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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 4686

Last change on this file since 4686 was 4681, checked in by pavelkrc, 4 years ago
Fix indexing of horizontal surfaces in indoor model
Property svn:keywords set to `Id`
File size: 104.1 KB

Rev	Line
[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 4681 2020-09-16 10:23:06Z pavelkrc $
[4681]	27	! Bugfix for implementation of downward surfaces
	28	!
	29	! 4671 2020-09-09 20:27:58Z pavelkrc
[4671]	30	! Implementation of downward facing USM and LSM surfaces
	31	!
	32	! 4646 2020-08-24 16:02:40Z raasch
[4646]	33	! file re-formatted to follow the PALM coding standard
	34	!
	35	! 4481 2020-03-31 18:55:54Z maronga
	36	! Change order of dimension in surface array %frac to allow for better vectorization.
	37	!
[4442]	38	! 4441 2020-03-04 19:20:35Z suehring
[4646]	39	! Major bugfix in calculation of energy demand - floor-area-per-facade was wrongly calculated
	40	! leading to unrealistically high energy demands and thus to unreallistically high waste-heat
	41	! fluxes.
	42	!
[4402]	43	! 4346 2019-12-18 11:55:56Z motisi
[4646]	44	! Introduction of wall_flags_total_0, which currently sets bits based on static topography
	45	! information used in wall_flags_static_0
	46	!
[4346]	47	! 4329 2019-12-10 15:46:36Z motisi
[4329]	48	! Renamed wall_flags_0 to wall_flags_static_0
[4646]	49	!
[4329]	50	! 4310 2019-11-26 19:01:28Z suehring
[4646]	51	! Remove dt_indoor from namelist input. The indoor model is an hourly-based model, calling it
	52	! more/less often lead to inaccurate results.
	53	!
[4310]	54	! 4299 2019-11-22 10:13:38Z suehring
[4646]	55	! Output of indoor temperature revised (to avoid non-defined values within buildings)
	56	!
[4299]	57	! 4267 2019-10-16 18:58:49Z suehring
[4267]	58	! Bugfix in initialization, some indices to access building_pars where wrong.
	59	! Introduction of seasonal parameters.
[4646]	60	!
[4267]	61	! 4246 2019-09-30 09:27:52Z pavelkrc
[4646]	62	!
	63	!
[4245]	64	! 4242 2019-09-27 12:59:10Z suehring
[4246]	65	! Bugfix in array index
[4646]	66	!
[4246]	67	! 4238 2019-09-25 16:06:01Z suehring
	68	! - Bugfix in determination of minimum facade height and in location message
	69	! - Bugfix, avoid division by zero
[4646]	70	! - Some optimization
	71	!
[4246]	72	! 4227 2019-09-10 18:04:34Z gronemeier
	73	! implement new palm_date_time_mod
	74	!
	75	! 4217 2019-09-04 09:47:05Z scharf
	76	! Corrected "Former revisions" section
	77	!
	78	! 4209 2019-09-02 12:00:03Z suehring
	79	! - Bugfix in initialization of indoor temperature
[4646]	80	! - Prescibe default indoor temperature in case it is not given in the namelist input
[4246]	81	!
	82	! 4182 2019-08-21 14:37:54Z scharf
	83	! Corrected "Former revisions" section
[4646]	84	!
[4246]	85	! 4148 2019-08-08 11:26:00Z suehring
[4646]	86	! Bugfix in case of non grid-resolved buildings. Further, vertical grid spacing is now considered at
	87	! the correct level.
[4246]	88	! - change calculation of a_m and c_m
	89	! - change calculation of u-values (use h_es in building array)
	90	! - rename h_tr_... to h_t_...
	91	! h_tr_em to h_t_wm
	92	! h_tr_op to h_t_wall
	93	! h_tr_w to h_t_es
	94	! - rename h_ve to h_v
	95	! - rename h_is to h_ms
	96	! - inserted net_floor_area
	97	! - inserted params_waste_heat_h, params_waste_heat_c from building database
	98	! in building array
	99	! - change calculation of q_waste_heat
[4646]	100	! - bugfix in averaging mean indoor temperature
	101	!
[4246]	102	! 3759 2019-02-21 15:53:45Z suehring
	103	! - Calculation of total building volume
	104	! - Several bugfixes
	105	! - Calculation of building height revised
[4646]	106	!
[4246]	107	! 3745 2019-02-15 18:57:56Z suehring
	108	! - remove building_type from module
[4646]	109	! - initialize parameters for each building individually instead of a bulk initializaion with
	110	! identical building type for all
[4246]	111	! - output revised
	112	! - add missing _wp
	113	! - some restructuring of variables in building data structure
[4646]	114	!
[4246]	115	! 3744 2019-02-15 18:38:58Z suehring
	116	! Some interface calls moved to module_interface + cleanup
[4646]	117	!
[4246]	118	! 3469 2018-10-30 20:05:07Z kanani
	119	! Initial revision (tlang, suehring, kanani, srissman)!
	120	!
	121	! Authors:
	122	! --------
	123	! @author Tobias Lang
	124	! @author Jens Pfafferott
	125	! @author Farah Kanani-Suehring
	126	! @author Matthias Suehring
	127	! @author Sascha RiÃmann
	128	!
	129	!
	130	! Description:
	131	! ------------
	132	!> Module for Indoor Climate Model (ICM)
	133	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
	134	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
[4646]	135	!> This module differs between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine
	136	!> thermal comfort
	137	!> the heat transfer between indoor and outdoor is simplified
[4246]	138
[4646]	139	!> @todo Many statement comments that are given as doxygen comments need to be changed to normal comments
[4246]	140	!> @todo Replace window_area_per_facade by %frac(1,m) for window
[4646]	141	!> @todo emissivity change for window blinds if solar_protection_on=1
[4246]	142
	143	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
	144	!> @note How to write indoor temperature output to pt array?
	145	!>
	146	!> @bug <Enter known bugs here>
[4646]	147	!--------------------------------------------------------------------------------------------------!
	148	MODULE indoor_model_mod
[4246]	149
[4646]	150	USE arrays_3d, &
	151	ONLY: ddzw, &
	152	dzw, &
[4402]	153	pt
	154
[4646]	155	USE control_parameters, &
[4246]	156	ONLY: initializing_actions
	157
	158	USE kinds
[4646]	159
	160	USE netcdf_data_input_mod, &
[4246]	161	ONLY: building_id_f, building_type_f
	162
[4646]	163	USE palm_date_time_mod, &
	164	ONLY: get_date_time, northward_equinox, seconds_per_hour, southward_equinox
[4267]	165
[4646]	166	USE surface_mod, &
[4246]	167	ONLY: surf_usm_h, surf_usm_v
	168
	169
	170	IMPLICIT NONE
	171
	172	!
	173	!-- Define data structure for buidlings.
	174	TYPE build
	175
	176	INTEGER(iwp) :: id !< building ID
[4646]	177	INTEGER(iwp) :: kb_max !< highest vertical index of a building
[4246]	178	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
	179	INTEGER(iwp) :: num_facades_per_building_h = 0 !< total number of horizontal facades elements
	180	INTEGER(iwp) :: num_facades_per_building_h_l = 0 !< number of horizontal facade elements on local subdomain
	181	INTEGER(iwp) :: num_facades_per_building_v = 0 !< total number of vertical facades elements
	182	INTEGER(iwp) :: num_facades_per_building_v_l = 0 !< number of vertical facade elements on local subdomain
	183	INTEGER(iwp) :: ventilation_int_loads !< [-] allocation of activity in the building
	184
[4681]	185	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_h !< index array linking surface-element orientation index
	186	!< for horizontal surfaces with building
[4246]	187	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
[4646]	188	!< for vertical surfaces with building
[4246]	189	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
	190	!< horizontal surfaces with building
[4646]	191	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
[4246]	192	!< vertical surfaces with building
[4646]	193	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
[4246]	194	!< and height level
	195	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
	196	!< and height level
	197
[4646]	198
[4246]	199	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
[4646]	200
[4246]	201	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
	202	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
	203	REAL(wp) :: area_facade !< [m2] area of total facade
	204	REAL(wp) :: building_height !< building height
	205	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
	206	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5
	207	!< (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
[4646]	208	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000
[4246]	209	!< (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
	210	REAL(wp) :: f_c_win !< [-] shading factor
[4402]	211	REAL(wp) :: fapf !< [m2/m2] floor area per facade
[4246]	212	REAL(wp) :: g_value_win !< [-] SHGC factor
[4646]	213	REAL(wp) :: h_es !< [W/(m2 K)] surface-related heat transfer coefficient between extern and surface
[4246]	214	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
	215	REAL(wp) :: height_storey !< [m] storey heigth
	216	REAL(wp) :: params_waste_heat_c !< [-] anthropogenic heat outputs for cooling e.g. 1.33 for KKM with COP = 3
[4646]	217	REAL(wp) :: params_waste_heat_h !< [-] anthropogenic heat outputs for heating e.g. 1 - 0.9 = 0.1 for combustion with
	218	!< eta = 0.9 or -2 for WP with COP = 3
[4246]	219	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
	220	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (positive)
	221	REAL(wp) :: q_c_max !< [W/m2] Max. Cooling heat flux per netto floor area (negative)
	222	REAL(wp) :: q_h_max !< [W/m2] Max. Heating heat flux per netto floor area (positive)
	223	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
	224	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
	225	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
	226	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
	227	REAL(wp) :: net_floor_area !< [m2] netto ground area
	228	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
	229	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
	230	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
	231	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
	232	REAL(wp) :: vol_tot !< [m3] total building volume
	233
	234	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
	235	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
	236	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
	237	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
	238	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
[4646]	239
[4246]	240	END TYPE build
	241
	242	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
	243
	244	INTEGER(iwp) :: num_build !< total number of buildings in domain
	245	!
	246	!-- Declare all global variables within the module
[4646]	247
	248	REAL(wp), PARAMETER :: dt_indoor = 3600.0_wp !< [s] time interval for indoor-model application, fixed to
	249	!< 3600.0 due to model requirements
	250	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
	251	!< surface and air (chap. 7.2.2.2)
	252	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
	253	!< component and surface (chap. 12.2.2)
	254	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly
	255	!< cooling 2.0_wp
	256	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall
	257	!< DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
	258	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus
	259	!< Datenbank 27 window_area_per_facade_percent
	260	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation
	261	!< on facade exceeds this value
	262
[4246]	263	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
	264	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
	265	INTEGER(iwp) :: solar_protection_off !< Solar protection off
	266	INTEGER(iwp) :: solar_protection_on !< Solar protection on
	267
[4310]	268
[4246]	269	REAL(wp) :: a_m !< [m2] the effective mass-related area
	270	REAL(wp) :: air_change !< [1/h] Airflow
	271	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
	272	REAL(wp) :: facade_element_area !< [m2_facade] building surface facade
	273	REAL(wp) :: floor_area_per_facade !< [m2/m2] floor area per facade area
	274	REAL(wp) :: h_t_1 !< [W/K] Heat transfer coefficient auxiliary variable 1
	275	REAL(wp) :: h_t_2 !< [W/K] Heat transfer coefficient auxiliary variable 2
[4646]	276	REAL(wp) :: h_t_3 !< [W/K] Heat transfer coefficient auxiliary variable 3
	277	REAL(wp) :: h_t_es !< [W/K] heat transfer coefficient of doors, windows, curtain walls and
	278	!< glazed walls (assumption: thermal mass=0)
[4246]	279	REAL(wp) :: h_t_is !< [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
	280	REAL(wp) :: h_t_ms !< [W/K] Heat transfer conductance term (got with h_t_wm the thermal mass)
	281	REAL(wp) :: h_t_wall !< [W/K] heat transfer coefficient of opaque components (assumption: got all
	282	!< thermal mass) contains of h_t_wm and h_t_ms
[4646]	283	REAL(wp) :: h_t_wm !< [W/K] Heat transfer coefficient of the emmision (got with h_t_ms the
	284	!< thermal mass)
[4246]	285	REAL(wp) :: h_v !< [W/K] heat transfer of ventilation
	286	REAL(wp) :: indoor_volume_per_facade !< [m3] indoor air volume per facade element
	287	REAL(wp) :: initial_indoor_temperature = 293.15 !< [K] initial indoor temperature (namelist parameter)
	288	REAL(wp) :: net_sw_in !< [W/m2] net short-wave radiation
	289	REAL(wp) :: phi_hc_nd !< [W] heating demand and/or cooling demand
[4646]	290	REAL(wp) :: phi_hc_nd_10 !< [W] heating demand and/or cooling demand for heating or cooling
[4246]	291	REAL(wp) :: phi_hc_nd_ac !< [W] actual heating demand and/or cooling demand
	292	REAL(wp) :: phi_hc_nd_un !< [W] unlimited heating demand and/or cooling demand which is necessary to
[4646]	293	!< reach the demanded required temperature (heating is positive,
	294	!< cooling is negative)
[4246]	295	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
	296	REAL(wp) :: phi_m !< [W] mass specific thermal load (internal and external)
	297	REAL(wp) :: phi_mtot !< [W] total mass specific thermal load (internal and external)
	298	REAL(wp) :: phi_sol !< [W] solar loads
[4646]	299	REAL(wp) :: phi_st !< [W] mass specific thermal load implied non thermal mass
[4246]	300	REAL(wp) :: q_wall_win !< [W/m2]heat flux from indoor into wall/window
	301	REAL(wp) :: q_waste_heat !< [W/m2]waste heat, sum of waste heat over the roof to Palm
[4646]	302
[4246]	303	REAL(wp) :: q_c_m !< [W] Energy of thermal storage mass specific thermal load for internal
	304	!< and external heatsources (for energy bilanz)
[4646]	305	REAL(wp) :: q_c_st !< [W] Energy of thermal storage mass specific thermal load implied non
	306	!< thermal mass (for energy bilanz)
[4246]	307	REAL(wp) :: q_int !< [W] Energy of internal air load (for energy bilanz)
	308	REAL(wp) :: q_sol !< [W] Energy of solar (for energy bilanz)
	309	REAL(wp) :: q_trans !< [W] Energy of transmission (for energy bilanz)
	310	REAL(wp) :: q_vent !< [W] Energy of ventilation (for energy bilanz)
[4646]	311
[4246]	312	REAL(wp) :: schedule_d !< [-] activation for internal loads (low or high + low)
	313	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
	314	REAL(wp) :: theta_air !< [degree_C] air temperature of the RC-node
	315	REAL(wp) :: theta_air_0 !< [degree_C] air temperature of the RC-node in equilibrium
[4646]	316	REAL(wp) :: theta_air_10 !< [degree_C] air temperature of the RC-node from a heating capacity
[4246]	317	!< of 10 W/m2
	318	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
	319	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
	320	REAL(wp) :: theta_m !< [degree_C} inner temperature of the RC-node
	321	REAL(wp) :: theta_m_t !< [degree_C] (Fictive) component temperature timestep
	322	REAL(wp) :: theta_m_t_prev !< [degree_C] (Fictive) component temperature previous timestep (do not change)
	323	REAL(wp) :: theta_op !< [degree_C] operative temperature
	324	REAL(wp) :: theta_s !< [degree_C] surface temperature of the RC-node
	325	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
	326	REAL(wp) :: total_area !< [m2] area of all surfaces pointing to zone
	327	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
[4646]	328
[4267]	329	!
	330	!-- Definition of seasonal parameters, summer and winter, for different building types
[4646]	331	REAL(wp), DIMENSION(0:1,1:7) :: summer_pars = RESHAPE( (/ & ! building_type 1
	332	0.5_wp, & ! basical airflow without occupancy of the room
	333	2.0_wp, & ! additional airflow depend of occupancy of the room
	334	0.5_wp, & ! building_type 2: basical airflow without occupancy
	335	! of the room
	336	2.0_wp, & ! additional airflow depend of occupancy of the room
	337	0.8_wp, & ! building_type 3: basical airflow without occupancy
	338	! of the room
	339	2.0_wp, & ! additional airflow depend of occupancy of the room
	340	0.1_wp, & ! building_type 4: basical airflow without occupancy
	341	! of the room
	342	1.5_wp, & ! additional airflow depend of occupancy of the room
	343	0.1_wp, & ! building_type 5: basical airflow without occupancy
	344	! of the room
	345	1.5_wp, & ! additional airflow depend of occupancy of the room
	346	0.1_wp, & ! building_type 6: basical airflow without occupancy
	347	! of the room
	348	1.5_wp, & ! additional airflow depend of occupancy of the room
	349	0.1_wp, & ! building_type 7: basical airflow without occupancy
	350	! of the room
	351	1.5_wp & ! additional airflow depend of occupancy of the room
[4267]	352	/), (/ 2, 7 /) )
[4246]	353
[4646]	354	REAL(wp), DIMENSION(0:1,1:7) :: winter_pars = RESHAPE( (/ & ! building_type 1
	355	0.1_wp, & ! basical airflow without occupancy of the room
	356	0.5_wp, & ! additional airflow depend of occupancy of the room
	357	0.1_wp, & ! building_type 2: basical airflow without occupancy
	358	! of the room
	359	0.5_wp, & ! additional airflow depend of occupancy of the room
	360	0.1_wp, & ! building_type 3: basical airflow without occupancy
	361	! of the room
	362	0.5_wp, & ! additional airflow depend of occupancy of the room
	363	0.1_wp, & ! building_type 4: basical airflow without occupancy
	364	! of the room
	365	1.5_wp, & ! additional airflow depend of occupancy of the room
	366	0.1_wp, & ! building_type 5: basical airflow without occupancy
	367	! of the room
	368	1.5_wp, & ! additional airflow depend of occupancy of the room
	369	0.1_wp, & ! building_type 6: basical airflow without occupancy
	370	! of the room
	371	1.5_wp, & ! additional airflow depend of occupancy of the room
	372	0.1_wp, & ! building_type 7: basical airflow without occupancy
	373	! of the room
	374	1.5_wp & ! additional airflow depend of occupancy of the room
[4267]	375	/), (/ 2, 7 /) )
	376
[4246]	377	SAVE
	378
	379
	380	PRIVATE
[4646]	381
[4246]	382	!
	383	!-- Add INTERFACES that must be available to other modules
[4646]	384	PUBLIC im_init, im_main_heatcool, im_parin, im_define_netcdf_grid, im_check_data_output, &
	385	im_data_output_3d, im_check_parameters
[4246]	386
[4646]	387
[4246]	388	!
	389	!-- Add VARIABLES that must be available to other modules
	390	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
	391
	392	!
	393	!-- PALM interfaces:
	394	!-- Data output checks for 2D/3D data to be done in check_parameters
	395	INTERFACE im_check_data_output
	396	MODULE PROCEDURE im_check_data_output
	397	END INTERFACE im_check_data_output
	398	!
	399	!-- Input parameter checks to be done in check_parameters
	400	INTERFACE im_check_parameters
	401	MODULE PROCEDURE im_check_parameters
	402	END INTERFACE im_check_parameters
	403	!
	404	!-- Data output of 3D data
	405	INTERFACE im_data_output_3d
	406	MODULE PROCEDURE im_data_output_3d
	407	END INTERFACE im_data_output_3d
	408
	409	!
	410	!-- Definition of data output quantities
	411	INTERFACE im_define_netcdf_grid
	412	MODULE PROCEDURE im_define_netcdf_grid
	413	END INTERFACE im_define_netcdf_grid
[4646]	414	!
[4246]	415	! !
	416	! !-- Output of information to the header file
	417	! INTERFACE im_header
	418	! MODULE PROCEDURE im_header
	419	! END INTERFACE im_header
	420	!
[4646]	421	!-- Calculations for indoor temperatures
[4246]	422	INTERFACE im_calc_temperatures
	423	MODULE PROCEDURE im_calc_temperatures
	424	END INTERFACE im_calc_temperatures
	425	!
[4646]	426	!-- Initialization actions
[4246]	427	INTERFACE im_init
	428	MODULE PROCEDURE im_init
	429	END INTERFACE im_init
	430	!
[4646]	431	!-- Main part of indoor model
[4246]	432	INTERFACE im_main_heatcool
	433	MODULE PROCEDURE im_main_heatcool
	434	END INTERFACE im_main_heatcool
	435	!
	436	!-- Reading of NAMELIST parameters
	437	INTERFACE im_parin
	438	MODULE PROCEDURE im_parin
	439	END INTERFACE im_parin
	440
	441	CONTAINS
	442
[4646]	443	!--------------------------------------------------------------------------------------------------!
[4246]	444	! Description:
	445	! ------------
[4646]	446	!< Calculation of the air temperatures and mean radiation temperature.
	447	!< This is basis for the operative temperature.
	448	!< Based on a Crank-Nicholson scheme with a timestep of a hour.
	449	!--------------------------------------------------------------------------------------------------!
	450	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
[4246]	451	near_facade_temperature, phi_hc_nd_dummy )
[4402]	452
[4246]	453	INTEGER(iwp) :: i
	454	INTEGER(iwp) :: j
	455	INTEGER(iwp) :: k
[4646]	456
[4246]	457	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	458	REAL(wp) :: near_facade_temperature
	459	REAL(wp) :: phi_hc_nd_dummy
	460	!
	461	!-- Calculation of total mass specific thermal load (internal and external)
[4646]	462	phi_mtot = ( phi_m + h_t_wm * indoor_wall_window_temperature &
	463	+ h_t_3 * ( phi_st + h_t_es * pt(k,j,i) &
	464	+ h_t_1 * &
	465	( ( ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
	466	+ near_facade_temperature ) &
	467	) / h_t_2 &
[4246]	468	) !< [degree_C] Eq. (C.5)
[4646]	469	!
[4246]	470	!-- Calculation of component temperature at factual timestep
[4646]	471	theta_m_t = ( ( theta_m_t_prev &
	472	* ( ( c_m / 3600.0_wp ) - 0.5_wp * ( h_t_3 + h_t_wm ) ) &
	473	+ phi_mtot &
	474	) &
	475	/ ( ( c_m / 3600.0_wp ) + 0.5_wp * ( h_t_3 + h_t_wm ) ) &
[4246]	476	) !< [degree_C] Eq. (C.4)
	477	!
	478	!-- Calculation of mean inner temperature for the RC-node in actual timestep
	479	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5_wp !< [degree_C] Eq. (C.9)
[4646]	480
[4246]	481	!
	482	!-- Calculation of mean surface temperature of the RC-node in actual timestep
[4646]	483	theta_s = ( ( h_t_ms * theta_m + phi_st + h_t_es * pt(k,j,i) &
	484	+ h_t_1 * ( near_facade_temperature &
	485	+ ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
	486	) &
	487	/ ( h_t_ms + h_t_es + h_t_1 ) &
[4246]	488	) !< [degree_C] Eq. (C.10)
[4646]	489
[4246]	490	!
	491	!-- Calculation of the air temperature of the RC-node
[4646]	492	theta_air = ( h_t_is * theta_s + h_v * near_facade_temperature + phi_ia + phi_hc_nd_dummy ) / &
	493	( h_t_is + h_v ) !< [degree_C] Eq. (C.11)
[4246]	494
	495	END SUBROUTINE im_calc_temperatures
	496
[4646]	497
	498	!--------------------------------------------------------------------------------------------------!
[4246]	499	! Description:
	500	! ------------
	501	!> Initialization of the indoor model.
[4646]	502	!> Static information are calculated here, e.g. building parameters and geometrical information,
	503	!> anything that doesn't change in time.
[4246]	504	!
	505	!-- Input values
	506	!-- Input datas from Palm, M4
	507	! i_global --> net_sw_in !< global radiation [W/m2]
	508	! theta_e --> pt(k,j,i) !< undisturbed outside temperature, 1. PALM volume, for windows
	509	! theta_sup = theta_f --> surf_usm_h%pt_10cm(m)
[4646]	510	! surf_usm_v(l)%pt_10cm(m) !< Air temperature, facade near (10cm) air temperature from
	511	!< 1. Palm volume
[4246]	512	! theta_node --> t_wall_h(nzt_wall,m)
	513	! t_wall_v(l)%t(nzt_wall,m) !< Temperature of innermost wall layer, for opaque wall
[4646]	514	!--------------------------------------------------------------------------------------------------!
[4246]	515	SUBROUTINE im_init
	516
[4646]	517	USE control_parameters, &
[4267]	518	ONLY: message_string, time_since_reference_point
[4246]	519
[4646]	520	USE indices, &
[4346]	521	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_total_0
[4246]	522
[4646]	523	USE grid_variables, &
[4246]	524	ONLY: dx, dy
	525
	526	USE pegrid
	527
[4646]	528	USE surface_mod, &
[4246]	529	ONLY: surf_usm_h, surf_usm_v
[4646]	530
	531	USE urban_surface_mod, &
[4246]	532	ONLY: building_pars, building_type
	533
[4267]	534	INTEGER(iwp) :: bt !< local building type
	535	INTEGER(iwp) :: day_of_year !< day of the year
	536	INTEGER(iwp) :: i !< running index along x-direction
	537	INTEGER(iwp) :: j !< running index along y-direction
	538	INTEGER(iwp) :: k !< running index along z-direction
	539	INTEGER(iwp) :: l !< running index for surface-element orientation
	540	INTEGER(iwp) :: m !< running index surface elements
	541	INTEGER(iwp) :: n !< building index
	542	INTEGER(iwp) :: nb !< building index
[4246]	543
	544	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
[4646]	545	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
	546	!< multiple occurences are sorted out
[4246]	547	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
	548	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
	549	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
	550	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
	551	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
	552	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
	553	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
[4646]	554	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
[4246]	555	!< horizontal facade elements
[4646]	556	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
[4246]	557	!< vertical facade elements
[4646]	558	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
	559	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
	560
[4246]	561	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
	562	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
[4646]	563
[4246]	564	REAL(wp) :: u_tmp !< dummy for temporary calculation of u-value without h_is
	565	REAL(wp) :: du_tmp !< 1/u_tmp
	566	REAL(wp) :: du_win_tmp !< 1/building(nb)%u_value_win
	567	REAL(wp) :: facade_area_v !< dummy to compute the total facade area from vertical walls
	568
	569	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
	570	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
	571	!< on local subdomain
	572
	573	CALL location_message( 'initializing indoor model', 'start' )
	574	!
[4646]	575	!-- Initializing of indoor model is only possible if buildings can be distinguished by their IDs.
[4246]	576	IF ( .NOT. building_id_f%from_file ) THEN
	577	message_string = 'Indoor model requires information about building_id'
	578	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
	579	ENDIF
	580	!
	581	!-- Determine number of different building IDs on local subdomain.
	582	num_buildings_l = 0
	583	num_buildings = 0
	584	ALLOCATE( build_ids_l(1) )
	585	DO i = nxl, nxr
	586	DO j = nys, nyn
	587	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	588	IF ( num_buildings_l(myid) > 0 ) THEN
[4646]	589	IF ( ANY( building_id_f%var(j,i) == build_ids_l ) ) THEN
[4246]	590	CYCLE
	591	ELSE
	592	num_buildings_l(myid) = num_buildings_l(myid) + 1
	593	!
	594	!-- Resize array with different local building ids
	595	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
	596	build_ids_l_tmp = build_ids_l
	597	DEALLOCATE( build_ids_l )
	598	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
[4646]	599	build_ids_l(1:num_buildings_l(myid)-1) = &
	600	build_ids_l_tmp(1:num_buildings_l(myid)-1)
[4246]	601	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
	602	DEALLOCATE( build_ids_l_tmp )
	603	ENDIF
	604	!
[4646]	605	!-- First occuring building id on PE
	606	ELSE
[4246]	607	num_buildings_l(myid) = num_buildings_l(myid) + 1
	608	build_ids_l(1) = building_id_f%var(j,i)
	609	ENDIF
	610	ENDIF
	611	ENDDO
	612	ENDDO
	613	!
[4646]	614	!-- Determine number of building IDs for the entire domain. (Note, building IDs can appear multiple
	615	!-- times as buildings might be distributed over several PEs.)
	616	#if defined( __parallel )
	617	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, MPI_INTEGER, MPI_SUM, comm2d, &
	618	ierr )
[4246]	619	#else
	620	num_buildings = num_buildings_l
	621	#endif
	622	ALLOCATE( build_ids(1:SUM(num_buildings)) )
	623	!
[4646]	624	!-- Gather building IDs. Therefore, first, determine displacements used required for MPI_GATHERV
	625	!-- call.
[4246]	626	ALLOCATE( displace_dum(0:numprocs-1) )
	627	displace_dum(0) = 0
	628	DO i = 1, numprocs-1
	629	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
	630	ENDDO
	631
[4646]	632	#if defined( __parallel )
	633	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
	634	num_buildings(myid), &
	635	MPI_INTEGER, &
	636	build_ids, &
	637	num_buildings, &
	638	displace_dum, &
	639	MPI_INTEGER, &
	640	comm2d, ierr )
[4246]	641
	642	DEALLOCATE( displace_dum )
	643
	644	#else
	645	build_ids = build_ids_l
	646	#endif
	647	!
[4646]	648	!-- Note: in parallel mode, building IDs can occur mutliple times, as each PE has send its own ids.
	649	!-- Therefore, sort out building IDs which appear multiple times.
[4246]	650	num_build = 0
	651	DO n = 1, SIZE(build_ids)
	652
	653	IF ( ALLOCATED(build_ids_final) ) THEN
	654	IF ( ANY( build_ids(n) == build_ids_final ) ) THEN
	655	CYCLE
	656	ELSE
	657	num_build = num_build + 1
	658	!
	659	!-- Resize
	660	ALLOCATE( build_ids_final_tmp(1:num_build) )
	661	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
	662	DEALLOCATE( build_ids_final )
	663	ALLOCATE( build_ids_final(1:num_build) )
	664	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
	665	build_ids_final(num_build) = build_ids(n)
	666	DEALLOCATE( build_ids_final_tmp )
[4646]	667	ENDIF
[4246]	668	ELSE
	669	num_build = num_build + 1
	670	ALLOCATE( build_ids_final(1:num_build) )
	671	build_ids_final(num_build) = build_ids(n)
	672	ENDIF
	673	ENDDO
	674
	675	!
[4646]	676	!-- Allocate building-data structure array. Note, this is a global array and all building IDs on
	677	!-- domain are known by each PE. Further attributes, e.g. height-dependent arrays, however, are only
	678	!-- allocated on PEs where the respective building is present (in order to reduce memory demands).
[4246]	679	ALLOCATE( buildings(1:num_build) )
	680
	681	!
[4646]	682	!-- Store building IDs and check if building with certain ID is present on subdomain.
[4246]	683	DO nb = 1, num_build
	684	buildings(nb)%id = build_ids_final(nb)
	685
[4646]	686	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) &
[4246]	687	buildings(nb)%on_pe = .TRUE.
[4646]	688	ENDDO
[4246]	689	!
[4646]	690	!-- Determine the maximum vertical dimension occupied by each building.
[4246]	691	ALLOCATE( k_min_l(1:num_build) )
	692	ALLOCATE( k_max_l(1:num_build) )
	693	k_min_l = nzt + 1
[4646]	694	k_max_l = 0
[4246]	695
	696	DO i = nxl, nxr
	697	DO j = nys, nyn
	698	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
[4646]	699	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	700	DO k = nzb, nzt+1
	701	!
[4646]	702	!-- Check if grid point belongs to a building.
[4346]	703	IF ( BTEST( wall_flags_total_0(k,j,i), 6 ) ) THEN
[4246]	704	k_min_l(nb) = MIN( k_min_l(nb), k )
	705	k_max_l(nb) = MAX( k_max_l(nb), k )
	706	ENDIF
	707
	708	ENDDO
	709	ENDIF
	710	ENDDO
	711	ENDDO
	712
[4646]	713	#if defined( __parallel )
	714	CALL MPI_ALLREDUCE( k_min_l(:), buildings(:)%kb_min, num_build, MPI_INTEGER, MPI_MIN, comm2d, &
	715	ierr )
	716	CALL MPI_ALLREDUCE( k_max_l(:), buildings(:)%kb_max, num_build, MPI_INTEGER, MPI_MAX, comm2d, &
	717	ierr )
[4246]	718	#else
	719	buildings(:)%kb_min = k_min_l(:)
	720	buildings(:)%kb_max = k_max_l(:)
	721	#endif
	722
	723	DEALLOCATE( k_min_l )
	724	DEALLOCATE( k_max_l )
	725	!
	726	!-- Calculate building height.
	727	DO nb = 1, num_build
	728	buildings(nb)%building_height = 0.0_wp
	729	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	730	buildings(nb)%building_height = buildings(nb)%building_height + dzw(k+1)
[4246]	731	ENDDO
	732	ENDDO
	733	!
	734	!-- Calculate building volume
	735	DO nb = 1, num_build
	736	!
	737	!-- Allocate temporary array for summing-up building volume
	738	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	739	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	740	volume = 0.0_wp
	741	volume_l = 0.0_wp
	742	!
[4646]	743	!-- Calculate building volume per height level on each PE where these building is present.
[4246]	744	IF ( buildings(nb)%on_pe ) THEN
	745
	746	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	747	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	748	buildings(nb)%volume = 0.0_wp
	749	buildings(nb)%vol_frac = 0.0_wp
[4646]	750
	751	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) THEN
[4246]	752	DO i = nxl, nxr
	753	DO j = nys, nyn
	754	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	755	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
[4246]	756	volume_l(k) = volume_l(k) + dx * dy * dzw(k+1)
	757	ENDDO
	758	ENDDO
	759	ENDDO
	760	ENDIF
	761	ENDIF
	762	!
	763	!-- Sum-up building volume from all subdomains
[4646]	764	#if defined( __parallel )
	765	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, comm2d, ierr )
[4246]	766	#else
	767	volume = volume_l
	768	#endif
	769	!
[4646]	770	!-- Save total building volume as well as local fraction on volume on building data structure.
[4246]	771	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
	772	!
	773	!-- Determine fraction of local on total building volume
	774	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
	775	!
	776	!-- Calculate total building volume
[4646]	777	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%vol_tot = SUM( buildings(nb)%volume )
[4246]	778
	779	DEALLOCATE( volume )
	780	DEALLOCATE( volume_l )
	781
	782	ENDDO
	783	!
[4646]	784	!-- Allocate arrays for indoor temperature.
[4246]	785	DO nb = 1, num_build
	786	IF ( buildings(nb)%on_pe ) THEN
	787	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	788	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	789	buildings(nb)%t_in = 0.0_wp
	790	buildings(nb)%t_in_l = 0.0_wp
	791	ENDIF
	792	ENDDO
	793	!
[4646]	794	!-- Allocate arrays for number of facades per height level. Distinguish between horizontal and
	795	!-- vertical facades.
[4246]	796	DO nb = 1, num_build
	797	IF ( buildings(nb)%on_pe ) THEN
	798	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	799	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	800
	801	buildings(nb)%num_facade_h = 0
	802	buildings(nb)%num_facade_v = 0
	803	ENDIF
	804	ENDDO
	805	!
	806	!-- Determine number of facade elements per building on local subdomain.
	807	!-- Distinguish between horizontal and vertical facade elements.
	808	!
	809	!-- Horizontal facades
	810	buildings(:)%num_facades_per_building_h_l = 0
[4671]	811	DO l = 0, 1
	812	DO m = 1, surf_usm_h(l)%ns
[4246]	813	!
[4671]	814	!-- For the current facade element determine corresponding building index.
	815	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
	816	!-- element and building location (for horizontal surface elements the horizontal offsets are
	817	!-- zero).
	818	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
	819	j = surf_usm_h(l)%j(m) + surf_usm_h(l)%joff
	820	k = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
[4246]	821	!
[4671]	822	!-- Determine building index and check whether building is on PE.
	823	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	824
[4671]	825	IF ( buildings(nb)%on_pe ) THEN
[4246]	826	!
[4671]	827	!-- Count number of facade elements at each height level.
	828	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
[4246]	829	!
[4671]	830	!-- Moreover, sum up number of local facade elements per building.
	831	buildings(nb)%num_facades_per_building_h_l = &
[4646]	832	buildings(nb)%num_facades_per_building_h_l + 1
[4671]	833	ENDIF
	834	ENDDO
[4246]	835	ENDDO
	836	!
	837	!-- Vertical facades
	838	buildings(:)%num_facades_per_building_v_l = 0
	839	DO l = 0, 3
	840	DO m = 1, surf_usm_v(l)%ns
	841	!
	842	!-- For the current facade element determine corresponding building index.
[4646]	843	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
	844	!-- element and building location (for vertical surface elements the vertical offsets are
	845	!-- zero).
[4246]	846	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	847	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	848	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	849
[4646]	850	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	851	IF ( buildings(nb)%on_pe ) THEN
[4646]	852	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
	853	buildings(nb)%num_facades_per_building_v_l = &
	854	buildings(nb)%num_facades_per_building_v_l + 1
[4246]	855	ENDIF
	856	ENDDO
	857	ENDDO
	858	!
[4646]	859	!-- Determine total number of facade elements per building and assign number to building data type.
[4246]	860	DO nb = 1, num_build
	861	!
[4646]	862	!-- Allocate dummy array used for summing-up facade elements.
	863	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
	864	!-- allocated on all PEs.
[4246]	865	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	866	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	867	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	868	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	869	num_facades_h = 0
	870	num_facades_v = 0
	871	receive_dum_h = 0
	872	receive_dum_v = 0
	873
	874	IF ( buildings(nb)%on_pe ) THEN
	875	num_facades_h = buildings(nb)%num_facade_h
	876	num_facades_v = buildings(nb)%num_facade_v
	877	ENDIF
	878
[4646]	879	#if defined( __parallel )
	880	CALL MPI_ALLREDUCE( num_facades_h, &
	881	receive_dum_h, &
	882	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	883	MPI_INTEGER, &
	884	MPI_SUM, &
	885	comm2d, &
[4246]	886	ierr )
	887
[4646]	888	CALL MPI_ALLREDUCE( num_facades_v, &
	889	receive_dum_v, &
	890	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	891	MPI_INTEGER, &
	892	MPI_SUM, &
	893	comm2d, &
[4246]	894	ierr )
[4646]	895	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) buildings(nb)%num_facade_h = receive_dum_h
	896	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) buildings(nb)%num_facade_v = receive_dum_v
[4246]	897	#else
	898	buildings(nb)%num_facade_h = num_facades_h
	899	buildings(nb)%num_facade_v = num_facades_v
	900	#endif
	901
	902	!
	903	!-- Deallocate dummy arrays
	904	DEALLOCATE( num_facades_h )
	905	DEALLOCATE( num_facades_v )
	906	DEALLOCATE( receive_dum_h )
	907	DEALLOCATE( receive_dum_v )
	908	!
	909	!-- Allocate index arrays which link facade elements with surface-data type.
[4646]	910	!-- Please note, no height levels are considered here (information is stored in surface-data type
	911	!-- itself).
[4246]	912	IF ( buildings(nb)%on_pe ) THEN
	913	!
	914	!-- Determine number of facade elements per building.
	915	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
	916	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
	917	!
[4646]	918	!-- Allocate arrays which link the building with the horizontal and vertical urban-type
	919	!-- surfaces. Please note, linking arrays are allocated over all facade elements, which is
	920	!-- required in case a building is located at the subdomain boundaries, where the building and
	921	!-- the corresponding surface elements are located on different subdomains.
[4681]	922	ALLOCATE( buildings(nb)%l_h(1:buildings(nb)%num_facades_per_building_h_l) )
[4246]	923	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
	924
	925	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
	926	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
	927	ENDIF
[4402]	928
[4246]	929	IF ( buildings(nb)%on_pe ) THEN
	930	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	931	buildings(nb)%vpf = 0.0_wp
[4402]	932
[4646]	933	facade_area_v = 0.0_wp
[4246]	934	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	935	facade_area_v = facade_area_v + buildings(nb)%num_facade_v(k) * dzw(k+1) * dx
[4246]	936	ENDDO
[4402]	937	!
[4646]	938	!-- Determine volume per total facade area (vpf). For the horizontal facade area
	939	!-- num_facades_per_building_h can be taken, multiplied with dx*dy.
	940	!-- However, due to grid stretching, vertical facade elements must be summed-up vertically.
	941	!-- Please note, if dx /= dy, an error is made!
	942	buildings(nb)%vpf = buildings(nb)%vol_tot / &
	943	( buildings(nb)%num_facades_per_building_h * dx * dy + facade_area_v )
[4402]	944	!
	945	!-- Determine floor-area-per-facade.
[4646]	946	buildings(nb)%fapf = buildings(nb)%num_facades_per_building_h * dx * dy &
	947	/ ( buildings(nb)%num_facades_per_building_h * dx * dy &
	948	+ facade_area_v )
[4246]	949	ENDIF
	950	ENDDO
	951	!
[4646]	952	!-- Link facade elements with surface data type.
[4246]	953	!-- Allocate array for counting.
	954	ALLOCATE( n_fa(1:num_build) )
	955	n_fa = 1
	956
[4671]	957	DO l = 0, 1
	958	DO m = 1, surf_usm_h(l)%ns
	959	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
	960	j = surf_usm_h(l)%j(m) + surf_usm_h(l)%joff
[4246]	961
[4671]	962	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	963
[4671]	964	IF ( buildings(nb)%on_pe ) THEN
[4681]	965	buildings(nb)%l_h(n_fa(nb)) = l
[4671]	966	buildings(nb)%m_h(n_fa(nb)) = m
	967	n_fa(nb) = n_fa(nb) + 1
	968	ENDIF
	969	ENDDO
[4246]	970	ENDDO
	971
	972	n_fa = 1
	973	DO l = 0, 3
	974	DO m = 1, surf_usm_v(l)%ns
	975	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
	976	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
	977
[4646]	978	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	979
	980	IF ( buildings(nb)%on_pe ) THEN
	981	buildings(nb)%l_v(n_fa(nb)) = l
	982	buildings(nb)%m_v(n_fa(nb)) = m
[4646]	983	n_fa(nb) = n_fa(nb) + 1
[4246]	984	ENDIF
	985	ENDDO
	986	ENDDO
	987	DEALLOCATE( n_fa )
	988	!
[4646]	989	!-- Initialize building parameters, first by mean building type. Note, in this case all buildings
	990	!-- have the same type.
	991	!-- In a second step initialize with building tpyes from static input file, where building types can
	992	!-- be individual for each building.
[4267]	993	buildings(:)%lambda_layer3 = building_pars(31,building_type)
	994	buildings(:)%s_layer3 = building_pars(44,building_type)
[4246]	995	buildings(:)%f_c_win = building_pars(119,building_type)
[4646]	996	buildings(:)%g_value_win = building_pars(120,building_type)
	997	buildings(:)%u_value_win = building_pars(121,building_type)
	998	buildings(:)%eta_ve = building_pars(124,building_type)
	999	buildings(:)%factor_a = building_pars(125,building_type)
[4246]	1000	buildings(:)%factor_c = building_pars(126,building_type)
[4646]	1001	buildings(:)%lambda_at = building_pars(127,building_type)
	1002	buildings(:)%theta_int_h_set = building_pars(13,building_type)
[4267]	1003	buildings(:)%theta_int_c_set = building_pars(12,building_type)
[4646]	1004	buildings(:)%q_h_max = building_pars(128,building_type)
	1005	buildings(:)%q_c_max = building_pars(129,building_type)
[4246]	1006	buildings(:)%qint_high = building_pars(130,building_type)
	1007	buildings(:)%qint_low = building_pars(131,building_type)
	1008	buildings(:)%height_storey = building_pars(132,building_type)
	1009	buildings(:)%height_cei_con = building_pars(133,building_type)
	1010	buildings(:)%params_waste_heat_h = building_pars(134,building_type)
	1011	buildings(:)%params_waste_heat_c = building_pars(135,building_type)
	1012	!
[4267]	1013	!-- Initialize seasonal dependent parameters, depending on day of the year.
[4646]	1014	!-- First, calculated day of the year.
[4267]	1015	CALL get_date_time( time_since_reference_point, day_of_year = day_of_year )
	1016	!
[4646]	1017	!-- Summer is defined in between northward- and southward equinox.
	1018	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
	1019	buildings(:)%air_change_low = summer_pars(0,building_type)
[4267]	1020	buildings(:)%air_change_high = summer_pars(1,building_type)
	1021	ELSE
[4646]	1022	buildings(:)%air_change_low = winter_pars(0,building_type)
[4267]	1023	buildings(:)%air_change_high = winter_pars(1,building_type)
	1024	ENDIF
	1025	!
[4646]	1026	!-- Initialize ventilation load. Please note, building types > 7 are actually not allowed (check
	1027	!-- already in urban_surface_mod and netcdf_data_input_mod.
	1028	!-- However, the building data base may be later extended.
	1029	IF ( building_type == 1 .OR. building_type == 2 .OR. &
	1030	building_type == 3 .OR. building_type == 10 .OR. &
[4246]	1031	building_type == 11 .OR. building_type == 12 ) THEN
	1032	buildings(:)%ventilation_int_loads = 1
	1033	!
	1034	!-- Office, building with large windows
[4646]	1035	ELSEIF ( building_type == 4 .OR. building_type == 5 .OR. &
	1036	building_type == 6 .OR. building_type == 7 .OR. &
[4246]	1037	building_type == 8 .OR. building_type == 9) THEN
	1038	buildings(:)%ventilation_int_loads = 2
	1039	!
	1040	!-- Industry, hospitals
[4646]	1041	ELSEIF ( building_type == 13 .OR. building_type == 14 .OR. &
	1042	building_type == 15 .OR. building_type == 16 .OR. &
[4246]	1043	building_type == 17 .OR. building_type == 18 ) THEN
	1044	buildings(:)%ventilation_int_loads = 3
	1045	ENDIF
	1046	!
	1047	!-- Initialization of building parameters - level 2
	1048	IF ( building_type_f%from_file ) THEN
	1049	DO i = nxl, nxr
	1050	DO j = nys, nyn
	1051	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
[4646]	1052	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	1053	bt = building_type_f%var(j,i)
[4646]	1054
[4267]	1055	buildings(nb)%lambda_layer3 = building_pars(31,bt)
	1056	buildings(nb)%s_layer3 = building_pars(44,bt)
[4246]	1057	buildings(nb)%f_c_win = building_pars(119,bt)
[4646]	1058	buildings(nb)%g_value_win = building_pars(120,bt)
	1059	buildings(nb)%u_value_win = building_pars(121,bt)
	1060	buildings(nb)%eta_ve = building_pars(124,bt)
	1061	buildings(nb)%factor_a = building_pars(125,bt)
[4246]	1062	buildings(nb)%factor_c = building_pars(126,bt)
[4646]	1063	buildings(nb)%lambda_at = building_pars(127,bt)
	1064	buildings(nb)%theta_int_h_set = building_pars(13,bt)
[4267]	1065	buildings(nb)%theta_int_c_set = building_pars(12,bt)
[4646]	1066	buildings(nb)%q_h_max = building_pars(128,bt)
	1067	buildings(nb)%q_c_max = building_pars(129,bt)
[4246]	1068	buildings(nb)%qint_high = building_pars(130,bt)
	1069	buildings(nb)%qint_low = building_pars(131,bt)
	1070	buildings(nb)%height_storey = building_pars(132,bt)
[4646]	1071	buildings(nb)%height_cei_con = building_pars(133,bt)
[4246]	1072	buildings(nb)%params_waste_heat_h = building_pars(134,bt)
	1073	buildings(nb)%params_waste_heat_c = building_pars(135,bt)
[4267]	1074
[4646]	1075	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
	1076	buildings(nb)%air_change_low = summer_pars(0,bt)
[4267]	1077	buildings(nb)%air_change_high = summer_pars(1,bt)
	1078	ELSE
[4646]	1079	buildings(nb)%air_change_low = winter_pars(0,bt)
[4267]	1080	buildings(nb)%air_change_high = winter_pars(1,bt)
	1081	ENDIF
	1082
[4246]	1083	!
[4646]	1084	!-- Initialize ventilaation load. Please note, building types > 7
	1085	!-- are actually not allowed (check already in urban_surface_mod
	1086	!-- and netcdf_data_input_mod. However, the building data base may
	1087	!-- be later extended.
	1088	IF ( bt == 1 .OR. bt == 2 .OR. &
	1089	bt == 3 .OR. bt == 10 .OR. &
[4246]	1090	bt == 11 .OR. bt == 12 ) THEN
	1091	buildings(nb)%ventilation_int_loads = 1
[4646]	1092	!
[4246]	1093	!-- Office, building with large windows
[4646]	1094	ELSEIF ( bt == 4 .OR. bt == 5 .OR. &
	1095	bt == 6 .OR. bt == 7 .OR. &
[4246]	1096	bt == 8 .OR. bt == 9) THEN
	1097	buildings(nb)%ventilation_int_loads = 2
	1098	!
	1099	!-- Industry, hospitals
[4646]	1100	ELSEIF ( bt == 13 .OR. bt == 14 .OR. &
	1101	bt == 15 .OR. bt == 16 .OR. &
[4246]	1102	bt == 17 .OR. bt == 18 ) THEN
	1103	buildings(nb)%ventilation_int_loads = 3
	1104	ENDIF
	1105	ENDIF
	1106	ENDDO
	1107	ENDDO
	1108	ENDIF
	1109	!
[4646]	1110	!-- Calculation of surface-related heat transfer coeffiecient out of standard u-values from building
	1111	!-- database.
	1112	!-- Only amount of extern and surface is used.
	1113	!-- Otherwise amount between air and surface taken account twice.
[4246]	1114	DO nb = 1, num_build
[4646]	1115	IF ( buildings(nb)%on_pe ) THEN
[4246]	1116	du_win_tmp = 1.0_wp / buildings(nb)%u_value_win
[4646]	1117	u_tmp = buildings(nb)%u_value_win * ( du_win_tmp / ( du_win_tmp - &
[4246]	1118	0.125_wp + ( 1.0_wp / h_is ) ) )
[4646]	1119
[4246]	1120	du_tmp = 1.0_wp / u_tmp
[4646]	1121
[4267]	1122	buildings(nb)%h_es = 1.0_wp / ( du_tmp - ( 1.0_wp / h_is ) )
	1123
[4246]	1124	ENDIF
	1125	ENDDO
	1126	!
	1127	!-- Initial room temperature [K]
	1128	!-- (after first loop, use theta_m_t as theta_m_t_prev)
	1129	theta_m_t_prev = initial_indoor_temperature
	1130	!
	1131	!-- Initialize indoor temperature. Actually only for output at initial state.
	1132	DO nb = 1, num_build
[4646]	1133	IF ( buildings(nb)%on_pe ) buildings(nb)%t_in(:) = initial_indoor_temperature
[4246]	1134	ENDDO
	1135
	1136	CALL location_message( 'initializing indoor model', 'finished' )
	1137
	1138	END SUBROUTINE im_init
	1139
	1140
[4646]	1141	!--------------------------------------------------------------------------------------------------!
[4246]	1142	! Description:
	1143	! ------------
	1144	!> Main part of the indoor model.
	1145	!> Calculation of .... (kanani: Please describe)
[4646]	1146	!--------------------------------------------------------------------------------------------------!
[4246]	1147	SUBROUTINE im_main_heatcool
	1148
	1149	! USE basic_constants_and_equations_mod, &
	1150	! ONLY: c_p
	1151
[4646]	1152	USE control_parameters, &
[4246]	1153	ONLY: time_since_reference_point
	1154
[4646]	1155	USE grid_variables, &
[4246]	1156	ONLY: dx, dy
	1157
	1158	USE pegrid
[4646]	1159
	1160	USE surface_mod, &
[4246]	1161	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
	1162
[4646]	1163	USE urban_surface_mod, &
	1164	ONLY: building_type, nzt_wall, t_wall_h, t_wall_v, t_window_h, t_window_v
[4246]	1165
[4646]	1166
	1167	INTEGER(iwp) :: fa !< running index for facade elements of each building
[4246]	1168	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
	1169	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
	1170	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
	1171	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
	1172	INTEGER(iwp) :: l !< running index for surface-element orientation
	1173	INTEGER(iwp) :: m !< running index surface elements
	1174	INTEGER(iwp) :: nb !< running index for buildings
	1175
	1176	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
	1177	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
	1178	REAL(wp) :: second_of_day !< second of the current day
	1179	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
	1180
	1181	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
	1182	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
	1183	!
[4646]	1184	!-- Determine time of day in hours.
[4246]	1185	CALL get_date_time( time_since_reference_point, second_of_day=second_of_day )
	1186	time_utc_hour = second_of_day / seconds_per_hour
	1187	!
	1188	!-- Following calculations must be done for each facade element.
	1189	DO nb = 1, num_build
	1190	!
[4646]	1191	!-- First, check whether building is present on local subdomain.
[4246]	1192	IF ( buildings(nb)%on_pe ) THEN
	1193	!
	1194	!-- Determine daily schedule. 08:00-18:00 = 1, other hours = 0.
[4646]	1195	!-- Residental Building, panel WBS 70
[4246]	1196	IF ( buildings(nb)%ventilation_int_loads == 1 ) THEN
[4267]	1197	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
	1198	schedule_d = 0
	1199	ELSE
[4246]	1200	schedule_d = 1
	1201	ENDIF
	1202	ENDIF
	1203	!
	1204	!-- Office, building with large windows
	1205	IF ( buildings(nb)%ventilation_int_loads == 2 ) THEN
	1206	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
	1207	schedule_d = 1
	1208	ELSE
	1209	schedule_d = 0
	1210	ENDIF
	1211	ENDIF
[4646]	1212	!
[4246]	1213	!-- Industry, hospitals
	1214	IF ( buildings(nb)%ventilation_int_loads == 3 ) THEN
	1215	IF ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
	1216	schedule_d = 1
	1217	ELSE
	1218	schedule_d = 0
	1219	ENDIF
	1220	ENDIF
	1221	!
	1222	!-- Initialize/reset indoor temperature
[4646]	1223	buildings(nb)%t_in_l = 0.0_wp
[4246]	1224	!
	1225	!-- Horizontal surfaces
	1226	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
	1227	!
[4671]	1228	!-- Determine indices where corresponding surface-type information is stored.
[4681]	1229	l = buildings(nb)%l_h(fa)
	1230	m = buildings(nb)%m_h(fa)
[4246]	1231	!
[4646]	1232	!-- Determine building height level index.
[4671]	1233	kk = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
[4402]	1234	!
[4246]	1235	!-- Building geometries --> not time-dependent
[4646]	1236	facade_element_area = dx * dy !< [m2] surface area per facade element
[4402]	1237	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
[4646]	1238	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
	1239	buildings(nb)%area_facade = facade_element_area * &
	1240	( buildings(nb)%num_facades_per_building_h + &
	1241	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
[4681]	1242	window_area_per_facade = surf_usm_h(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per facade
[4646]	1243	!< element
[4246]	1244
	1245	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
[4646]	1246	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
	1247	!< pointing to zone Eq. (9) according to section 7.2.2.2
	1248	a_m = buildings(nb)%factor_a * total_area * &
	1249	( facade_element_area / buildings(nb)%area_facade ) * &
	1250	buildings(nb)%lambda_at !< [m2] standard values
	1251	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
	1252	c_m = buildings(nb)%factor_c * total_area * &
	1253	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
	1254	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
[4246]	1255	!
	1256	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	1257	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
	1258
[4646]	1259	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
	1260	!< (m2 K) between surface and air, Eq. (9)
	1261	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
	1262	!< (m2 K) between component and surface, Eq. (64)
	1263	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
[4246]	1264	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
	1265	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
[4646]	1266	h_t_wm = 1.0_wp / ( 1.0_wp / h_t_wall - 1.0_wp / h_t_ms ) !< [W/K] emmision Eq. (63),
	1267	!< Section 12.2.2
[4246]	1268	!
[4646]	1269	!-- Internal air loads dependent on the occupacy of the room.
	1270	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int).
	1271	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
	1272	* floor_area_per_facade )
[4246]	1273	q_int = phi_ia / total_area
	1274	!
[4646]	1275	!-- Airflow dependent on the occupacy of the room.
	1276	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
	1277	air_change = ( buildings(nb)%air_change_high * schedule_d + buildings(nb)%air_change_low ) !< [1/h]?
[4246]	1278	!
[4646]	1279	!-- Heat transfer of ventilation.
	1280	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
	1281	!-- capacity of air 0.33 Wh/m2K.
	1282	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	1283	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
[4246]	1284
	1285	!-- Heat transfer coefficient auxiliary variables
	1286	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
	1287	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
	1288	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
	1289	!
	1290	!-- Net short-wave radiation through window area (was i_global)
[4671]	1291	net_sw_in = surf_usm_h(l)%rad_sw_in(m) - surf_usm_h(l)%rad_sw_out(m)
[4246]	1292	!
	1293	!-- Quantities needed for im_calc_temperatures
[4671]	1294	i = surf_usm_h(l)%i(m)
	1295	j = surf_usm_h(l)%j(m)
	1296	k = surf_usm_h(l)%k(m)
	1297	near_facade_temperature = surf_usm_h(l)%pt_10cm(m)
	1298	indoor_wall_window_temperature = &
	1299	surf_usm_h(l)%frac(m,ind_veg_wall) * t_wall_h(l)%val(nzt_wall,m) &
	1300	+ surf_usm_h(l)%frac(m,ind_wat_win) * t_window_h(l)%val(nzt_wall,m)
[4246]	1301	!
[4646]	1302	!-- Solar thermal gains. If net_sw_in larger than sun-protection threshold parameter
	1303	!-- (params_solar_protection), sun protection will be activated.
	1304	IF ( net_sw_in <= params_solar_protection ) THEN
[4246]	1305	solar_protection_off = 1
	1306	solar_protection_on = 0
[4646]	1307	ELSE
[4246]	1308	solar_protection_off = 0
	1309	solar_protection_on = 1
	1310	ENDIF
	1311	!
[4646]	1312	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
	1313	!-- automatic sun protection.
[4246]	1314	!-- DIN 4108 - 2 chap.8
[4646]	1315	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1316	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
	1317	solar_protection_on ) &
[4246]	1318	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
[4646]	1319	q_sol = phi_sol
[4246]	1320	!
[4646]	1321	!-- Calculation of the mass specific thermal load for internal and external heatsources of
	1322	!-- the inner node.
	1323	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with
	1324	!< phi_ia=0,5*phi_int
[4246]	1325	q_c_m = phi_m
	1326	!
[4646]	1327	!-- Calculation mass specific thermal load implied non thermal mass
	1328	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
	1329	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
	1330	!< phi_ia=0,5*phi_int
	1331	q_c_st = phi_st
[4246]	1332	!
	1333	!-- Calculations for deriving indoor temperature and heat flux into the wall
[4646]	1334	!-- Step 1: indoor temperature without heating and cooling
[4246]	1335	!-- section C.4.1 Picture C.2 zone 3)
	1336	phi_hc_nd = 0.0_wp
[4646]	1337
	1338	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1339	near_facade_temperature, phi_hc_nd )
[4246]	1340	!
[4646]	1341	!-- If air temperature between border temperatures of heating and cooling, assign output
	1342	!-- variable, then ready.
	1343	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
	1344	theta_air <= buildings(nb)%theta_int_c_set ) THEN
[4246]	1345	phi_hc_nd_ac = 0.0_wp
[4646]	1346	phi_hc_nd = phi_hc_nd_ac
[4246]	1347	theta_air_ac = theta_air
	1348	!
	1349	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
	1350	!-- again.
	1351	ELSE
	1352	!
	1353	!-- Temperature not correct, calculation method according to section C4.2
[4646]	1354	theta_air_0 = theta_air !< temperature without heating/cooling
[4246]	1355	!
	1356	!-- Heating or cooling?
	1357	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
	1358	theta_air_set = buildings(nb)%theta_int_c_set
[4646]	1359	ELSE
	1360	theta_air_set = buildings(nb)%theta_int_h_set
[4246]	1361	ENDIF
	1362	!
[4646]	1363	!-- Calculate the temperature with phi_hc_nd_10
[4246]	1364	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1365	phi_hc_nd = phi_hc_nd_10
[4646]	1366
	1367	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1368	near_facade_temperature, phi_hc_nd )
[4246]	1369	theta_air_10 = theta_air !< temperature with 10 W/m2 of heating
[4646]	1370	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
[4246]	1371	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
	1372	!
[4646]	1373	!-- Step 3: with temperature ratio to determine the heating or cooling capacity.
	1374	!-- If necessary, limit the power to maximum power.
[4246]	1375	!-- section C.4.1 Picture C.2 zone 2) and 4)
[4646]	1376	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
[4246]	1377	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
[4646]	1378	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
	1379	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
[4246]	1380	phi_hc_nd_ac = phi_hc_nd_un
[4646]	1381	phi_hc_nd = phi_hc_nd_un
[4246]	1382	ELSE
	1383	!
[4646]	1384	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
	1385	!-- (phi_hc_nd_un negative)
[4246]	1386	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1387	IF ( phi_hc_nd_un > 0.0_wp ) THEN
	1388	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
[4646]	1389	ELSE
[4246]	1390	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
	1391	ENDIF
	1392	ENDIF
[4646]	1393	phi_hc_nd = phi_hc_nd_ac
[4246]	1394	!
	1395	!-- Calculate the temperature with phi_hc_nd_ac (new)
[4646]	1396	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1397	near_facade_temperature, phi_hc_nd )
[4246]	1398	theta_air_ac = theta_air
	1399	ENDIF
	1400	!
	1401	!-- Update theta_m_t_prev
	1402	theta_m_t_prev = theta_m_t
[4646]	1403
[4246]	1404	q_vent = h_v * ( theta_air - near_facade_temperature )
	1405	!
[4646]	1406	!-- Calculate the operating temperature with weighted mean temperature of air and mean
	1407	!-- solar temperature.
	1408	!-- Will be used for thermal comfort calculations.
[4246]	1409	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s !< [degree_C] operative Temperature Eq. (C.12)
[4671]	1410	! surf_usm_h(l)%t_indoor(m) = theta_op !< not integrated now
[4246]	1411	!
[4646]	1412	!-- Heat flux into the wall. Value needed in urban_surface_mod to
[4246]	1413	!-- calculate heat transfer through wall layers towards the facade
	1414	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
[4646]	1415	q_wall_win = h_t_ms * ( theta_s - theta_m ) &
	1416	/ ( facade_element_area - window_area_per_facade )
	1417	q_trans = q_wall_win * facade_element_area
[4246]	1418	!
	1419	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
[4671]	1420	surf_usm_h(l)%iwghf_eb(m) = q_wall_win
	1421	surf_usm_h(l)%iwghf_eb_window(m) = q_wall_win
[4246]	1422	!
[4646]	1423	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
	1424	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
[4246]	1425	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1426	!
[4646]	1427	!-- Calculation of waste heat.
	1428	!-- Anthropogenic heat output.
	1429	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
[4246]	1430	heating_on = 1
	1431	cooling_on = 0
[4646]	1432	ELSE
[4246]	1433	heating_on = 0
	1434	cooling_on = -1
	1435	ENDIF
	1436
[4646]	1437	q_waste_heat = ( phi_hc_nd * ( &
	1438	buildings(nb)%params_waste_heat_h * heating_on + &
	1439	buildings(nb)%params_waste_heat_c * cooling_on ) &
	1440	) / facade_element_area !< [W/m2] , observe the directional
	1441	!< convention in PALM!
[4671]	1442	surf_usm_h(l)%waste_heat(m) = q_waste_heat
[4246]	1443	ENDDO !< Horizontal surfaces loop
	1444	!
	1445	!-- Vertical surfaces
	1446	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
	1447	!
[4646]	1448	!-- Determine indices where corresponding surface-type information is stored.
[4246]	1449	l = buildings(nb)%l_v(fa)
	1450	m = buildings(nb)%m_v(fa)
	1451	!
[4646]	1452	!-- Determine building height level index.
[4246]	1453	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
	1454	!
[4646]	1455	!-- (SOME OF THE FOLLOWING (not time-dependent) COULD PROBABLY GO INTO A FUNCTION
[4246]	1456	!-- EXCEPT facade_element_area, EVERYTHING IS CALCULATED EQUALLY)
	1457	!-- Building geometries --> not time-dependent
[4402]	1458	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk+1) !< [m2] surface area per facade element
	1459	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk+1) !< [m2] surface area per facade element
	1460
	1461	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
[4646]	1462	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
	1463	buildings(nb)%area_facade = facade_element_area * &
	1464	( buildings(nb)%num_facades_per_building_h + &
	1465	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
	1466	window_area_per_facade = surf_usm_v(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per
	1467	!< facade element
[4246]	1468
	1469	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
[4646]	1470	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
	1471	!< pointing to zone Eq. (9) according to section 7.2.2.2
	1472	a_m = buildings(nb)%factor_a * total_area * &
	1473	( facade_element_area / buildings(nb)%area_facade ) * &
	1474	buildings(nb)%lambda_at !< [m2] standard values
	1475	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
[4246]	1476	c_m = buildings(nb)%factor_c * total_area * &
[4646]	1477	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
	1478	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
[4246]	1479	!
	1480	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
	1481	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
	1482
[4646]	1483	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
	1484	!< (m2 K) between surface and air, Eq. (9)
	1485	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
	1486	!< (m2 K) between component and surface, Eq. (64)
	1487	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
[4246]	1488	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
	1489	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
	1490	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
	1491	!
[4646]	1492	!-- Internal air loads dependent on the occupacy of the room.
	1493	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy
	1494	!-- (qint_high) (0,5*phi_int)
	1495	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
	1496	* floor_area_per_facade )
[4246]	1497	q_int = phi_ia
	1498
	1499	!
[4646]	1500	!-- Airflow dependent on the occupacy of the room.
	1501	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy
	1502	!-- (air_change_high)
	1503	air_change = ( buildings(nb)%air_change_high * schedule_d + &
	1504	buildings(nb)%air_change_low )
[4246]	1505	!
[4646]	1506	!-- Heat transfer of ventilation.
	1507	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
	1508	!-- capacity of air 0.33 Wh/m2K
	1509	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
	1510	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789
	1511	!< Eq.(10)
	1512
[4246]	1513	!-- Heat transfer coefficient auxiliary variables
	1514	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
	1515	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
	1516	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
	1517	!
	1518	!-- Net short-wave radiation through window area (was i_global)
	1519	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
	1520	!
	1521	!-- Quantities needed for im_calc_temperatures
	1522	i = surf_usm_v(l)%i(m)
[4646]	1523	j = surf_usm_v(l)%j(m)
[4246]	1524	k = surf_usm_v(l)%k(m)
	1525	near_facade_temperature = surf_usm_v(l)%pt_10cm(m)
[4646]	1526	indoor_wall_window_temperature = &
[4671]	1527	surf_usm_v(l)%frac(m,ind_veg_wall) * t_wall_v(l)%val(nzt_wall,m) &
	1528	+ surf_usm_v(l)%frac(m,ind_wat_win) * t_window_v(l)%val(nzt_wall,m)
[4246]	1529	!
[4646]	1530	!-- Solar thermal gains. If net_sw_in larger than sun-protection
	1531	!-- threshold parameter (params_solar_protection), sun protection will
[4246]	1532	!-- be activated
[4646]	1533	IF ( net_sw_in <= params_solar_protection ) THEN
[4246]	1534	solar_protection_off = 1
[4646]	1535	solar_protection_on = 0
	1536	ELSE
[4246]	1537	solar_protection_off = 0
[4646]	1538	solar_protection_on = 1
[4246]	1539	ENDIF
	1540	!
[4646]	1541	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
	1542	!-- automatic sun protection.
[4246]	1543	!-- DIN 4108 - 2 chap.8
[4646]	1544	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
	1545	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
	1546	solar_protection_on ) &
[4246]	1547	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
	1548	q_sol = phi_sol
	1549	!
[4646]	1550	!-- Calculation of the mass specific thermal load for internal and external heatsources.
[4246]	1551	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
	1552	q_c_m = phi_m
	1553	!
[4646]	1554	!-- Calculation mass specific thermal load implied non thermal mass.
	1555	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
	1556	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
	1557	!< phi_ia=0,5*phi_int
	1558	q_c_st = phi_st
[4246]	1559	!
[4646]	1560	!-- Calculations for deriving indoor temperature and heat flux into the wall.
	1561	!-- Step 1: indoor temperature without heating and cooling.
[4246]	1562	!-- section C.4.1 Picture C.2 zone 3)
	1563	phi_hc_nd = 0.0_wp
[4646]	1564	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
[4246]	1565	near_facade_temperature, phi_hc_nd )
	1566	!
[4646]	1567	!-- If air temperature between border temperatures of heating and cooling, assign output
	1568	!-- variable, then ready.
	1569	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
	1570	theta_air <= buildings(nb)%theta_int_c_set ) THEN
[4246]	1571	phi_hc_nd_ac = 0.0_wp
	1572	phi_hc_nd = phi_hc_nd_ac
	1573	theta_air_ac = theta_air
	1574	!
	1575	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
	1576	!-- again.
	1577	ELSE
	1578	!
	1579	!-- Temperature not correct, calculation method according to section C4.2
	1580	theta_air_0 = theta_air !< Note temperature without heating/cooling
	1581	!
	1582	!-- Heating or cooling?
	1583	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
	1584	theta_air_set = buildings(nb)%theta_int_c_set
[4646]	1585	ELSE
	1586	theta_air_set = buildings(nb)%theta_int_h_set
[4246]	1587	ENDIF
	1588
	1589	!-- Calculate the temperature with phi_hc_nd_10
	1590	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
	1591	phi_hc_nd = phi_hc_nd_10
	1592
[4646]	1593	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1594	near_facade_temperature, phi_hc_nd )
	1595
[4246]	1596	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
	1597
[4646]	1598	phi_hc_nd_un = phi_hc_nd_10 * ( theta_air_set - theta_air_0 ) &
[4246]	1599	/ ( theta_air_10 - theta_air_0 ) !< Eq. (C.13)
	1600	!
[4646]	1601	!-- Step 3: with temperature ratio to determine the heating or cooling capacity
	1602	!-- If necessary, limit the power to maximum power.
[4246]	1603	!-- section C.4.1 Picture C.2 zone 2) and 4)
	1604	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
	1605	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
[4646]	1606	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
	1607	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
[4246]	1608	phi_hc_nd_ac = phi_hc_nd_un
	1609	phi_hc_nd = phi_hc_nd_un
	1610	ELSE
	1611	!
[4646]	1612	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
	1613	!-- (phi_hc_nd_un negative)
[4246]	1614	!-- section C.4.1 Picture C.2 zone 1) and 5)
	1615	IF ( phi_hc_nd_un > 0.0_wp ) THEN
	1616	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
[4646]	1617	ELSE
[4246]	1618	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
	1619	ENDIF
	1620	ENDIF
[4646]	1621	phi_hc_nd = phi_hc_nd_ac
[4246]	1622	!
	1623	!-- Calculate the temperature with phi_hc_nd_ac (new)
[4646]	1624	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
	1625	near_facade_temperature, phi_hc_nd )
[4246]	1626	theta_air_ac = theta_air
	1627	ENDIF
	1628	!
	1629	!-- Update theta_m_t_prev
	1630	theta_m_t_prev = theta_m_t
[4646]	1631
[4246]	1632	q_vent = h_v * ( theta_air - near_facade_temperature )
	1633	!
[4646]	1634	!-- Calculate the operating temperature with weighted mean of temperature of air and mean.
	1635	!-- Will be used for thermal comfort calculations.
[4246]	1636	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s
	1637	! surf_usm_v(l)%t_indoor(m) = theta_op !< not integrated yet
	1638	!
[4646]	1639	!-- Heat flux into the wall. Value needed in urban_surface_mod to
[4246]	1640	!-- calculate heat transfer through wall layers towards the facade
[4646]	1641	q_wall_win = h_t_ms * ( theta_s - theta_m ) &
	1642	/ ( facade_element_area - window_area_per_facade )
[4246]	1643	q_trans = q_wall_win * facade_element_area
	1644	!
	1645	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
	1646	surf_usm_v(l)%iwghf_eb(m) = q_wall_win
	1647	surf_usm_v(l)%iwghf_eb_window(m) = q_wall_win
	1648	!
[4646]	1649	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
	1650	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
[4246]	1651	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
	1652	!
[4646]	1653	!-- Calculation of waste heat.
	1654	!-- Anthropogenic heat output.
	1655	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
[4246]	1656	heating_on = 1
	1657	cooling_on = 0
[4646]	1658	ELSE
[4246]	1659	heating_on = 0
	1660	cooling_on = -1
	1661	ENDIF
	1662
[4646]	1663	q_waste_heat = ( phi_hc_nd * ( buildings(nb)%params_waste_heat_h * heating_on + &
	1664	buildings(nb)%params_waste_heat_c * cooling_on ) &
	1665	) / facade_element_area !< [W/m2] , observe the directional convention in
	1666	!< PALM!
[4246]	1667	surf_usm_v(l)%waste_heat(m) = q_waste_heat
	1668	ENDDO !< Vertical surfaces loop
	1669	ENDIF !< buildings(nb)%on_pe
	1670	ENDDO !< buildings loop
	1671
	1672	!
[4646]	1673	!-- Determine the mean building temperature.
[4246]	1674	DO nb = 1, num_build
	1675	!
[4646]	1676	!-- Allocate dummy array used for summing-up facade elements.
	1677	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
	1678	!-- allocated on all PEs.
[4246]	1679	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1680	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
	1681	t_in_l_send = 0.0_wp
	1682	t_in_recv = 0.0_wp
	1683
	1684	IF ( buildings(nb)%on_pe ) THEN
	1685	t_in_l_send = buildings(nb)%t_in_l
	1686	ENDIF
	1687
	1688
[4646]	1689	#if defined( __parallel )
	1690	CALL MPI_ALLREDUCE( t_in_l_send, &
	1691	t_in_recv, &
	1692	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
	1693	MPI_REAL, &
	1694	MPI_SUM, &
	1695	comm2d, &
[4246]	1696	ierr )
	1697
[4646]	1698	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = t_in_recv
[4246]	1699	#else
[4646]	1700	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = buildings(nb)%t_in_l
[4246]	1701	#endif
	1702
	1703	IF ( ALLOCATED( buildings(nb)%t_in ) ) THEN
	1704	!
[4646]	1705	!-- Average indoor temperature. Note, in case a building is completely surrounded by higher
	1706	!-- buildings, it may have no facade elements at some height levels, which will lead to a
	1707	!-- division by zero.
[4246]	1708	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
[4646]	1709	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) > 0 ) THEN
	1710	buildings(nb)%t_in(k) = buildings(nb)%t_in(k) / &
	1711	REAL( buildings(nb)%num_facade_h(k) + &
	1712	buildings(nb)%num_facade_v(k), KIND = wp )
[4246]	1713	ENDIF
	1714	ENDDO
[4299]	1715	!
[4646]	1716	!-- If indoor temperature is not defined because of missing facade elements, the values from
	1717	!-- the above-lying level will be taken.
	1718	!-- At least at the top of the buildings facades are defined, so that at least there an indoor
	1719	!-- temperature is defined. This information will propagate downwards the building.
[4299]	1720	DO k = buildings(nb)%kb_max-1, buildings(nb)%kb_min, -1
[4646]	1721	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) <= 0 ) THEN
[4299]	1722	buildings(nb)%t_in(k) = buildings(nb)%t_in(k+1)
	1723	ENDIF
	1724	ENDDO
[4246]	1725	ENDIF
	1726
[4646]	1727
[4246]	1728	!
	1729	!-- Deallocate dummy arrays
	1730	DEALLOCATE( t_in_l_send )
	1731	DEALLOCATE( t_in_recv )
	1732
	1733	ENDDO
[4646]	1734
[4246]	1735	END SUBROUTINE im_main_heatcool
	1736
[4646]	1737
	1738	!--------------------------------------------------------------------------------------------------!
[4246]	1739	! Description:
	1740	!-------------
	1741	!> Check data output for plant canopy model
[4646]	1742	!--------------------------------------------------------------------------------------------------!
[4246]	1743	SUBROUTINE im_check_data_output( var, unit )
[4402]	1744
[4246]	1745	CHARACTER (LEN=*) :: unit !<
	1746	CHARACTER (LEN=*) :: var !<
[4646]	1747
[4246]	1748	SELECT CASE ( TRIM( var ) )
[4646]	1749
	1750
[4246]	1751	CASE ( 'im_hf_roof')
	1752	unit = 'W m-2'
[4646]	1753
[4246]	1754	CASE ( 'im_hf_wall_win' )
	1755	unit = 'W m-2'
[4646]	1756
[4246]	1757	CASE ( 'im_hf_wall_win_waste' )
	1758	unit = 'W m-2'
[4646]	1759
[4246]	1760	CASE ( 'im_hf_roof_waste' )
	1761	unit = 'W m-2'
[4646]	1762
[4246]	1763	CASE ( 'im_t_indoor_mean' )
	1764	unit = 'K'
[4646]	1765
[4246]	1766	CASE ( 'im_t_indoor_roof' )
	1767	unit = 'K'
[4646]	1768
[4246]	1769	CASE ( 'im_t_indoor_wall_win' )
	1770	unit = 'K'
[4646]	1771
[4246]	1772	CASE DEFAULT
	1773	unit = 'illegal'
[4646]	1774
[4246]	1775	END SELECT
[4646]	1776
[4246]	1777	END SUBROUTINE
	1778
	1779
[4646]	1780	!--------------------------------------------------------------------------------------------------!
[4246]	1781	! Description:
	1782	!-------------
	1783	!> Check parameters routine for plant canopy model
[4646]	1784	!--------------------------------------------------------------------------------------------------!
[4246]	1785	SUBROUTINE im_check_parameters
	1786
	1787	! USE control_parameters,
	1788	! ONLY: message_string
[4646]	1789
[4246]	1790	END SUBROUTINE im_check_parameters
	1791
[4646]	1792
	1793	!--------------------------------------------------------------------------------------------------!
[4246]	1794	! Description:
	1795	!-------------
	1796	!> Subroutine defining appropriate grid for netcdf variables.
	1797	!> It is called from subroutine netcdf.
[4646]	1798	!--------------------------------------------------------------------------------------------------!
[4246]	1799	SUBROUTINE im_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
	1800
[4646]	1801	CHARACTER (LEN=*), INTENT(OUT) :: grid_x
	1802	CHARACTER (LEN=*), INTENT(OUT) :: grid_y
	1803	CHARACTER (LEN=*), INTENT(OUT) :: grid_z
	1804	CHARACTER (LEN=*), INTENT(IN) :: var
	1805
	1806	LOGICAL, INTENT(OUT) :: found
	1807
	1808
	1809	found = .TRUE.
[4246]	1810	!
	1811	!-- Check for the grid
	1812	SELECT CASE ( TRIM( var ) )
	1813
	1814	CASE ( 'im_hf_roof', 'im_hf_roof_waste' )
	1815	grid_x = 'x'
	1816	grid_y = 'y'
	1817	grid_z = 'zw'
	1818	!
	1819	!-- Heat fluxes at vertical walls are actually defined on stagged grid, i.e. xu, yv.
	1820	CASE ( 'im_hf_wall_win', 'im_hf_wall_win_waste' )
	1821	grid_x = 'x'
	1822	grid_y = 'y'
	1823	grid_z = 'zu'
	1824
	1825	CASE ( 'im_t_indoor_mean', 'im_t_indoor_roof', 'im_t_indoor_wall_win')
	1826	grid_x = 'x'
	1827	grid_y = 'y'
	1828	grid_z = 'zw'
[4646]	1829
[4246]	1830	CASE DEFAULT
	1831	found = .FALSE.
	1832	grid_x = 'none'
	1833	grid_y = 'none'
	1834	grid_z = 'none'
	1835	END SELECT
[4646]	1836
[4246]	1837	END SUBROUTINE im_define_netcdf_grid
	1838
[4646]	1839
	1840	!--------------------------------------------------------------------------------------------------!
[4246]	1841	! Description:
	1842	! ------------
	1843	!> Subroutine defining 3D output variables
[4646]	1844	!--------------------------------------------------------------------------------------------------!
	1845	SUBROUTINE im_data_output_3d( av, variable, found, local_pf, fill_value, nzb_do, nzt_do )
[4246]	1846
[4402]	1847	USE indices
	1848
	1849	USE kinds
	1850
[4646]	1851	CHARACTER (LEN=*) :: variable !<
[4246]	1852
[4646]	1853	INTEGER(iwp) :: av !<
	1854	INTEGER(iwp) :: i !<
	1855	INTEGER(iwp) :: j !<
	1856	INTEGER(iwp) :: k !<
[4246]	1857	INTEGER(iwp) :: l !<
[4646]	1858	INTEGER(iwp) :: m !<
	1859	INTEGER(iwp) :: nb !< index of the building in the building data structure
[4246]	1860	INTEGER(iwp) :: nzb_do !< lower limit of the data output (usually 0)
	1861	INTEGER(iwp) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d)
	1862
[4646]	1863	LOGICAL :: found !<
	1864
[4246]	1865	REAL(wp), INTENT(IN) :: fill_value !< value for the _FillValue attribute
	1866
[4646]	1867	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !<
	1868
[4246]	1869	local_pf = fill_value
[4646]	1870
[4246]	1871	found = .TRUE.
[4646]	1872
[4246]	1873	SELECT CASE ( TRIM( variable ) )
	1874	!
[4646]	1875	!-- Output of indoor temperature. All grid points within the building are filled with values,
	1876	!-- while atmospheric grid points are set to _FillValues.
[4246]	1877	CASE ( 'im_t_indoor_mean' )
	1878	IF ( av == 0 ) THEN
	1879	DO i = nxl, nxr
	1880	DO j = nys, nyn
	1881	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
	1882	!
[4646]	1883	!-- Determine index of the building within the building data structure.
	1884	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
[4246]	1885	IF ( buildings(nb)%on_pe ) THEN
	1886	!
[4646]	1887	!-- Write mean building temperature onto output array. Please note, in
	1888	!-- contrast to many other loops in the output, the vertical bounds are
	1889	!-- determined by the lowest and hightest vertical index occupied by the
	1890	!-- building.
[4246]	1891	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
	1892	local_pf(i,j,k) = buildings(nb)%t_in(k)
	1893	ENDDO
	1894	ENDIF
	1895	ENDIF
	1896	ENDDO
	1897	ENDDO
[4646]	1898	ENDIF
[4246]	1899
	1900	CASE ( 'im_hf_roof' )
[4646]	1901	IF ( av == 0 ) THEN
[4671]	1902	DO m = 1, surf_usm_h(0)%ns
	1903	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
	1904	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
	1905	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
	1906	local_pf(i,j,k) = surf_usm_h(0)%iwghf_eb(m)
[4246]	1907	ENDDO
[4646]	1908	ENDIF
[4246]	1909
	1910	CASE ( 'im_hf_roof_waste' )
[4646]	1911	IF ( av == 0 ) THEN
[4671]	1912	DO m = 1, surf_usm_h(0)%ns
	1913	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
	1914	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
	1915	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
	1916	local_pf(i,j,k) = surf_usm_h(0)%waste_heat(m)
[4246]	1917	ENDDO
	1918	ENDIF
	1919
	1920	CASE ( 'im_hf_wall_win' )
[4646]	1921	IF ( av == 0 ) THEN
[4246]	1922	DO l = 0, 3
	1923	DO m = 1, surf_usm_v(l)%ns
	1924	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
	1925	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
	1926	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
	1927	local_pf(i,j,k) = surf_usm_v(l)%iwghf_eb(m)
	1928	ENDDO
	1929	ENDDO
	1930	ENDIF
	1931
	1932	CASE ( 'im_hf_wall_win_waste' )
[4646]	1933	IF ( av == 0 ) THEN
[4246]	1934	DO l = 0, 3
[4646]	1935	DO m = 1, surf_usm_v(l)%ns
[4246]	1936	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
	1937	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
	1938	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
[4646]	1939	local_pf(i,j,k) = surf_usm_v(l)%waste_heat(m)
[4246]	1940	ENDDO
	1941	ENDDO
	1942	ENDIF
	1943
	1944	!
	1945	!< NOTE im_t_indoor_roof and im_t_indoor_wall_win not work yet
	1946
	1947	! CASE ( 'im_t_indoor_roof' )
[4646]	1948	! IF ( av == 0 ) THEN
[4246]	1949	! DO m = 1, surf_usm_h%ns
	1950	! i = surf_usm_h%i(m) !+ surf_usm_h%ioff
	1951	! j = surf_usm_h%j(m) !+ surf_usm_h%joff
	1952	! k = surf_usm_h%k(m) !+ surf_usm_h%koff
	1953	! local_pf(i,j,k) = surf_usm_h%t_indoor(m)
	1954	! ENDDO
	1955	! ENDIF
[4646]	1956	!
[4246]	1957	! CASE ( 'im_t_indoor_wall_win' )
[4646]	1958	! IF ( av == 0 ) THEN
[4246]	1959	! DO l = 0, 3
	1960	! DO m = 1, surf_usm_v(l)%ns
	1961	! i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
	1962	! j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
	1963	! k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
	1964	! local_pf(i,j,k) = surf_usm_v(l)%t_indoor(m)
	1965	! ENDDO
	1966	! ENDDO
	1967	! ENDIF
	1968
	1969	CASE DEFAULT
	1970	found = .FALSE.
	1971
[4646]	1972	END SELECT
	1973
	1974	END SUBROUTINE im_data_output_3d
	1975
	1976
	1977	!--------------------------------------------------------------------------------------------------!
[4246]	1978	! Description:
	1979	! ------------
	1980	!> Parin for &indoor_parameters for indoor model
[4646]	1981	!--------------------------------------------------------------------------------------------------!
[4246]	1982	SUBROUTINE im_parin
[4646]	1983
	1984	USE control_parameters, &
[4246]	1985	ONLY: indoor_model
	1986
[4402]	1987
[4246]	1988	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
	1989
[4310]	1990	NAMELIST /indoor_parameters/ initial_indoor_temperature
[4246]	1991
[4646]	1992
[4246]	1993	!
	1994	!-- Try to find indoor model package
	1995	REWIND ( 11 )
	1996	line = ' '
[4646]	1997	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
[4246]	1998	READ ( 11, '(A)', END=10 ) line
	1999	ENDDO
	2000	BACKSPACE ( 11 )
	2001
	2002	!
	2003	!-- Read user-defined namelist
	2004	READ ( 11, indoor_parameters )
	2005	!
	2006	!-- Set flag that indicates that the indoor model is switched on
	2007	indoor_model = .TRUE.
	2008
	2009	!
	2010	!-- Activate spinup (maybe later
	2011	! IF ( spinup_time > 0.0_wp ) THEN
	2012	! coupling_start_time = spinup_time
	2013	! end_time = end_time + spinup_time
	2014	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
	2015	! spinup_pt_mean = pt_surface
	2016	! ENDIF
	2017	! spinup = .TRUE.
	2018	! ENDIF
	2019
	2020	10 CONTINUE
[4646]	2021
[4246]	2022	END SUBROUTINE im_parin
	2023
	2024
	2025	END MODULE indoor_model_mod

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