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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 4700

Last change on this file since 4700 was 4698, checked in by maronga, 4 years ago
bugfix in urban surface model (introduced in previous revision)
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1	!> @file indoor_model_mod.f90
2	!--------------------------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the 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.
8	!
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.
12	!
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/>.
15	!
16	! Copyright 2018-2020 Leibniz Universitaet Hannover
17	! Copyright 2018-2020 Hochschule Offenburg
18	!--------------------------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: indoor_model_mod.f90 4698 2020-09-25 08:37:55Z raasch $
27	! Fixed faulty characters
28	!
29	! 4687 2020-09-21 19:40:16Z maronga
30	! Bugfix: values of theta_m_t_prev were not stored for individual surfaces and thus re-used by all
31	! surfaces and buildings, which led to excessive indoor temperatures
32	!
33	! 4681 2020-09-16 10:23:06Z pavelkrc
34	! Bugfix for implementation of downward surfaces
35	!
36	! 4671 2020-09-09 20:27:58Z pavelkrc
37	! Implementation of downward facing USM and LSM surfaces
38	!
39	! 4646 2020-08-24 16:02:40Z raasch
40	! file re-formatted to follow the PALM coding standard
41	!
42	! 4481 2020-03-31 18:55:54Z maronga
43	! Change order of dimension in surface array %frac to allow for better vectorization.
44	!
45	! 4441 2020-03-04 19:20:35Z suehring
46	! Major bugfix in calculation of energy demand - floor-area-per-facade was wrongly calculated
47	! leading to unrealistically high energy demands and thus to unreallistically high waste-heat
48	! fluxes.
49	!
50	! 4346 2019-12-18 11:55:56Z motisi
51	! Introduction of wall_flags_total_0, which currently sets bits based on static topography
52	! information used in wall_flags_static_0
53	!
54	! 4329 2019-12-10 15:46:36Z motisi
55	! Renamed wall_flags_0 to wall_flags_static_0
56	!
57	! 4310 2019-11-26 19:01:28Z suehring
58	! Remove dt_indoor from namelist input. The indoor model is an hourly-based model, calling it
59	! more/less often lead to inaccurate results.
60	!
61	! 4299 2019-11-22 10:13:38Z suehring
62	! Output of indoor temperature revised (to avoid non-defined values within buildings)
63	!
64	! 4267 2019-10-16 18:58:49Z suehring
65	! Bugfix in initialization, some indices to access building_pars where wrong.
66	! Introduction of seasonal parameters.
67	!
68	! 4246 2019-09-30 09:27:52Z pavelkrc
69	!
70	!
71	! 4242 2019-09-27 12:59:10Z suehring
72	! Bugfix in array index
73	!
74	! 4238 2019-09-25 16:06:01Z suehring
75	! - Bugfix in determination of minimum facade height and in location message
76	! - Bugfix, avoid division by zero
77	! - Some optimization
78	!
79	! 4227 2019-09-10 18:04:34Z gronemeier
80	! implement new palm_date_time_mod
81	!
82	! 4217 2019-09-04 09:47:05Z scharf
83	! Corrected "Former revisions" section
84	!
85	! 4209 2019-09-02 12:00:03Z suehring
86	! - Bugfix in initialization of indoor temperature
87	! - Prescibe default indoor temperature in case it is not given in the namelist input
88	!
89	! 4182 2019-08-21 14:37:54Z scharf
90	! Corrected "Former revisions" section
91	!
92	! 4148 2019-08-08 11:26:00Z suehring
93	! Bugfix in case of non grid-resolved buildings. Further, vertical grid spacing is now considered at
94	! the correct level.
95	! - change calculation of a_m and c_m
96	! - change calculation of u-values (use h_es in building array)
97	! - rename h_tr_... to h_t_...
98	! h_tr_em to h_t_wm
99	! h_tr_op to h_t_wall
100	! h_tr_w to h_t_es
101	! - rename h_ve to h_v
102	! - rename h_is to h_ms
103	! - inserted net_floor_area
104	! - inserted params_waste_heat_h, params_waste_heat_c from building database
105	! in building array
106	! - change calculation of q_waste_heat
107	! - bugfix in averaging mean indoor temperature
108	!
109	! 3759 2019-02-21 15:53:45Z suehring
110	! - Calculation of total building volume
111	! - Several bugfixes
112	! - Calculation of building height revised
113	!
114	! 3745 2019-02-15 18:57:56Z suehring
115	! - remove building_type from module
116	! - initialize parameters for each building individually instead of a bulk initializaion with
117	! identical building type for all
118	! - output revised
119	! - add missing _wp
120	! - some restructuring of variables in building data structure
121	!
122	! 3744 2019-02-15 18:38:58Z suehring
123	! Some interface calls moved to module_interface + cleanup
124	!
125	! 3469 2018-10-30 20:05:07Z kanani
126	! Initial revision (tlang, suehring, kanani, srissman)!
127	!
128	! Authors:
129	! --------
130	! @author Tobias Lang
131	! @author Jens Pfafferott
132	! @author Farah Kanani-Suehring
133	! @author Matthias Suehring
134	! @author Sascha Rissmann
135	! @author Bjoern Maronga
136	!
137	!
138	! Description:
139	! ------------
140	!> Module for Indoor Climate Model (ICM)
141	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
142	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
143	!> This module differs between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine
144	!> thermal comfort
145	!> the heat transfer between indoor and outdoor is simplified
146
147	!> @todo Many statement comments that are given as doxygen comments need to be changed to normal comments
148	!> @todo Replace window_area_per_facade by %frac(1,m) for window
149	!> @todo emissivity change for window blinds if solar_protection_on=1
150
151	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
152	!> @note How to write indoor temperature output to pt array?
153	!>
154	!> @bug Calculation of iwghf_eb and iwghf_eb_window is faulty
155	!--------------------------------------------------------------------------------------------------!
156	MODULE indoor_model_mod
157
158	USE arrays_3d, &
159	ONLY: ddzw, &
160	dzw, &
161	pt
162
163	USE control_parameters, &
164	ONLY: initializing_actions
165
166	USE kinds
167
168	USE netcdf_data_input_mod, &
169	ONLY: building_id_f, building_type_f
170
171	USE palm_date_time_mod, &
172	ONLY: get_date_time, northward_equinox, seconds_per_hour, southward_equinox
173
174	USE surface_mod, &
175	ONLY: surf_usm_h, surf_usm_v
176
177
178	IMPLICIT NONE
179
180	!
181	!-- Define data structure for buidlings.
182	TYPE build
183
184	INTEGER(iwp) :: id !< building ID
185	INTEGER(iwp) :: kb_max !< highest vertical index of a building
186	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
187	INTEGER(iwp) :: num_facades_per_building_h = 0 !< total number of horizontal facades elements
188	INTEGER(iwp) :: num_facades_per_building_h_l = 0 !< number of horizontal facade elements on local subdomain
189	INTEGER(iwp) :: num_facades_per_building_v = 0 !< total number of vertical facades elements
190	INTEGER(iwp) :: num_facades_per_building_v_l = 0 !< number of vertical facade elements on local subdomain
191	INTEGER(iwp) :: ventilation_int_loads !< [-] allocation of activity in the building
192
193	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_h !< index array linking surface-element orientation index
194	!< for horizontal surfaces with building
195	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
196	!< for vertical surfaces with building
197	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
198	!< horizontal surfaces with building
199	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
200	!< vertical surfaces with building
201	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
202	!< and height level
203	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
204	!< and height level
205
206
207	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
208
209	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
210	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
211	REAL(wp) :: area_facade !< [m2] area of total facade
212	REAL(wp) :: building_height !< building height
213	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
214	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5
215	!< (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
216	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000
217	!< (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
218	REAL(wp) :: f_c_win !< [-] shading factor
219	REAL(wp) :: fapf !< [m2/m2] floor area per facade
220	REAL(wp) :: g_value_win !< [-] SHGC factor
221	REAL(wp) :: h_es !< [W/(m2 K)] surface-related heat transfer coefficient between extern and surface
222	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
223	REAL(wp) :: height_storey !< [m] storey heigth
224	REAL(wp) :: params_waste_heat_c !< [-] anthropogenic heat outputs for cooling e.g. 1.33 for KKM with COP = 3
225	REAL(wp) :: params_waste_heat_h !< [-] anthropogenic heat outputs for heating e.g. 1 - 0.9 = 0.1 for combustion with
226	!< eta = 0.9 or -2 for WP with COP = 3
227	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
228	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (positive)
229	REAL(wp) :: q_c_max !< [W/m2] Max. Cooling heat flux per netto floor area (negative)
230	REAL(wp) :: q_h_max !< [W/m2] Max. Heating heat flux per netto floor area (positive)
231	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
232	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
233	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
234	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
235	REAL(wp) :: net_floor_area !< [m2] netto ground area
236	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
237	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
238	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
239	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
240	REAL(wp) :: vol_tot !< [m3] total building volume
241
242	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
243	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
244	REAL(wp), DIMENSION(:), ALLOCATABLE :: theta_m_t_prev_h !< [degree_C] value of theta_m_t from previous time step (horizontal)
245	REAL(wp), DIMENSION(:), ALLOCATABLE :: theta_m_t_prev_v !< [degree_C] value of theta_m_t from previous time step (vertical)
246	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
247	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
248	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
249
250	END TYPE build
251
252	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
253
254	INTEGER(iwp) :: num_build !< total number of buildings in domain
255	!
256	!-- Declare all global variables within the module
257
258	REAL(wp), PARAMETER :: dt_indoor = 3600.0_wp !< [s] time interval for indoor-model application, fixed to
259	!< 3600.0 due to model requirements
260	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
261	!< surface and air (chap. 7.2.2.2)
262	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
263	!< component and surface (chap. 12.2.2)
264	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly
265	!< cooling 2.0_wp
266	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall
267	!< DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
268	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus
269	!< Datenbank 27 window_area_per_facade_percent
270	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation
271	!< on facade exceeds this value
272
273	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
274	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
275	INTEGER(iwp) :: solar_protection_off !< Solar protection off
276	INTEGER(iwp) :: solar_protection_on !< Solar protection on
277
278
279	REAL(wp) :: a_m !< [m2] the effective mass-related area
280	REAL(wp) :: air_change !< [1/h] Airflow
281	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
282	REAL(wp) :: facade_element_area !< [m2_facade] building surface facade
283	REAL(wp) :: floor_area_per_facade !< [m2/m2] floor area per facade area
284	REAL(wp) :: h_t_1 !< [W/K] Heat transfer coefficient auxiliary variable 1
285	REAL(wp) :: h_t_2 !< [W/K] Heat transfer coefficient auxiliary variable 2
286	REAL(wp) :: h_t_3 !< [W/K] Heat transfer coefficient auxiliary variable 3
287	REAL(wp) :: h_t_es !< [W/K] heat transfer coefficient of doors, windows, curtain walls and
288	!< glazed walls (assumption: thermal mass=0)
289	REAL(wp) :: h_t_is !< [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
290	REAL(wp) :: h_t_ms !< [W/K] Heat transfer conductance term (got with h_t_wm the thermal mass)
291	REAL(wp) :: h_t_wall !< [W/K] heat transfer coefficient of opaque components (assumption: got all
292	!< thermal mass) contains of h_t_wm and h_t_ms
293	REAL(wp) :: h_t_wm !< [W/K] Heat transfer coefficient of the emmision (got with h_t_ms the
294	!< thermal mass)
295	REAL(wp) :: h_v !< [W/K] heat transfer of ventilation
296	REAL(wp) :: indoor_volume_per_facade !< [m3] indoor air volume per facade element
297	REAL(wp) :: initial_indoor_temperature = 293.15 !< [K] initial indoor temperature (namelist parameter)
298	REAL(wp) :: net_sw_in !< [W/m2] net short-wave radiation
299	REAL(wp) :: phi_hc_nd !< [W] heating demand and/or cooling demand
300	REAL(wp) :: phi_hc_nd_10 !< [W] heating demand and/or cooling demand for heating or cooling
301	REAL(wp) :: phi_hc_nd_ac !< [W] actual heating demand and/or cooling demand
302	REAL(wp) :: phi_hc_nd_un !< [W] unlimited heating demand and/or cooling demand which is necessary to
303	!< reach the demanded required temperature (heating is positive,
304	!< cooling is negative)
305	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
306	REAL(wp) :: phi_m !< [W] mass specific thermal load (internal and external)
307	REAL(wp) :: phi_mtot !< [W] total mass specific thermal load (internal and external)
308	REAL(wp) :: phi_sol !< [W] solar loads
309	REAL(wp) :: phi_st !< [W] mass specific thermal load implied non thermal mass
310	REAL(wp) :: q_wall_win !< [W/m2]heat flux from indoor into wall/window
311	REAL(wp) :: q_waste_heat !< [W/m2]waste heat, sum of waste heat over the roof to Palm
312
313	REAL(wp) :: q_c_m !< [W] Energy of thermal storage mass specific thermal load for internal
314	!< and external heatsources (for energy bilanz)
315	REAL(wp) :: q_c_st !< [W] Energy of thermal storage mass specific thermal load implied non
316	!< thermal mass (for energy bilanz)
317	REAL(wp) :: q_int !< [W] Energy of internal air load (for energy bilanz)
318	REAL(wp) :: q_sol !< [W] Energy of solar (for energy bilanz)
319	REAL(wp) :: q_trans !< [W] Energy of transmission (for energy bilanz)
320	REAL(wp) :: q_vent !< [W] Energy of ventilation (for energy bilanz)
321
322	REAL(wp) :: schedule_d !< [-] activation for internal loads (low or high + low)
323	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
324	REAL(wp) :: theta_air !< [degree_C] air temperature of the RC-node
325	REAL(wp) :: theta_air_0 !< [degree_C] air temperature of the RC-node in equilibrium
326	REAL(wp) :: theta_air_10 !< [degree_C] air temperature of the RC-node from a heating capacity
327	!< of 10 W/m2
328	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
329	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
330	REAL(wp) :: theta_m !< [degree_C} inner temperature of the RC-node
331	REAL(wp) :: theta_m_t !< [degree_C] (Fictive) component temperature during timestep
332	REAL(wp) :: theta_op !< [degree_C] operative temperature
333	REAL(wp) :: theta_s !< [degree_C] surface temperature of the RC-node
334	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
335	REAL(wp) :: total_area !< [m2] area of all surfaces pointing to zone
336	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
337
338	!
339	!-- Definition of seasonal parameters, summer and winter, for different building types
340	REAL(wp), DIMENSION(0:1,1:7) :: summer_pars = RESHAPE( (/ & ! building_type 1
341	0.5_wp, & ! basical airflow without occupancy of the room
342	2.0_wp, & ! additional airflow depend of occupancy of the room
343	0.5_wp, & ! building_type 2: basical airflow without occupancy
344	! of the room
345	2.0_wp, & ! additional airflow depend of occupancy of the room
346	0.8_wp, & ! building_type 3: basical airflow without occupancy
347	! of the room
348	2.0_wp, & ! additional airflow depend of occupancy of the room
349	0.1_wp, & ! building_type 4: basical airflow without occupancy
350	! of the room
351	1.5_wp, & ! additional airflow depend of occupancy of the room
352	0.1_wp, & ! building_type 5: basical airflow without occupancy
353	! of the room
354	1.5_wp, & ! additional airflow depend of occupancy of the room
355	0.1_wp, & ! building_type 6: 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 7: basical airflow without occupancy
359	! of the room
360	1.5_wp & ! additional airflow depend of occupancy of the room
361	/), (/ 2, 7 /) )
362
363	REAL(wp), DIMENSION(0:1,1:7) :: winter_pars = RESHAPE( (/ & ! building_type 1
364	0.1_wp, & ! basical airflow without occupancy of the room
365	0.5_wp, & ! additional airflow depend of occupancy of the room
366	0.1_wp, & ! building_type 2: basical airflow without occupancy
367	! of the room
368	0.5_wp, & ! additional airflow depend of occupancy of the room
369	0.1_wp, & ! building_type 3: basical airflow without occupancy
370	! of the room
371	0.5_wp, & ! additional airflow depend of occupancy of the room
372	0.1_wp, & ! building_type 4: basical airflow without occupancy
373	! of the room
374	1.5_wp, & ! additional airflow depend of occupancy of the room
375	0.1_wp, & ! building_type 5: basical airflow without occupancy
376	! of the room
377	1.5_wp, & ! additional airflow depend of occupancy of the room
378	0.1_wp, & ! building_type 6: basical airflow without occupancy
379	! of the room
380	1.5_wp, & ! additional airflow depend of occupancy of the room
381	0.1_wp, & ! building_type 7: basical airflow without occupancy
382	! of the room
383	1.5_wp & ! additional airflow depend of occupancy of the room
384	/), (/ 2, 7 /) )
385
386	SAVE
387
388
389	PRIVATE
390
391	!
392	!-- Add INTERFACES that must be available to other modules
393	PUBLIC im_init, im_main_heatcool, im_parin, im_define_netcdf_grid, im_check_data_output, &
394	im_data_output_3d, im_check_parameters
395
396
397	!
398	!-- Add VARIABLES that must be available to other modules
399	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
400
401	!
402	!-- PALM interfaces:
403	!-- Data output checks for 2D/3D data to be done in check_parameters
404	INTERFACE im_check_data_output
405	MODULE PROCEDURE im_check_data_output
406	END INTERFACE im_check_data_output
407	!
408	!-- Input parameter checks to be done in check_parameters
409	INTERFACE im_check_parameters
410	MODULE PROCEDURE im_check_parameters
411	END INTERFACE im_check_parameters
412	!
413	!-- Data output of 3D data
414	INTERFACE im_data_output_3d
415	MODULE PROCEDURE im_data_output_3d
416	END INTERFACE im_data_output_3d
417
418	!
419	!-- Definition of data output quantities
420	INTERFACE im_define_netcdf_grid
421	MODULE PROCEDURE im_define_netcdf_grid
422	END INTERFACE im_define_netcdf_grid
423	!
424	! !
425	! !-- Output of information to the header file
426	! INTERFACE im_header
427	! MODULE PROCEDURE im_header
428	! END INTERFACE im_header
429	!
430	!-- Calculations for indoor temperatures
431	INTERFACE im_calc_temperatures
432	MODULE PROCEDURE im_calc_temperatures
433	END INTERFACE im_calc_temperatures
434	!
435	!-- Initialization actions
436	INTERFACE im_init
437	MODULE PROCEDURE im_init
438	END INTERFACE im_init
439	!
440	!-- Main part of indoor model
441	INTERFACE im_main_heatcool
442	MODULE PROCEDURE im_main_heatcool
443	END INTERFACE im_main_heatcool
444	!
445	!-- Reading of NAMELIST parameters
446	INTERFACE im_parin
447	MODULE PROCEDURE im_parin
448	END INTERFACE im_parin
449
450	CONTAINS
451
452	!--------------------------------------------------------------------------------------------------!
453	! Description:
454	! ------------
455	!< Calculation of the air temperatures and mean radiation temperature.
456	!< This is basis for the operative temperature.
457	!< Based on a Crank-Nicholson scheme with a timestep of a hour.
458	!--------------------------------------------------------------------------------------------------!
459	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
460	near_facade_temperature, phi_hc_nd_dummy, theta_m_t_prev )
461
462	INTEGER(iwp) :: i
463	INTEGER(iwp) :: j
464	INTEGER(iwp) :: k
465
466	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
467	REAL(wp) :: near_facade_temperature
468	REAL(wp) :: phi_hc_nd_dummy
469	REAL(wp), INTENT(IN) :: theta_m_t_prev
470	!
471	!-- Calculation of total mass specific thermal load (internal and external)
472	phi_mtot = ( phi_m + h_t_wm * indoor_wall_window_temperature &
473	+ h_t_3 * ( phi_st + h_t_es * pt(k,j,i) &
474	+ h_t_1 * &
475	( ( ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
476	+ near_facade_temperature ) &
477	) / h_t_2 &
478	) !< [degree_C] Eq. (C.5)
479	!
480	!-- Calculation of component temperature at current timestep
481	theta_m_t = ( ( theta_m_t_prev &
482	* ( ( c_m / 3600.0_wp ) - 0.5_wp * ( h_t_3 + h_t_wm ) ) &
483	+ phi_mtot &
484	) &
485	/ ( ( c_m / 3600.0_wp ) + 0.5_wp * ( h_t_3 + h_t_wm ) ) &
486	) !< [degree_C] Eq. (C.4)
487	!
488	!-- Calculation of mean inner temperature for the RC-node in current timestep
489	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5_wp !< [degree_C] Eq. (C.9)
490
491	!
492	!-- Calculation of mean surface temperature of the RC-node in current timestep
493	theta_s = ( ( h_t_ms * theta_m + phi_st + h_t_es * pt(k,j,i) &
494	+ h_t_1 * ( near_facade_temperature &
495	+ ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
496	) &
497	/ ( h_t_ms + h_t_es + h_t_1 ) &
498	) !< [degree_C] Eq. (C.10)
499
500	!
501	!-- Calculation of the air temperature of the RC-node
502
503
504	theta_air = ( h_t_is * theta_s + h_v * near_facade_temperature + phi_ia + phi_hc_nd_dummy ) / &
505	( h_t_is + h_v ) !< [degree_C] Eq. (C.11)
506
507
508	END SUBROUTINE im_calc_temperatures
509
510
511	!--------------------------------------------------------------------------------------------------!
512	! Description:
513	! ------------
514	!> Initialization of the indoor model.
515	!> Static information are calculated here, e.g. building parameters and geometrical information,
516	!> anything that doesn't change in time.
517	!
518	!-- Input values
519	!-- Input datas from Palm, M4
520	! i_global --> net_sw_in !< global radiation [W/m2]
521	! theta_e --> pt(k,j,i) !< undisturbed outside temperature, 1. PALM volume, for windows
522	! theta_sup = theta_f --> surf_usm_h%pt_10cm(m)
523	! surf_usm_v(l)%pt_10cm(m) !< Air temperature, facade near (10cm) air temperature from
524	!< 1. Palm volume
525	! theta_node --> t_wall_h(nzt_wall,m)
526	! t_wall_v(l)%t(nzt_wall,m) !< Temperature of innermost wall layer, for opaque wall
527	!--------------------------------------------------------------------------------------------------!
528	SUBROUTINE im_init
529
530	USE control_parameters, &
531	ONLY: message_string, time_since_reference_point
532
533	USE indices, &
534	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_total_0
535
536	USE grid_variables, &
537	ONLY: dx, dy
538
539	USE pegrid
540
541	USE surface_mod, &
542	ONLY: surf_usm_h, surf_usm_v
543
544	USE urban_surface_mod, &
545	ONLY: building_pars, building_type
546
547	INTEGER(iwp) :: bt !< local building type
548	INTEGER(iwp) :: day_of_year !< day of the year
549	INTEGER(iwp) :: i !< running index along x-direction
550	INTEGER(iwp) :: j !< running index along y-direction
551	INTEGER(iwp) :: k !< running index along z-direction
552	INTEGER(iwp) :: l !< running index for surface-element orientation
553	INTEGER(iwp) :: m !< running index surface elements
554	INTEGER(iwp) :: n !< building index
555	INTEGER(iwp) :: nb !< building index
556
557	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
558	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
559	!< multiple occurences are sorted out
560	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
561	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
562	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
563	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
564	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
565	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
566	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
567	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
568	!< horizontal facade elements
569	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
570	!< vertical facade elements
571	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
572	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
573
574	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
575	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
576
577	REAL(wp) :: u_tmp !< dummy for temporary calculation of u-value without h_is
578	REAL(wp) :: du_tmp !< 1/u_tmp
579	REAL(wp) :: du_win_tmp !< 1/building(nb)%u_value_win
580	REAL(wp) :: facade_area_v !< dummy to compute the total facade area from vertical walls
581
582	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
583	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
584	!< on local subdomain
585
586	CALL location_message( 'initializing indoor model', 'start' )
587	!
588	!-- Initializing of indoor model is only possible if buildings can be distinguished by their IDs.
589	IF ( .NOT. building_id_f%from_file ) THEN
590	message_string = 'Indoor model requires information about building_id'
591	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
592	ENDIF
593	!
594	!-- Determine number of different building IDs on local subdomain.
595	num_buildings_l = 0
596	num_buildings = 0
597	ALLOCATE( build_ids_l(1) )
598	DO i = nxl, nxr
599	DO j = nys, nyn
600	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
601	IF ( num_buildings_l(myid) > 0 ) THEN
602	IF ( ANY( building_id_f%var(j,i) == build_ids_l ) ) THEN
603	CYCLE
604	ELSE
605	num_buildings_l(myid) = num_buildings_l(myid) + 1
606	!
607	!-- Resize array with different local building ids
608	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
609	build_ids_l_tmp = build_ids_l
610	DEALLOCATE( build_ids_l )
611	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
612	build_ids_l(1:num_buildings_l(myid)-1) = &
613	build_ids_l_tmp(1:num_buildings_l(myid)-1)
614	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
615	DEALLOCATE( build_ids_l_tmp )
616	ENDIF
617	!
618	!-- First occuring building id on PE
619	ELSE
620	num_buildings_l(myid) = num_buildings_l(myid) + 1
621	build_ids_l(1) = building_id_f%var(j,i)
622	ENDIF
623	ENDIF
624	ENDDO
625	ENDDO
626	!
627	!-- Determine number of building IDs for the entire domain. (Note, building IDs can appear multiple
628	!-- times as buildings might be distributed over several PEs.)
629	#if defined( __parallel )
630	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, MPI_INTEGER, MPI_SUM, comm2d, &
631	ierr )
632	#else
633	num_buildings = num_buildings_l
634	#endif
635	ALLOCATE( build_ids(1:SUM(num_buildings)) )
636	!
637	!-- Gather building IDs. Therefore, first, determine displacements used required for MPI_GATHERV
638	!-- call.
639	ALLOCATE( displace_dum(0:numprocs-1) )
640	displace_dum(0) = 0
641	DO i = 1, numprocs-1
642	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
643	ENDDO
644
645	#if defined( __parallel )
646	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
647	num_buildings(myid), &
648	MPI_INTEGER, &
649	build_ids, &
650	num_buildings, &
651	displace_dum, &
652	MPI_INTEGER, &
653	comm2d, ierr )
654
655	DEALLOCATE( displace_dum )
656
657	#else
658	build_ids = build_ids_l
659	#endif
660	!
661	!-- Note: in parallel mode, building IDs can occur mutliple times, as each PE has send its own ids.
662	!-- Therefore, sort out building IDs which appear multiple times.
663	num_build = 0
664	DO n = 1, SIZE(build_ids)
665
666	IF ( ALLOCATED(build_ids_final) ) THEN
667	IF ( ANY( build_ids(n) == build_ids_final ) ) THEN
668	CYCLE
669	ELSE
670	num_build = num_build + 1
671	!
672	!-- Resize
673	ALLOCATE( build_ids_final_tmp(1:num_build) )
674	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
675	DEALLOCATE( build_ids_final )
676	ALLOCATE( build_ids_final(1:num_build) )
677	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
678	build_ids_final(num_build) = build_ids(n)
679	DEALLOCATE( build_ids_final_tmp )
680	ENDIF
681	ELSE
682	num_build = num_build + 1
683	ALLOCATE( build_ids_final(1:num_build) )
684	build_ids_final(num_build) = build_ids(n)
685	ENDIF
686	ENDDO
687
688	!
689	!-- Allocate building-data structure array. Note, this is a global array and all building IDs on
690	!-- domain are known by each PE. Further attributes, e.g. height-dependent arrays, however, are only
691	!-- allocated on PEs where the respective building is present (in order to reduce memory demands).
692	ALLOCATE( buildings(1:num_build) )
693
694	!
695	!-- Store building IDs and check if building with certain ID is present on subdomain.
696	DO nb = 1, num_build
697	buildings(nb)%id = build_ids_final(nb)
698
699	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) &
700	buildings(nb)%on_pe = .TRUE.
701	ENDDO
702	!
703	!-- Determine the maximum vertical dimension occupied by each building.
704	ALLOCATE( k_min_l(1:num_build) )
705	ALLOCATE( k_max_l(1:num_build) )
706	k_min_l = nzt + 1
707	k_max_l = 0
708
709	DO i = nxl, nxr
710	DO j = nys, nyn
711	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
712	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
713	DO k = nzb, nzt+1
714	!
715	!-- Check if grid point belongs to a building.
716	IF ( BTEST( wall_flags_total_0(k,j,i), 6 ) ) THEN
717	k_min_l(nb) = MIN( k_min_l(nb), k )
718	k_max_l(nb) = MAX( k_max_l(nb), k )
719	ENDIF
720
721	ENDDO
722	ENDIF
723	ENDDO
724	ENDDO
725
726	#if defined( __parallel )
727	CALL MPI_ALLREDUCE( k_min_l(:), buildings(:)%kb_min, num_build, MPI_INTEGER, MPI_MIN, comm2d, &
728	ierr )
729	CALL MPI_ALLREDUCE( k_max_l(:), buildings(:)%kb_max, num_build, MPI_INTEGER, MPI_MAX, comm2d, &
730	ierr )
731	#else
732	buildings(:)%kb_min = k_min_l(:)
733	buildings(:)%kb_max = k_max_l(:)
734	#endif
735
736	DEALLOCATE( k_min_l )
737	DEALLOCATE( k_max_l )
738	!
739	!-- Calculate building height.
740	DO nb = 1, num_build
741	buildings(nb)%building_height = 0.0_wp
742	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
743	buildings(nb)%building_height = buildings(nb)%building_height + dzw(k+1)
744	ENDDO
745	ENDDO
746	!
747	!-- Calculate building volume
748	DO nb = 1, num_build
749	!
750	!-- Allocate temporary array for summing-up building volume
751	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
752	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
753	volume = 0.0_wp
754	volume_l = 0.0_wp
755	!
756	!-- Calculate building volume per height level on each PE where these building is present.
757	IF ( buildings(nb)%on_pe ) THEN
758
759	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
760	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
761	buildings(nb)%volume = 0.0_wp
762	buildings(nb)%vol_frac = 0.0_wp
763
764	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) THEN
765	DO i = nxl, nxr
766	DO j = nys, nyn
767	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
768	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
769	volume_l(k) = volume_l(k) + dx * dy * dzw(k+1)
770	ENDDO
771	ENDDO
772	ENDDO
773	ENDIF
774	ENDIF
775	!
776	!-- Sum-up building volume from all subdomains
777	#if defined( __parallel )
778	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, comm2d, ierr )
779	#else
780	volume = volume_l
781	#endif
782	!
783	!-- Save total building volume as well as local fraction on volume on building data structure.
784	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
785	!
786	!-- Determine fraction of local on total building volume
787	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
788	!
789	!-- Calculate total building volume
790	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%vol_tot = SUM( buildings(nb)%volume )
791
792	DEALLOCATE( volume )
793	DEALLOCATE( volume_l )
794
795	ENDDO
796	!
797	!-- Allocate arrays for indoor temperature.
798	DO nb = 1, num_build
799	IF ( buildings(nb)%on_pe ) THEN
800	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
801	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
802	buildings(nb)%t_in = 0.0_wp
803	buildings(nb)%t_in_l = 0.0_wp
804	ENDIF
805	ENDDO
806	!
807	!-- Allocate arrays for number of facades per height level. Distinguish between horizontal and
808	!-- vertical facades.
809	DO nb = 1, num_build
810	IF ( buildings(nb)%on_pe ) THEN
811	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
812	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
813
814	buildings(nb)%num_facade_h = 0
815	buildings(nb)%num_facade_v = 0
816	ENDIF
817	ENDDO
818	!
819	!-- Determine number of facade elements per building on local subdomain.
820	!-- Distinguish between horizontal and vertical facade elements.
821	!
822	!-- Horizontal facades
823	buildings(:)%num_facades_per_building_h_l = 0
824	DO l = 0, 1
825	DO m = 1, surf_usm_h(l)%ns
826	!
827	!-- For the current facade element determine corresponding building index.
828	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
829	!-- element and building location (for horizontal surface elements the horizontal offsets are
830	!-- zero).
831	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
832	j = surf_usm_h(l)%j(m) + surf_usm_h(l)%joff
833	k = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
834	!
835	!-- Determine building index and check whether building is on PE.
836	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
837
838	IF ( buildings(nb)%on_pe ) THEN
839	!
840	!-- Count number of facade elements at each height level.
841	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
842	!
843	!-- Moreover, sum up number of local facade elements per building.
844	buildings(nb)%num_facades_per_building_h_l = &
845	buildings(nb)%num_facades_per_building_h_l + 1
846	ENDIF
847	ENDDO
848	ENDDO
849	!
850	!-- Vertical facades
851	buildings(:)%num_facades_per_building_v_l = 0
852	DO l = 0, 3
853	DO m = 1, surf_usm_v(l)%ns
854	!
855	!-- For the current facade element determine corresponding building index.
856	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
857	!-- element and building location (for vertical surface elements the vertical offsets are
858	!-- zero).
859	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
860	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
861	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
862
863	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
864	IF ( buildings(nb)%on_pe ) THEN
865	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
866	buildings(nb)%num_facades_per_building_v_l = &
867	buildings(nb)%num_facades_per_building_v_l + 1
868	ENDIF
869	ENDDO
870	ENDDO
871	!
872	!-- Determine total number of facade elements per building and assign number to building data type.
873	DO nb = 1, num_build
874	!
875	!-- Allocate dummy array used for summing-up facade elements.
876	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
877	!-- allocated on all PEs.
878	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
879	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
880	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
881	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
882	num_facades_h = 0
883	num_facades_v = 0
884	receive_dum_h = 0
885	receive_dum_v = 0
886
887	IF ( buildings(nb)%on_pe ) THEN
888	num_facades_h = buildings(nb)%num_facade_h
889	num_facades_v = buildings(nb)%num_facade_v
890	ENDIF
891
892	#if defined( __parallel )
893	CALL MPI_ALLREDUCE( num_facades_h, &
894	receive_dum_h, &
895	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
896	MPI_INTEGER, &
897	MPI_SUM, &
898	comm2d, &
899	ierr )
900
901	CALL MPI_ALLREDUCE( num_facades_v, &
902	receive_dum_v, &
903	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
904	MPI_INTEGER, &
905	MPI_SUM, &
906	comm2d, &
907	ierr )
908	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) buildings(nb)%num_facade_h = receive_dum_h
909	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) buildings(nb)%num_facade_v = receive_dum_v
910	#else
911	buildings(nb)%num_facade_h = num_facades_h
912	buildings(nb)%num_facade_v = num_facades_v
913	#endif
914
915	!
916	!-- Deallocate dummy arrays
917	DEALLOCATE( num_facades_h )
918	DEALLOCATE( num_facades_v )
919	DEALLOCATE( receive_dum_h )
920	DEALLOCATE( receive_dum_v )
921	!
922	!-- Allocate index arrays which link facade elements with surface-data type.
923	!-- Please note, no height levels are considered here (information is stored in surface-data type
924	!-- itself).
925	IF ( buildings(nb)%on_pe ) THEN
926	!
927	!-- Determine number of facade elements per building.
928	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
929	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
930	!
931	!-- Allocate arrays which link the building with the horizontal and vertical urban-type
932	!-- surfaces. Please note, linking arrays are allocated over all facade elements, which is
933	!-- required in case a building is located at the subdomain boundaries, where the building and
934	!-- the corresponding surface elements are located on different subdomains.
935	ALLOCATE( buildings(nb)%l_h(1:buildings(nb)%num_facades_per_building_h_l) )
936	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
937
938	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
939	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
940
941	ALLOCATE( buildings(nb)%theta_m_t_prev_h(1:buildings(nb)%num_facades_per_building_h_l) )
942	ALLOCATE( buildings(nb)%theta_m_t_prev_v(1:buildings(nb)%num_facades_per_building_v_l) )
943	ENDIF
944
945	IF ( buildings(nb)%on_pe ) THEN
946	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
947	buildings(nb)%vpf = 0.0_wp
948
949	facade_area_v = 0.0_wp
950	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
951	facade_area_v = facade_area_v + buildings(nb)%num_facade_v(k) * dzw(k+1) * dx
952	ENDDO
953	!
954	!-- Determine volume per total facade area (vpf). For the horizontal facade area
955	!-- num_facades_per_building_h can be taken, multiplied with dx*dy.
956	!-- However, due to grid stretching, vertical facade elements must be summed-up vertically.
957	!-- Please note, if dx /= dy, an error is made!
958	buildings(nb)%vpf = buildings(nb)%vol_tot / &
959	( buildings(nb)%num_facades_per_building_h * dx * dy + facade_area_v )
960	!
961	!-- Determine floor-area-per-facade.
962	buildings(nb)%fapf = buildings(nb)%num_facades_per_building_h * dx * dy &
963	/ ( buildings(nb)%num_facades_per_building_h * dx * dy &
964	+ facade_area_v )
965	ENDIF
966	ENDDO
967	!
968	!-- Link facade elements with surface data type.
969	!-- Allocate array for counting.
970	ALLOCATE( n_fa(1:num_build) )
971	n_fa = 1
972
973	DO l = 0, 1
974	DO m = 1, surf_usm_h(l)%ns
975	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
976	j = surf_usm_h(l)%j(m) + surf_usm_h(l)%joff
977
978	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
979
980	IF ( buildings(nb)%on_pe ) THEN
981	buildings(nb)%l_h(n_fa(nb)) = l
982	buildings(nb)%m_h(n_fa(nb)) = m
983	n_fa(nb) = n_fa(nb) + 1
984	ENDIF
985	ENDDO
986	ENDDO
987
988	n_fa = 1
989	DO l = 0, 3
990	DO m = 1, surf_usm_v(l)%ns
991	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
992	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
993
994	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
995
996	IF ( buildings(nb)%on_pe ) THEN
997	buildings(nb)%l_v(n_fa(nb)) = l
998	buildings(nb)%m_v(n_fa(nb)) = m
999	n_fa(nb) = n_fa(nb) + 1
1000	ENDIF
1001	ENDDO
1002	ENDDO
1003	DEALLOCATE( n_fa )
1004	!
1005	!-- Initialize building parameters, first by mean building type. Note, in this case all buildings
1006	!-- have the same type.
1007	!-- In a second step initialize with building tpyes from static input file, where building types can
1008	!-- be individual for each building.
1009	buildings(:)%lambda_layer3 = building_pars(31,building_type)
1010	buildings(:)%s_layer3 = building_pars(44,building_type)
1011	buildings(:)%f_c_win = building_pars(119,building_type)
1012	buildings(:)%g_value_win = building_pars(120,building_type)
1013	buildings(:)%u_value_win = building_pars(121,building_type)
1014	buildings(:)%eta_ve = building_pars(124,building_type)
1015	buildings(:)%factor_a = building_pars(125,building_type)
1016	buildings(:)%factor_c = building_pars(126,building_type)
1017	buildings(:)%lambda_at = building_pars(127,building_type)
1018	buildings(:)%theta_int_h_set = building_pars(13,building_type)
1019	buildings(:)%theta_int_c_set = building_pars(12,building_type)
1020	buildings(:)%q_h_max = building_pars(128,building_type)
1021	buildings(:)%q_c_max = building_pars(129,building_type)
1022	buildings(:)%qint_high = building_pars(130,building_type)
1023	buildings(:)%qint_low = building_pars(131,building_type)
1024	buildings(:)%height_storey = building_pars(132,building_type)
1025	buildings(:)%height_cei_con = building_pars(133,building_type)
1026	buildings(:)%params_waste_heat_h = building_pars(134,building_type)
1027	buildings(:)%params_waste_heat_c = building_pars(135,building_type)
1028	!
1029	!-- Initialize seasonal dependent parameters, depending on day of the year.
1030	!-- First, calculated day of the year.
1031	CALL get_date_time( time_since_reference_point, day_of_year = day_of_year )
1032	!
1033	!-- Summer is defined in between northward- and southward equinox.
1034	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
1035	buildings(:)%air_change_low = summer_pars(0,building_type)
1036	buildings(:)%air_change_high = summer_pars(1,building_type)
1037	ELSE
1038	buildings(:)%air_change_low = winter_pars(0,building_type)
1039	buildings(:)%air_change_high = winter_pars(1,building_type)
1040	ENDIF
1041	!
1042	!-- Initialize ventilation load. Please note, building types > 7 are actually not allowed (check
1043	!-- already in urban_surface_mod and netcdf_data_input_mod.
1044	!-- However, the building data base may be later extended.
1045	IF ( building_type == 1 .OR. building_type == 2 .OR. &
1046	building_type == 3 .OR. building_type == 10 .OR. &
1047	building_type == 11 .OR. building_type == 12 ) THEN
1048	buildings(:)%ventilation_int_loads = 1
1049	!
1050	!-- Office, building with large windows
1051	ELSEIF ( building_type == 4 .OR. building_type == 5 .OR. &
1052	building_type == 6 .OR. building_type == 7 .OR. &
1053	building_type == 8 .OR. building_type == 9) THEN
1054	buildings(:)%ventilation_int_loads = 2
1055	!
1056	!-- Industry, hospitals
1057	ELSEIF ( building_type == 13 .OR. building_type == 14 .OR. &
1058	building_type == 15 .OR. building_type == 16 .OR. &
1059	building_type == 17 .OR. building_type == 18 ) THEN
1060	buildings(:)%ventilation_int_loads = 3
1061	ENDIF
1062	!
1063	!-- Initialization of building parameters - level 2
1064	IF ( building_type_f%from_file ) THEN
1065	DO i = nxl, nxr
1066	DO j = nys, nyn
1067	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
1068	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1069	bt = building_type_f%var(j,i)
1070
1071	buildings(nb)%lambda_layer3 = building_pars(31,bt)
1072	buildings(nb)%s_layer3 = building_pars(44,bt)
1073	buildings(nb)%f_c_win = building_pars(119,bt)
1074	buildings(nb)%g_value_win = building_pars(120,bt)
1075	buildings(nb)%u_value_win = building_pars(121,bt)
1076	buildings(nb)%eta_ve = building_pars(124,bt)
1077	buildings(nb)%factor_a = building_pars(125,bt)
1078	buildings(nb)%factor_c = building_pars(126,bt)
1079	buildings(nb)%lambda_at = building_pars(127,bt)
1080	buildings(nb)%theta_int_h_set = building_pars(13,bt)
1081	buildings(nb)%theta_int_c_set = building_pars(12,bt)
1082	buildings(nb)%q_h_max = building_pars(128,bt)
1083	buildings(nb)%q_c_max = building_pars(129,bt)
1084	buildings(nb)%qint_high = building_pars(130,bt)
1085	buildings(nb)%qint_low = building_pars(131,bt)
1086	buildings(nb)%height_storey = building_pars(132,bt)
1087	buildings(nb)%height_cei_con = building_pars(133,bt)
1088	buildings(nb)%params_waste_heat_h = building_pars(134,bt)
1089	buildings(nb)%params_waste_heat_c = building_pars(135,bt)
1090
1091	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
1092	buildings(nb)%air_change_low = summer_pars(0,bt)
1093	buildings(nb)%air_change_high = summer_pars(1,bt)
1094	ELSE
1095	buildings(nb)%air_change_low = winter_pars(0,bt)
1096	buildings(nb)%air_change_high = winter_pars(1,bt)
1097	ENDIF
1098
1099	!
1100	!-- Initialize ventilaation load. Please note, building types > 7
1101	!-- are actually not allowed (check already in urban_surface_mod
1102	!-- and netcdf_data_input_mod. However, the building data base may
1103	!-- be later extended.
1104	IF ( bt == 1 .OR. bt == 2 .OR. &
1105	bt == 3 .OR. bt == 10 .OR. &
1106	bt == 11 .OR. bt == 12 ) THEN
1107	buildings(nb)%ventilation_int_loads = 1
1108	!
1109	!-- Office, building with large windows
1110	ELSEIF ( bt == 4 .OR. bt == 5 .OR. &
1111	bt == 6 .OR. bt == 7 .OR. &
1112	bt == 8 .OR. bt == 9) THEN
1113	buildings(nb)%ventilation_int_loads = 2
1114	!
1115	!-- Industry, hospitals
1116	ELSEIF ( bt == 13 .OR. bt == 14 .OR. &
1117	bt == 15 .OR. bt == 16 .OR. &
1118	bt == 17 .OR. bt == 18 ) THEN
1119	buildings(nb)%ventilation_int_loads = 3
1120	ENDIF
1121	ENDIF
1122	ENDDO
1123	ENDDO
1124	ENDIF
1125	!
1126	!-- Calculation of surface-related heat transfer coeffiecient out of standard u-values from building
1127	!-- database.
1128	!-- Only amount of extern and surface is used.
1129	!-- Otherwise amount between air and surface taken account twice.
1130	DO nb = 1, num_build
1131	IF ( buildings(nb)%on_pe ) THEN
1132	du_win_tmp = 1.0_wp / buildings(nb)%u_value_win
1133	u_tmp = buildings(nb)%u_value_win * ( du_win_tmp / ( du_win_tmp - &
1134	0.125_wp + ( 1.0_wp / h_is ) ) )
1135
1136	du_tmp = 1.0_wp / u_tmp
1137
1138	buildings(nb)%h_es = 1.0_wp / ( du_tmp - ( 1.0_wp / h_is ) )
1139
1140	ENDIF
1141	ENDDO
1142	!
1143	!-- Initialize indoor temperature. Actually only for output at initial state.
1144	DO nb = 1, num_build
1145	IF ( buildings(nb)%on_pe ) THEN
1146	buildings(nb)%t_in(:) = initial_indoor_temperature
1147
1148	!
1149	!-- (after first loop, use theta_m_t as theta_m_t_prev)
1150	buildings(nb)%theta_m_t_prev_h(:) = initial_indoor_temperature
1151	buildings(nb)%theta_m_t_prev_v(:) = initial_indoor_temperature
1152
1153	ENDIF
1154	ENDDO
1155
1156	CALL location_message( 'initializing indoor model', 'finished' )
1157
1158	END SUBROUTINE im_init
1159
1160
1161	!--------------------------------------------------------------------------------------------------!
1162	! Description:
1163	! ------------
1164	!> Main part of the indoor model.
1165	!> Calculation of .... (kanani: Please describe)
1166	!--------------------------------------------------------------------------------------------------!
1167	SUBROUTINE im_main_heatcool
1168
1169	! USE basic_constants_and_equations_mod, &
1170	! ONLY: c_p
1171
1172	USE control_parameters, &
1173	ONLY: time_since_reference_point
1174
1175	USE grid_variables, &
1176	ONLY: dx, dy
1177
1178	USE pegrid
1179
1180	USE surface_mod, &
1181	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
1182
1183	USE urban_surface_mod, &
1184	ONLY: building_type, nzt_wall, t_wall_h, t_wall_v, t_window_h, t_window_v
1185
1186
1187	INTEGER(iwp) :: fa !< running index for facade elements of each building
1188	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
1189	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
1190	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
1191	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
1192	INTEGER(iwp) :: l !< running index for surface-element orientation
1193	INTEGER(iwp) :: m !< running index surface elements
1194	INTEGER(iwp) :: nb !< running index for buildings
1195
1196	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
1197	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
1198	REAL(wp) :: second_of_day !< second of the current day
1199	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
1200
1201	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
1202	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
1203	!
1204	!-- Determine time of day in hours.
1205	CALL get_date_time( time_since_reference_point, second_of_day=second_of_day )
1206	time_utc_hour = second_of_day / seconds_per_hour
1207	!
1208	!-- Following calculations must be done for each facade element.
1209	DO nb = 1, num_build
1210	!
1211	!-- First, check whether building is present on local subdomain.
1212	IF ( buildings(nb)%on_pe ) THEN
1213	!
1214	!-- Determine daily schedule. 08:00-18:00 = 1, other hours = 0.
1215	!-- Residental Building, panel WBS 70
1216	IF ( buildings(nb)%ventilation_int_loads == 1 ) THEN
1217	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
1218	schedule_d = 0
1219	ELSE
1220	schedule_d = 1
1221	ENDIF
1222	ENDIF
1223	!
1224	!-- Office, building with large windows
1225	IF ( buildings(nb)%ventilation_int_loads == 2 ) THEN
1226	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
1227	schedule_d = 1
1228	ELSE
1229	schedule_d = 0
1230	ENDIF
1231	ENDIF
1232	!
1233	!-- Industry, hospitals
1234	IF ( buildings(nb)%ventilation_int_loads == 3 ) THEN
1235	IF ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
1236	schedule_d = 1
1237	ELSE
1238	schedule_d = 0
1239	ENDIF
1240	ENDIF
1241	!
1242	!-- Initialize/reset indoor temperature
1243	buildings(nb)%t_in_l = 0.0_wp
1244	!
1245	!-- Horizontal surfaces
1246	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
1247	!
1248	!-- Determine indices where corresponding surface-type information is stored.
1249	l = buildings(nb)%l_h(fa)
1250	m = buildings(nb)%m_h(fa)
1251	!
1252	!-- Determine building height level index.
1253	kk = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
1254	!
1255	!-- Building geometries --> not time-dependent
1256	facade_element_area = dx * dy !< [m2] surface area per facade element
1257	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
1258	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
1259	buildings(nb)%area_facade = facade_element_area * &
1260	( buildings(nb)%num_facades_per_building_h + &
1261	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
1262	window_area_per_facade = surf_usm_h(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per facade
1263	!< element
1264
1265	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
1266	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
1267	!< pointing to zone Eq. (9) according to section 7.2.2.2
1268	a_m = buildings(nb)%factor_a * total_area * &
1269	( facade_element_area / buildings(nb)%area_facade ) * &
1270	buildings(nb)%lambda_at !< [m2] standard values
1271	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1272	c_m = buildings(nb)%factor_c * total_area * &
1273	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
1274	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1275	!
1276	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1277	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
1278
1279	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
1280	!< (m2 K) between surface and air, Eq. (9)
1281	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
1282	!< (m2 K) between component and surface, Eq. (64)
1283	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
1284	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
1285	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
1286	h_t_wm = 1.0_wp / ( 1.0_wp / h_t_wall - 1.0_wp / h_t_ms ) !< [W/K] emmision Eq. (63),
1287	!< Section 12.2.2
1288	!
1289	!-- Internal air loads dependent on the occupacy of the room.
1290	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int).
1291	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1292	* floor_area_per_facade )
1293	q_int = phi_ia / total_area
1294	!
1295	!-- Airflow dependent on the occupacy of the room.
1296	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
1297	air_change = ( buildings(nb)%air_change_high * schedule_d + buildings(nb)%air_change_low ) !< [1/h]?
1298	!
1299	!-- Heat transfer of ventilation.
1300	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
1301	!-- capacity of air 0.33 Wh/m2K.
1302	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1303	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
1304
1305	!-- Heat transfer coefficient auxiliary variables
1306	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
1307	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
1308	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
1309	!
1310	!-- Net short-wave radiation through window area (was i_global)
1311	net_sw_in = surf_usm_h(l)%rad_sw_in(m) - surf_usm_h(l)%rad_sw_out(m)
1312	!
1313	!-- Quantities needed for im_calc_temperatures
1314	i = surf_usm_h(l)%i(m)
1315	j = surf_usm_h(l)%j(m)
1316	k = surf_usm_h(l)%k(m)
1317	near_facade_temperature = surf_usm_h(l)%pt_10cm(m)
1318	indoor_wall_window_temperature = &
1319	surf_usm_h(l)%frac(m,ind_veg_wall) * t_wall_h(l)%val(nzt_wall,m) &
1320	+ surf_usm_h(l)%frac(m,ind_wat_win) * t_window_h(l)%val(nzt_wall,m)
1321	!
1322	!-- Solar thermal gains. If net_sw_in larger than sun-protection threshold parameter
1323	!-- (params_solar_protection), sun protection will be activated.
1324	IF ( net_sw_in <= params_solar_protection ) THEN
1325	solar_protection_off = 1
1326	solar_protection_on = 0
1327	ELSE
1328	solar_protection_off = 0
1329	solar_protection_on = 1
1330	ENDIF
1331	!
1332	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
1333	!-- automatic sun protection.
1334	!-- DIN 4108 - 2 chap.8
1335	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1336	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
1337	solar_protection_on ) &
1338	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
1339	q_sol = phi_sol
1340	!
1341	!-- Calculation of the mass specific thermal load for internal and external heatsources of
1342	!-- the inner node.
1343	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with
1344	!< phi_ia=0,5*phi_int
1345	q_c_m = phi_m
1346	!
1347	!-- Calculation mass specific thermal load implied non thermal mass
1348	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
1349	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
1350	!< phi_ia=0,5*phi_int
1351	q_c_st = phi_st
1352	!
1353	!-- Calculations for deriving indoor temperature and heat flux into the wall
1354	!-- Step 1: indoor temperature without heating and cooling
1355	!-- section C.4.1 Picture C.2 zone 3)
1356	phi_hc_nd = 0.0_wp
1357
1358	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1359	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1360	!
1361	!-- If air temperature between border temperatures of heating and cooling, assign output
1362	!-- variable, then ready.
1363	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
1364	theta_air <= buildings(nb)%theta_int_c_set ) THEN
1365	phi_hc_nd_ac = 0.0_wp
1366	phi_hc_nd = phi_hc_nd_ac
1367	theta_air_ac = theta_air
1368	!
1369	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1370	!-- again.
1371	ELSE
1372	!
1373	!-- Temperature not correct, calculation method according to section C4.2
1374	theta_air_0 = theta_air !< temperature without heating/cooling
1375	!
1376	!-- Heating or cooling?
1377	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
1378	theta_air_set = buildings(nb)%theta_int_c_set
1379	ELSE
1380	theta_air_set = buildings(nb)%theta_int_h_set
1381	ENDIF
1382	!
1383	!-- Calculate the temperature with phi_hc_nd_10
1384	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1385	phi_hc_nd = phi_hc_nd_10
1386
1387	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1388	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1389	theta_air_10 = theta_air !< temperature with 10 W/m2 of heating
1390	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
1391	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
1392	!
1393	!-- Step 3: with temperature ratio to determine the heating or cooling capacity.
1394	!-- If necessary, limit the power to maximum power.
1395	!-- section C.4.1 Picture C.2 zone 2) and 4)
1396	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
1397	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
1398	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
1399	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1400	phi_hc_nd_ac = phi_hc_nd_un
1401	phi_hc_nd = phi_hc_nd_un
1402	ELSE
1403	!
1404	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
1405	!-- (phi_hc_nd_un negative)
1406	!-- section C.4.1 Picture C.2 zone 1) and 5)
1407	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1408	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1409	ELSE
1410	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1411	ENDIF
1412	ENDIF
1413	phi_hc_nd = phi_hc_nd_ac
1414	!
1415	!-- Calculate the temperature with phi_hc_nd_ac (new)
1416	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1417	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1418	theta_air_ac = theta_air
1419	ENDIF
1420	!
1421	!-- Update theta_m_t_prev
1422	buildings(nb)%theta_m_t_prev_h(fa) = theta_m_t
1423
1424
1425	q_vent = h_v * ( theta_air - near_facade_temperature )
1426	!
1427	!-- Calculate the operating temperature with weighted mean temperature of air and mean
1428	!-- solar temperature.
1429	!-- Will be used for thermal comfort calculations.
1430	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s !< [degree_C] operative Temperature Eq. (C.12)
1431
1432	! surf_usm_h(l)%t_indoor(m) = theta_op !< not integrated now
1433	!
1434	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1435	!-- calculate heat transfer through wall layers towards the facade
1436	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
1437	q_wall_win = h_t_ms * ( theta_s - theta_m ) &
1438	/ ( facade_element_area - window_area_per_facade )
1439	q_trans = q_wall_win * facade_element_area
1440	!
1441	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
1442	surf_usm_h(l)%iwghf_eb(m) = q_wall_win
1443	surf_usm_h(l)%iwghf_eb_window(m) = q_wall_win
1444	!
1445	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
1446	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
1447	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1448	!
1449	!-- Calculation of waste heat.
1450	!-- Anthropogenic heat output.
1451	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1452	heating_on = 1
1453	cooling_on = 0
1454	ELSE
1455	heating_on = 0
1456	cooling_on = -1
1457	ENDIF
1458
1459	q_waste_heat = ( phi_hc_nd * ( &
1460	buildings(nb)%params_waste_heat_h * heating_on + &
1461	buildings(nb)%params_waste_heat_c * cooling_on ) &
1462	) / facade_element_area !< [W/m2] , observe the directional
1463	!< convention in PALM!
1464	surf_usm_h(l)%waste_heat(m) = 0.0_wp !q_waste_heat
1465	ENDDO !< Horizontal surfaces loop
1466	!
1467	!-- Vertical surfaces
1468	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
1469	!
1470	!-- Determine indices where corresponding surface-type information is stored.
1471	l = buildings(nb)%l_v(fa)
1472	m = buildings(nb)%m_v(fa)
1473	!
1474	!-- Determine building height level index.
1475	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
1476	!
1477	!-- (SOME OF THE FOLLOWING (not time-dependent) COULD PROBABLY GO INTO A FUNCTION
1478	!-- EXCEPT facade_element_area, EVERYTHING IS CALCULATED EQUALLY)
1479	!-- Building geometries --> not time-dependent
1480	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk+1) !< [m2] surface area per facade element
1481	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk+1) !< [m2] surface area per facade element
1482
1483	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
1484	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
1485	buildings(nb)%area_facade = facade_element_area * &
1486	( buildings(nb)%num_facades_per_building_h + &
1487	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
1488	window_area_per_facade = surf_usm_v(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per
1489	!< facade element
1490
1491	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
1492	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
1493	!< pointing to zone Eq. (9) according to section 7.2.2.2
1494	a_m = buildings(nb)%factor_a * total_area * &
1495	( facade_element_area / buildings(nb)%area_facade ) * &
1496	buildings(nb)%lambda_at !< [m2] standard values
1497	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1498	c_m = buildings(nb)%factor_c * total_area * &
1499	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
1500	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1501	!
1502	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1503	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
1504
1505	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
1506	!< (m2 K) between surface and air, Eq. (9)
1507	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
1508	!< (m2 K) between component and surface, Eq. (64)
1509	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
1510	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
1511	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
1512	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
1513	!
1514	!-- Internal air loads dependent on the occupacy of the room.
1515	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy
1516	!-- (qint_high) (0,5*phi_int)
1517	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1518	* floor_area_per_facade )
1519	q_int = phi_ia
1520
1521	!
1522	!-- Airflow dependent on the occupacy of the room.
1523	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy
1524	!-- (air_change_high)
1525	air_change = ( buildings(nb)%air_change_high * schedule_d + &
1526	buildings(nb)%air_change_low )
1527	!
1528	!-- Heat transfer of ventilation.
1529	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
1530	!-- capacity of air 0.33 Wh/m2K
1531	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1532	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789
1533	!< Eq.(10)
1534
1535	!-- Heat transfer coefficient auxiliary variables
1536	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
1537	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
1538	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
1539	!
1540	!-- Net short-wave radiation through window area (was i_global)
1541	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
1542	!
1543	!-- Quantities needed for im_calc_temperatures
1544	i = surf_usm_v(l)%i(m)
1545	j = surf_usm_v(l)%j(m)
1546	k = surf_usm_v(l)%k(m)
1547	near_facade_temperature = surf_usm_v(l)%pt_10cm(m)
1548	indoor_wall_window_temperature = &
1549	surf_usm_v(l)%frac(m,ind_veg_wall) * t_wall_v(l)%val(nzt_wall,m) &
1550	+ surf_usm_v(l)%frac(m,ind_wat_win) * t_window_v(l)%val(nzt_wall,m)
1551
1552	!
1553	!-- Solar thermal gains. If net_sw_in larger than sun-protection
1554	!-- threshold parameter (params_solar_protection), sun protection will
1555	!-- be activated
1556	IF ( net_sw_in <= params_solar_protection ) THEN
1557	solar_protection_off = 1
1558	solar_protection_on = 0
1559	ELSE
1560	solar_protection_off = 0
1561	solar_protection_on = 1
1562	ENDIF
1563	!
1564	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
1565	!-- automatic sun protection.
1566	!-- DIN 4108 - 2 chap.8
1567	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1568	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
1569	solar_protection_on ) &
1570	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
1571	q_sol = phi_sol
1572	!
1573	!-- Calculation of the mass specific thermal load for internal and external heatsources.
1574	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
1575	q_c_m = phi_m
1576	!
1577	!-- Calculation mass specific thermal load implied non thermal mass.
1578	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
1579	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
1580	!< phi_ia=0,5*phi_int
1581	q_c_st = phi_st
1582	!
1583	!-- Calculations for deriving indoor temperature and heat flux into the wall.
1584	!-- Step 1: indoor temperature without heating and cooling.
1585	!-- section C.4.1 Picture C.2 zone 3)
1586	phi_hc_nd = 0.0_wp
1587	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1588	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1589	!
1590	!-- If air temperature between border temperatures of heating and cooling, assign output
1591	!-- variable, then ready.
1592	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
1593	theta_air <= buildings(nb)%theta_int_c_set ) THEN
1594	phi_hc_nd_ac = 0.0_wp
1595	phi_hc_nd = phi_hc_nd_ac
1596	theta_air_ac = theta_air
1597	!
1598	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1599	!-- again.
1600	ELSE
1601	!
1602	!-- Temperature not correct, calculation method according to section C4.2
1603	theta_air_0 = theta_air !< Note temperature without heating/cooling
1604	!
1605	!-- Heating or cooling?
1606	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
1607	theta_air_set = buildings(nb)%theta_int_c_set
1608	ELSE
1609	theta_air_set = buildings(nb)%theta_int_h_set
1610	ENDIF
1611
1612	!-- Calculate the temperature with phi_hc_nd_10
1613	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1614	phi_hc_nd = phi_hc_nd_10
1615
1616	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1617	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1618
1619	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
1620
1621	phi_hc_nd_un = phi_hc_nd_10 * ( theta_air_set - theta_air_0 ) &
1622	/ ( theta_air_10 - theta_air_0 ) !< Eq. (C.13)
1623	!
1624	!-- Step 3: with temperature ratio to determine the heating or cooling capacity
1625	!-- If necessary, limit the power to maximum power.
1626	!-- section C.4.1 Picture C.2 zone 2) and 4)
1627	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
1628	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
1629	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
1630	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1631	phi_hc_nd_ac = phi_hc_nd_un
1632	phi_hc_nd = phi_hc_nd_un
1633	ELSE
1634	!
1635	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
1636	!-- (phi_hc_nd_un negative)
1637	!-- section C.4.1 Picture C.2 zone 1) and 5)
1638	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1639	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1640	ELSE
1641	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1642	ENDIF
1643	ENDIF
1644	phi_hc_nd = phi_hc_nd_ac
1645	!
1646	!-- Calculate the temperature with phi_hc_nd_ac (new)
1647	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1648	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1649	theta_air_ac = theta_air
1650	ENDIF
1651	!
1652	!-- Update theta_m_t_prev
1653	buildings(nb)%theta_m_t_prev_v(fa) = theta_m_t
1654
1655
1656	q_vent = h_v * ( theta_air - near_facade_temperature )
1657	!
1658	!-- Calculate the operating temperature with weighted mean of temperature of air and mean.
1659	!-- Will be used for thermal comfort calculations.
1660	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s
1661
1662	! surf_usm_v(l)%t_indoor(m) = theta_op !< not integrated yet
1663	!
1664	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1665	!-- calculate heat transfer through wall layers towards the facade
1666	q_wall_win = h_t_ms * ( theta_s - theta_m ) &
1667	/ ( facade_element_area - window_area_per_facade )
1668	q_trans = q_wall_win * facade_element_area
1669	!
1670	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
1671	surf_usm_v(l)%iwghf_eb(m) = q_wall_win
1672	surf_usm_v(l)%iwghf_eb_window(m) = q_wall_win
1673	!
1674	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
1675	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
1676	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1677	!
1678	!-- Calculation of waste heat.
1679	!-- Anthropogenic heat output.
1680	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1681	heating_on = 1
1682	cooling_on = 0
1683	ELSE
1684	heating_on = 0
1685	cooling_on = -1
1686	ENDIF
1687
1688	q_waste_heat = ( phi_hc_nd * ( buildings(nb)%params_waste_heat_h * heating_on + &
1689	buildings(nb)%params_waste_heat_c * cooling_on ) &
1690	) / facade_element_area !< [W/m2] , observe the directional convention in
1691	!< PALM!
1692	surf_usm_v(l)%waste_heat(m) = 0.0_wp !q_waste_heat
1693	ENDDO !< Vertical surfaces loop
1694	ENDIF !< buildings(nb)%on_pe
1695	ENDDO !< buildings loop
1696
1697	!
1698	!-- Determine the mean building temperature.
1699	DO nb = 1, num_build
1700	!
1701	!-- Allocate dummy array used for summing-up facade elements.
1702	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
1703	!-- allocated on all PEs.
1704	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1705	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1706	t_in_l_send = 0.0_wp
1707	t_in_recv = 0.0_wp
1708
1709	IF ( buildings(nb)%on_pe ) THEN
1710	t_in_l_send = buildings(nb)%t_in_l
1711	ENDIF
1712
1713
1714	#if defined( __parallel )
1715	CALL MPI_ALLREDUCE( t_in_l_send, &
1716	t_in_recv, &
1717	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
1718	MPI_REAL, &
1719	MPI_SUM, &
1720	comm2d, &
1721	ierr )
1722
1723	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = t_in_recv
1724	#else
1725	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = buildings(nb)%t_in_l
1726	#endif
1727
1728	IF ( ALLOCATED( buildings(nb)%t_in ) ) THEN
1729	!
1730	!-- Average indoor temperature. Note, in case a building is completely surrounded by higher
1731	!-- buildings, it may have no facade elements at some height levels, which will lead to a
1732	!-- division by zero.
1733	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
1734	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) > 0 ) THEN
1735	buildings(nb)%t_in(k) = buildings(nb)%t_in(k) / &
1736	REAL( buildings(nb)%num_facade_h(k) + &
1737	buildings(nb)%num_facade_v(k), KIND = wp )
1738	ENDIF
1739	ENDDO
1740	!
1741	!-- If indoor temperature is not defined because of missing facade elements, the values from
1742	!-- the above-lying level will be taken.
1743	!-- At least at the top of the buildings facades are defined, so that at least there an indoor
1744	!-- temperature is defined. This information will propagate downwards the building.
1745	DO k = buildings(nb)%kb_max-1, buildings(nb)%kb_min, -1
1746	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) <= 0 ) THEN
1747	buildings(nb)%t_in(k) = buildings(nb)%t_in(k+1)
1748	ENDIF
1749	ENDDO
1750	ENDIF
1751
1752
1753	!
1754	!-- Deallocate dummy arrays
1755	DEALLOCATE( t_in_l_send )
1756	DEALLOCATE( t_in_recv )
1757
1758	ENDDO
1759
1760	END SUBROUTINE im_main_heatcool
1761
1762
1763	!--------------------------------------------------------------------------------------------------!
1764	! Description:
1765	!-------------
1766	!> Check data output for plant canopy model
1767	!--------------------------------------------------------------------------------------------------!
1768	SUBROUTINE im_check_data_output( var, unit )
1769
1770	CHARACTER (LEN=*) :: unit !<
1771	CHARACTER (LEN=*) :: var !<
1772
1773	SELECT CASE ( TRIM( var ) )
1774
1775
1776	CASE ( 'im_hf_roof')
1777	unit = 'W m-2'
1778
1779	CASE ( 'im_hf_wall_win' )
1780	unit = 'W m-2'
1781
1782	CASE ( 'im_hf_wall_win_waste' )
1783	unit = 'W m-2'
1784
1785	CASE ( 'im_hf_roof_waste' )
1786	unit = 'W m-2'
1787
1788	CASE ( 'im_t_indoor_mean' )
1789	unit = 'K'
1790
1791	CASE ( 'im_t_indoor_roof' )
1792	unit = 'K'
1793
1794	CASE ( 'im_t_indoor_wall_win' )
1795	unit = 'K'
1796
1797	CASE DEFAULT
1798	unit = 'illegal'
1799
1800	END SELECT
1801
1802	END SUBROUTINE
1803
1804
1805	!--------------------------------------------------------------------------------------------------!
1806	! Description:
1807	!-------------
1808	!> Check parameters routine for plant canopy model
1809	!--------------------------------------------------------------------------------------------------!
1810	SUBROUTINE im_check_parameters
1811
1812	! USE control_parameters,
1813	! ONLY: message_string
1814
1815	END SUBROUTINE im_check_parameters
1816
1817
1818	!--------------------------------------------------------------------------------------------------!
1819	! Description:
1820	!-------------
1821	!> Subroutine defining appropriate grid for netcdf variables.
1822	!> It is called from subroutine netcdf.
1823	!--------------------------------------------------------------------------------------------------!
1824	SUBROUTINE im_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
1825
1826	CHARACTER (LEN=*), INTENT(OUT) :: grid_x
1827	CHARACTER (LEN=*), INTENT(OUT) :: grid_y
1828	CHARACTER (LEN=*), INTENT(OUT) :: grid_z
1829	CHARACTER (LEN=*), INTENT(IN) :: var
1830
1831	LOGICAL, INTENT(OUT) :: found
1832
1833
1834	found = .TRUE.
1835	!
1836	!-- Check for the grid
1837	SELECT CASE ( TRIM( var ) )
1838
1839	CASE ( 'im_hf_roof', 'im_hf_roof_waste' )
1840	grid_x = 'x'
1841	grid_y = 'y'
1842	grid_z = 'zw'
1843	!
1844	!-- Heat fluxes at vertical walls are actually defined on stagged grid, i.e. xu, yv.
1845	CASE ( 'im_hf_wall_win', 'im_hf_wall_win_waste' )
1846	grid_x = 'x'
1847	grid_y = 'y'
1848	grid_z = 'zu'
1849
1850	CASE ( 'im_t_indoor_mean', 'im_t_indoor_roof', 'im_t_indoor_wall_win')
1851	grid_x = 'x'
1852	grid_y = 'y'
1853	grid_z = 'zw'
1854
1855	CASE DEFAULT
1856	found = .FALSE.
1857	grid_x = 'none'
1858	grid_y = 'none'
1859	grid_z = 'none'
1860	END SELECT
1861
1862	END SUBROUTINE im_define_netcdf_grid
1863
1864
1865	!--------------------------------------------------------------------------------------------------!
1866	! Description:
1867	! ------------
1868	!> Subroutine defining 3D output variables
1869	!--------------------------------------------------------------------------------------------------!
1870	SUBROUTINE im_data_output_3d( av, variable, found, local_pf, fill_value, nzb_do, nzt_do )
1871
1872	USE indices
1873
1874	USE kinds
1875
1876	CHARACTER (LEN=*) :: variable !<
1877
1878	INTEGER(iwp) :: av !<
1879	INTEGER(iwp) :: i !<
1880	INTEGER(iwp) :: j !<
1881	INTEGER(iwp) :: k !<
1882	INTEGER(iwp) :: l !<
1883	INTEGER(iwp) :: m !<
1884	INTEGER(iwp) :: nb !< index of the building in the building data structure
1885	INTEGER(iwp) :: nzb_do !< lower limit of the data output (usually 0)
1886	INTEGER(iwp) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d)
1887
1888	LOGICAL :: found !<
1889
1890	REAL(wp), INTENT(IN) :: fill_value !< value for the _FillValue attribute
1891
1892	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !<
1893
1894	local_pf = fill_value
1895
1896	found = .TRUE.
1897
1898	SELECT CASE ( TRIM( variable ) )
1899	!
1900	!-- Output of indoor temperature. All grid points within the building are filled with values,
1901	!-- while atmospheric grid points are set to _FillValues.
1902	CASE ( 'im_t_indoor_mean' )
1903	IF ( av == 0 ) THEN
1904	DO i = nxl, nxr
1905	DO j = nys, nyn
1906	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
1907	!
1908	!-- Determine index of the building within the building data structure.
1909	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1910	IF ( buildings(nb)%on_pe ) THEN
1911	!
1912	!-- Write mean building temperature onto output array. Please note, in
1913	!-- contrast to many other loops in the output, the vertical bounds are
1914	!-- determined by the lowest and hightest vertical index occupied by the
1915	!-- building.
1916	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
1917	local_pf(i,j,k) = buildings(nb)%t_in(k)
1918	ENDDO
1919	ENDIF
1920	ENDIF
1921	ENDDO
1922	ENDDO
1923	ENDIF
1924
1925	CASE ( 'im_hf_roof' )
1926	IF ( av == 0 ) THEN
1927	DO m = 1, surf_usm_h(0)%ns
1928	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
1929	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
1930	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
1931	local_pf(i,j,k) = surf_usm_h(0)%iwghf_eb(m)
1932	ENDDO
1933	ENDIF
1934
1935	CASE ( 'im_hf_roof_waste' )
1936	IF ( av == 0 ) THEN
1937	DO m = 1, surf_usm_h(0)%ns
1938	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
1939	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
1940	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
1941	local_pf(i,j,k) = surf_usm_h(0)%waste_heat(m)
1942	ENDDO
1943	ENDIF
1944
1945	CASE ( 'im_hf_wall_win' )
1946	IF ( av == 0 ) THEN
1947	DO l = 0, 3
1948	DO m = 1, surf_usm_v(l)%ns
1949	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
1950	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
1951	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
1952	local_pf(i,j,k) = surf_usm_v(l)%iwghf_eb(m)
1953	ENDDO
1954	ENDDO
1955	ENDIF
1956
1957	CASE ( 'im_hf_wall_win_waste' )
1958	IF ( av == 0 ) THEN
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)%waste_heat(m)
1965	ENDDO
1966	ENDDO
1967	ENDIF
1968
1969	!
1970	!< NOTE im_t_indoor_roof and im_t_indoor_wall_win not work yet
1971
1972	! CASE ( 'im_t_indoor_roof' )
1973	! IF ( av == 0 ) THEN
1974	! DO m = 1, surf_usm_h%ns
1975	! i = surf_usm_h%i(m) !+ surf_usm_h%ioff
1976	! j = surf_usm_h%j(m) !+ surf_usm_h%joff
1977	! k = surf_usm_h%k(m) !+ surf_usm_h%koff
1978	! local_pf(i,j,k) = surf_usm_h%t_indoor(m)
1979	! ENDDO
1980	! ENDIF
1981	!
1982	! CASE ( 'im_t_indoor_wall_win' )
1983	! IF ( av == 0 ) THEN
1984	! DO l = 0, 3
1985	! DO m = 1, surf_usm_v(l)%ns
1986	! i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
1987	! j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
1988	! k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
1989	! local_pf(i,j,k) = surf_usm_v(l)%t_indoor(m)
1990	! ENDDO
1991	! ENDDO
1992	! ENDIF
1993
1994	CASE DEFAULT
1995	found = .FALSE.
1996
1997	END SELECT
1998
1999	END SUBROUTINE im_data_output_3d
2000
2001
2002	!--------------------------------------------------------------------------------------------------!
2003	! Description:
2004	! ------------
2005	!> Parin for &indoor_parameters for indoor model
2006	!--------------------------------------------------------------------------------------------------!
2007	SUBROUTINE im_parin
2008
2009	USE control_parameters, &
2010	ONLY: indoor_model
2011
2012
2013	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
2014
2015	NAMELIST /indoor_parameters/ initial_indoor_temperature
2016
2017
2018	!
2019	!-- Try to find indoor model package
2020	REWIND ( 11 )
2021	line = ' '
2022	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
2023	READ ( 11, '(A)', END=10 ) line
2024	ENDDO
2025	BACKSPACE ( 11 )
2026
2027	!
2028	!-- Read user-defined namelist
2029	READ ( 11, indoor_parameters )
2030	!
2031	!-- Set flag that indicates that the indoor model is switched on
2032	indoor_model = .TRUE.
2033
2034	!
2035	!-- Activate spinup (maybe later
2036	! IF ( spinup_time > 0.0_wp ) THEN
2037	! coupling_start_time = spinup_time
2038	! end_time = end_time + spinup_time
2039	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
2040	! spinup_pt_mean = pt_surface
2041	! ENDIF
2042	! spinup = .TRUE.
2043	! ENDIF
2044
2045	10 CONTINUE
2046
2047	END SUBROUTINE im_parin
2048
2049
2050	END MODULE indoor_model_mod

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