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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 4657

Last change on this file since 4657 was 4646, checked in by raasch, 4 years ago
files re-formatted to follow the PALM coding standard
Property svn:keywords set to `Id`
File size: 103.2 KB

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[4246]	1	!> @file indoor_model_mod.f90
[4646]	2	!--------------------------------------------------------------------------------------------------!
[4246]	3	! This file is part of the PALM model system.
	4	!
[4646]	5	! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General
	6	! Public License as published by the Free Software Foundation, either version 3 of the License, or
	7	! (at your option) any later version.
[4246]	8	!
[4646]	9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
	10	! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
	11	! Public License for more details.
[4246]	12	!
[4646]	13	! You should have received a copy of the GNU General Public License along with PALM. If not, see
	14	! <http://www.gnu.org/licenses/>.
[4246]	15	!
[4481]	16	! Copyright 2018-2020 Leibniz Universitaet Hannover
	17	! Copyright 2018-2020 Hochschule Offenburg
[4646]	18	!--------------------------------------------------------------------------------------------------!
[4246]	19	!
	20	! Current revisions:
	21	! -----------------
[4646]	22	!
	23	!
[4246]	24	! Former revisions:
	25	! -----------------
	26	! $Id: indoor_model_mod.f90 4646 2020-08-24 16:02:40Z pavelkrc $
[4646]	27	! file re-formatted to follow the PALM coding standard
	28	!
	29	! 4481 2020-03-31 18:55:54Z maronga
	30	! Change order of dimension in surface array %frac to allow for better vectorization.
	31	!
[4442]	32	! 4441 2020-03-04 19:20:35Z suehring
[4646]	33	! Major bugfix in calculation of energy demand - floor-area-per-facade was wrongly calculated
	34	! leading to unrealistically high energy demands and thus to unreallistically high waste-heat
	35	! fluxes.
	36	!
[4402]	37	! 4346 2019-12-18 11:55:56Z motisi
[4646]	38	! Introduction of wall_flags_total_0, which currently sets bits based on static topography
	39	! information used in wall_flags_static_0
	40	!
[4346]	41	! 4329 2019-12-10 15:46:36Z motisi
[4329]	42	! Renamed wall_flags_0 to wall_flags_static_0
[4646]	43	!
[4329]	44	! 4310 2019-11-26 19:01:28Z suehring
[4646]	45	! Remove dt_indoor from namelist input. The indoor model is an hourly-based model, calling it
	46	! more/less often lead to inaccurate results.
	47	!
[4310]	48	! 4299 2019-11-22 10:13:38Z suehring
[4646]	49	! Output of indoor temperature revised (to avoid non-defined values within buildings)
	50	!
[4299]	51	! 4267 2019-10-16 18:58:49Z suehring
[4267]	52	! Bugfix in initialization, some indices to access building_pars where wrong.
	53	! Introduction of seasonal parameters.
[4646]	54	!
[4267]	55	! 4246 2019-09-30 09:27:52Z pavelkrc
[4646]	56	!
	57	!
[4245]	58	! 4242 2019-09-27 12:59:10Z suehring
[4246]	59	! Bugfix in array index
[4646]	60	!
[4246]	61	! 4238 2019-09-25 16:06:01Z suehring
	62	! - Bugfix in determination of minimum facade height and in location message
	63	! - Bugfix, avoid division by zero
[4646]	64	! - Some optimization
	65	!
[4246]	66	! 4227 2019-09-10 18:04:34Z gronemeier
	67	! implement new palm_date_time_mod
	68	!
	69	! 4217 2019-09-04 09:47:05Z scharf
	70	! Corrected "Former revisions" section
	71	!
	72	! 4209 2019-09-02 12:00:03Z suehring
	73	! - Bugfix in initialization of indoor temperature
[4646]	74	! - Prescibe default indoor temperature in case it is not given in the namelist input
[4246]	75	!
	76	! 4182 2019-08-21 14:37:54Z scharf
	77	! Corrected "Former revisions" section
[4646]	78	!
[4246]	79	! 4148 2019-08-08 11:26:00Z suehring
[4646]	80	! Bugfix in case of non grid-resolved buildings. Further, vertical grid spacing is now considered at
	81	! the correct level.
[4246]	82	! - change calculation of a_m and c_m
	83	! - change calculation of u-values (use h_es in building array)
	84	! - rename h_tr_... to h_t_...
	85	! h_tr_em to h_t_wm
	86	! h_tr_op to h_t_wall
	87	! h_tr_w to h_t_es
	88	! - rename h_ve to h_v
	89	! - rename h_is to h_ms
	90	! - inserted net_floor_area
	91	! - inserted params_waste_heat_h, params_waste_heat_c from building database
	92	! in building array
	93	! - change calculation of q_waste_heat
[4646]	94	! - bugfix in averaging mean indoor temperature
	95	!
[4246]	96	! 3759 2019-02-21 15:53:45Z suehring
	97	! - Calculation of total building volume
	98	! - Several bugfixes
	99	! - Calculation of building height revised
[4646]	100	!
[4246]	101	! 3745 2019-02-15 18:57:56Z suehring
	102	! - remove building_type from module
[4646]	103	! - initialize parameters for each building individually instead of a bulk initializaion with
	104	! identical building type for all
[4246]	105	! - output revised
	106	! - add missing _wp
	107	! - some restructuring of variables in building data structure
[4646]	108	!
[4246]	109	! 3744 2019-02-15 18:38:58Z suehring
	110	! Some interface calls moved to module_interface + cleanup
[4646]	111	!
[4246]	112	! 3469 2018-10-30 20:05:07Z kanani
	113	! Initial revision (tlang, suehring, kanani, srissman)!
	114	!
	115	! Authors:
	116	! --------
	117	! @author Tobias Lang
	118	! @author Jens Pfafferott
	119	! @author Farah Kanani-Suehring
	120	! @author Matthias Suehring
	121	! @author Sascha RiÃmann
	122	!
	123	!
	124	! Description:
	125	! ------------
	126	!> Module for Indoor Climate Model (ICM)
	127	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
	128	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
[4646]	129	!> This module differs between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine
	130	!> thermal comfort
	131	!> the heat transfer between indoor and outdoor is simplified
[4246]	132
[4646]	133	!> @todo Many statement comments that are given as doxygen comments need to be changed to normal comments
[4246]	134	!> @todo Replace window_area_per_facade by %frac(1,m) for window
[4646]	135	!> @todo emissivity change for window blinds if solar_protection_on=1
[4246]	136
	137	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
	138	!> @note How to write indoor temperature output to pt array?
	139	!>
	140	!> @bug <Enter known bugs here>
[4646]	141	!--------------------------------------------------------------------------------------------------!
	142	MODULE indoor_model_mod
[4246]	143
[4646]	144	USE arrays_3d, &
	145	ONLY: ddzw, &
	146	dzw, &
[4402]	147	pt
	148
[4646]	149	USE control_parameters, &
[4246]	150	ONLY: initializing_actions
	151
	152	USE kinds
[4646]	153
	154	USE netcdf_data_input_mod, &
[4246]	155	ONLY: building_id_f, building_type_f
	156
[4646]	157	USE palm_date_time_mod, &
	158	ONLY: get_date_time, northward_equinox, seconds_per_hour, southward_equinox
[4267]	159
[4646]	160	USE surface_mod, &
[4246]	161	ONLY: surf_usm_h, surf_usm_v
	162
	163
	164	IMPLICIT NONE
	165
	166	!
	167	!-- Define data structure for buidlings.
	168	TYPE build
	169
	170	INTEGER(iwp) :: id !< building ID
[4646]	171	INTEGER(iwp) :: kb_max !< highest vertical index of a building
[4246]	172	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
	173	INTEGER(iwp) :: num_facades_per_building_h = 0 !< total number of horizontal facades elements
	174	INTEGER(iwp) :: num_facades_per_building_h_l = 0 !< number of horizontal facade elements on local subdomain
	175	INTEGER(iwp) :: num_facades_per_building_v = 0 !< total number of vertical facades elements
	176	INTEGER(iwp) :: num_facades_per_building_v_l = 0 !< number of vertical facade elements on local subdomain
	177	INTEGER(iwp) :: ventilation_int_loads !< [-] allocation of activity in the building
	178
	179	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
[4646]	180	!< for vertical surfaces with building
[4246]	181	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
	182	!< horizontal surfaces with building
[4646]	183	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
[4246]	184	!< vertical surfaces with building
[4646]	185	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
[4246]	186	!< and height level
	187	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
	188	!< and height level
	189
[4646]	190
[4246]	191	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
[4646]	192
[4246]	193	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
	194	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
	195	REAL(wp) :: area_facade !< [m2] area of total facade
	196	REAL(wp) :: building_height !< building height
	197	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
	198	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5
	199	!< (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
[4646]	200	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000
[4246]	201	!< (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
	202	REAL(wp) :: f_c_win !< [-] shading factor
[4402]	203	REAL(wp) :: fapf !< [m2/m2] floor area per facade
[4246]	204	REAL(wp) :: g_value_win !< [-] SHGC factor
[4646]	205	REAL(wp) :: h_es !< [W/(m2 K)] surface-related heat transfer coefficient between extern and surface
[4246]	206	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
	207	REAL(wp) :: height_storey !< [m] storey heigth
	208	REAL(wp) :: params_waste_heat_c !< [-] anthropogenic heat outputs for cooling e.g. 1.33 for KKM with COP = 3
[4646]	209	REAL(wp) :: params_waste_heat_h !< [-] anthropogenic heat outputs for heating e.g. 1 - 0.9 = 0.1 for combustion with
	210	!< eta = 0.9 or -2 for WP with COP = 3
[4246]	211	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
	212	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (positive)
	213	REAL(wp) :: q_c_max !< [W/m2] Max. Cooling heat flux per netto floor area (negative)
	214	REAL(wp) :: q_h_max !< [W/m2] Max. Heating heat flux per netto floor area (positive)
	215	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
	216	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
	217	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
	218	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
	219	REAL(wp) :: net_floor_area !< [m2] netto ground area
	220	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
	221	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
	222	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
	223	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
	224	REAL(wp) :: vol_tot !< [m3] total building volume
	225
	226	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
	227	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
	228	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
	229	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
	230	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
[4646]	231
[4246]	232	END TYPE build
	233
	234	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
	235
	236	INTEGER(iwp) :: num_build !< total number of buildings in domain
	237	!
	238	!-- Declare all global variables within the module
[4646]	239
	240	REAL(wp), PARAMETER :: dt_indoor = 3600.0_wp !< [s] time interval for indoor-model application, fixed to
	241	!< 3600.0 due to model requirements
	242	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
	243	!< surface and air (chap. 7.2.2.2)
	244	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
	245	!< component and surface (chap. 12.2.2)
	246	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly
	247	!< cooling 2.0_wp
	248	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall
	249	!< DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
	250	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus
	251	!< Datenbank 27 window_area_per_facade_percent
	252	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation
	253	!< on facade exceeds this value
	254
[4246]	255	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
	256	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
	257	INTEGER(iwp) :: solar_protection_off !< Solar protection off
	258	INTEGER(iwp) :: solar_protection_on !< Solar protection on
	259
[4310]	260
[4246]	261	REAL(wp) :: a_m !< [m2] the effective mass-related area
	262	REAL(wp) :: air_change !< [1/h] Airflow
	263	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
	264	REAL(wp) :: facade_element_area !< [m2_facade] building surface facade
	265	REAL(wp) :: floor_area_per_facade !< [m2/m2] floor area per facade area
	266	REAL(wp) :: h_t_1 !< [W/K] Heat transfer coefficient auxiliary variable 1
	267	REAL(wp) :: h_t_2 !< [W/K] Heat transfer coefficient auxiliary variable 2
[4646]	268	REAL(wp) :: h_t_3 !< [W/K] Heat transfer coefficient auxiliary variable 3
	269	REAL(wp) :: h_t_es !< [W/K] heat transfer coefficient of doors, windows, curtain walls and
	270	!< glazed walls (assumption: thermal mass=0)
[4246]	271	REAL(wp) :: h_t_is !< [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
	272	REAL(wp) :: h_t_ms !< [W/K] Heat transfer conductance term (got with h_t_wm the thermal mass)
	273	REAL(wp) :: h_t_wall !< [W/K] heat transfer coefficient of opaque components (assumption: got all
	274	!< thermal mass) contains of h_t_wm and h_t_ms
[4646]	275	REAL(wp) :: h_t_wm !< [W/K] Heat transfer coefficient of the emmision (got with h_t_ms the
	276	!< thermal mass)
[4246]	277	REAL(wp) :: h_v !< [W/K] heat transfer of ventilation
	278	REAL(wp) :: indoor_volume_per_facade !< [m3] indoor air volume per facade element
	279	REAL(wp) :: initial_indoor_temperature = 293.15 !< [K] initial indoor temperature (namelist parameter)
	280	REAL(wp) :: net_sw_in !< [W/m2] net short-wave radiation
	281	REAL(wp) :: phi_hc_nd !< [W] heating demand and/or cooling demand
[4646]	282	REAL(wp) :: phi_hc_nd_10 !< [W] heating demand and/or cooling demand for heating or cooling
[4246]	283	REAL(wp) :: phi_hc_nd_ac !< [W] actual heating demand and/or cooling demand
	284	REAL(wp) :: phi_hc_nd_un !< [W] unlimited heating demand and/or cooling demand which is necessary to
[4646]	285	!< reach the demanded required temperature (heating is positive,
	286	!< cooling is negative)
[4246]	287	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
	288	REAL(wp) :: phi_m !< [W] mass specific thermal load (internal and external)
	289	REAL(wp) :: phi_mtot !< [W] total mass specific thermal load (internal and external)
	290	REAL(wp) :: phi_sol !< [W] solar loads
[4646]	291	REAL(wp) :: phi_st !< [W] mass specific thermal load implied non thermal mass
[4246]	292	REAL(wp) :: q_wall_win !< [W/m2]heat flux from indoor into wall/window
	293	REAL(wp) :: q_waste_heat !< [W/m2]waste heat, sum of waste heat over the roof to Palm
[4646]	294
[4246]	295	REAL(wp) :: q_c_m !< [W] Energy of thermal storage mass specific thermal load for internal
	296	!< and external heatsources (for energy bilanz)
[4646]	297	REAL(wp) :: q_c_st !< [W] Energy of thermal storage mass specific thermal load implied non
	298	!< thermal mass (for energy bilanz)
[4246]	299	REAL(wp) :: q_int !< [W] Energy of internal air load (for energy bilanz)
	300	REAL(wp) :: q_sol !< [W] Energy of solar (for energy bilanz)
	301	REAL(wp) :: q_trans !< [W] Energy of transmission (for energy bilanz)
	302	REAL(wp) :: q_vent !< [W] Energy of ventilation (for energy bilanz)
[4646]	303
[4246]	304	REAL(wp) :: schedule_d !< [-] activation for internal loads (low or high + low)
	305	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
	306	REAL(wp) :: theta_air !< [degree_C] air temperature of the RC-node
	307	REAL(wp) :: theta_air_0 !< [degree_C] air temperature of the RC-node in equilibrium
[4646]	308	REAL(wp) :: theta_air_10 !< [degree_C] air temperature of the RC-node from a heating capacity
[4246]	309	!< of 10 W/m2
	310	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
	311	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
	312	REAL(wp) :: theta_m !< [degree_C} inner temperature of the RC-node
	313	REAL(wp) :: theta_m_t !< [degree_C] (Fictive) component temperature timestep
	314	REAL(wp) :: theta_m_t_prev !< [degree_C] (Fictive) component temperature previous timestep (do not change)
	315	REAL(wp) :: theta_op !< [degree_C] operative temperature
	316	REAL(wp) :: theta_s !< [degree_C] surface temperature of the RC-node
	317	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
	318	REAL(wp) :: total_area !< [m2] area of all surfaces pointing to zone
	319	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
[4646]	320
[4267]	321	!
	322	!-- Definition of seasonal parameters, summer and winter, for different building types
[4646]	323	REAL(wp), DIMENSION(0:1,1:7) :: summer_pars = RESHAPE( (/ & ! building_type 1
	324	0.5_wp, & ! basical airflow without occupancy of the room
	325	2.0_wp, & ! additional airflow depend of occupancy of the room
	326	0.5_wp, & ! building_type 2: basical airflow without occupancy
	327	! of the room
	328	2.0_wp, & ! additional airflow depend of occupancy of the room
	329	0.8_wp, & ! building_type 3: basical airflow without occupancy
	330	! of the room
	331	2.0_wp, & ! additional airflow depend of occupancy of the room
	332	0.1_wp, & ! building_type 4: basical airflow without occupancy
	333	! of the room
	334	1.5_wp, & ! additional airflow depend of occupancy of the room
	335	0.1_wp, & ! building_type 5: basical airflow without occupancy
	336	! of the room
	337	1.5_wp, & ! additional airflow depend of occupancy of the room
	338	0.1_wp, & ! building_type 6: basical airflow without occupancy
	339	! of the room
	340	1.5_wp, & ! additional airflow depend of occupancy of the room
	341	0.1_wp, & ! building_type 7: basical airflow without occupancy
	342	! of the room
	343	1.5_wp & ! additional airflow depend of occupancy of the room
[4267]	344	/), (/ 2, 7 /) )
[4246]	345
[4646]	346	REAL(wp), DIMENSION(0:1,1:7) :: winter_pars = RESHAPE( (/ & ! building_type 1
	347	0.1_wp, & ! basical airflow without occupancy of the room
	348	0.5_wp, & ! additional airflow depend of occupancy of the room
	349	0.1_wp, & ! building_type 2: basical airflow without occupancy
	350	! of the room
	351	0.5_wp, & ! additional airflow depend of occupancy of the room
	352	0.1_wp, & ! building_type 3: basical airflow without occupancy
	353	! of the room
	354	0.5_wp, & ! additional airflow depend of occupancy of the room
	355	0.1_wp, & ! building_type 4: basical airflow without occupancy
	356	! of the room
	357	1.5_wp, & ! additional airflow depend of occupancy of the room
	358	0.1_wp, & ! building_type 5: basical airflow without occupancy
	359	! of the room
	360	1.5_wp, & ! additional airflow depend of occupancy of the room
	361	0.1_wp, & ! building_type 6: basical airflow without occupancy
	362	! of the room
	363	1.5_wp, & ! additional airflow depend of occupancy of the room
	364	0.1_wp, & ! building_type 7: basical airflow without occupancy
	365	! of the room
	366	1.5_wp & ! additional airflow depend of occupancy of the room
[4267]	367	/), (/ 2, 7 /) )
	368
[4246]	369	SAVE
	370
	371
	372	PRIVATE
[4646]	373
[4246]	374	!
	375	!-- Add INTERFACES that must be available to other modules
[4646]	376	PUBLIC im_init, im_main_heatcool, im_parin, im_define_netcdf_grid, im_check_data_output, &
	377	im_data_output_3d, im_check_parameters
[4246]	378
[4646]	379
[4246]	380	!
	381	!-- Add VARIABLES that must be available to other modules
	382	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
	383
	384	!
	385	!-- PALM interfaces:
	386	!-- Data output checks for 2D/3D data to be done in check_parameters
	387	INTERFACE im_check_data_output
	388	MODULE PROCEDURE im_check_data_output
	389	END INTERFACE im_check_data_output
	390	!
	391	!-- Input parameter checks to be done in check_parameters
	392	INTERFACE im_check_parameters
	393	MODULE PROCEDURE im_check_parameters
	394	END INTERFACE im_check_parameters
	395	!
	396	!-- Data output of 3D data
	397	INTERFACE im_data_output_3d
	398	MODULE PROCEDURE im_data_output_3d
	399	END INTERFACE im_data_output_3d
	400
	401	!
	402	!-- Definition of data output quantities
	403	INTERFACE im_define_netcdf_grid
	404	MODULE PROCEDURE im_define_netcdf_grid
	405	END INTERFACE im_define_netcdf_grid
[4646]	406	!
[4246]	407	! !
	408	! !-- Output of information to the header file
	409	! INTERFACE im_header
	410	! MODULE PROCEDURE im_header
	411	! END INTERFACE im_header
	412	!
[4646]	413	!-- Calculations for indoor temperatures
[4246]	414	INTERFACE im_calc_temperatures
	415	MODULE PROCEDURE im_calc_temperatures
	416	END INTERFACE im_calc_temperatures
	417	!
[4646]	418	!-- Initialization actions
[4246]	419	INTERFACE im_init
	420	MODULE PROCEDURE im_init
	421	END INTERFACE im_init
	422	!
[4646]	423	!-- Main part of indoor model
[4246]	424	INTERFACE im_main_heatcool
	425	MODULE PROCEDURE im_main_heatcool
	426	END INTERFACE im_main_heatcool
	427	!
	428	!-- Reading of NAMELIST parameters
	429	INTERFACE im_parin
	430	MODULE PROCEDURE im_parin
	431	END INTERFACE im_parin
	432
	433	CONTAINS
	434
[4646]	435	!--------------------------------------------------------------------------------------------------!
[4246]	436	! Description:
	437	! ------------
[4646]	438	!< Calculation of the air temperatures and mean radiation temperature.
	439	!< This is basis for the operative temperature.
	440	!< Based on a Crank-Nicholson scheme with a timestep of a hour.
	441	!--------------------------------------------------------------------------------------------------!
	442	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
[4246]	443	near_facade_temperature, phi_hc_nd_dummy )
[4402]	444
[4246]	445	INTEGER(iwp) :: i
	446	INTEGER(iwp) :: j
	447	INTEGER(iwp) :: k
[4646]	448
[4246]	449	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	450	REAL(wp) :: near_facade_temperature
	451	REAL(wp) :: phi_hc_nd_dummy
	452	!
	453	!-- Calculation of total mass specific thermal load (internal and external)
[4646]	454	phi_mtot = ( phi_m + h_t_wm * indoor_wall_window_temperature &
	455	+ h_t_3 * ( phi_st + h_t_es * pt(k,j,i) &
	456	+ h_t_1 * &
	457	( ( ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
	458	+ near_facade_temperature ) &
	459	) / h_t_2 &
[4246]	460	) !< [degree_C] Eq. (C.5)
[4646]	461	!
[4246]	462	!-- Calculation of component temperature at factual timestep
[4646]	463	theta_m_t = ( ( theta_m_t_prev &
	464	* ( ( c_m / 3600.0_wp ) - 0.5_wp * ( h_t_3 + h_t_wm ) ) &
	465	+ phi_mtot &
	466	) &
	467	/ ( ( c_m / 3600.0_wp ) + 0.5_wp * ( h_t_3 + h_t_wm ) ) &
[4246]	468	) !< [degree_C] Eq. (C.4)
	469	!
	470	!-- Calculation of mean inner temperature for the RC-node in actual timestep
	471	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5_wp !< [degree_C] Eq. (C.9)
[4646]	472
[4246]	473	!
	474	!-- Calculation of mean surface temperature of the RC-node in actual timestep
[4646]	475	theta_s = ( ( h_t_ms * theta_m + phi_st + h_t_es * pt(k,j,i) &
	476	+ h_t_1 * ( near_facade_temperature &
	477	+ ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
	478	) &
	479	/ ( h_t_ms + h_t_es + h_t_1 ) &
[4246]	480	) !< [degree_C] Eq. (C.10)
[4646]	481
[4246]	482	!
	483	!-- Calculation of the air temperature of the RC-node
[4646]	484	theta_air = ( h_t_is * theta_s + h_v * near_facade_temperature + phi_ia + phi_hc_nd_dummy ) / &
	485	( h_t_is + h_v ) !< [degree_C] Eq. (C.11)
[4246]	486
	487	END SUBROUTINE im_calc_temperatures
	488
[4646]	489
	490	!--------------------------------------------------------------------------------------------------!
[4246]	491	! Description:
	492	! ------------
	493	!> Initialization of the indoor model.
[4646]	494	!> Static information are calculated here, e.g. building parameters and geometrical information,
	495	!> anything that doesn't change in time.
[4246]	496	!
	497	!-- Input values
	498	!-- Input datas from Palm, M4
	499	! i_global --> net_sw_in !< global radiation [W/m2]
	500	! theta_e --> pt(k,j,i) !< undisturbed outside temperature, 1. PALM volume, for windows
	501	! theta_sup = theta_f --> surf_usm_h%pt_10cm(m)
[4646]	502	! surf_usm_v(l)%pt_10cm(m) !< Air temperature, facade near (10cm) air temperature from
	503	!< 1. Palm volume
[4246]	504	! theta_node --> t_wall_h(nzt_wall,m)
	505	! t_wall_v(l)%t(nzt_wall,m) !< Temperature of innermost wall layer, for opaque wall
[4646]	506	!--------------------------------------------------------------------------------------------------!
[4246]	507	SUBROUTINE im_init
	508
[4646]	509	USE control_parameters, &
[4267]	510	ONLY: message_string, time_since_reference_point
[4246]	511
[4646]	512	USE indices, &
[4346]	513	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_total_0
[4246]	514
[4646]	515	USE grid_variables, &
[4246]	516	ONLY: dx, dy
	517
	518	USE pegrid
	519
[4646]	520	USE surface_mod, &
[4246]	521	ONLY: surf_usm_h, surf_usm_v
[4646]	522
	523	USE urban_surface_mod, &
[4246]	524	ONLY: building_pars, building_type
	525
[4267]	526	INTEGER(iwp) :: bt !< local building type
	527	INTEGER(iwp) :: day_of_year !< day of the year
	528	INTEGER(iwp) :: i !< running index along x-direction
	529	INTEGER(iwp) :: j !< running index along y-direction
	530	INTEGER(iwp) :: k !< running index along z-direction
	531	INTEGER(iwp) :: l !< running index for surface-element orientation
	532	INTEGER(iwp) :: m !< running index surface elements
	533	INTEGER(iwp) :: n !< building index
	534	INTEGER(iwp) :: nb !< building index
[4246]	535
	536	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
[4646]	537	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
	538	!< multiple occurences are sorted out
[4246]	539	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
	540	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
	541	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
	542	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
	543	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
	544	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
	545	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
[4646]	546	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
[4246]	547	!< horizontal facade elements
[4646]	548	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
[4246]	549	!< vertical facade elements
[4646]	550	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
	551	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
	552
[4246]	553	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
	554	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
[4646]	555
[4246]	556	REAL(wp) :: u_tmp !< dummy for temporary calculation of u-value without h_is
	557	REAL(wp) :: du_tmp !< 1/u_tmp
	558	REAL(wp) :: du_win_tmp !< 1/building(nb)%u_value_win
	559	REAL(wp) :: facade_area_v !< dummy to compute the total facade area from vertical walls
	560
	561	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
	562	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
	563	!< on local subdomain
	564
	565	CALL location_message( 'initializing indoor model', 'start' )
	566	!
[4646]	567	!-- Initializing of indoor model is only possible if buildings can be distinguished by their IDs.
[4246]	568	IF ( .NOT. building_id_f%from_file ) THEN
	569	message_string = 'Indoor model requires information about building_id'
	570	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
	571	ENDIF
	572	!
	573	!-- Determine number of different building IDs on local subdomain.
	574	num_buildings_l = 0
	575	num_buildings = 0
	576	ALLOCATE( build_ids_l(1) )
	577	DO i = nxl, nxr
	578	DO j = nys, nyn
	579	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	580	IF ( num_buildings_l(myid) > 0 ) THEN
[4646]	581	IF ( ANY( building_id_f%var(j,i) == build_ids_l ) ) THEN
[4246]	582	CYCLE
	583	ELSE
	584	num_buildings_l(myid) = num_buildings_l(myid) + 1
	585	!
	586	!-- Resize array with different local building ids
	587	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
	588	build_ids_l_tmp = build_ids_l
	589	DEALLOCATE( build_ids_l )
	590	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
[4646]	591	build_ids_l(1:num_buildings_l(myid)-1) = &
	592	build_ids_l_tmp(1:num_buildings_l(myid)-1)
[4246]	593	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
	594	DEALLOCATE( build_ids_l_tmp )
	595	ENDIF
	596	!
[4646]	597	!-- First occuring building id on PE
	598	ELSE
[4246]	599	num_buildings_l(myid) = num_buildings_l(myid) + 1
	600	build_ids_l(1) = building_id_f%var(j,i)
	601	ENDIF
	602	ENDIF
	603	ENDDO
	604	ENDDO
	605	!
[4646]	606	!-- Determine number of building IDs for the entire domain. (Note, building IDs can appear multiple
	607	!-- times as buildings might be distributed over several PEs.)
	608	#if defined( __parallel )
	609	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, MPI_INTEGER, MPI_SUM, comm2d, &
	610	ierr )
[4246]	611	#else
	612	num_buildings = num_buildings_l
	613	#endif
	614	ALLOCATE( build_ids(1:SUM(num_buildings)) )
	615	!
[4646]	616	!-- Gather building IDs. Therefore, first, determine displacements used required for MPI_GATHERV
	617	!-- call.
[4246]	618	ALLOCATE( displace_dum(0:numprocs-1) )
	619	displace_dum(0) = 0
	620	DO i = 1, numprocs-1
	621	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
	622	ENDDO
	623
[4646]	624	#if defined( __parallel )
	625	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
	626	num_buildings(myid), &
	627	MPI_INTEGER, &
	628	build_ids, &
	629	num_buildings, &
	630	displace_dum, &
	631	MPI_INTEGER, &
	632	comm2d, ierr )
[4246]	633
	634	DEALLOCATE( displace_dum )
	635
	636	#else
	637	build_ids = build_ids_l
	638	#endif
	639	!
[4646]	640	!-- Note: in parallel mode, building IDs can occur mutliple times, as each PE has send its own ids.
	641	!-- Therefore, sort out building IDs which appear multiple times.
[4246]	642	num_build = 0
	643	DO n = 1, SIZE(build_ids)
	644
	645	IF ( ALLOCATED(build_ids_final) ) THEN
	646	IF ( ANY( build_ids(n) == build_ids_final ) ) THEN
	647	CYCLE
	648	ELSE
	649	num_build = num_build + 1
	650	!
	651	!-- Resize
	652	ALLOCATE( build_ids_final_tmp(1:num_build) )
	653	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
	654	DEALLOCATE( build_ids_final )
	655	ALLOCATE( build_ids_final(1:num_build) )
	656	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
	657	build_ids_final(num_build) = build_ids(n)
	658	DEALLOCATE( build_ids_final_tmp )
[4646]	659	ENDIF
[4246]	660	ELSE
	661	num_build = num_build + 1
	662	ALLOCATE( build_ids_final(1:num_build) )
	663	build_ids_final(num_build) = build_ids(n)
	664	ENDIF
	665	ENDDO
	666
	667	!
[4646]	668	!-- Allocate building-data structure array. Note, this is a global array and all building IDs on
	669	!-- domain are known by each PE. Further attributes, e.g. height-dependent arrays, however, are only
	670	!-- allocated on PEs where the respective building is present (in order to reduce memory demands).
[4246]	671	ALLOCATE( buildings(1:num_build) )
	672
	673	!
[4646]	674	!-- Store building IDs and check if building with certain ID is present on subdomain.
[4246]	675	DO nb = 1, num_build
	676	buildings(nb)%id = build_ids_final(nb)
	677
[4646]	678	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) &
[4246]	679	buildings(nb)%on_pe = .TRUE.
[4646]	680	ENDDO
[4246]	681	!
[4646]	682	!-- Determine the maximum vertical dimension occupied by each building.
[4246]	683	ALLOCATE( k_min_l(1:num_build) )
	684	ALLOCATE( k_max_l(1:num_build) )
	685	k_min_l = nzt + 1
[4646]	686	k_max_l = 0
[4246]	687
	688	DO i = nxl, nxr
	689	DO j = nys, nyn
	690	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
[4646]	691	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	692	DO k = nzb, nzt+1
	693	!
[4646]	694	!-- Check if grid point belongs to a building.
[4346]	695	IF ( BTEST( wall_flags_total_0(k,j,i), 6 ) ) THEN
[4246]	696	k_min_l(nb) = MIN( k_min_l(nb), k )
	697	k_max_l(nb) = MAX( k_max_l(nb), k )
	698	ENDIF
	699
	700	ENDDO
	701	ENDIF
	702	ENDDO
	703	ENDDO
	704
[4646]	705	#if defined( __parallel )
	706	CALL MPI_ALLREDUCE( k_min_l(:), buildings(:)%kb_min, num_build, MPI_INTEGER, MPI_MIN, comm2d, &
	707	ierr )
	708	CALL MPI_ALLREDUCE( k_max_l(:), buildings(:)%kb_max, num_build, MPI_INTEGER, MPI_MAX, comm2d, &
	709	ierr )
[4246]	710	#else
	711	buildings(:)%kb_min = k_min_l(:)
	712	buildings(:)%kb_max = k_max_l(:)
	713	#endif
	714
	715	DEALLOCATE( k_min_l )
	716	DEALLOCATE( k_max_l )
	717	!
	718	!-- Calculate building height.
	719	DO nb = 1, num_build
	720	buildings(nb)%building_height = 0.0_wp
	721	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	722	buildings(nb)%building_height = buildings(nb)%building_height + dzw(k+1)
[4246]	723	ENDDO
	724	ENDDO
	725	!
	726	!-- Calculate building volume
	727	DO nb = 1, num_build
	728	!
	729	!-- Allocate temporary array for summing-up building volume
	730	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	731	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	732	volume = 0.0_wp
	733	volume_l = 0.0_wp
	734	!
[4646]	735	!-- Calculate building volume per height level on each PE where these building is present.
[4246]	736	IF ( buildings(nb)%on_pe ) THEN
	737
	738	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	739	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	740	buildings(nb)%volume = 0.0_wp
	741	buildings(nb)%vol_frac = 0.0_wp
[4646]	742
	743	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) THEN
[4246]	744	DO i = nxl, nxr
	745	DO j = nys, nyn
	746	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	747	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
[4246]	748	volume_l(k) = volume_l(k) + dx * dy * dzw(k+1)
	749	ENDDO
	750	ENDDO
	751	ENDDO
	752	ENDIF
	753	ENDIF
	754	!
	755	!-- Sum-up building volume from all subdomains
[4646]	756	#if defined( __parallel )
	757	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, comm2d, ierr )
[4246]	758	#else
	759	volume = volume_l
	760	#endif
	761	!
[4646]	762	!-- Save total building volume as well as local fraction on volume on building data structure.
[4246]	763	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
	764	!
	765	!-- Determine fraction of local on total building volume
	766	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
	767	!
	768	!-- Calculate total building volume
[4646]	769	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%vol_tot = SUM( buildings(nb)%volume )
[4246]	770
	771	DEALLOCATE( volume )
	772	DEALLOCATE( volume_l )
	773
	774	ENDDO
	775	!
[4646]	776	!-- Allocate arrays for indoor temperature.
[4246]	777	DO nb = 1, num_build
	778	IF ( buildings(nb)%on_pe ) THEN
	779	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	780	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	781	buildings(nb)%t_in = 0.0_wp
	782	buildings(nb)%t_in_l = 0.0_wp
	783	ENDIF
	784	ENDDO
	785	!
[4646]	786	!-- Allocate arrays for number of facades per height level. Distinguish between horizontal and
	787	!-- vertical facades.
[4246]	788	DO nb = 1, num_build
	789	IF ( buildings(nb)%on_pe ) THEN
	790	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	791	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	792
	793	buildings(nb)%num_facade_h = 0
	794	buildings(nb)%num_facade_v = 0
	795	ENDIF
	796	ENDDO
	797	!
	798	!-- Determine number of facade elements per building on local subdomain.
	799	!-- Distinguish between horizontal and vertical facade elements.
	800	!
	801	!-- Horizontal facades
	802	buildings(:)%num_facades_per_building_h_l = 0
	803	DO m = 1, surf_usm_h%ns
	804	!
	805	!-- For the current facade element determine corresponding building index.
[4646]	806	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
	807	!-- element and building location (for horizontal surface elements the horizontal offsets are
	808	!-- zero).
[4246]	809	i = surf_usm_h%i(m) + surf_usm_h%ioff
	810	j = surf_usm_h%j(m) + surf_usm_h%joff
	811	k = surf_usm_h%k(m) + surf_usm_h%koff
	812	!
[4646]	813	!-- Determine building index and check whether building is on PE.
	814	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	815
	816	IF ( buildings(nb)%on_pe ) THEN
	817	!
	818	!-- Count number of facade elements at each height level.
[4646]	819	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
[4246]	820	!
	821	!-- Moreover, sum up number of local facade elements per building.
[4646]	822	buildings(nb)%num_facades_per_building_h_l = &
	823	buildings(nb)%num_facades_per_building_h_l + 1
[4246]	824	ENDIF
	825	ENDDO
	826	!
	827	!-- Vertical facades
	828	buildings(:)%num_facades_per_building_v_l = 0
	829	DO l = 0, 3
	830	DO m = 1, surf_usm_v(l)%ns
	831	!
	832	!-- For the current facade element determine corresponding building index.
[4646]	833	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
	834	!-- element and building location (for vertical surface elements the vertical offsets are
	835	!-- zero).
[4246]	836	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	837	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	838	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	839
[4646]	840	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	841	IF ( buildings(nb)%on_pe ) THEN
[4646]	842	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
	843	buildings(nb)%num_facades_per_building_v_l = &
	844	buildings(nb)%num_facades_per_building_v_l + 1
[4246]	845	ENDIF
	846	ENDDO
	847	ENDDO
	848	!
[4646]	849	!-- Determine total number of facade elements per building and assign number to building data type.
[4246]	850	DO nb = 1, num_build
	851	!
[4646]	852	!-- Allocate dummy array used for summing-up facade elements.
	853	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
	854	!-- allocated on all PEs.
[4246]	855	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	856	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	857	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	858	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	859	num_facades_h = 0
	860	num_facades_v = 0
	861	receive_dum_h = 0
	862	receive_dum_v = 0
	863
	864	IF ( buildings(nb)%on_pe ) THEN
	865	num_facades_h = buildings(nb)%num_facade_h
	866	num_facades_v = buildings(nb)%num_facade_v
	867	ENDIF
	868
[4646]	869	#if defined( __parallel )
	870	CALL MPI_ALLREDUCE( num_facades_h, &
	871	receive_dum_h, &
	872	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	873	MPI_INTEGER, &
	874	MPI_SUM, &
	875	comm2d, &
[4246]	876	ierr )
	877
[4646]	878	CALL MPI_ALLREDUCE( num_facades_v, &
	879	receive_dum_v, &
	880	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	881	MPI_INTEGER, &
	882	MPI_SUM, &
	883	comm2d, &
[4246]	884	ierr )
[4646]	885	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) buildings(nb)%num_facade_h = receive_dum_h
	886	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) buildings(nb)%num_facade_v = receive_dum_v
[4246]	887	#else
	888	buildings(nb)%num_facade_h = num_facades_h
	889	buildings(nb)%num_facade_v = num_facades_v
	890	#endif
	891
	892	!
	893	!-- Deallocate dummy arrays
	894	DEALLOCATE( num_facades_h )
	895	DEALLOCATE( num_facades_v )
	896	DEALLOCATE( receive_dum_h )
	897	DEALLOCATE( receive_dum_v )
	898	!
	899	!-- Allocate index arrays which link facade elements with surface-data type.
[4646]	900	!-- Please note, no height levels are considered here (information is stored in surface-data type
	901	!-- itself).
[4246]	902	IF ( buildings(nb)%on_pe ) THEN
	903	!
	904	!-- Determine number of facade elements per building.
	905	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
	906	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
	907	!
[4646]	908	!-- Allocate arrays which link the building with the horizontal and vertical urban-type
	909	!-- surfaces. Please note, linking arrays are allocated over all facade elements, which is
	910	!-- required in case a building is located at the subdomain boundaries, where the building and
	911	!-- the corresponding surface elements are located on different subdomains.
[4246]	912	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
	913
	914	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
	915	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
	916	ENDIF
[4402]	917
[4246]	918	IF ( buildings(nb)%on_pe ) THEN
	919	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	920	buildings(nb)%vpf = 0.0_wp
[4402]	921
[4646]	922	facade_area_v = 0.0_wp
[4246]	923	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	924	facade_area_v = facade_area_v + buildings(nb)%num_facade_v(k) * dzw(k+1) * dx
[4246]	925	ENDDO
[4402]	926	!
[4646]	927	!-- Determine volume per total facade area (vpf). For the horizontal facade area
	928	!-- num_facades_per_building_h can be taken, multiplied with dx*dy.
	929	!-- However, due to grid stretching, vertical facade elements must be summed-up vertically.
	930	!-- Please note, if dx /= dy, an error is made!
	931	buildings(nb)%vpf = buildings(nb)%vol_tot / &
	932	( buildings(nb)%num_facades_per_building_h * dx * dy + facade_area_v )
[4402]	933	!
	934	!-- Determine floor-area-per-facade.
[4646]	935	buildings(nb)%fapf = buildings(nb)%num_facades_per_building_h * dx * dy &
	936	/ ( buildings(nb)%num_facades_per_building_h * dx * dy &
	937	+ facade_area_v )
[4246]	938	ENDIF
	939	ENDDO
	940	!
[4646]	941	!-- Link facade elements with surface data type.
[4246]	942	!-- Allocate array for counting.
	943	ALLOCATE( n_fa(1:num_build) )
	944	n_fa = 1
	945
	946	DO m = 1, surf_usm_h%ns
	947	i = surf_usm_h%i(m) + surf_usm_h%ioff
	948	j = surf_usm_h%j(m) + surf_usm_h%joff
	949
[4646]	950	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	951
	952	IF ( buildings(nb)%on_pe ) THEN
	953	buildings(nb)%m_h(n_fa(nb)) = m
[4646]	954	n_fa(nb) = n_fa(nb) + 1
[4246]	955	ENDIF
	956	ENDDO
	957
	958	n_fa = 1
	959	DO l = 0, 3
	960	DO m = 1, surf_usm_v(l)%ns
	961	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	962	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	963
[4646]	964	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	965
	966	IF ( buildings(nb)%on_pe ) THEN
	967	buildings(nb)%l_v(n_fa(nb)) = l
	968	buildings(nb)%m_v(n_fa(nb)) = m
[4646]	969	n_fa(nb) = n_fa(nb) + 1
[4246]	970	ENDIF
	971	ENDDO
	972	ENDDO
	973	DEALLOCATE( n_fa )
	974	!
[4646]	975	!-- Initialize building parameters, first by mean building type. Note, in this case all buildings
	976	!-- have the same type.
	977	!-- In a second step initialize with building tpyes from static input file, where building types can
	978	!-- be individual for each building.
[4267]	979	buildings(:)%lambda_layer3 = building_pars(31,building_type)
	980	buildings(:)%s_layer3 = building_pars(44,building_type)
[4246]	981	buildings(:)%f_c_win = building_pars(119,building_type)
[4646]	982	buildings(:)%g_value_win = building_pars(120,building_type)
	983	buildings(:)%u_value_win = building_pars(121,building_type)
	984	buildings(:)%eta_ve = building_pars(124,building_type)
	985	buildings(:)%factor_a = building_pars(125,building_type)
[4246]	986	buildings(:)%factor_c = building_pars(126,building_type)
[4646]	987	buildings(:)%lambda_at = building_pars(127,building_type)
	988	buildings(:)%theta_int_h_set = building_pars(13,building_type)
[4267]	989	buildings(:)%theta_int_c_set = building_pars(12,building_type)
[4646]	990	buildings(:)%q_h_max = building_pars(128,building_type)
	991	buildings(:)%q_c_max = building_pars(129,building_type)
[4246]	992	buildings(:)%qint_high = building_pars(130,building_type)
	993	buildings(:)%qint_low = building_pars(131,building_type)
	994	buildings(:)%height_storey = building_pars(132,building_type)
	995	buildings(:)%height_cei_con = building_pars(133,building_type)
	996	buildings(:)%params_waste_heat_h = building_pars(134,building_type)
	997	buildings(:)%params_waste_heat_c = building_pars(135,building_type)
	998	!
[4267]	999	!-- Initialize seasonal dependent parameters, depending on day of the year.
[4646]	1000	!-- First, calculated day of the year.
[4267]	1001	CALL get_date_time( time_since_reference_point, day_of_year = day_of_year )
	1002	!
[4646]	1003	!-- Summer is defined in between northward- and southward equinox.
	1004	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
	1005	buildings(:)%air_change_low = summer_pars(0,building_type)
[4267]	1006	buildings(:)%air_change_high = summer_pars(1,building_type)
	1007	ELSE
[4646]	1008	buildings(:)%air_change_low = winter_pars(0,building_type)
[4267]	1009	buildings(:)%air_change_high = winter_pars(1,building_type)
	1010	ENDIF
	1011	!
[4646]	1012	!-- Initialize ventilation load. Please note, building types > 7 are actually not allowed (check
	1013	!-- already in urban_surface_mod and netcdf_data_input_mod.
	1014	!-- However, the building data base may be later extended.
	1015	IF ( building_type == 1 .OR. building_type == 2 .OR. &
	1016	building_type == 3 .OR. building_type == 10 .OR. &
[4246]	1017	building_type == 11 .OR. building_type == 12 ) THEN
	1018	buildings(:)%ventilation_int_loads = 1
	1019	!
	1020	!-- Office, building with large windows
[4646]	1021	ELSEIF ( building_type == 4 .OR. building_type == 5 .OR. &
	1022	building_type == 6 .OR. building_type == 7 .OR. &
[4246]	1023	building_type == 8 .OR. building_type == 9) THEN
	1024	buildings(:)%ventilation_int_loads = 2
	1025	!
	1026	!-- Industry, hospitals
[4646]	1027	ELSEIF ( building_type == 13 .OR. building_type == 14 .OR. &
	1028	building_type == 15 .OR. building_type == 16 .OR. &
[4246]	1029	building_type == 17 .OR. building_type == 18 ) THEN
	1030	buildings(:)%ventilation_int_loads = 3
	1031	ENDIF
	1032	!
	1033	!-- Initialization of building parameters - level 2
	1034	IF ( building_type_f%from_file ) THEN
	1035	DO i = nxl, nxr
	1036	DO j = nys, nyn
	1037	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
[4646]	1038	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	1039	bt = building_type_f%var(j,i)
[4646]	1040
[4267]	1041	buildings(nb)%lambda_layer3 = building_pars(31,bt)
	1042	buildings(nb)%s_layer3 = building_pars(44,bt)
[4246]	1043	buildings(nb)%f_c_win = building_pars(119,bt)
[4646]	1044	buildings(nb)%g_value_win = building_pars(120,bt)
	1045	buildings(nb)%u_value_win = building_pars(121,bt)
	1046	buildings(nb)%eta_ve = building_pars(124,bt)
	1047	buildings(nb)%factor_a = building_pars(125,bt)
[4246]	1048	buildings(nb)%factor_c = building_pars(126,bt)
[4646]	1049	buildings(nb)%lambda_at = building_pars(127,bt)
	1050	buildings(nb)%theta_int_h_set = building_pars(13,bt)
[4267]	1051	buildings(nb)%theta_int_c_set = building_pars(12,bt)
[4646]	1052	buildings(nb)%q_h_max = building_pars(128,bt)
	1053	buildings(nb)%q_c_max = building_pars(129,bt)
[4246]	1054	buildings(nb)%qint_high = building_pars(130,bt)
	1055	buildings(nb)%qint_low = building_pars(131,bt)
	1056	buildings(nb)%height_storey = building_pars(132,bt)
[4646]	1057	buildings(nb)%height_cei_con = building_pars(133,bt)
[4246]	1058	buildings(nb)%params_waste_heat_h = building_pars(134,bt)
	1059	buildings(nb)%params_waste_heat_c = building_pars(135,bt)
[4267]	1060
[4646]	1061	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
	1062	buildings(nb)%air_change_low = summer_pars(0,bt)
[4267]	1063	buildings(nb)%air_change_high = summer_pars(1,bt)
	1064	ELSE
[4646]	1065	buildings(nb)%air_change_low = winter_pars(0,bt)
[4267]	1066	buildings(nb)%air_change_high = winter_pars(1,bt)
	1067	ENDIF
	1068
[4246]	1069	!
[4646]	1070	!-- Initialize ventilaation load. Please note, building types > 7
	1071	!-- are actually not allowed (check already in urban_surface_mod
	1072	!-- and netcdf_data_input_mod. However, the building data base may
	1073	!-- be later extended.
	1074	IF ( bt == 1 .OR. bt == 2 .OR. &
	1075	bt == 3 .OR. bt == 10 .OR. &
[4246]	1076	bt == 11 .OR. bt == 12 ) THEN
	1077	buildings(nb)%ventilation_int_loads = 1
[4646]	1078	!
[4246]	1079	!-- Office, building with large windows
[4646]	1080	ELSEIF ( bt == 4 .OR. bt == 5 .OR. &
	1081	bt == 6 .OR. bt == 7 .OR. &
[4246]	1082	bt == 8 .OR. bt == 9) THEN
	1083	buildings(nb)%ventilation_int_loads = 2
	1084	!
	1085	!-- Industry, hospitals
[4646]	1086	ELSEIF ( bt == 13 .OR. bt == 14 .OR. &
	1087	bt == 15 .OR. bt == 16 .OR. &
[4246]	1088	bt == 17 .OR. bt == 18 ) THEN
	1089	buildings(nb)%ventilation_int_loads = 3
	1090	ENDIF
	1091	ENDIF
	1092	ENDDO
	1093	ENDDO
	1094	ENDIF
	1095	!
[4646]	1096	!-- Calculation of surface-related heat transfer coeffiecient out of standard u-values from building
	1097	!-- database.
	1098	!-- Only amount of extern and surface is used.
	1099	!-- Otherwise amount between air and surface taken account twice.
[4246]	1100	DO nb = 1, num_build
[4646]	1101	IF ( buildings(nb)%on_pe ) THEN
[4246]	1102	du_win_tmp = 1.0_wp / buildings(nb)%u_value_win
[4646]	1103	u_tmp = buildings(nb)%u_value_win * ( du_win_tmp / ( du_win_tmp - &
[4246]	1104	0.125_wp + ( 1.0_wp / h_is ) ) )
[4646]	1105
[4246]	1106	du_tmp = 1.0_wp / u_tmp
[4646]	1107
[4267]	1108	buildings(nb)%h_es = 1.0_wp / ( du_tmp - ( 1.0_wp / h_is ) )
	1109
[4246]	1110	ENDIF
	1111	ENDDO
	1112	!
	1113	!-- Initial room temperature [K]
	1114	!-- (after first loop, use theta_m_t as theta_m_t_prev)
	1115	theta_m_t_prev = initial_indoor_temperature
	1116	!
	1117	!-- Initialize indoor temperature. Actually only for output at initial state.
	1118	DO nb = 1, num_build
[4646]	1119	IF ( buildings(nb)%on_pe ) buildings(nb)%t_in(:) = initial_indoor_temperature
[4246]	1120	ENDDO
	1121
	1122	CALL location_message( 'initializing indoor model', 'finished' )
	1123
	1124	END SUBROUTINE im_init
	1125
	1126
[4646]	1127	!--------------------------------------------------------------------------------------------------!
[4246]	1128	! Description:
	1129	! ------------
	1130	!> Main part of the indoor model.
	1131	!> Calculation of .... (kanani: Please describe)
[4646]	1132	!--------------------------------------------------------------------------------------------------!
[4246]	1133	SUBROUTINE im_main_heatcool
	1134
	1135	! USE basic_constants_and_equations_mod, &
	1136	! ONLY: c_p
	1137
[4646]	1138	USE control_parameters, &
[4246]	1139	ONLY: time_since_reference_point
	1140
[4646]	1141	USE grid_variables, &
[4246]	1142	ONLY: dx, dy
	1143
	1144	USE pegrid
[4646]	1145
	1146	USE surface_mod, &
[4246]	1147	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
	1148
[4646]	1149	USE urban_surface_mod, &
	1150	ONLY: building_type, nzt_wall, t_wall_h, t_wall_v, t_window_h, t_window_v
[4246]	1151
[4646]	1152
	1153	INTEGER(iwp) :: fa !< running index for facade elements of each building
[4246]	1154	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
	1155	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
	1156	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
	1157	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
	1158	INTEGER(iwp) :: l !< running index for surface-element orientation
	1159	INTEGER(iwp) :: m !< running index surface elements
	1160	INTEGER(iwp) :: nb !< running index for buildings
	1161
	1162	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	1163	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
	1164	REAL(wp) :: second_of_day !< second of the current day
	1165	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
	1166
	1167	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
	1168	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
	1169	!
[4646]	1170	!-- Determine time of day in hours.
[4246]	1171	CALL get_date_time( time_since_reference_point, second_of_day=second_of_day )
	1172	time_utc_hour = second_of_day / seconds_per_hour
	1173	!
	1174	!-- Following calculations must be done for each facade element.
	1175	DO nb = 1, num_build
	1176	!
[4646]	1177	!-- First, check whether building is present on local subdomain.
[4246]	1178	IF ( buildings(nb)%on_pe ) THEN
	1179	!
	1180	!-- Determine daily schedule. 08:00-18:00 = 1, other hours = 0.
[4646]	1181	!-- Residental Building, panel WBS 70
[4246]	1182	IF ( buildings(nb)%ventilation_int_loads == 1 ) THEN
[4267]	1183	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
	1184	schedule_d = 0
	1185	ELSE
[4246]	1186	schedule_d = 1
	1187	ENDIF
	1188	ENDIF
	1189	!
	1190	!-- Office, building with large windows
	1191	IF ( buildings(nb)%ventilation_int_loads == 2 ) THEN
	1192	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
	1193	schedule_d = 1
	1194	ELSE
	1195	schedule_d = 0
	1196	ENDIF
	1197	ENDIF
[4646]	1198	!
[4246]	1199	!-- Industry, hospitals
	1200	IF ( buildings(nb)%ventilation_int_loads == 3 ) THEN
	1201	IF ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
	1202	schedule_d = 1
	1203	ELSE
	1204	schedule_d = 0
	1205	ENDIF
	1206	ENDIF
	1207	!
	1208	!-- Initialize/reset indoor temperature
[4646]	1209	buildings(nb)%t_in_l = 0.0_wp
[4246]	1210	!
	1211	!-- Horizontal surfaces
	1212	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
	1213	!
[4646]	1214	!-- Determine index where corresponding surface-type information is stored.
[4246]	1215	m = buildings(nb)%m_h(fa)
	1216	!
[4646]	1217	!-- Determine building height level index.
[4246]	1218	kk = surf_usm_h%k(m) + surf_usm_h%koff
[4402]	1219	!
[4246]	1220	!-- Building geometries --> not time-dependent
[4646]	1221	facade_element_area = dx * dy !< [m2] surface area per facade element
[4402]	1222	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
[4646]	1223	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
	1224	buildings(nb)%area_facade = facade_element_area * &
	1225	( buildings(nb)%num_facades_per_building_h + &
	1226	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
	1227	window_area_per_facade = surf_usm_h%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per facade
	1228	!< element
[4246]	1229
	1230	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
[4646]	1231	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
	1232	!< pointing to zone Eq. (9) according to section 7.2.2.2
	1233	a_m = buildings(nb)%factor_a * total_area * &
	1234	( facade_element_area / buildings(nb)%area_facade ) * &
	1235	buildings(nb)%lambda_at !< [m2] standard values
	1236	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
	1237	c_m = buildings(nb)%factor_c * total_area * &
	1238	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
	1239	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
[4246]	1240	!
	1241	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	1242	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
	1243
[4646]	1244	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
	1245	!< (m2 K) between surface and air, Eq. (9)
	1246	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
	1247	!< (m2 K) between component and surface, Eq. (64)
	1248	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
[4246]	1249	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
	1250	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
[4646]	1251	h_t_wm = 1.0_wp / ( 1.0_wp / h_t_wall - 1.0_wp / h_t_ms ) !< [W/K] emmision Eq. (63),
	1252	!< Section 12.2.2
[4246]	1253	!
[4646]	1254	!-- Internal air loads dependent on the occupacy of the room.
	1255	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int).
	1256	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
	1257	* floor_area_per_facade )
[4246]	1258	q_int = phi_ia / total_area
	1259	!
[4646]	1260	!-- Airflow dependent on the occupacy of the room.
	1261	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
	1262	air_change = ( buildings(nb)%air_change_high * schedule_d + buildings(nb)%air_change_low ) !< [1/h]?
[4246]	1263	!
[4646]	1264	!-- Heat transfer of ventilation.
	1265	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
	1266	!-- capacity of air 0.33 Wh/m2K.
	1267	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	1268	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
[4246]	1269
	1270	!-- Heat transfer coefficient auxiliary variables
	1271	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
	1272	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
	1273	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
	1274	!
	1275	!-- Net short-wave radiation through window area (was i_global)
	1276	net_sw_in = surf_usm_h%rad_sw_in(m) - surf_usm_h%rad_sw_out(m)
	1277	!
	1278	!-- Quantities needed for im_calc_temperatures
	1279	i = surf_usm_h%i(m)
	1280	j = surf_usm_h%j(m)
	1281	k = surf_usm_h%k(m)
	1282	near_facade_temperature = surf_usm_h%pt_10cm(m)
[4646]	1283	indoor_wall_window_temperature = &
	1284	surf_usm_h%frac(m,ind_veg_wall) * t_wall_h(nzt_wall,m) &
	1285	+ surf_usm_h%frac(m,ind_wat_win) * t_window_h(nzt_wall,m)
[4246]	1286	!
[4646]	1287	!-- Solar thermal gains. If net_sw_in larger than sun-protection threshold parameter
	1288	!-- (params_solar_protection), sun protection will be activated.
	1289	IF ( net_sw_in <= params_solar_protection ) THEN
[4246]	1290	solar_protection_off = 1
	1291	solar_protection_on = 0
[4646]	1292	ELSE
[4246]	1293	solar_protection_off = 0
	1294	solar_protection_on = 1
	1295	ENDIF
	1296	!
[4646]	1297	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
	1298	!-- automatic sun protection.
[4246]	1299	!-- DIN 4108 - 2 chap.8
[4646]	1300	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1301	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
	1302	solar_protection_on ) &
[4246]	1303	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
[4646]	1304	q_sol = phi_sol
[4246]	1305	!
[4646]	1306	!-- Calculation of the mass specific thermal load for internal and external heatsources of
	1307	!-- the inner node.
	1308	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with
	1309	!< phi_ia=0,5*phi_int
[4246]	1310	q_c_m = phi_m
	1311	!
[4646]	1312	!-- Calculation mass specific thermal load implied non thermal mass
	1313	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
	1314	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
	1315	!< phi_ia=0,5*phi_int
	1316	q_c_st = phi_st
[4246]	1317	!
	1318	!-- Calculations for deriving indoor temperature and heat flux into the wall
[4646]	1319	!-- Step 1: indoor temperature without heating and cooling
[4246]	1320	!-- section C.4.1 Picture C.2 zone 3)
	1321	phi_hc_nd = 0.0_wp
[4646]	1322
	1323	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1324	near_facade_temperature, phi_hc_nd )
[4246]	1325	!
[4646]	1326	!-- If air temperature between border temperatures of heating and cooling, assign output
	1327	!-- variable, then ready.
	1328	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
	1329	theta_air <= buildings(nb)%theta_int_c_set ) THEN
[4246]	1330	phi_hc_nd_ac = 0.0_wp
[4646]	1331	phi_hc_nd = phi_hc_nd_ac
[4246]	1332	theta_air_ac = theta_air
	1333	!
	1334	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
	1335	!-- again.
	1336	ELSE
	1337	!
	1338	!-- Temperature not correct, calculation method according to section C4.2
[4646]	1339	theta_air_0 = theta_air !< temperature without heating/cooling
[4246]	1340	!
	1341	!-- Heating or cooling?
	1342	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
	1343	theta_air_set = buildings(nb)%theta_int_c_set
[4646]	1344	ELSE
	1345	theta_air_set = buildings(nb)%theta_int_h_set
[4246]	1346	ENDIF
	1347	!
[4646]	1348	!-- Calculate the temperature with phi_hc_nd_10
[4246]	1349	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1350	phi_hc_nd = phi_hc_nd_10
[4646]	1351
	1352	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1353	near_facade_temperature, phi_hc_nd )
[4246]	1354	theta_air_10 = theta_air !< temperature with 10 W/m2 of heating
[4646]	1355	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
[4246]	1356	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
	1357	!
[4646]	1358	!-- Step 3: with temperature ratio to determine the heating or cooling capacity.
	1359	!-- If necessary, limit the power to maximum power.
[4246]	1360	!-- section C.4.1 Picture C.2 zone 2) and 4)
[4646]	1361	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
[4246]	1362	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
[4646]	1363	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
	1364	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
[4246]	1365	phi_hc_nd_ac = phi_hc_nd_un
[4646]	1366	phi_hc_nd = phi_hc_nd_un
[4246]	1367	ELSE
	1368	!
[4646]	1369	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
	1370	!-- (phi_hc_nd_un negative)
[4246]	1371	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1372	IF ( phi_hc_nd_un > 0.0_wp ) THEN
	1373	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
[4646]	1374	ELSE
[4246]	1375	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
	1376	ENDIF
	1377	ENDIF
[4646]	1378	phi_hc_nd = phi_hc_nd_ac
[4246]	1379	!
	1380	!-- Calculate the temperature with phi_hc_nd_ac (new)
[4646]	1381	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1382	near_facade_temperature, phi_hc_nd )
[4246]	1383	theta_air_ac = theta_air
	1384	ENDIF
	1385	!
	1386	!-- Update theta_m_t_prev
	1387	theta_m_t_prev = theta_m_t
[4646]	1388
[4246]	1389	q_vent = h_v * ( theta_air - near_facade_temperature )
	1390	!
[4646]	1391	!-- Calculate the operating temperature with weighted mean temperature of air and mean
	1392	!-- solar temperature.
	1393	!-- Will be used for thermal comfort calculations.
[4246]	1394	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s !< [degree_C] operative Temperature Eq. (C.12)
	1395	! surf_usm_h%t_indoor(m) = theta_op !< not integrated now
	1396	!
[4646]	1397	!-- Heat flux into the wall. Value needed in urban_surface_mod to
[4246]	1398	!-- calculate heat transfer through wall layers towards the facade
	1399	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
[4646]	1400	q_wall_win = h_t_ms * ( theta_s - theta_m ) &
	1401	/ ( facade_element_area - window_area_per_facade )
	1402	q_trans = q_wall_win * facade_element_area
[4246]	1403	!
	1404	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
	1405	surf_usm_h%iwghf_eb(m) = q_wall_win
	1406	surf_usm_h%iwghf_eb_window(m) = q_wall_win
	1407	!
[4646]	1408	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
	1409	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
[4246]	1410	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1411	!
[4646]	1412	!-- Calculation of waste heat.
	1413	!-- Anthropogenic heat output.
	1414	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
[4246]	1415	heating_on = 1
	1416	cooling_on = 0
[4646]	1417	ELSE
[4246]	1418	heating_on = 0
	1419	cooling_on = -1
	1420	ENDIF
	1421
[4646]	1422	q_waste_heat = ( phi_hc_nd * ( &
	1423	buildings(nb)%params_waste_heat_h * heating_on + &
	1424	buildings(nb)%params_waste_heat_c * cooling_on ) &
	1425	) / facade_element_area !< [W/m2] , observe the directional
	1426	!< convention in PALM!
[4246]	1427	surf_usm_h%waste_heat(m) = q_waste_heat
	1428	ENDDO !< Horizontal surfaces loop
	1429	!
	1430	!-- Vertical surfaces
	1431	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
	1432	!
[4646]	1433	!-- Determine indices where corresponding surface-type information is stored.
[4246]	1434	l = buildings(nb)%l_v(fa)
	1435	m = buildings(nb)%m_v(fa)
	1436	!
[4646]	1437	!-- Determine building height level index.
[4246]	1438	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	1439	!
[4646]	1440	!-- (SOME OF THE FOLLOWING (not time-dependent) COULD PROBABLY GO INTO A FUNCTION
[4246]	1441	!-- EXCEPT facade_element_area, EVERYTHING IS CALCULATED EQUALLY)
	1442	!-- Building geometries --> not time-dependent
[4402]	1443	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk+1) !< [m2] surface area per facade element
	1444	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk+1) !< [m2] surface area per facade element
	1445
	1446	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
[4646]	1447	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
	1448	buildings(nb)%area_facade = facade_element_area * &
	1449	( buildings(nb)%num_facades_per_building_h + &
	1450	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
	1451	window_area_per_facade = surf_usm_v(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per
	1452	!< facade element
[4246]	1453
	1454	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
[4646]	1455	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
	1456	!< pointing to zone Eq. (9) according to section 7.2.2.2
	1457	a_m = buildings(nb)%factor_a * total_area * &
	1458	( facade_element_area / buildings(nb)%area_facade ) * &
	1459	buildings(nb)%lambda_at !< [m2] standard values
	1460	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
[4246]	1461	c_m = buildings(nb)%factor_c * total_area * &
[4646]	1462	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
	1463	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
[4246]	1464	!
	1465	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	1466	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
	1467
[4646]	1468	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
	1469	!< (m2 K) between surface and air, Eq. (9)
	1470	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
	1471	!< (m2 K) between component and surface, Eq. (64)
	1472	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
[4246]	1473	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
	1474	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
	1475	h_t_wm = 1.0_wp / ( 1.0_wp / h_t_wall - 1.0_wp / h_t_ms ) !< [W/K] emmision Eq. (63), Section 12.2.2
	1476	!
[4646]	1477	!-- Internal air loads dependent on the occupacy of the room.
	1478	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy
	1479	!-- (qint_high) (0,5*phi_int)
	1480	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
	1481	* floor_area_per_facade )
[4246]	1482	q_int = phi_ia
	1483
	1484	!
[4646]	1485	!-- Airflow dependent on the occupacy of the room.
	1486	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy
	1487	!-- (air_change_high)
	1488	air_change = ( buildings(nb)%air_change_high * schedule_d + &
	1489	buildings(nb)%air_change_low )
[4246]	1490	!
[4646]	1491	!-- Heat transfer of ventilation.
	1492	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
	1493	!-- capacity of air 0.33 Wh/m2K
	1494	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	1495	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789
	1496	!< Eq.(10)
	1497
[4246]	1498	!-- Heat transfer coefficient auxiliary variables
	1499	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
	1500	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
	1501	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
	1502	!
	1503	!-- Net short-wave radiation through window area (was i_global)
	1504	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
	1505	!
	1506	!-- Quantities needed for im_calc_temperatures
	1507	i = surf_usm_v(l)%i(m)
[4646]	1508	j = surf_usm_v(l)%j(m)
[4246]	1509	k = surf_usm_v(l)%k(m)
	1510	near_facade_temperature = surf_usm_v(l)%pt_10cm(m)
[4646]	1511	indoor_wall_window_temperature = &
	1512	surf_usm_v(l)%frac(m,ind_veg_wall) * t_wall_v(l)%t(nzt_wall,m) &
	1513	+ surf_usm_v(l)%frac(m,ind_wat_win) * t_window_v(l)%t(nzt_wall,m)
[4246]	1514	!
[4646]	1515	!-- Solar thermal gains. If net_sw_in larger than sun-protection
	1516	!-- threshold parameter (params_solar_protection), sun protection will
[4246]	1517	!-- be activated
[4646]	1518	IF ( net_sw_in <= params_solar_protection ) THEN
[4246]	1519	solar_protection_off = 1
[4646]	1520	solar_protection_on = 0
	1521	ELSE
[4246]	1522	solar_protection_off = 0
[4646]	1523	solar_protection_on = 1
[4246]	1524	ENDIF
	1525	!
[4646]	1526	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
	1527	!-- automatic sun protection.
[4246]	1528	!-- DIN 4108 - 2 chap.8
[4646]	1529	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1530	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
	1531	solar_protection_on ) &
[4246]	1532	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
	1533	q_sol = phi_sol
	1534	!
[4646]	1535	!-- Calculation of the mass specific thermal load for internal and external heatsources.
[4246]	1536	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
	1537	q_c_m = phi_m
	1538	!
[4646]	1539	!-- Calculation mass specific thermal load implied non thermal mass.
	1540	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
	1541	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
	1542	!< phi_ia=0,5*phi_int
	1543	q_c_st = phi_st
[4246]	1544	!
[4646]	1545	!-- Calculations for deriving indoor temperature and heat flux into the wall.
	1546	!-- Step 1: indoor temperature without heating and cooling.
[4246]	1547	!-- section C.4.1 Picture C.2 zone 3)
	1548	phi_hc_nd = 0.0_wp
[4646]	1549	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
[4246]	1550	near_facade_temperature, phi_hc_nd )
	1551	!
[4646]	1552	!-- If air temperature between border temperatures of heating and cooling, assign output
	1553	!-- variable, then ready.
	1554	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
	1555	theta_air <= buildings(nb)%theta_int_c_set ) THEN
[4246]	1556	phi_hc_nd_ac = 0.0_wp
	1557	phi_hc_nd = phi_hc_nd_ac
	1558	theta_air_ac = theta_air
	1559	!
	1560	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
	1561	!-- again.
	1562	ELSE
	1563	!
	1564	!-- Temperature not correct, calculation method according to section C4.2
	1565	theta_air_0 = theta_air !< Note temperature without heating/cooling
	1566	!
	1567	!-- Heating or cooling?
	1568	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
	1569	theta_air_set = buildings(nb)%theta_int_c_set
[4646]	1570	ELSE
	1571	theta_air_set = buildings(nb)%theta_int_h_set
[4246]	1572	ENDIF
	1573
	1574	!-- Calculate the temperature with phi_hc_nd_10
	1575	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1576	phi_hc_nd = phi_hc_nd_10
	1577
[4646]	1578	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1579	near_facade_temperature, phi_hc_nd )
	1580
[4246]	1581	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
	1582
[4646]	1583	phi_hc_nd_un = phi_hc_nd_10 * ( theta_air_set - theta_air_0 ) &
[4246]	1584	/ ( theta_air_10 - theta_air_0 ) !< Eq. (C.13)
	1585	!
[4646]	1586	!-- Step 3: with temperature ratio to determine the heating or cooling capacity
	1587	!-- If necessary, limit the power to maximum power.
[4246]	1588	!-- section C.4.1 Picture C.2 zone 2) and 4)
	1589	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
	1590	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
[4646]	1591	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
	1592	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
[4246]	1593	phi_hc_nd_ac = phi_hc_nd_un
	1594	phi_hc_nd = phi_hc_nd_un
	1595	ELSE
	1596	!
[4646]	1597	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
	1598	!-- (phi_hc_nd_un negative)
[4246]	1599	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1600	IF ( phi_hc_nd_un > 0.0_wp ) THEN
	1601	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
[4646]	1602	ELSE
[4246]	1603	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
	1604	ENDIF
	1605	ENDIF
[4646]	1606	phi_hc_nd = phi_hc_nd_ac
[4246]	1607	!
	1608	!-- Calculate the temperature with phi_hc_nd_ac (new)
[4646]	1609	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1610	near_facade_temperature, phi_hc_nd )
[4246]	1611	theta_air_ac = theta_air
	1612	ENDIF
	1613	!
	1614	!-- Update theta_m_t_prev
	1615	theta_m_t_prev = theta_m_t
[4646]	1616
[4246]	1617	q_vent = h_v * ( theta_air - near_facade_temperature )
	1618	!
[4646]	1619	!-- Calculate the operating temperature with weighted mean of temperature of air and mean.
	1620	!-- Will be used for thermal comfort calculations.
[4246]	1621	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s
	1622	! surf_usm_v(l)%t_indoor(m) = theta_op !< not integrated yet
	1623	!
[4646]	1624	!-- Heat flux into the wall. Value needed in urban_surface_mod to
[4246]	1625	!-- calculate heat transfer through wall layers towards the facade
[4646]	1626	q_wall_win = h_t_ms * ( theta_s - theta_m ) &
	1627	/ ( facade_element_area - window_area_per_facade )
[4246]	1628	q_trans = q_wall_win * facade_element_area
	1629	!
	1630	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
	1631	surf_usm_v(l)%iwghf_eb(m) = q_wall_win
	1632	surf_usm_v(l)%iwghf_eb_window(m) = q_wall_win
	1633	!
[4646]	1634	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
	1635	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
[4246]	1636	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1637	!
[4646]	1638	!-- Calculation of waste heat.
	1639	!-- Anthropogenic heat output.
	1640	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
[4246]	1641	heating_on = 1
	1642	cooling_on = 0
[4646]	1643	ELSE
[4246]	1644	heating_on = 0
	1645	cooling_on = -1
	1646	ENDIF
	1647
[4646]	1648	q_waste_heat = ( phi_hc_nd * ( buildings(nb)%params_waste_heat_h * heating_on + &
	1649	buildings(nb)%params_waste_heat_c * cooling_on ) &
	1650	) / facade_element_area !< [W/m2] , observe the directional convention in
	1651	!< PALM!
[4246]	1652	surf_usm_v(l)%waste_heat(m) = q_waste_heat
	1653	ENDDO !< Vertical surfaces loop
	1654	ENDIF !< buildings(nb)%on_pe
	1655	ENDDO !< buildings loop
	1656
	1657	!
[4646]	1658	!-- Determine the mean building temperature.
[4246]	1659	DO nb = 1, num_build
	1660	!
[4646]	1661	!-- Allocate dummy array used for summing-up facade elements.
	1662	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
	1663	!-- allocated on all PEs.
[4246]	1664	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1665	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1666	t_in_l_send = 0.0_wp
	1667	t_in_recv = 0.0_wp
	1668
	1669	IF ( buildings(nb)%on_pe ) THEN
	1670	t_in_l_send = buildings(nb)%t_in_l
	1671	ENDIF
	1672
	1673
[4646]	1674	#if defined( __parallel )
	1675	CALL MPI_ALLREDUCE( t_in_l_send, &
	1676	t_in_recv, &
	1677	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	1678	MPI_REAL, &
	1679	MPI_SUM, &
	1680	comm2d, &
[4246]	1681	ierr )
	1682
[4646]	1683	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = t_in_recv
[4246]	1684	#else
[4646]	1685	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = buildings(nb)%t_in_l
[4246]	1686	#endif
	1687
	1688	IF ( ALLOCATED( buildings(nb)%t_in ) ) THEN
	1689	!
[4646]	1690	!-- Average indoor temperature. Note, in case a building is completely surrounded by higher
	1691	!-- buildings, it may have no facade elements at some height levels, which will lead to a
	1692	!-- division by zero.
[4246]	1693	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	1694	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) > 0 ) THEN
	1695	buildings(nb)%t_in(k) = buildings(nb)%t_in(k) / &
	1696	REAL( buildings(nb)%num_facade_h(k) + &
	1697	buildings(nb)%num_facade_v(k), KIND = wp )
[4246]	1698	ENDIF
	1699	ENDDO
[4299]	1700	!
[4646]	1701	!-- If indoor temperature is not defined because of missing facade elements, the values from
	1702	!-- the above-lying level will be taken.
	1703	!-- At least at the top of the buildings facades are defined, so that at least there an indoor
	1704	!-- temperature is defined. This information will propagate downwards the building.
[4299]	1705	DO k = buildings(nb)%kb_max-1, buildings(nb)%kb_min, -1
[4646]	1706	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) <= 0 ) THEN
[4299]	1707	buildings(nb)%t_in(k) = buildings(nb)%t_in(k+1)
	1708	ENDIF
	1709	ENDDO
[4246]	1710	ENDIF
	1711
[4646]	1712
[4246]	1713	!
	1714	!-- Deallocate dummy arrays
	1715	DEALLOCATE( t_in_l_send )
	1716	DEALLOCATE( t_in_recv )
	1717
	1718	ENDDO
[4646]	1719
[4246]	1720	END SUBROUTINE im_main_heatcool
	1721
[4646]	1722
	1723	!--------------------------------------------------------------------------------------------------!
[4246]	1724	! Description:
	1725	!-------------
	1726	!> Check data output for plant canopy model
[4646]	1727	!--------------------------------------------------------------------------------------------------!
[4246]	1728	SUBROUTINE im_check_data_output( var, unit )
[4402]	1729
[4246]	1730	CHARACTER (LEN=*) :: unit !<
	1731	CHARACTER (LEN=*) :: var !<
[4646]	1732
[4246]	1733	SELECT CASE ( TRIM( var ) )
[4646]	1734
	1735
[4246]	1736	CASE ( 'im_hf_roof')
	1737	unit = 'W m-2'
[4646]	1738
[4246]	1739	CASE ( 'im_hf_wall_win' )
	1740	unit = 'W m-2'
[4646]	1741
[4246]	1742	CASE ( 'im_hf_wall_win_waste' )
	1743	unit = 'W m-2'
[4646]	1744
[4246]	1745	CASE ( 'im_hf_roof_waste' )
	1746	unit = 'W m-2'
[4646]	1747
[4246]	1748	CASE ( 'im_t_indoor_mean' )
	1749	unit = 'K'
[4646]	1750
[4246]	1751	CASE ( 'im_t_indoor_roof' )
	1752	unit = 'K'
[4646]	1753
[4246]	1754	CASE ( 'im_t_indoor_wall_win' )
	1755	unit = 'K'
[4646]	1756
[4246]	1757	CASE DEFAULT
	1758	unit = 'illegal'
[4646]	1759
[4246]	1760	END SELECT
[4646]	1761
[4246]	1762	END SUBROUTINE
	1763
	1764
[4646]	1765	!--------------------------------------------------------------------------------------------------!
[4246]	1766	! Description:
	1767	!-------------
	1768	!> Check parameters routine for plant canopy model
[4646]	1769	!--------------------------------------------------------------------------------------------------!
[4246]	1770	SUBROUTINE im_check_parameters
	1771
	1772	! USE control_parameters,
	1773	! ONLY: message_string
[4646]	1774
[4246]	1775	END SUBROUTINE im_check_parameters
	1776
[4646]	1777
	1778	!--------------------------------------------------------------------------------------------------!
[4246]	1779	! Description:
	1780	!-------------
	1781	!> Subroutine defining appropriate grid for netcdf variables.
	1782	!> It is called from subroutine netcdf.
[4646]	1783	!--------------------------------------------------------------------------------------------------!
[4246]	1784	SUBROUTINE im_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
	1785
[4646]	1786	CHARACTER (LEN=*), INTENT(OUT) :: grid_x
	1787	CHARACTER (LEN=*), INTENT(OUT) :: grid_y
	1788	CHARACTER (LEN=*), INTENT(OUT) :: grid_z
	1789	CHARACTER (LEN=*), INTENT(IN) :: var
	1790
	1791	LOGICAL, INTENT(OUT) :: found
	1792
	1793
	1794	found = .TRUE.
[4246]	1795	!
	1796	!-- Check for the grid
	1797	SELECT CASE ( TRIM( var ) )
	1798
	1799	CASE ( 'im_hf_roof', 'im_hf_roof_waste' )
	1800	grid_x = 'x'
	1801	grid_y = 'y'
	1802	grid_z = 'zw'
	1803	!
	1804	!-- Heat fluxes at vertical walls are actually defined on stagged grid, i.e. xu, yv.
	1805	CASE ( 'im_hf_wall_win', 'im_hf_wall_win_waste' )
	1806	grid_x = 'x'
	1807	grid_y = 'y'
	1808	grid_z = 'zu'
	1809
	1810	CASE ( 'im_t_indoor_mean', 'im_t_indoor_roof', 'im_t_indoor_wall_win')
	1811	grid_x = 'x'
	1812	grid_y = 'y'
	1813	grid_z = 'zw'
[4646]	1814
[4246]	1815	CASE DEFAULT
	1816	found = .FALSE.
	1817	grid_x = 'none'
	1818	grid_y = 'none'
	1819	grid_z = 'none'
	1820	END SELECT
[4646]	1821
[4246]	1822	END SUBROUTINE im_define_netcdf_grid
	1823
[4646]	1824
	1825	!--------------------------------------------------------------------------------------------------!
[4246]	1826	! Description:
	1827	! ------------
	1828	!> Subroutine defining 3D output variables
[4646]	1829	!--------------------------------------------------------------------------------------------------!
	1830	SUBROUTINE im_data_output_3d( av, variable, found, local_pf, fill_value, nzb_do, nzt_do )
[4246]	1831
[4402]	1832	USE indices
	1833
	1834	USE kinds
	1835
[4646]	1836	CHARACTER (LEN=*) :: variable !<
[4246]	1837
[4646]	1838	INTEGER(iwp) :: av !<
	1839	INTEGER(iwp) :: i !<
	1840	INTEGER(iwp) :: j !<
	1841	INTEGER(iwp) :: k !<
[4246]	1842	INTEGER(iwp) :: l !<
[4646]	1843	INTEGER(iwp) :: m !<
	1844	INTEGER(iwp) :: nb !< index of the building in the building data structure
[4246]	1845	INTEGER(iwp) :: nzb_do !< lower limit of the data output (usually 0)
	1846	INTEGER(iwp) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d)
	1847
[4646]	1848	LOGICAL :: found !<
	1849
[4246]	1850	REAL(wp), INTENT(IN) :: fill_value !< value for the _FillValue attribute
	1851
[4646]	1852	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !<
	1853
[4246]	1854	local_pf = fill_value
[4646]	1855
[4246]	1856	found = .TRUE.
[4646]	1857
[4246]	1858	SELECT CASE ( TRIM( variable ) )
	1859	!
[4646]	1860	!-- Output of indoor temperature. All grid points within the building are filled with values,
	1861	!-- while atmospheric grid points are set to _FillValues.
[4246]	1862	CASE ( 'im_t_indoor_mean' )
	1863	IF ( av == 0 ) THEN
	1864	DO i = nxl, nxr
	1865	DO j = nys, nyn
	1866	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	1867	!
[4646]	1868	!-- Determine index of the building within the building data structure.
	1869	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	1870	IF ( buildings(nb)%on_pe ) THEN
	1871	!
[4646]	1872	!-- Write mean building temperature onto output array. Please note, in
	1873	!-- contrast to many other loops in the output, the vertical bounds are
	1874	!-- determined by the lowest and hightest vertical index occupied by the
	1875	!-- building.
[4246]	1876	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
	1877	local_pf(i,j,k) = buildings(nb)%t_in(k)
	1878	ENDDO
	1879	ENDIF
	1880	ENDIF
	1881	ENDDO
	1882	ENDDO
[4646]	1883	ENDIF
[4246]	1884
	1885	CASE ( 'im_hf_roof' )
[4646]	1886	IF ( av == 0 ) THEN
[4246]	1887	DO m = 1, surf_usm_h%ns
	1888	i = surf_usm_h%i(m) !+ surf_usm_h%ioff
	1889	j = surf_usm_h%j(m) !+ surf_usm_h%joff
	1890	k = surf_usm_h%k(m) !+ surf_usm_h%koff
	1891	local_pf(i,j,k) = surf_usm_h%iwghf_eb(m)
	1892	ENDDO
[4646]	1893	ENDIF
[4246]	1894
	1895	CASE ( 'im_hf_roof_waste' )
[4646]	1896	IF ( av == 0 ) THEN
	1897	DO m = 1, surf_usm_h%ns
[4246]	1898	i = surf_usm_h%i(m) !+ surf_usm_h%ioff
	1899	j = surf_usm_h%j(m) !+ surf_usm_h%joff
	1900	k = surf_usm_h%k(m) !+ surf_usm_h%koff
	1901	local_pf(i,j,k) = surf_usm_h%waste_heat(m)
	1902	ENDDO
	1903	ENDIF
	1904
	1905	CASE ( 'im_hf_wall_win' )
[4646]	1906	IF ( av == 0 ) THEN
[4246]	1907	DO l = 0, 3
	1908	DO m = 1, surf_usm_v(l)%ns
	1909	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
	1910	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
	1911	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
	1912	local_pf(i,j,k) = surf_usm_v(l)%iwghf_eb(m)
	1913	ENDDO
	1914	ENDDO
	1915	ENDIF
	1916
	1917	CASE ( 'im_hf_wall_win_waste' )
[4646]	1918	IF ( av == 0 ) THEN
[4246]	1919	DO l = 0, 3
[4646]	1920	DO m = 1, surf_usm_v(l)%ns
[4246]	1921	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
	1922	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
	1923	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
[4646]	1924	local_pf(i,j,k) = surf_usm_v(l)%waste_heat(m)
[4246]	1925	ENDDO
	1926	ENDDO
	1927	ENDIF
	1928
	1929	!
	1930	!< NOTE im_t_indoor_roof and im_t_indoor_wall_win not work yet
	1931
	1932	! CASE ( 'im_t_indoor_roof' )
[4646]	1933	! IF ( av == 0 ) THEN
[4246]	1934	! DO m = 1, surf_usm_h%ns
	1935	! i = surf_usm_h%i(m) !+ surf_usm_h%ioff
	1936	! j = surf_usm_h%j(m) !+ surf_usm_h%joff
	1937	! k = surf_usm_h%k(m) !+ surf_usm_h%koff
	1938	! local_pf(i,j,k) = surf_usm_h%t_indoor(m)
	1939	! ENDDO
	1940	! ENDIF
[4646]	1941	!
[4246]	1942	! CASE ( 'im_t_indoor_wall_win' )
[4646]	1943	! IF ( av == 0 ) THEN
[4246]	1944	! DO l = 0, 3
	1945	! DO m = 1, surf_usm_v(l)%ns
	1946	! i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
	1947	! j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
	1948	! k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
	1949	! local_pf(i,j,k) = surf_usm_v(l)%t_indoor(m)
	1950	! ENDDO
	1951	! ENDDO
	1952	! ENDIF
	1953
	1954	CASE DEFAULT
	1955	found = .FALSE.
	1956
[4646]	1957	END SELECT
	1958
	1959	END SUBROUTINE im_data_output_3d
	1960
	1961
	1962	!--------------------------------------------------------------------------------------------------!
[4246]	1963	! Description:
	1964	! ------------
	1965	!> Parin for &indoor_parameters for indoor model
[4646]	1966	!--------------------------------------------------------------------------------------------------!
[4246]	1967	SUBROUTINE im_parin
[4646]	1968
	1969	USE control_parameters, &
[4246]	1970	ONLY: indoor_model
	1971
[4402]	1972
[4246]	1973	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
	1974
[4310]	1975	NAMELIST /indoor_parameters/ initial_indoor_temperature
[4246]	1976
[4646]	1977
[4246]	1978	!
	1979	!-- Try to find indoor model package
	1980	REWIND ( 11 )
	1981	line = ' '
[4646]	1982	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
[4246]	1983	READ ( 11, '(A)', END=10 ) line
	1984	ENDDO
	1985	BACKSPACE ( 11 )
	1986
	1987	!
	1988	!-- Read user-defined namelist
	1989	READ ( 11, indoor_parameters )
	1990	!
	1991	!-- Set flag that indicates that the indoor model is switched on
	1992	indoor_model = .TRUE.
	1993
	1994	!
	1995	!-- Activate spinup (maybe later
	1996	! IF ( spinup_time > 0.0_wp ) THEN
	1997	! coupling_start_time = spinup_time
	1998	! end_time = end_time + spinup_time
	1999	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
	2000	! spinup_pt_mean = pt_surface
	2001	! ENDIF
	2002	! spinup = .TRUE.
	2003	! ENDIF
	2004
	2005	10 CONTINUE
[4646]	2006
[4246]	2007	END SUBROUTINE im_parin
	2008
	2009
	2010	END MODULE indoor_model_mod

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