_is + h_ve ) !< [degree_C] Eq. (C.11)
[3469]	309
	310	END SUBROUTINE im_calc_temperatures
	311
	312	!------------------------------------------------------------------------------!
	313	! Description:
	314	! ------------
	315	!> Initialization of the indoor model.
	316	!> Static information are calculated here, e.g. building parameters and
	317	!> geometrical information, everything that doesn't change in time.
	318	!
	319	!-- Input values
	320	!-- Input datas from Palm, M4
	321	! i_global --> net_sw_in !global radiation [W/m2]
	322	! theta_e --> pt(k,j,i) !undisturbed outside temperature, 1. PALM volume, for windows
[3597]	323	! theta_sup = theta_f --> surf_usm_h%pt_10cm(m)
	324	! surf_usm_v(l)%pt_10cm(m) !Air temperature, facade near (10cm) air temperature from 1. Palm volume
[3469]	325	! theta_node --> t_wall_h(nzt_wall,m)
	326	! t_wall_v(l)%t(nzt_wall,m) !Temperature of innermost wall layer, for opaque wall
	327	!------------------------------------------------------------------------------!
	328	SUBROUTINE im_init
	329
	330	USE arrays_3d, &
	331	ONLY: dzw
	332
	333	USE control_parameters, &
	334	ONLY: message_string
	335
	336	USE indices, &
	337	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_0
	338
	339	USE grid_variables, &
	340	ONLY: dx, dy
	341
	342	USE netcdf_data_input_mod, &
	343	ONLY: building_id_f
	344
	345	USE pegrid
	346
	347	USE surface_mod, &
	348	ONLY: surf_usm_h, surf_usm_v
	349
	350	USE urban_surface_mod, &
	351	ONLY: building_pars, building_type
	352
	353	IMPLICIT NONE
	354
	355	INTEGER(iwp) :: fa !< running index for facade elements of each building
	356	INTEGER(iwp) :: i !< running index along x-direction
	357	INTEGER(iwp) :: j !< running index along y-direction
	358	INTEGER(iwp) :: k !< running index along z-direction
	359	INTEGER(iwp) :: l !< running index for surface-element orientation
	360	INTEGER(iwp) :: m !< running index surface elements
	361	INTEGER(iwp) :: n !< building index
	362	INTEGER(iwp) :: nb !< building index
	363
	364	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
	365	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
	366	!< multiple occurences are sorted out
	367	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
	368	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
	369	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
	370	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
	371	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
	372	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
	373	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
	374	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
	375	!< horizontal facade elements
	376	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
	377	!< vertical facade elements
	378	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
	379	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
	380
	381	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
	382	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
	383
	384	REAL(wp), DIMENSION(:), ALLOCATABLE :: local_weight !< dummy representing fraction of local on total building volume,
	385	!< height dependent
	386	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
	387	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
	388	!< on local subdomain
	389
	390	!
	391	!-- Initializing of indoor model is only possible if buildings can be
	392	!-- distinguished by their IDs.
	393	IF ( .NOT. building_id_f%from_file ) THEN
	394	message_string = 'Indoor model requires information about building_id'
	395	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
	396	ENDIF
	397	!
	398	!-- Determine number of different building IDs on local subdomain.
	399	num_buildings_l = 0
	400	num_buildings = 0
	401	ALLOCATE( build_ids_l(1) )
	402	DO i = nxl, nxr
	403	DO j = nys, nyn
	404	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	405	IF ( num_buildings_l(myid) > 0 ) THEN
	406	IF ( ANY( building_id_f%var(j,i) .EQ. build_ids_l ) ) THEN
	407	CYCLE
	408	ELSE
	409	num_buildings_l(myid) = num_buildings_l(myid) + 1
	410	!
	411	!-- Resize array with different local building ids
	412	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
	413	build_ids_l_tmp = build_ids_l
	414	DEALLOCATE( build_ids_l )
	415	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
	416	build_ids_l(1:num_buildings_l(myid)-1) = &
	417	build_ids_l_tmp(1:num_buildings_l(myid)-1)
	418	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
	419	DEALLOCATE( build_ids_l_tmp )
	420	ENDIF
	421	!
	422	!-- First occuring building id on PE
	423	ELSE
	424	num_buildings_l(myid) = num_buildings_l(myid) + 1
	425	build_ids_l(1) = building_id_f%var(j,i)
	426	ENDIF
	427	ENDIF
	428	ENDDO
	429	ENDDO
	430	!
	431	!-- Determine number of building IDs for the entire domain. (Note, building IDs
	432	!-- can appear multiple times as buildings might be distributed over several
	433	!-- PEs.)
	434	#if defined( __parallel )
	435	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, &
	436	MPI_INTEGER, MPI_SUM, comm2d, ierr )
	437	#else
	438	num_buildings = num_buildings_l
	439	#endif
	440	ALLOCATE( build_ids(1:SUM(num_buildings)) )
	441	!
	442	!-- Gather building IDs. Therefore, first, determine displacements used
	443	!-- required for MPI_GATHERV call.
	444	ALLOCATE( displace_dum(0:numprocs-1) )
	445	displace_dum(0) = 0
	446	DO i = 1, numprocs-1
	447	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
	448	ENDDO
	449
	450	#if defined( __parallel )
	451	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
	452	num_buildings(myid), &
	453	MPI_INTEGER, &
	454	build_ids, &
	455	num_buildings, &
	456	displace_dum, &
	457	MPI_INTEGER, &
	458	comm2d, ierr )
	459
	460	DEALLOCATE( displace_dum )
	461
	462	#else
	463	build_ids = build_ids_l
	464	#endif
	465	!
	466	!-- Note: in parallel mode, building IDs can occur mutliple times, as
	467	!-- each PE has send its own ids. Therefore, sort out building IDs which
	468	!-- appear multiple times.
	469	num_build = 0
	470	DO n = 1, SIZE(build_ids)
	471
	472	IF ( ALLOCATED(build_ids_final) ) THEN
	473	IF ( ANY( build_ids(n) .EQ. build_ids_final ) ) THEN !FK: Warum ANY?, Warum .EQ.? --> s.o
	474	CYCLE
	475	ELSE
	476	num_build = num_build + 1
	477	!
	478	!-- Resize
	479	ALLOCATE( build_ids_final_tmp(1:num_build) )
	480	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
	481	DEALLOCATE( build_ids_final )
	482	ALLOCATE( build_ids_final(1:num_build) )
	483	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
	484	build_ids_final(num_build) = build_ids(n)
	485	DEALLOCATE( build_ids_final_tmp )
	486	ENDIF
	487	ELSE
	488	num_build = num_build + 1
	489	ALLOCATE( build_ids_final(1:num_build) )
	490	build_ids_final(num_build) = build_ids(n)
	491	ENDIF
	492	ENDDO
	493
	494	!
	495	!-- Allocate building-data structure array. Note, this is a global array
	496	!-- and all building IDs on domain are known by each PE. Further attributes,
	497	!-- e.g. height-dependent arrays, however, are only allocated on PEs where
	498	!-- the respective building is present (in order to reduce memory demands).
	499	ALLOCATE( buildings(1:num_build) )
	500	!
	501	!-- Store building IDs and check if building with certain ID is present on
	502	!-- subdomain.
	503	DO nb = 1, num_build
	504	buildings(nb)%id = build_ids_final(nb)
	505
	506	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) &
	507	buildings(nb)%on_pe = .TRUE.
	508	ENDDO
	509	!
	510	!-- Determine the maximum vertical dimension occupied by each building.
	511	ALLOCATE( k_min_l(1:num_build) )
	512	ALLOCATE( k_max_l(1:num_build) )
	513	k_min_l = nzt + 1
	514	k_max_l = 0
	515
	516	DO i = nxl, nxr
	517	DO j = nys, nyn
	518	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	519	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
	520	DIM = 1 )
	521	DO k = nzb+1, nzt+1
	522	!
	523	!-- Check if grid point belongs to a building.
	524	IF ( BTEST( wall_flags_0(k,j,i), 6 ) ) THEN
	525	k_min_l(nb) = MIN( k_min_l(nb), k )
	526	k_max_l(nb) = MAX( k_max_l(nb), k )
	527	ENDIF
	528
	529	ENDDO
	530	ENDIF
	531	ENDDO
	532	ENDDO
	533
	534	DO nb = 1, num_build
	535	#if defined( __parallel )
	536	CALL MPI_ALLREDUCE( k_min_l(nb), buildings(nb)%kb_min, 1, MPI_INTEGER, &
	537	MPI_MIN, comm2d, ierr )
	538	CALL MPI_ALLREDUCE( k_max_l(nb), buildings(nb)%kb_max, 1, MPI_INTEGER, &
	539	MPI_MAX, comm2d, ierr )
	540	#else
	541	buildings(nb)%kb_min = k_min_l(nb)
	542	buildings(nb)%kb_max = k_max_l(nb)
	543	#endif
	544
	545	ENDDO
	546
	547	DEALLOCATE( k_min_l )
	548	DEALLOCATE( k_max_l )
	549	!
	550	!-- Calculate building volume
	551	DO nb = 1, num_build
	552	!
	553	!-- Allocate temporary array for summing-up building volume
	554	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	555	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	556	volume = 0.0_wp
	557	volume_l = 0.0_wp
	558	!
	559	!-- Calculate building volume per height level on each PE where
	560	!-- these building is present.
	561	IF ( buildings(nb)%on_pe ) THEN
	562	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	563	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	564	buildings(nb)%volume = 0.0_wp
	565	buildings(nb)%vol_frac = 0.0_wp
	566
	567	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) THEN
	568	DO i = nxl, nxr
	569	DO j = nys, nyn
	570	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
	571	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
	572	volume_l(k) = dx * dy * dzw(k)
	573	ENDDO
	574	ENDDO
	575	ENDDO
	576	ENDIF
	577	ENDIF
	578	!
	579	!-- Sum-up building volume from all subdomains
	580	#if defined( __parallel )
	581	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, &
	582	comm2d, ierr )
	583	#else
	584	volume = volume_l
	585	#endif
	586	!
	587	!-- Save total building volume as well as local fraction on volume on
	588	!-- building data structure.
	589	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
	590	!
	591	!-- Determine fraction of local on total building volume
	592	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
	593
	594	DEALLOCATE( volume )
	595	DEALLOCATE( volume_l )
	596
	597	ENDDO
	598
	599	!
	600	!-- Allocate arrays for indoor temperature.
	601	DO nb = 1, num_build
	602	IF ( buildings(nb)%on_pe ) THEN
	603	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	604	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	605	buildings(nb)%t_in = 0.0_wp
	606	buildings(nb)%t_in_l = 0.0_wp
	607	ENDIF
	608	ENDDO
	609	!
	610	!-- Allocate arrays for number of facades per height level. Distinguish between
	611	!-- horizontal and vertical facades.
	612	DO nb = 1, num_build
	613	IF ( buildings(nb)%on_pe ) THEN
	614	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	615	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	616
	617	buildings(nb)%num_facade_h = 0
	618	buildings(nb)%num_facade_v = 0
	619	ENDIF
	620	ENDDO
	621	!
	622	!-- Determine number of facade elements per building on local subdomain.
	623	!-- Distinguish between horizontal and vertical facade elements.
	624	!
	625	!-- Horizontal facades
	626	buildings(:)%num_facades_per_building_h_l = 0
	627	DO m = 1, surf_usm_h%ns
	628	!
	629	!-- For the current facade element determine corresponding building index.
	630	!-- First, obtain j,j,k indices of the building. Please note the
	631	!-- offset between facade/surface element and building location (for
	632	!-- horizontal surface elements the horizontal offsets are zero).
	633	i = surf_usm_h%i(m) + surf_usm_h%ioff
	634	j = surf_usm_h%j(m) + surf_usm_h%joff
	635	k = surf_usm_h%k(m) + surf_usm_h%koff
	636	!
	637	!-- Determine building index and check whether building is on PE
	638	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
	639	IF ( buildings(nb)%on_pe ) THEN
	640	!
	641	!-- Count number of facade elements at each height level.
	642	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
	643	!
	644	!-- Moreover, sum up number of local facade elements per building.
	645	buildings(nb)%num_facades_per_building_h_l = &
	646	buildings(nb)%num_facades_per_building_h_l + 1
	647	ENDIF
	648	ENDDO
	649	!
	650	!-- Vertical facades
	651	buildings(:)%num_facades_per_building_v_l = 0
	652	DO l = 0, 3
	653	DO m = 1, surf_usm_v(l)%ns
	654	!
	655	!-- For the current facade element determine corresponding building index.
	656	!-- First, obtain j,j,k indices of the building. Please note the
	657	!-- offset between facade/surface element and building location (for
	658	!-- vertical surface elements the vertical offsets are zero).
	659	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	660	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	661	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	662
	663	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
	664	DIM = 1 )
	665	IF ( buildings(nb)%on_pe ) THEN
	666	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
	667	buildings(nb)%num_facades_per_building_v_l = &
	668	buildings(nb)%num_facades_per_building_v_l + 1
	669	ENDIF
	670	ENDDO
	671	ENDDO
	672
	673	!
	674	!-- Determine total number of facade elements per building and assign number to
	675	!-- building data type.
	676	DO nb = 1, num_build
	677	!
	678	!-- Allocate dummy array used for summing-up facade elements.
	679	!-- Please note, dummy arguments are necessary as building-date type
	680	!-- arrays are not necessarily allocated on all PEs.
	681	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	682	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	683	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	684	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	685	num_facades_h = 0
	686	num_facades_v = 0
	687	receive_dum_h = 0
	688	receive_dum_v = 0
	689
	690	IF ( buildings(nb)%on_pe ) THEN
	691	num_facades_h = buildings(nb)%num_facade_h
	692	num_facades_v = buildings(nb)%num_facade_v
	693	ENDIF
	694
	695	#if defined( __parallel )
	696	CALL MPI_ALLREDUCE( num_facades_h, &
	697	receive_dum_h, &
	698	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	699	MPI_INTEGER, &
	700	MPI_SUM, &
	701	comm2d, &
	702	ierr )
	703
	704	CALL MPI_ALLREDUCE( num_facades_v, &
	705	receive_dum_v, &
	706	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	707	MPI_INTEGER, &
	708	MPI_SUM, &
	709	comm2d, &
	710	ierr )
	711	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) & !FK: Was wenn not allocated? --> s.o.
	712	buildings(nb)%num_facade_h = receive_dum_h
	713	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) &
	714	buildings(nb)%num_facade_v = receive_dum_v
	715	#else
	716	buildings(nb)%num_facade_h = num_facades_h
	717	buildings(nb)%num_facade_v = num_facades_v
	718	#endif
	719	!
	720	!-- Deallocate dummy arrays
	721	DEALLOCATE( num_facades_h )
	722	DEALLOCATE( num_facades_v )
	723	DEALLOCATE( receive_dum_h )
	724	DEALLOCATE( receive_dum_v )
	725	!
	726	!-- Allocate index arrays which link facade elements with surface-data type.
	727	!-- Please note, no height levels are considered here (information is stored
	728	!-- in surface-data type itself).
	729	IF ( buildings(nb)%on_pe ) THEN
	730	!
	731	!-- Determine number of facade elements per building.
	732	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
	733	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
	734	!
	735	!-- Allocate arrays which link the building with the horizontal and vertical
	736	!-- urban-type surfaces. Please note, linking arrays are allocated over all
	737	!-- facade elements, which is required in case a building is located at the
	738	!-- subdomain boundaries, where the building and the corresponding surface
	739	!-- elements are located on different subdomains.
	740	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
	741
	742	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
	743	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
	744	ENDIF
	745	!
	746	!-- Determine volume per facade element (vpf)
	747	IF ( buildings(nb)%on_pe ) THEN
	748	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	749
	750	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
	751	buildings(nb)%vpf(k) = buildings(nb)%volume(k) / &
	752	( buildings(nb)%num_facade_h(k) + &
	753	buildings(nb)%num_facade_v(k) )
	754	ENDDO
	755	ENDIF
	756	ENDDO
	757	!
	758	!-- Link facade elements with surface data type.
	759	!-- Allocate array for counting.
	760	ALLOCATE( n_fa(1:num_build) )
	761	n_fa = 1
	762
	763	DO m = 1, surf_usm_h%ns
	764	i = surf_usm_h%i(m) + surf_usm_h%ioff
	765	j = surf_usm_h%j(m) + surf_usm_h%joff
	766
	767	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
	768
	769	buildings(nb)%m_h(n_fa(nb)) = m
	770	n_fa(nb) = n_fa(nb) + 1
	771	ENDDO
	772
	773	n_fa = 1
	774	DO l = 0, 3
	775	DO m = 1, surf_usm_v(l)%ns
	776	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	777	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	778
	779	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
	780
	781	buildings(nb)%l_v(n_fa(nb)) = l
	782	buildings(nb)%m_v(n_fa(nb)) = m
	783	n_fa(nb) = n_fa(nb) + 1
	784	ENDDO
	785	ENDDO
	786	DEALLOCATE( n_fa )
	787
	788	!
	789	!-- Building parameters by type of building. Assigned in urban_surface_mod.f90
	790
	791	lambda_layer3 = building_pars(63, building_type)
	792	s_layer3 = building_pars(57, building_type)
	793	f_c_win = building_pars(119, building_type)
	794	g_value_win = building_pars(120, building_type)
	795	u_value_win = building_pars(121, building_type)
	796	air_change_low = building_pars(122, building_type)
	797	air_change_high = building_pars(123, building_type)
	798	eta_ve = building_pars(124, building_type)
	799	factor_a = building_pars(125, building_type)
	800	factor_c = building_pars(126, building_type)
	801	lambda_at = building_pars(127, building_type)
	802	theta_int_h_set = building_pars(118, building_type)
	803	theta_int_c_set = building_pars(117, building_type)
	804	phi_h_max = building_pars(128, building_type)
	805	phi_c_max = building_pars(129, building_type)
	806	qint_high = building_pars(130, building_type)
	807	qint_low = building_pars(131, building_type)
	808	height_storey = building_pars(132, building_type)
	809	height_cei_con = building_pars(133, building_type)
	810
	811	!
	812	!-- Setting of initial room temperature [K]
	813	!-- (after first loop, use theta_m_t as theta_m_t_prev)
	814	theta_m_t_prev = initial_indoor_temperature
	815
	816
	817	END SUBROUTINE im_init
	818
	819
	820	!------------------------------------------------------------------------------!
	821	! Description:
	822	! ------------
	823	!> Main part of the indoor model.
	824	!> Calculation of .... (kanani: Please describe)
	825	!------------------------------------------------------------------------------!
	826	SUBROUTINE im_main_heatcool
	827
	828	USE arrays_3d, &
	829	ONLY: ddzw, dzw
	830
	831	USE basic_constants_and_equations_mod, &
	832	ONLY: c_p
	833
	834	USE control_parameters, &
	835	ONLY: rho_surface
	836
	837	USE date_and_time_mod, &
	838	ONLY: time_utc
	839
	840	USE grid_variables, &
	841	ONLY: dx, dy
	842
	843	USE pegrid
	844
	845	USE surface_mod, &
	846	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
	847
	848	USE urban_surface_mod, &
[3597]	849	ONLY: nzt_wall, t_wall_h, t_wall_v, t_window_h, t_window_v, &
	850	building_type
[3469]	851
	852
	853	IMPLICIT NONE
	854
	855	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
	856	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
	857	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
	858	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
	859	INTEGER(iwp) :: l !< running index for surface-element orientation
	860	INTEGER(iwp) :: m !< running index surface elements
	861	INTEGER(iwp) :: nb !< running index for buildings
	862	INTEGER(iwp) :: fa !< running index for facade elements of each building
	863
	864	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	865	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
	866	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
	867
	868	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
	869	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
	870
	871	!
	872	!-- Daily schedule, here for 08:00-18:00 = 1, other hours = 0.
	873	!-- time_utc_hour is calculated here based on time_utc [s] from
	874	!-- date_and_time_mod.
	875	!-- (kanani: Does this schedule not depend on if it's an office or resident
	876	!-- building?)
	877	time_utc_hour = time_utc / 3600.0_wp
	878
	879	!
	880	!-- Allocation of the load profiles to the building types
	881	!-- Residental Building, panel WBS 70
	882	if (building_type == 1 .OR. &
	883	building_type == 2 .OR. &
	884	building_type == 3 .OR. &
	885	building_type == 10 .OR. &
	886	building_type == 11 .OR. &
	887	building_type == 12) then
	888	ventilation_int_loads = 1
	889	!-- Office, building with large windows
	890	else if (building_type == 4 .OR. &
	891	building_type == 5 .OR. &
	892	building_type == 6 .OR. &
	893	building_type == 7 .OR. &
	894	building_type == 8 .OR. &
	895	building_type == 9) then
	896	ventilation_int_loads = 2
	897	!-- Industry, hospitals
	898	else if (building_type == 13 .OR. &
	899	building_type == 14 .OR. &
	900	building_type == 15 .OR. &
	901	building_type == 16 .OR. &
	902	building_type == 17 .OR. &
	903	building_type == 18) then
	904	ventilation_int_loads = 3
	905
	906	end if
	907
	908	!-- Residental Building, panel WBS 70
	909
	910	if (ventilation_int_loads == 1) THEN
	911	if ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 8.0_wp ) THEN
	912	schedule_d = 1
	913	else if ( time_utc_hour >= 18.0_wp .AND. time_utc_hour <= 23.0_wp ) THEN
	914	schedule_d = 1
	915	else
	916	schedule_d = 0
	917	end if
	918	end if
	919
	920	!-- Office, building with large windows
	921
	922	if (ventilation_int_loads == 2) THEN
	923	if ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
	924	schedule_d = 1
	925	else
	926	schedule_d = 0
	927	end if
	928	end if
	929
	930	!-- Industry, hospitals
	931	if (ventilation_int_loads == 3) THEN
	932	if ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
	933	schedule_d = 1
	934	else
	935	schedule_d = 0
	936	end if
	937	end if
	938
	939
	940	!
	941	!-- Following calculations must be done for each facade element.
	942	DO nb = 1, num_build
	943	!
	944	!-- First, check whether building is present on local subdomain.
	945	IF ( buildings(nb)%on_pe ) THEN
	946	!
	947	!-- Initialize/reset indoor temperature
	948	buildings(nb)%t_in = 0.0_wp
	949	buildings(nb)%t_in_l = 0.0_wp
	950	!
	951	!-- Horizontal surfaces
	952	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
	953	!
	954	!-- Determine index where corresponding surface-type information
	955	!-- is stored.
	956	m = buildings(nb)%m_h(fa)
	957	!
	958	!-- Determine building height level index.
	959	kk = surf_usm_h%k(m) + surf_usm_h%koff
	960	!
	961	!-- Building geometries --> not time-dependent
	962	facade_element_area = dx * dy !< [m2] surface area per facade element
	963	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
	964	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
	965	window_area_per_facade = surf_usm_h%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
	966	eff_mass_area = factor_a * floor_area_per_facade !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
	967	c_m = factor_c * floor_area_per_facade !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
	968	total_area = lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
	969
	970	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	971	h_tr_w = window_area_per_facade * u_value_win !< [W/K] only for windows
	972	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
	973	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
	974	h_tr_op = 1 / ( 1 / ( ( facade_element_area - window_area_per_facade ) &
	975	* lambda_layer3 / s_layer3 * 0.5 ) + 1 / h_tr_ms )
	976	h_tr_em = 1 / ( 1 / h_tr_op - 1 / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
	977	!
	978	!-- internal air loads dependent on the occupacy of the room
	979	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
	980	phi_ia = 0.5 * ( ( qint_high * schedule_d + qint_low ) &
	981	* floor_area_per_facade ) !< [W] Eq. (C.1)
	982	!
	983	!-- Airflow dependent on the occupacy of the room
	984	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
	985	air_change = ( air_change_high * schedule_d + air_change_low ) !< [1/h]?
	986	!
	987	!-- Heat transfer of ventilation
	988	!-- not less than 0.01 W/K to provide division by 0 in further calculations
	989	!-- with heat capacity of air 0.33 Wh/m2K
[3524]	990	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	991	0.33_wp * (1 - eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
[3469]	992
	993	!-- Heat transfer coefficient auxiliary variables
	994	h_tr_1 = 1 / ( ( 1 / h_ve ) + ( 1 / h_tr_is ) ) !< [W/K] Eq. (C.6)
	995	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
	996	h_tr_3 = 1 / ( ( 1 / h_tr_2 ) + ( 1 / h_tr_ms ) ) !< [W/K] Eq. (C.8)
	997	!
	998	!-- Net short-wave radiation through window area (was i_global)
	999	net_sw_in = surf_usm_h%rad_sw_in(m) - surf_usm_h%rad_sw_out(m)
	1000	!
	1001	!-- Quantities needed for im_calc_temperatures
	1002	i = surf_usm_h%i(m)
	1003	j = surf_usm_h%j(m)
	1004	k = surf_usm_h%k(m)
[3597]	1005	near_facade_temperature = surf_usm_h%pt_10cm(m)
[3469]	1006	indoor_wall_window_temperature = &
	1007	surf_usm_h%frac(ind_veg_wall,m) * t_wall_h(nzt_wall,m) &
	1008	+ surf_usm_h%frac(ind_wat_win,m) * t_window_h(nzt_wall,m)
	1009	!
	1010	!-- Solar thermal gains. If net_sw_in larger than sun-protection
	1011	!-- threshold parameter (params_solar_protection), sun protection will
	1012	!-- be activated
	1013	IF ( net_sw_in <= params_solar_protection ) THEN
	1014	solar_protection_off = 1
	1015	solar_protection_on = 0
	1016	ELSE
	1017	solar_protection_off = 0
	1018	solar_protection_on = 1
	1019	ENDIF
	1020	!
	1021	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
	1022	!-- DIN 4108 - 2 chap.8
	1023	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1024	+ window_area_per_facade * net_sw_in * f_c_win * solar_protection_on ) &
	1025	* g_value_win * ( 1 - params_f_f ) * params_f_w !< [W]
	1026	!
	1027	!-- Calculation of the mass specific thermal load for internal and external heatsources of the inner node
	1028	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
	1029	!
	1030	!-- Calculation mass specific thermal load implied non thermal mass
	1031	phi_st = ( 1 - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1 * total_area ) ) ) &
	1032	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
	1033	!
	1034	!-- Calculations for deriving indoor temperature and heat flux into the wall
	1035	!-- Step 1: Indoor temperature without heating and cooling
	1036	!-- section C.4.1 Picture C.2 zone 3)
	1037	phi_hc_nd = 0
	1038
	1039	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1040	near_facade_temperature, phi_hc_nd )
	1041	!
	1042	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
	1043	IF ( theta_int_h_set <= theta_air .AND. theta_air <= theta_int_c_set ) THEN
	1044	phi_hc_nd_ac = 0
	1045	phi_hc_nd = phi_hc_nd_ac
	1046	theta_air_ac = theta_air
	1047	!
	1048	!-- Step 2: Else, apply 10 W/mÂ² heating/cooling power and calculate indoor temperature
	1049	!-- again.
	1050	ELSE
	1051	!
	1052	!-- Temperature not correct, calculation method according to section C4.2
	1053	theta_air_0 = theta_air !< Note temperature without heating/cooling
	1054
	1055	!-- Heating or cooling?
	1056	IF ( theta_air > theta_int_c_set ) THEN
	1057	theta_air_set = theta_int_c_set
	1058	ELSE
	1059	theta_air_set = theta_int_h_set
	1060	ENDIF
	1061
	1062	!-- Calculate the temperature with phi_hc_nd_10
	1063	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1064	phi_hc_nd = phi_hc_nd_10
	1065
	1066	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1067	near_facade_temperature, phi_hc_nd )
	1068
	1069	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
	1070	!
	1071
	1072	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
	1073	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
	1074
	1075
	1076
	1077	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
	1078	!-- If necessary, limit the power to maximum power
	1079	!-- section C.4.1 Picture C.2 zone 2) and 4)
	1080	IF ( phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < phi_h_max ) THEN
	1081	phi_hc_nd_ac = phi_hc_nd_un
	1082	phi_hc_nd = phi_hc_nd_un
	1083	ELSE
	1084	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
	1085	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1086	IF ( phi_hc_nd_un > 0 ) THEN
	1087	phi_hc_nd_ac = phi_h_max !< Limit heating
	1088	ELSE
	1089	phi_hc_nd_ac = phi_c_max !< Limit cooling
	1090	ENDIF
	1091	ENDIF
	1092
	1093	phi_hc_nd = phi_hc_nd_ac
	1094	!
	1095	!-- Calculate the temperature with phi_hc_nd_ac (new)
	1096	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1097	near_facade_temperature, phi_hc_nd )
	1098
	1099	theta_air_ac = theta_air
	1100
	1101	ENDIF
	1102	!
	1103	!-- Update theta_m_t_prev
	1104	theta_m_t_prev = theta_m_t
	1105	!
	1106	!-- Calculate the operating temperature with weighted mean temperature of air and mean solar temperature
	1107	!-- Will be used for thermal comfort calculations
[3593]	1108	theta_op = 0.3 * theta_air_ac + 0.7 * theta_s !< [degree_C] operative Temperature Eq. (C.12)
[3469]	1109	!
	1110	!-- Heat flux into the wall. Value needed in urban_surface_mod to
	1111	!-- calculate heat transfer through wall layers towards the facade
	1112	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
	1113	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
	1114	/ ( facade_element_area &
	1115	- window_area_per_facade )
	1116	!
	1117	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
	1118	surf_usm_h%iwghf_eb(m) = q_wall_win
	1119	surf_usm_h%iwghf_eb_window(m) = q_wall_win
	1120	!
	1121	!-- Sum up operational indoor temperature per kk-level. Further below,
	1122	!-- this temperature is reduced by MPI to one temperature per kk-level
	1123	!-- and building (processor overlapping)
	1124	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1125	!
	1126	!-- Calculation of waste heat
	1127	!-- Anthropogenic heat output
	1128	IF ( phi_hc_nd_ac > 0 ) THEN
	1129	heating_on = 1
	1130	cooling_on = 0
	1131	ELSE
	1132	heating_on = 0
	1133	cooling_on = 1
	1134	ENDIF
	1135
	1136	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on)) !< [W/m2] anthropogenic heat output
	1137	! surf_usm_h%shf(m)=q_waste_heat
	1138
	1139	ENDDO !< Horizontal surfaces loop
	1140	!
	1141	!-- Vertical surfaces
	1142	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
	1143	!
	1144	!-- Determine indices where corresponding surface-type information
	1145	!-- is stored.
	1146	l = buildings(nb)%l_v(fa)
	1147	m = buildings(nb)%m_v(fa)
	1148	!
	1149	!-- Determine building height level index.
	1150	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	1151	!
	1152	!-- Building geometries --> not time-dependent
	1153	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk) !< [m2] surface area per facade element
	1154	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk) !< [m2] surface area per facade element
	1155	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
	1156	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
	1157	window_area_per_facade = surf_usm_v(l)%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
	1158	eff_mass_area = factor_a * floor_area_per_facade !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
	1159	c_m = factor_c * floor_area_per_facade !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
	1160	total_area = lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
	1161	!
	1162	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	1163	h_tr_w = window_area_per_facade * u_value_win !< [W/K] only for windows
	1164	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
	1165	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
	1166	h_tr_op = 1 / ( 1 / ( ( facade_element_area - window_area_per_facade ) &
	1167	* lambda_layer3 / s_layer3 * 0.5 ) + 1 / h_tr_ms )
	1168	h_tr_em = 1 / ( 1 / h_tr_op - 1 / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
	1169	!
	1170	!-- internal air loads dependent on the occupacy of the room
	1171	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
	1172	phi_ia = 0.5 * ( ( qint_high * schedule_d + qint_low ) &
	1173	* floor_area_per_facade ) !< [W] Eq. (C.1)
	1174	!
	1175	!-- Airflow dependent on the occupacy of the room
	1176	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
	1177	air_change = ( air_change_high * schedule_d + air_change_low )
	1178	!
	1179	!-- Heat transfer of ventilation
	1180	!-- not less than 0.01 W/K to provide division by 0 in further calculations
	1181	!-- with heat capacity of air 0.33 Wh/m2K
[3524]	1182	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	1183	0.33_wp * (1 - eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
[3469]	1184
	1185	!-- Heat transfer coefficient auxiliary variables
	1186	h_tr_1 = 1 / ( ( 1 / h_ve ) + ( 1 / h_tr_is ) ) !< [W/K] Eq. (C.6)
	1187	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
	1188	h_tr_3 = 1 / ( ( 1 / h_tr_2 ) + ( 1 / h_tr_ms ) ) !< [W/K] Eq. (C.8)
	1189	!
	1190	!-- Net short-wave radiation through window area (was i_global)
	1191	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
	1192	!
	1193	!-- Quantities needed for im_calc_temperatures
	1194	i = surf_usm_v(l)%i(m)
	1195	j = surf_usm_v(l)%j(m)
	1196	k = surf_usm_v(l)%k(m)
[3597]	1197	near_facade_temperature = surf_usm_v(l)%pt_10cm(m)
[3469]	1198	indoor_wall_window_temperature = &
	1199	surf_usm_v(l)%frac(ind_veg_wall,m) * t_wall_v(l)%t(nzt_wall,m) &
	1200	+ surf_usm_v(l)%frac(ind_wat_win,m) * t_window_v(l)%t(nzt_wall,m)
	1201	!
	1202	!-- Solar thermal gains. If net_sw_in larger than sun-protection
	1203	!-- threshold parameter (params_solar_protection), sun protection will
	1204	!-- be activated
	1205	IF ( net_sw_in <= params_solar_protection ) THEN
	1206	solar_protection_off = 1
	1207	solar_protection_on = 0
	1208	ELSE
	1209	solar_protection_off = 0
	1210	solar_protection_on = 1
	1211	ENDIF
	1212	!
	1213	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
	1214	!-- DIN 4108 - 2 chap.8
	1215	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1216	+ window_area_per_facade * net_sw_in * f_c_win * solar_protection_on ) &
	1217	* g_value_win * ( 1 - params_f_f ) * params_f_w
	1218	!
	1219	!-- Calculation of the mass specific thermal load for internal and external heatsources
	1220	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
	1221	!
	1222	!-- Calculation mass specific thermal load implied non thermal mass
	1223	phi_st = ( 1 - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1 * total_area ) ) ) &
	1224	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
	1225	!
	1226	!-- Calculations for deriving indoor temperature and heat flux into the wall
	1227	!-- Step 1: Indoor temperature without heating and cooling
	1228	!-- section C.4.1 Picture C.2 zone 3)
	1229	phi_hc_nd = 0
	1230
	1231	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1232	near_facade_temperature, phi_hc_nd )
	1233	!
	1234	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
	1235	IF ( theta_int_h_set <= theta_air .AND. theta_air <= theta_int_c_set ) THEN
	1236	phi_hc_nd_ac = 0
	1237	phi_hc_nd = phi_hc_nd_ac
	1238	theta_air_ac = theta_air
	1239	!
	1240	!-- Step 2: Else, apply 10 W/mÂ² heating/cooling power and calculate indoor temperature
	1241	!-- again.
	1242	ELSE
	1243	!
	1244	!-- Temperature not correct, calculation method according to section C4.2
	1245	theta_air_0 = theta_air !< Note temperature without heating/cooling
	1246
	1247	!-- Heating or cooling?
	1248	IF ( theta_air > theta_int_c_set ) THEN
	1249	theta_air_set = theta_int_c_set
	1250	ELSE
	1251	theta_air_set = theta_int_h_set
	1252	ENDIF
	1253
	1254	!-- Calculate the temperature with phi_hc_nd_10
	1255	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1256	phi_hc_nd = phi_hc_nd_10
	1257
	1258	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1259	near_facade_temperature, phi_hc_nd )
	1260
	1261	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
	1262
	1263
	1264	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
	1265	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
	1266	!
	1267	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
	1268	!-- If necessary, limit the power to maximum power
	1269	!-- section C.4.1 Picture C.2 zone 2) and 4)
	1270	IF ( phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < phi_h_max ) THEN
	1271	phi_hc_nd_ac = phi_hc_nd_un
	1272	phi_hc_nd = phi_hc_nd_un
	1273	ELSE
	1274	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
	1275	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1276	IF ( phi_hc_nd_un > 0 ) THEN
	1277	phi_hc_nd_ac = phi_h_max !< Limit heating
	1278	ELSE
	1279	phi_hc_nd_ac = phi_c_max !< Limit cooling
	1280	ENDIF
	1281	ENDIF
	1282
	1283	phi_hc_nd = phi_hc_nd_ac
	1284	!
	1285	!-- Calculate the temperature with phi_hc_nd_ac (new)
	1286	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1287	near_facade_temperature, phi_hc_nd )
	1288
	1289	theta_air_ac = theta_air
	1290
	1291	ENDIF
	1292	!
	1293	!-- Update theta_m_t_prev
	1294	theta_m_t_prev = theta_m_t
	1295	!
	1296	!-- Calculate the operating temperature with weighted mean of temperature of air and mean
	1297	!-- Will be used for thermal comfort calculations
	1298	theta_op = 0.3 * theta_air_ac + 0.7 * theta_s
	1299	!
	1300	!-- Heat flux into the wall. Value needed in urban_surface_mod to
	1301	!-- calculate heat transfer through wall layers towards the facade
	1302	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
	1303	/ ( facade_element_area &
	1304	- window_area_per_facade )
	1305	!
	1306	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
	1307	surf_usm_v(l)%iwghf_eb(m) = q_wall_win
	1308	surf_usm_v(l)%iwghf_eb_window(m) = q_wall_win
	1309	!
	1310	!-- Sum up operational indoor temperature per kk-level. Further below,
	1311	!-- this temperature is reduced by MPI to one temperature per kk-level
	1312	!-- and building (processor overlapping)
	1313	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1314
	1315	!
	1316	!-- Calculation of waste heat
	1317	!-- Anthropogenic heat output
	1318	IF ( phi_hc_nd_ac > 0 ) THEN
	1319	heating_on = 1
	1320	cooling_on = 0
	1321	ELSE
	1322	heating_on = 0
	1323	cooling_on = 1
	1324	ENDIF
	1325
	1326	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on)) !< [W/m2] , anthropogenic heat output
	1327	! surf_usm_v(l)%waste_heat(m)=q_waste_heat
	1328
	1329	ENDDO !< Vertical surfaces loop
	1330
	1331	ENDIF !< buildings(nb)%on_pe
	1332	ENDDO !< buildings loop
	1333
	1334	!
	1335	!-- Determine total number of facade elements per building and assign number to
	1336	!-- building data type.
	1337	DO nb = 1, num_build
	1338	!
	1339	!-- Allocate dummy array used for summing-up facade elements.
	1340	!-- Please note, dummy arguments are necessary as building-date type
	1341	!-- arrays are not necessarily allocated on all PEs.
	1342	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1343	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1344	t_in_l_send = 0.0_wp
	1345	t_in_recv = 0.0_wp
	1346
	1347	IF ( buildings(nb)%on_pe ) THEN
	1348	t_in_l_send = buildings(nb)%t_in_l
	1349	ENDIF
	1350
	1351	#if defined( __parallel )
	1352	CALL MPI_ALLREDUCE( t_in_l_send, &
	1353	t_in_recv, &
	1354	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	1355	MPI_REAL, &
	1356	MPI_SUM, &
	1357	comm2d, &
	1358	ierr )
	1359
	1360	IF ( ALLOCATED( buildings(nb)%t_in ) ) &
	1361	buildings(nb)%t_in = t_in_recv
	1362	#else
	1363	buildings(nb)%t_in = buildings(nb)%t_in_l
	1364	#endif
	1365
	1366	buildings(nb)%t_in = buildings(nb)%t_in / &
	1367	( buildings(nb)%num_facade_h + &
	1368	buildings(nb)%num_facade_v )
	1369	!
	1370	!-- Deallocate dummy arrays
	1371	DEALLOCATE( t_in_l_send )
	1372	DEALLOCATE( t_in_recv )
	1373
	1374	ENDDO
	1375
	1376
	1377	END SUBROUTINE im_main_heatcool
	1378
	1379	!------------------------------------------------------------------------------!
	1380	! Description:
	1381	! ------------
	1382	!> Parin for &indoor_parameters for indoor model
	1383	!------------------------------------------------------------------------------!
	1384	SUBROUTINE im_parin
	1385
	1386	USE control_parameters, &
	1387	ONLY: indoor_model
	1388
	1389	IMPLICIT NONE
	1390
	1391	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
	1392
	1393
	1394
	1395	NAMELIST /indoor_parameters/ building_type, dt_indoor, &
	1396	initial_indoor_temperature
	1397
	1398	! line = ' '
	1399
	1400	!
	1401	!-- Try to find indoor model package
	1402	REWIND ( 11 )
	1403	line = ' '
	1404	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
	1405	READ ( 11, '(A)', END=10 ) line
	1406	! PRINT*, 'line: ', line
	1407	ENDDO
	1408	BACKSPACE ( 11 )
	1409
	1410	!
	1411	!-- Read user-defined namelist
	1412	READ ( 11, indoor_parameters )
	1413	!
	1414	!-- Set flag that indicates that the indoor model is switched on
	1415	indoor_model = .TRUE.
	1416
	1417	!
	1418	!-- Activate spinup (maybe later
	1419	! IF ( spinup_time > 0.0_wp ) THEN
	1420	! coupling_start_time = spinup_time
	1421	! end_time = end_time + spinup_time
	1422	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
	1423	! spinup_pt_mean = pt_surface
	1424	! ENDIF
	1425	! spinup = .TRUE.
	1426	! ENDIF
	1427
	1428	10 CONTINUE
	1429
	1430	END SUBROUTINE im_parin
	1431
	1432
	1433	END MODULE indoor_model_mod

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