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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 4722

Last change on this file since 4722 was 4709, checked in by maronga, 4 years ago
reactivated release of waste heat and additional fix in indoor model
Property svn:keywords set to `Id`
File size: 106.6 KB

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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 4709 2020-09-28 19:20:00Z suehring $
27	! Bugfix: avoid division by zero in case of zero window fraction (now also for vertical walls).
28	! Reactivated waste heat.
29	!
30	! 4704 2020-09-28 10:13:03Z maronga
31	! Bugfix: avoid division by zero in case of zero window fraction
32	!
33	! 4702 2020-09-27 18:39:00Z maronga
34	! Removed unused variable indoor_wall_window_temperature
35	!
36	! 4701 2020-09-27 11:02:15Z maronga
37	! Heat transfer for wall and windows back to USM separated into q_wall and q_win (instead q_wall_win).
38	! Heat flow direction revised (heat flow positive from outside to inside).
39	! New variable indoor_wall_temperature (for q_wall).
40	! Removed unused quantity q_trans.
41	!
42	! 4698 2020-09-25 08:37:55Z maronga
43	! Fixed faulty characters
44	!
45	! 4687 2020-09-21 19:40:16Z maronga
46	! Bugfix: values of theta_m_t_prev were not stored for individual surfaces and thus re-used by all
47	! surfaces and buildings, which led to excessive indoor temperatures
48	!
49	! 4681 2020-09-16 10:23:06Z pavelkrc
50	! Bugfix for implementation of downward surfaces
51	!
52	! 4671 2020-09-09 20:27:58Z pavelkrc
53	! Implementation of downward facing USM and LSM surfaces
54	!
55	! 4646 2020-08-24 16:02:40Z raasch
56	! file re-formatted to follow the PALM coding standard
57	!
58	! 4481 2020-03-31 18:55:54Z maronga
59	! Change order of dimension in surface array %frac to allow for better vectorization.
60	!
61	! 4441 2020-03-04 19:20:35Z suehring
62	! Major bugfix in calculation of energy demand - floor-area-per-facade was wrongly calculated
63	! leading to unrealistically high energy demands and thus to unreallistically high waste-heat
64	! fluxes.
65	!
66	! 4346 2019-12-18 11:55:56Z motisi
67	! Introduction of wall_flags_total_0, which currently sets bits based on static topography
68	! information used in wall_flags_static_0
69	!
70	! 4329 2019-12-10 15:46:36Z motisi
71	! Renamed wall_flags_0 to wall_flags_static_0
72	!
73	! 4310 2019-11-26 19:01:28Z suehring
74	! Remove dt_indoor from namelist input. The indoor model is an hourly-based model, calling it
75	! more/less often lead to inaccurate results.
76	!
77	! 4299 2019-11-22 10:13:38Z suehring
78	! Output of indoor temperature revised (to avoid non-defined values within buildings)
79	!
80	! 4267 2019-10-16 18:58:49Z suehring
81	! Bugfix in initialization, some indices to access building_pars where wrong.
82	! Introduction of seasonal parameters.
83	!
84	! 4246 2019-09-30 09:27:52Z pavelkrc
85	!
86	!
87	! 4242 2019-09-27 12:59:10Z suehring
88	! Bugfix in array index
89	!
90	! 4238 2019-09-25 16:06:01Z suehring
91	! - Bugfix in determination of minimum facade height and in location message
92	! - Bugfix, avoid division by zero
93	! - Some optimization
94	!
95	! 4227 2019-09-10 18:04:34Z gronemeier
96	! implement new palm_date_time_mod
97	!
98	! 4217 2019-09-04 09:47:05Z scharf
99	! Corrected "Former revisions" section
100	!
101	! 4209 2019-09-02 12:00:03Z suehring
102	! - Bugfix in initialization of indoor temperature
103	! - Prescibe default indoor temperature in case it is not given in the namelist input
104	!
105	! 4182 2019-08-21 14:37:54Z scharf
106	! Corrected "Former revisions" section
107	!
108	! 4148 2019-08-08 11:26:00Z suehring
109	! Bugfix in case of non grid-resolved buildings. Further, vertical grid spacing is now considered at
110	! the correct level.
111	! - change calculation of a_m and c_m
112	! - change calculation of u-values (use h_es in building array)
113	! - rename h_tr_... to h_t_...
114	! h_tr_em to h_t_wm
115	! h_tr_op to h_t_wall
116	! h_tr_w to h_t_es
117	! - rename h_ve to h_v
118	! - rename h_is to h_ms
119	! - inserted net_floor_area
120	! - inserted params_waste_heat_h, params_waste_heat_c from building database
121	! in building array
122	! - change calculation of q_waste_heat
123	! - bugfix in averaging mean indoor temperature
124	!
125	! 3759 2019-02-21 15:53:45Z suehring
126	! - Calculation of total building volume
127	! - Several bugfixes
128	! - Calculation of building height revised
129	!
130	! 3745 2019-02-15 18:57:56Z suehring
131	! - remove building_type from module
132	! - initialize parameters for each building individually instead of a bulk initializaion with
133	! identical building type for all
134	! - output revised
135	! - add missing _wp
136	! - some restructuring of variables in building data structure
137	!
138	! 3744 2019-02-15 18:38:58Z suehring
139	! Some interface calls moved to module_interface + cleanup
140	!
141	! 3469 2018-10-30 20:05:07Z kanani
142	! Initial revision (tlang, suehring, kanani, srissman)!
143	!
144	! Authors:
145	! --------
146	! @author Tobias Lang
147	! @author Jens Pfafferott
148	! @author Farah Kanani-Suehring
149	! @author Matthias Suehring
150	! @author Sascha Rissmann
151	! @author Bjoern Maronga
152	!
153	!
154	! Description:
155	! ------------
156	!> Module for Indoor Climate Model (ICM)
157	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
158	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
159	!> This module differs between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine
160	!> thermal comfort
161	!> the heat transfer between indoor and outdoor is simplified
162
163	!> @todo Many statement comments that are given as doxygen comments need to be changed to normal comments
164	!> @todo Replace window_area_per_facade by %frac(1,m) for window
165	!> @todo emissivity change for window blinds if solar_protection_on=1
166
167	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
168	!> @note How to write indoor temperature output to pt array?
169	!>
170	!> @bug Calculation of iwghf_eb and iwghf_eb_window is faulty
171	!--------------------------------------------------------------------------------------------------!
172	MODULE indoor_model_mod
173
174	USE arrays_3d, &
175	ONLY: ddzw, &
176	dzw, &
177	pt
178
179	USE control_parameters, &
180	ONLY: initializing_actions
181
182	USE kinds
183
184	USE netcdf_data_input_mod, &
185	ONLY: building_id_f, building_type_f
186
187	USE palm_date_time_mod, &
188	ONLY: get_date_time, northward_equinox, seconds_per_hour, southward_equinox
189
190	USE surface_mod, &
191	ONLY: surf_usm_h, surf_usm_v
192
193
194	IMPLICIT NONE
195
196	!
197	!-- Define data structure for buidlings.
198	TYPE build
199
200	INTEGER(iwp) :: id !< building ID
201	INTEGER(iwp) :: kb_max !< highest vertical index of a building
202	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
203	INTEGER(iwp) :: num_facades_per_building_h = 0 !< total number of horizontal facades elements
204	INTEGER(iwp) :: num_facades_per_building_h_l = 0 !< number of horizontal facade elements on local subdomain
205	INTEGER(iwp) :: num_facades_per_building_v = 0 !< total number of vertical facades elements
206	INTEGER(iwp) :: num_facades_per_building_v_l = 0 !< number of vertical facade elements on local subdomain
207	INTEGER(iwp) :: ventilation_int_loads !< [-] allocation of activity in the building
208
209	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_h !< index array linking surface-element orientation index
210	!< for horizontal surfaces with building
211	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
212	!< for vertical surfaces with building
213	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
214	!< horizontal surfaces with building
215	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
216	!< vertical surfaces with building
217	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
218	!< and height level
219	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
220	!< and height level
221
222
223	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
224
225	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
226	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
227	REAL(wp) :: area_facade !< [m2] area of total facade
228	REAL(wp) :: building_height !< building height
229	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
230	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5
231	!< (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
232	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000
233	!< (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
234	REAL(wp) :: f_c_win !< [-] shading factor
235	REAL(wp) :: fapf !< [m2/m2] floor area per facade
236	REAL(wp) :: g_value_win !< [-] SHGC factor
237	REAL(wp) :: h_es !< [W/(m2 K)] surface-related heat transfer coefficient between extern and surface
238	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
239	REAL(wp) :: height_storey !< [m] storey heigth
240	REAL(wp) :: params_waste_heat_c !< [-] anthropogenic heat outputs for cooling e.g. 1.33 for KKM with COP = 3
241	REAL(wp) :: params_waste_heat_h !< [-] anthropogenic heat outputs for heating e.g. 1 - 0.9 = 0.1 for combustion with
242	!< eta = 0.9 or -2 for WP with COP = 3
243	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
244	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (positive)
245	REAL(wp) :: q_c_max !< [W/m2] Max. Cooling heat flux per netto floor area (negative)
246	REAL(wp) :: q_h_max !< [W/m2] Max. Heating heat flux per netto floor area (positive)
247	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
248	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
249	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
250	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
251	REAL(wp) :: net_floor_area !< [m2] netto ground area
252	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
253	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
254	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
255	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
256	REAL(wp) :: vol_tot !< [m3] total building volume
257
258	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
259	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
260	REAL(wp), DIMENSION(:), ALLOCATABLE :: theta_m_t_prev_h !< [degree_C] value of theta_m_t from previous time step (horizontal)
261	REAL(wp), DIMENSION(:), ALLOCATABLE :: theta_m_t_prev_v !< [degree_C] value of theta_m_t from previous time step (vertical)
262	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
263	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
264	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
265
266	END TYPE build
267
268	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
269
270	INTEGER(iwp) :: num_build !< total number of buildings in domain
271	!
272	!-- Declare all global variables within the module
273
274	REAL(wp), PARAMETER :: dt_indoor = 3600.0_wp !< [s] time interval for indoor-model application, fixed to
275	!< 3600.0 due to model requirements
276	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
277	!< surface and air (chap. 7.2.2.2)
278	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
279	!< component and surface (chap. 12.2.2)
280	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly
281	!< cooling 2.0_wp
282	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall
283	!< DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
284	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus
285	!< Datenbank 27 window_area_per_facade_percent
286	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation
287	!< on facade exceeds this value
288
289	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
290	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
291	INTEGER(iwp) :: solar_protection_off !< Solar protection off
292	INTEGER(iwp) :: solar_protection_on !< Solar protection on
293
294
295	REAL(wp) :: a_m !< [m2] the effective mass-related area
296	REAL(wp) :: air_change !< [1/h] Airflow
297	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
298	REAL(wp) :: facade_element_area !< [m2_facade] building surface facade
299	REAL(wp) :: floor_area_per_facade !< [m2/m2] floor area per facade area
300	REAL(wp) :: h_t_1 !< [W/K] Heat transfer coefficient auxiliary variable 1
301	REAL(wp) :: h_t_2 !< [W/K] Heat transfer coefficient auxiliary variable 2
302	REAL(wp) :: h_t_3 !< [W/K] Heat transfer coefficient auxiliary variable 3
303	REAL(wp) :: h_t_es !< [W/K] heat transfer coefficient of doors, windows, curtain walls and
304	!< glazed walls (assumption: thermal mass=0)
305	REAL(wp) :: h_t_is !< [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
306	REAL(wp) :: h_t_ms !< [W/K] Heat transfer conductance term (got with h_t_wm the thermal mass)
307	REAL(wp) :: h_t_wall !< [W/K] heat transfer coefficient of opaque components (assumption: got all
308	!< thermal mass) contains of h_t_wm and h_t_ms
309	REAL(wp) :: h_t_wm !< [W/K] Heat transfer coefficient of the emmision (got with h_t_ms the
310	!< thermal mass)
311	REAL(wp) :: h_v !< [W/K] heat transfer of ventilation
312	REAL(wp) :: indoor_volume_per_facade !< [m3] indoor air volume per facade element
313	REAL(wp) :: initial_indoor_temperature = 293.15 !< [K] initial indoor temperature (namelist parameter)
314	REAL(wp) :: net_sw_in !< [W/m2] net short-wave radiation
315	REAL(wp) :: phi_hc_nd !< [W] heating demand and/or cooling demand
316	REAL(wp) :: phi_hc_nd_10 !< [W] heating demand and/or cooling demand for heating or cooling
317	REAL(wp) :: phi_hc_nd_ac !< [W] actual heating demand and/or cooling demand
318	REAL(wp) :: phi_hc_nd_un !< [W] unlimited heating demand and/or cooling demand which is necessary to
319	!< reach the demanded required temperature (heating is positive,
320	!< cooling is negative)
321	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
322	REAL(wp) :: phi_m !< [W] mass specific thermal load (internal and external)
323	REAL(wp) :: phi_mtot !< [W] total mass specific thermal load (internal and external)
324	REAL(wp) :: phi_sol !< [W] solar loads
325	REAL(wp) :: phi_st !< [W] mass specific thermal load implied non thermal mass
326	REAL(wp) :: q_wall !< [W/m2]heat flux from indoor into wall
327	REAL(wp) :: q_win !< [W/m2]heat flux from indoor into window
328	REAL(wp) :: q_waste_heat !< [W/m2]waste heat, sum of waste heat over the roof to Palm
329
330	REAL(wp) :: q_c_m !< [W] Energy of thermal storage mass specific thermal load for internal
331	!< and external heatsources (for energy bilanz)
332	REAL(wp) :: q_c_st !< [W] Energy of thermal storage mass specific thermal load implied non
333	!< thermal mass (for energy bilanz)
334	REAL(wp) :: q_int !< [W] Energy of internal air load (for energy bilanz)
335	REAL(wp) :: q_sol !< [W] Energy of solar (for energy bilanz)
336	REAL(wp) :: q_vent !< [W] Energy of ventilation (for energy bilanz)
337
338	REAL(wp) :: schedule_d !< [-] activation for internal loads (low or high + low)
339	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
340	REAL(wp) :: theta_air !< [degree_C] air temperature of the RC-node
341	REAL(wp) :: theta_air_0 !< [degree_C] air temperature of the RC-node in equilibrium
342	REAL(wp) :: theta_air_10 !< [degree_C] air temperature of the RC-node from a heating capacity
343	!< of 10 W/m2
344	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
345	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
346	REAL(wp) :: theta_m !< [degree_C} inner temperature of the RC-node
347	REAL(wp) :: theta_m_t !< [degree_C] (Fictive) component temperature during timestep
348	REAL(wp) :: theta_op !< [degree_C] operative temperature
349	REAL(wp) :: theta_s !< [degree_C] surface temperature of the RC-node
350	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
351	REAL(wp) :: total_area !< [m2] area of all surfaces pointing to zone
352	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
353
354	!
355	!-- Definition of seasonal parameters, summer and winter, for different building types
356	REAL(wp), DIMENSION(0:1,1:7) :: summer_pars = RESHAPE( (/ & ! building_type 1
357	0.5_wp, & ! basical airflow without occupancy of the room
358	2.0_wp, & ! additional airflow depend of occupancy of the room
359	0.5_wp, & ! building_type 2: basical airflow without occupancy
360	! of the room
361	2.0_wp, & ! additional airflow depend of occupancy of the room
362	0.8_wp, & ! building_type 3: basical airflow without occupancy
363	! of the room
364	2.0_wp, & ! additional airflow depend of occupancy of the room
365	0.1_wp, & ! building_type 4: basical airflow without occupancy
366	! of the room
367	1.5_wp, & ! additional airflow depend of occupancy of the room
368	0.1_wp, & ! building_type 5: basical airflow without occupancy
369	! of the room
370	1.5_wp, & ! additional airflow depend of occupancy of the room
371	0.1_wp, & ! building_type 6: basical airflow without occupancy
372	! of the room
373	1.5_wp, & ! additional airflow depend of occupancy of the room
374	0.1_wp, & ! building_type 7: basical airflow without occupancy
375	! of the room
376	1.5_wp & ! additional airflow depend of occupancy of the room
377	/), (/ 2, 7 /) )
378
379	REAL(wp), DIMENSION(0:1,1:7) :: winter_pars = RESHAPE( (/ & ! building_type 1
380	0.1_wp, & ! basical airflow without occupancy of the room
381	0.5_wp, & ! additional airflow depend of occupancy of the room
382	0.1_wp, & ! building_type 2: basical airflow without occupancy
383	! of the room
384	0.5_wp, & ! additional airflow depend of occupancy of the room
385	0.1_wp, & ! building_type 3: basical airflow without occupancy
386	! of the room
387	0.5_wp, & ! additional airflow depend of occupancy of the room
388	0.1_wp, & ! building_type 4: basical airflow without occupancy
389	! of the room
390	1.5_wp, & ! additional airflow depend of occupancy of the room
391	0.1_wp, & ! building_type 5: basical airflow without occupancy
392	! of the room
393	1.5_wp, & ! additional airflow depend of occupancy of the room
394	0.1_wp, & ! building_type 6: basical airflow without occupancy
395	! of the room
396	1.5_wp, & ! additional airflow depend of occupancy of the room
397	0.1_wp, & ! building_type 7: basical airflow without occupancy
398	! of the room
399	1.5_wp & ! additional airflow depend of occupancy of the room
400	/), (/ 2, 7 /) )
401
402	SAVE
403
404
405	PRIVATE
406
407	!
408	!-- Add INTERFACES that must be available to other modules
409	PUBLIC im_init, im_main_heatcool, im_parin, im_define_netcdf_grid, im_check_data_output, &
410	im_data_output_3d, im_check_parameters
411
412
413	!
414	!-- Add VARIABLES that must be available to other modules
415	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
416
417	!
418	!-- PALM interfaces:
419	!-- Data output checks for 2D/3D data to be done in check_parameters
420	INTERFACE im_check_data_output
421	MODULE PROCEDURE im_check_data_output
422	END INTERFACE im_check_data_output
423	!
424	!-- Input parameter checks to be done in check_parameters
425	INTERFACE im_check_parameters
426	MODULE PROCEDURE im_check_parameters
427	END INTERFACE im_check_parameters
428	!
429	!-- Data output of 3D data
430	INTERFACE im_data_output_3d
431	MODULE PROCEDURE im_data_output_3d
432	END INTERFACE im_data_output_3d
433
434	!
435	!-- Definition of data output quantities
436	INTERFACE im_define_netcdf_grid
437	MODULE PROCEDURE im_define_netcdf_grid
438	END INTERFACE im_define_netcdf_grid
439	!
440	! !
441	! !-- Output of information to the header file
442	! INTERFACE im_header
443	! MODULE PROCEDURE im_header
444	! END INTERFACE im_header
445	!
446	!-- Calculations for indoor temperatures
447	INTERFACE im_calc_temperatures
448	MODULE PROCEDURE im_calc_temperatures
449	END INTERFACE im_calc_temperatures
450	!
451	!-- Initialization actions
452	INTERFACE im_init
453	MODULE PROCEDURE im_init
454	END INTERFACE im_init
455	!
456	!-- Main part of indoor model
457	INTERFACE im_main_heatcool
458	MODULE PROCEDURE im_main_heatcool
459	END INTERFACE im_main_heatcool
460	!
461	!-- Reading of NAMELIST parameters
462	INTERFACE im_parin
463	MODULE PROCEDURE im_parin
464	END INTERFACE im_parin
465
466	CONTAINS
467
468	!--------------------------------------------------------------------------------------------------!
469	! Description:
470	! ------------
471	!< Calculation of the air temperatures and mean radiation temperature.
472	!< This is basis for the operative temperature.
473	!< Based on a Crank-Nicholson scheme with a timestep of a hour.
474	!--------------------------------------------------------------------------------------------------!
475	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
476	near_facade_temperature, phi_hc_nd_dummy, theta_m_t_prev )
477
478	INTEGER(iwp) :: i
479	INTEGER(iwp) :: j
480	INTEGER(iwp) :: k
481
482	REAL(wp) :: indoor_wall_temperature !< temperature of innermost wall layer evtl in im_calc_temperatures einfÃŒgen
483	REAL(wp) :: near_facade_temperature
484	REAL(wp) :: phi_hc_nd_dummy
485	REAL(wp), INTENT(IN) :: theta_m_t_prev
486	!
487	!-- Calculation of total mass specific thermal load (internal and external)
488	phi_mtot = ( phi_m + h_t_wm * indoor_wall_temperature &
489	+ h_t_3 * ( phi_st + h_t_es * pt(k,j,i) &
490	+ h_t_1 * &
491	( ( ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
492	+ near_facade_temperature ) &
493	) / h_t_2 &
494	) !< [degree_C] Eq. (C.5)
495	!
496	!-- Calculation of component temperature at current timestep
497	theta_m_t = ( ( theta_m_t_prev &
498	* ( ( c_m / 3600.0_wp ) - 0.5_wp * ( h_t_3 + h_t_wm ) ) &
499	+ phi_mtot &
500	) &
501	/ ( ( c_m / 3600.0_wp ) + 0.5_wp * ( h_t_3 + h_t_wm ) ) &
502	) !< [degree_C] Eq. (C.4)
503	!
504	!-- Calculation of mean inner temperature for the RC-node in current timestep
505	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5_wp !< [degree_C] Eq. (C.9)
506
507	!
508	!-- Calculation of mean surface temperature of the RC-node in current timestep
509	theta_s = ( ( h_t_ms * theta_m + phi_st + h_t_es * pt(k,j,i) &
510	+ h_t_1 * ( near_facade_temperature &
511	+ ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
512	) &
513	/ ( h_t_ms + h_t_es + h_t_1 ) &
514	) !< [degree_C] Eq. (C.10)
515
516	!
517	!-- Calculation of the air temperature of the RC-node
518
519
520	theta_air = ( h_t_is * theta_s + h_v * near_facade_temperature + phi_ia + phi_hc_nd_dummy ) / &
521	( h_t_is + h_v ) !< [degree_C] Eq. (C.11)
522
523
524	END SUBROUTINE im_calc_temperatures
525
526
527	!--------------------------------------------------------------------------------------------------!
528	! Description:
529	! ------------
530	!> Initialization of the indoor model.
531	!> Static information are calculated here, e.g. building parameters and geometrical information,
532	!> anything that doesn't change in time.
533	!
534	!-- Input values
535	!-- Input datas from Palm, M4
536	! i_global --> net_sw_in !< global radiation [W/m2]
537	! theta_e --> pt(k,j,i) !< undisturbed outside temperature, 1. PALM volume, for windows
538	! theta_sup = theta_f --> surf_usm_h%pt_10cm(m)
539	! surf_usm_v(l)%pt_10cm(m) !< Air temperature, facade near (10cm) air temperature from
540	!< 1. Palm volume
541	! theta_node --> t_wall_h(nzt_wall,m)
542	! t_wall_v(l)%t(nzt_wall,m) !< Temperature of innermost wall layer, for opaque wall
543	!--------------------------------------------------------------------------------------------------!
544	SUBROUTINE im_init
545
546	USE control_parameters, &
547	ONLY: message_string, time_since_reference_point
548
549	USE indices, &
550	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_total_0
551
552	USE grid_variables, &
553	ONLY: dx, dy
554
555	USE pegrid
556
557	USE surface_mod, &
558	ONLY: surf_usm_h, surf_usm_v
559
560	USE urban_surface_mod, &
561	ONLY: building_pars, building_type
562
563	INTEGER(iwp) :: bt !< local building type
564	INTEGER(iwp) :: day_of_year !< day of the year
565	INTEGER(iwp) :: i !< running index along x-direction
566	INTEGER(iwp) :: j !< running index along y-direction
567	INTEGER(iwp) :: k !< running index along z-direction
568	INTEGER(iwp) :: l !< running index for surface-element orientation
569	INTEGER(iwp) :: m !< running index surface elements
570	INTEGER(iwp) :: n !< building index
571	INTEGER(iwp) :: nb !< building index
572
573	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
574	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
575	!< multiple occurences are sorted out
576	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
577	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
578	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
579	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
580	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
581	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
582	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
583	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
584	!< horizontal facade elements
585	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
586	!< vertical facade elements
587	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
588	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
589
590	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
591	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
592
593	REAL(wp) :: u_tmp !< dummy for temporary calculation of u-value without h_is
594	REAL(wp) :: du_tmp !< 1/u_tmp
595	REAL(wp) :: du_win_tmp !< 1/building(nb)%u_value_win
596	REAL(wp) :: facade_area_v !< dummy to compute the total facade area from vertical walls
597
598	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
599	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
600	!< on local subdomain
601
602	CALL location_message( 'initializing indoor model', 'start' )
603	!
604	!-- Initializing of indoor model is only possible if buildings can be distinguished by their IDs.
605	IF ( .NOT. building_id_f%from_file ) THEN
606	message_string = 'Indoor model requires information about building_id'
607	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
608	ENDIF
609	!
610	!-- Determine number of different building IDs on local subdomain.
611	num_buildings_l = 0
612	num_buildings = 0
613	ALLOCATE( build_ids_l(1) )
614	DO i = nxl, nxr
615	DO j = nys, nyn
616	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
617	IF ( num_buildings_l(myid) > 0 ) THEN
618	IF ( ANY( building_id_f%var(j,i) == build_ids_l ) ) THEN
619	CYCLE
620	ELSE
621	num_buildings_l(myid) = num_buildings_l(myid) + 1
622	!
623	!-- Resize array with different local building ids
624	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
625	build_ids_l_tmp = build_ids_l
626	DEALLOCATE( build_ids_l )
627	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
628	build_ids_l(1:num_buildings_l(myid)-1) = &
629	build_ids_l_tmp(1:num_buildings_l(myid)-1)
630	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
631	DEALLOCATE( build_ids_l_tmp )
632	ENDIF
633	!
634	!-- First occuring building id on PE
635	ELSE
636	num_buildings_l(myid) = num_buildings_l(myid) + 1
637	build_ids_l(1) = building_id_f%var(j,i)
638	ENDIF
639	ENDIF
640	ENDDO
641	ENDDO
642	!
643	!-- Determine number of building IDs for the entire domain. (Note, building IDs can appear multiple
644	!-- times as buildings might be distributed over several PEs.)
645	#if defined( __parallel )
646	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, MPI_INTEGER, MPI_SUM, comm2d, &
647	ierr )
648	#else
649	num_buildings = num_buildings_l
650	#endif
651	ALLOCATE( build_ids(1:SUM(num_buildings)) )
652	!
653	!-- Gather building IDs. Therefore, first, determine displacements used required for MPI_GATHERV
654	!-- call.
655	ALLOCATE( displace_dum(0:numprocs-1) )
656	displace_dum(0) = 0
657	DO i = 1, numprocs-1
658	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
659	ENDDO
660
661	#if defined( __parallel )
662	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
663	num_buildings(myid), &
664	MPI_INTEGER, &
665	build_ids, &
666	num_buildings, &
667	displace_dum, &
668	MPI_INTEGER, &
669	comm2d, ierr )
670
671	DEALLOCATE( displace_dum )
672
673	#else
674	build_ids = build_ids_l
675	#endif
676	!
677	!-- Note: in parallel mode, building IDs can occur mutliple times, as each PE has send its own ids.
678	!-- Therefore, sort out building IDs which appear multiple times.
679	num_build = 0
680	DO n = 1, SIZE(build_ids)
681
682	IF ( ALLOCATED(build_ids_final) ) THEN
683	IF ( ANY( build_ids(n) == build_ids_final ) ) THEN
684	CYCLE
685	ELSE
686	num_build = num_build + 1
687	!
688	!-- Resize
689	ALLOCATE( build_ids_final_tmp(1:num_build) )
690	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
691	DEALLOCATE( build_ids_final )
692	ALLOCATE( build_ids_final(1:num_build) )
693	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
694	build_ids_final(num_build) = build_ids(n)
695	DEALLOCATE( build_ids_final_tmp )
696	ENDIF
697	ELSE
698	num_build = num_build + 1
699	ALLOCATE( build_ids_final(1:num_build) )
700	build_ids_final(num_build) = build_ids(n)
701	ENDIF
702	ENDDO
703
704	!
705	!-- Allocate building-data structure array. Note, this is a global array and all building IDs on
706	!-- domain are known by each PE. Further attributes, e.g. height-dependent arrays, however, are only
707	!-- allocated on PEs where the respective building is present (in order to reduce memory demands).
708	ALLOCATE( buildings(1:num_build) )
709
710	!
711	!-- Store building IDs and check if building with certain ID is present on subdomain.
712	DO nb = 1, num_build
713	buildings(nb)%id = build_ids_final(nb)
714
715	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) &
716	buildings(nb)%on_pe = .TRUE.
717	ENDDO
718	!
719	!-- Determine the maximum vertical dimension occupied by each building.
720	ALLOCATE( k_min_l(1:num_build) )
721	ALLOCATE( k_max_l(1:num_build) )
722	k_min_l = nzt + 1
723	k_max_l = 0
724
725	DO i = nxl, nxr
726	DO j = nys, nyn
727	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
728	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
729	DO k = nzb, nzt+1
730	!
731	!-- Check if grid point belongs to a building.
732	IF ( BTEST( wall_flags_total_0(k,j,i), 6 ) ) THEN
733	k_min_l(nb) = MIN( k_min_l(nb), k )
734	k_max_l(nb) = MAX( k_max_l(nb), k )
735	ENDIF
736
737	ENDDO
738	ENDIF
739	ENDDO
740	ENDDO
741
742	#if defined( __parallel )
743	CALL MPI_ALLREDUCE( k_min_l(:), buildings(:)%kb_min, num_build, MPI_INTEGER, MPI_MIN, comm2d, &
744	ierr )
745	CALL MPI_ALLREDUCE( k_max_l(:), buildings(:)%kb_max, num_build, MPI_INTEGER, MPI_MAX, comm2d, &
746	ierr )
747	#else
748	buildings(:)%kb_min = k_min_l(:)
749	buildings(:)%kb_max = k_max_l(:)
750	#endif
751
752	DEALLOCATE( k_min_l )
753	DEALLOCATE( k_max_l )
754	!
755	!-- Calculate building height.
756	DO nb = 1, num_build
757	buildings(nb)%building_height = 0.0_wp
758	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
759	buildings(nb)%building_height = buildings(nb)%building_height + dzw(k+1)
760	ENDDO
761	ENDDO
762	!
763	!-- Calculate building volume
764	DO nb = 1, num_build
765	!
766	!-- Allocate temporary array for summing-up building volume
767	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
768	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
769	volume = 0.0_wp
770	volume_l = 0.0_wp
771	!
772	!-- Calculate building volume per height level on each PE where these building is present.
773	IF ( buildings(nb)%on_pe ) THEN
774
775	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
776	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
777	buildings(nb)%volume = 0.0_wp
778	buildings(nb)%vol_frac = 0.0_wp
779
780	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) THEN
781	DO i = nxl, nxr
782	DO j = nys, nyn
783	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
784	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
785	volume_l(k) = volume_l(k) + dx * dy * dzw(k+1)
786	ENDDO
787	ENDDO
788	ENDDO
789	ENDIF
790	ENDIF
791	!
792	!-- Sum-up building volume from all subdomains
793	#if defined( __parallel )
794	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, comm2d, ierr )
795	#else
796	volume = volume_l
797	#endif
798	!
799	!-- Save total building volume as well as local fraction on volume on building data structure.
800	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
801	!
802	!-- Determine fraction of local on total building volume
803	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
804	!
805	!-- Calculate total building volume
806	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%vol_tot = SUM( buildings(nb)%volume )
807
808	DEALLOCATE( volume )
809	DEALLOCATE( volume_l )
810
811	ENDDO
812	!
813	!-- Allocate arrays for indoor temperature.
814	DO nb = 1, num_build
815	IF ( buildings(nb)%on_pe ) THEN
816	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
817	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
818	buildings(nb)%t_in = 0.0_wp
819	buildings(nb)%t_in_l = 0.0_wp
820	ENDIF
821	ENDDO
822	!
823	!-- Allocate arrays for number of facades per height level. Distinguish between horizontal and
824	!-- vertical facades.
825	DO nb = 1, num_build
826	IF ( buildings(nb)%on_pe ) THEN
827	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
828	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
829
830	buildings(nb)%num_facade_h = 0
831	buildings(nb)%num_facade_v = 0
832	ENDIF
833	ENDDO
834	!
835	!-- Determine number of facade elements per building on local subdomain.
836	!-- Distinguish between horizontal and vertical facade elements.
837	!
838	!-- Horizontal facades
839	buildings(:)%num_facades_per_building_h_l = 0
840	DO l = 0, 1
841	DO m = 1, surf_usm_h(l)%ns
842	!
843	!-- For the current facade element determine corresponding building index.
844	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
845	!-- element and building location (for horizontal surface elements the horizontal offsets are
846	!-- zero).
847	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
848	j = surf_usm_h(l)%j(m) + surf_usm_h(l)%joff
849	k = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
850	!
851	!-- Determine building index and check whether building is on PE.
852	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
853
854	IF ( buildings(nb)%on_pe ) THEN
855	!
856	!-- Count number of facade elements at each height level.
857	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
858	!
859	!-- Moreover, sum up number of local facade elements per building.
860	buildings(nb)%num_facades_per_building_h_l = &
861	buildings(nb)%num_facades_per_building_h_l + 1
862	ENDIF
863	ENDDO
864	ENDDO
865	!
866	!-- Vertical facades
867	buildings(:)%num_facades_per_building_v_l = 0
868	DO l = 0, 3
869	DO m = 1, surf_usm_v(l)%ns
870	!
871	!-- For the current facade element determine corresponding building index.
872	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
873	!-- element and building location (for vertical surface elements the vertical offsets are
874	!-- zero).
875	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
876	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
877	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
878
879	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
880	IF ( buildings(nb)%on_pe ) THEN
881	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
882	buildings(nb)%num_facades_per_building_v_l = &
883	buildings(nb)%num_facades_per_building_v_l + 1
884	ENDIF
885	ENDDO
886	ENDDO
887	!
888	!-- Determine total number of facade elements per building and assign number to building data type.
889	DO nb = 1, num_build
890	!
891	!-- Allocate dummy array used for summing-up facade elements.
892	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
893	!-- allocated on all PEs.
894	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
895	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
896	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
897	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
898	num_facades_h = 0
899	num_facades_v = 0
900	receive_dum_h = 0
901	receive_dum_v = 0
902
903	IF ( buildings(nb)%on_pe ) THEN
904	num_facades_h = buildings(nb)%num_facade_h
905	num_facades_v = buildings(nb)%num_facade_v
906	ENDIF
907
908	#if defined( __parallel )
909	CALL MPI_ALLREDUCE( num_facades_h, &
910	receive_dum_h, &
911	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
912	MPI_INTEGER, &
913	MPI_SUM, &
914	comm2d, &
915	ierr )
916
917	CALL MPI_ALLREDUCE( num_facades_v, &
918	receive_dum_v, &
919	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
920	MPI_INTEGER, &
921	MPI_SUM, &
922	comm2d, &
923	ierr )
924	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) buildings(nb)%num_facade_h = receive_dum_h
925	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) buildings(nb)%num_facade_v = receive_dum_v
926	#else
927	buildings(nb)%num_facade_h = num_facades_h
928	buildings(nb)%num_facade_v = num_facades_v
929	#endif
930
931	!
932	!-- Deallocate dummy arrays
933	DEALLOCATE( num_facades_h )
934	DEALLOCATE( num_facades_v )
935	DEALLOCATE( receive_dum_h )
936	DEALLOCATE( receive_dum_v )
937	!
938	!-- Allocate index arrays which link facade elements with surface-data type.
939	!-- Please note, no height levels are considered here (information is stored in surface-data type
940	!-- itself).
941	IF ( buildings(nb)%on_pe ) THEN
942	!
943	!-- Determine number of facade elements per building.
944	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
945	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
946	!
947	!-- Allocate arrays which link the building with the horizontal and vertical urban-type
948	!-- surfaces. Please note, linking arrays are allocated over all facade elements, which is
949	!-- required in case a building is located at the subdomain boundaries, where the building and
950	!-- the corresponding surface elements are located on different subdomains.
951	ALLOCATE( buildings(nb)%l_h(1:buildings(nb)%num_facades_per_building_h_l) )
952	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
953
954	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
955	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
956
957	ALLOCATE( buildings(nb)%theta_m_t_prev_h(1:buildings(nb)%num_facades_per_building_h_l) )
958	ALLOCATE( buildings(nb)%theta_m_t_prev_v(1:buildings(nb)%num_facades_per_building_v_l) )
959	ENDIF
960
961	IF ( buildings(nb)%on_pe ) THEN
962	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
963	buildings(nb)%vpf = 0.0_wp
964
965	facade_area_v = 0.0_wp
966	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
967	facade_area_v = facade_area_v + buildings(nb)%num_facade_v(k) * dzw(k+1) * dx
968	ENDDO
969	!
970	!-- Determine volume per total facade area (vpf). For the horizontal facade area
971	!-- num_facades_per_building_h can be taken, multiplied with dx*dy.
972	!-- However, due to grid stretching, vertical facade elements must be summed-up vertically.
973	!-- Please note, if dx /= dy, an error is made!
974	buildings(nb)%vpf = buildings(nb)%vol_tot / &
975	( buildings(nb)%num_facades_per_building_h * dx * dy + facade_area_v )
976	!
977	!-- Determine floor-area-per-facade.
978	buildings(nb)%fapf = buildings(nb)%num_facades_per_building_h * dx * dy &
979	/ ( buildings(nb)%num_facades_per_building_h * dx * dy &
980	+ facade_area_v )
981	ENDIF
982	ENDDO
983	!
984	!-- Link facade elements with surface data type.
985	!-- Allocate array for counting.
986	ALLOCATE( n_fa(1:num_build) )
987	n_fa = 1
988
989	DO l = 0, 1
990	DO m = 1, surf_usm_h(l)%ns
991	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
992	j = surf_usm_h(l)%j(m) + surf_usm_h(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_h(n_fa(nb)) = l
998	buildings(nb)%m_h(n_fa(nb)) = m
999	n_fa(nb) = n_fa(nb) + 1
1000	ENDIF
1001	ENDDO
1002	ENDDO
1003
1004	n_fa = 1
1005	DO l = 0, 3
1006	DO m = 1, surf_usm_v(l)%ns
1007	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
1008	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
1009
1010	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1011
1012	IF ( buildings(nb)%on_pe ) THEN
1013	buildings(nb)%l_v(n_fa(nb)) = l
1014	buildings(nb)%m_v(n_fa(nb)) = m
1015	n_fa(nb) = n_fa(nb) + 1
1016	ENDIF
1017	ENDDO
1018	ENDDO
1019	DEALLOCATE( n_fa )
1020	!
1021	!-- Initialize building parameters, first by mean building type. Note, in this case all buildings
1022	!-- have the same type.
1023	!-- In a second step initialize with building tpyes from static input file, where building types can
1024	!-- be individual for each building.
1025	buildings(:)%lambda_layer3 = building_pars(31,building_type)
1026	buildings(:)%s_layer3 = building_pars(44,building_type)
1027	buildings(:)%f_c_win = building_pars(119,building_type)
1028	buildings(:)%g_value_win = building_pars(120,building_type)
1029	buildings(:)%u_value_win = building_pars(121,building_type)
1030	buildings(:)%eta_ve = building_pars(124,building_type)
1031	buildings(:)%factor_a = building_pars(125,building_type)
1032	buildings(:)%factor_c = building_pars(126,building_type)
1033	buildings(:)%lambda_at = building_pars(127,building_type)
1034	buildings(:)%theta_int_h_set = building_pars(13,building_type)
1035	buildings(:)%theta_int_c_set = building_pars(12,building_type)
1036	buildings(:)%q_h_max = building_pars(128,building_type)
1037	buildings(:)%q_c_max = building_pars(129,building_type)
1038	buildings(:)%qint_high = building_pars(130,building_type)
1039	buildings(:)%qint_low = building_pars(131,building_type)
1040	buildings(:)%height_storey = building_pars(132,building_type)
1041	buildings(:)%height_cei_con = building_pars(133,building_type)
1042	buildings(:)%params_waste_heat_h = building_pars(134,building_type)
1043	buildings(:)%params_waste_heat_c = building_pars(135,building_type)
1044	!
1045	!-- Initialize seasonal dependent parameters, depending on day of the year.
1046	!-- First, calculated day of the year.
1047	CALL get_date_time( time_since_reference_point, day_of_year = day_of_year )
1048	!
1049	!-- Summer is defined in between northward- and southward equinox.
1050	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
1051	buildings(:)%air_change_low = summer_pars(0,building_type)
1052	buildings(:)%air_change_high = summer_pars(1,building_type)
1053	ELSE
1054	buildings(:)%air_change_low = winter_pars(0,building_type)
1055	buildings(:)%air_change_high = winter_pars(1,building_type)
1056	ENDIF
1057	!
1058	!-- Initialize ventilation load. Please note, building types > 7 are actually not allowed (check
1059	!-- already in urban_surface_mod and netcdf_data_input_mod.
1060	!-- However, the building data base may be later extended.
1061	IF ( building_type == 1 .OR. building_type == 2 .OR. &
1062	building_type == 3 .OR. building_type == 10 .OR. &
1063	building_type == 11 .OR. building_type == 12 ) THEN
1064	buildings(:)%ventilation_int_loads = 1
1065	!
1066	!-- Office, building with large windows
1067	ELSEIF ( building_type == 4 .OR. building_type == 5 .OR. &
1068	building_type == 6 .OR. building_type == 7 .OR. &
1069	building_type == 8 .OR. building_type == 9) THEN
1070	buildings(:)%ventilation_int_loads = 2
1071	!
1072	!-- Industry, hospitals
1073	ELSEIF ( building_type == 13 .OR. building_type == 14 .OR. &
1074	building_type == 15 .OR. building_type == 16 .OR. &
1075	building_type == 17 .OR. building_type == 18 ) THEN
1076	buildings(:)%ventilation_int_loads = 3
1077	ENDIF
1078	!
1079	!-- Initialization of building parameters - level 2
1080	IF ( building_type_f%from_file ) THEN
1081	DO i = nxl, nxr
1082	DO j = nys, nyn
1083	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
1084	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1085	bt = building_type_f%var(j,i)
1086
1087	buildings(nb)%lambda_layer3 = building_pars(31,bt)
1088	buildings(nb)%s_layer3 = building_pars(44,bt)
1089	buildings(nb)%f_c_win = building_pars(119,bt)
1090	buildings(nb)%g_value_win = building_pars(120,bt)
1091	buildings(nb)%u_value_win = building_pars(121,bt)
1092	buildings(nb)%eta_ve = building_pars(124,bt)
1093	buildings(nb)%factor_a = building_pars(125,bt)
1094	buildings(nb)%factor_c = building_pars(126,bt)
1095	buildings(nb)%lambda_at = building_pars(127,bt)
1096	buildings(nb)%theta_int_h_set = building_pars(13,bt)
1097	buildings(nb)%theta_int_c_set = building_pars(12,bt)
1098	buildings(nb)%q_h_max = building_pars(128,bt)
1099	buildings(nb)%q_c_max = building_pars(129,bt)
1100	buildings(nb)%qint_high = building_pars(130,bt)
1101	buildings(nb)%qint_low = building_pars(131,bt)
1102	buildings(nb)%height_storey = building_pars(132,bt)
1103	buildings(nb)%height_cei_con = building_pars(133,bt)
1104	buildings(nb)%params_waste_heat_h = building_pars(134,bt)
1105	buildings(nb)%params_waste_heat_c = building_pars(135,bt)
1106
1107	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
1108	buildings(nb)%air_change_low = summer_pars(0,bt)
1109	buildings(nb)%air_change_high = summer_pars(1,bt)
1110	ELSE
1111	buildings(nb)%air_change_low = winter_pars(0,bt)
1112	buildings(nb)%air_change_high = winter_pars(1,bt)
1113	ENDIF
1114
1115	!
1116	!-- Initialize ventilaation load. Please note, building types > 7
1117	!-- are actually not allowed (check already in urban_surface_mod
1118	!-- and netcdf_data_input_mod. However, the building data base may
1119	!-- be later extended.
1120	IF ( bt == 1 .OR. bt == 2 .OR. &
1121	bt == 3 .OR. bt == 10 .OR. &
1122	bt == 11 .OR. bt == 12 ) THEN
1123	buildings(nb)%ventilation_int_loads = 1
1124	!
1125	!-- Office, building with large windows
1126	ELSEIF ( bt == 4 .OR. bt == 5 .OR. &
1127	bt == 6 .OR. bt == 7 .OR. &
1128	bt == 8 .OR. bt == 9) THEN
1129	buildings(nb)%ventilation_int_loads = 2
1130	!
1131	!-- Industry, hospitals
1132	ELSEIF ( bt == 13 .OR. bt == 14 .OR. &
1133	bt == 15 .OR. bt == 16 .OR. &
1134	bt == 17 .OR. bt == 18 ) THEN
1135	buildings(nb)%ventilation_int_loads = 3
1136	ENDIF
1137	ENDIF
1138	ENDDO
1139	ENDDO
1140	ENDIF
1141	!
1142	!-- Calculation of surface-related heat transfer coeffiecient out of standard u-values from building
1143	!-- database.
1144	!-- Only amount of extern and surface is used.
1145	!-- Otherwise amount between air and surface taken account twice.
1146	DO nb = 1, num_build
1147	IF ( buildings(nb)%on_pe ) THEN
1148	du_win_tmp = 1.0_wp / buildings(nb)%u_value_win
1149	u_tmp = buildings(nb)%u_value_win * ( du_win_tmp / ( du_win_tmp - &
1150	0.125_wp + ( 1.0_wp / h_is ) ) )
1151
1152	du_tmp = 1.0_wp / u_tmp
1153
1154	buildings(nb)%h_es = 1.0_wp / ( du_tmp - ( 1.0_wp / h_is ) )
1155
1156	ENDIF
1157	ENDDO
1158	!
1159	!-- Initialize indoor temperature. Actually only for output at initial state.
1160	DO nb = 1, num_build
1161	IF ( buildings(nb)%on_pe ) THEN
1162	buildings(nb)%t_in(:) = initial_indoor_temperature
1163
1164	!
1165	!-- (after first loop, use theta_m_t as theta_m_t_prev)
1166	buildings(nb)%theta_m_t_prev_h(:) = initial_indoor_temperature
1167	buildings(nb)%theta_m_t_prev_v(:) = initial_indoor_temperature
1168
1169	ENDIF
1170	ENDDO
1171
1172	CALL location_message( 'initializing indoor model', 'finished' )
1173
1174	END SUBROUTINE im_init
1175
1176
1177	!--------------------------------------------------------------------------------------------------!
1178	! Description:
1179	! ------------
1180	!> Main part of the indoor model.
1181	!> Calculation of .... (kanani: Please describe)
1182	!--------------------------------------------------------------------------------------------------!
1183	SUBROUTINE im_main_heatcool
1184
1185	! USE basic_constants_and_equations_mod, &
1186	! ONLY: c_p
1187
1188	USE control_parameters, &
1189	ONLY: time_since_reference_point
1190
1191	USE grid_variables, &
1192	ONLY: dx, dy
1193
1194	USE pegrid
1195
1196	USE surface_mod, &
1197	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
1198
1199	USE urban_surface_mod, &
1200	ONLY: building_type, nzt_wall, t_wall_h, t_wall_v, t_window_h, t_window_v
1201
1202
1203	INTEGER(iwp) :: fa !< running index for facade elements of each building
1204	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
1205	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
1206	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
1207	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
1208	INTEGER(iwp) :: l !< running index for surface-element orientation
1209	INTEGER(iwp) :: m !< running index surface elements
1210	INTEGER(iwp) :: nb !< running index for buildings
1211
1212	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
1213
1214	REAL(wp) :: indoor_wall_temperature !< temperature of innermost wall layer evtl in im_calc_temperatures einfÃŒgen
1215
1216	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
1217	REAL(wp) :: second_of_day !< second of the current day
1218	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
1219
1220	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
1221	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
1222	!
1223	!-- Determine time of day in hours.
1224	CALL get_date_time( time_since_reference_point, second_of_day=second_of_day )
1225	time_utc_hour = second_of_day / seconds_per_hour
1226	!
1227	!-- Following calculations must be done for each facade element.
1228	DO nb = 1, num_build
1229	!
1230	!-- First, check whether building is present on local subdomain.
1231	IF ( buildings(nb)%on_pe ) THEN
1232	!
1233	!-- Determine daily schedule. 08:00-18:00 = 1, other hours = 0.
1234	!-- Residental Building, panel WBS 70
1235	IF ( buildings(nb)%ventilation_int_loads == 1 ) THEN
1236	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
1237	schedule_d = 0
1238	ELSE
1239	schedule_d = 1
1240	ENDIF
1241	ENDIF
1242	!
1243	!-- Office, building with large windows
1244	IF ( buildings(nb)%ventilation_int_loads == 2 ) THEN
1245	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
1246	schedule_d = 1
1247	ELSE
1248	schedule_d = 0
1249	ENDIF
1250	ENDIF
1251	!
1252	!-- Industry, hospitals
1253	IF ( buildings(nb)%ventilation_int_loads == 3 ) THEN
1254	IF ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
1255	schedule_d = 1
1256	ELSE
1257	schedule_d = 0
1258	ENDIF
1259	ENDIF
1260	!
1261	!-- Initialize/reset indoor temperature
1262	buildings(nb)%t_in_l = 0.0_wp
1263	!
1264	!-- Horizontal surfaces
1265	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
1266	!
1267	!-- Determine indices where corresponding surface-type information is stored.
1268	l = buildings(nb)%l_h(fa)
1269	m = buildings(nb)%m_h(fa)
1270	!
1271	!-- Determine building height level index.
1272	kk = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
1273	!
1274	!-- Building geometries --> not time-dependent
1275	facade_element_area = dx * dy !< [m2] surface area per facade element
1276	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
1277	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
1278	buildings(nb)%area_facade = facade_element_area * &
1279	( buildings(nb)%num_facades_per_building_h + &
1280	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
1281	window_area_per_facade = surf_usm_h(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per facade
1282	!< element
1283
1284	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
1285	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
1286	!< pointing to zone Eq. (9) according to section 7.2.2.2
1287	a_m = buildings(nb)%factor_a * total_area * &
1288	( facade_element_area / buildings(nb)%area_facade ) * &
1289	buildings(nb)%lambda_at !< [m2] standard values
1290	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1291	c_m = buildings(nb)%factor_c * total_area * &
1292	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
1293	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1294	!
1295	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1296	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
1297
1298	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
1299	!< (m2 K) between surface and air, Eq. (9)
1300	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
1301	!< (m2 K) between component and surface, Eq. (64)
1302	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
1303	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
1304	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
1305	h_t_wm = 1.0_wp / ( 1.0_wp / h_t_wall - 1.0_wp / h_t_ms ) !< [W/K] emmision Eq. (63),
1306	!< Section 12.2.2
1307	!
1308	!-- Internal air loads dependent on the occupacy of the room.
1309	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int).
1310	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1311	* floor_area_per_facade )
1312	q_int = phi_ia / total_area
1313	!
1314	!-- Airflow dependent on the occupacy of the room.
1315	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
1316	air_change = ( buildings(nb)%air_change_high * schedule_d + buildings(nb)%air_change_low ) !< [1/h]?
1317	!
1318	!-- Heat transfer of ventilation.
1319	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
1320	!-- capacity of air 0.33 Wh/m2K.
1321	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1322	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
1323
1324	!-- Heat transfer coefficient auxiliary variables
1325	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
1326	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
1327	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
1328	!
1329	!-- Net short-wave radiation through window area (was i_global)
1330	net_sw_in = surf_usm_h(l)%rad_sw_in(m) - surf_usm_h(l)%rad_sw_out(m)
1331	!
1332	!-- Quantities needed for im_calc_temperatures
1333	i = surf_usm_h(l)%i(m)
1334	j = surf_usm_h(l)%j(m)
1335	k = surf_usm_h(l)%k(m)
1336	near_facade_temperature = surf_usm_h(l)%pt_10cm(m)
1337	indoor_wall_window_temperature = &
1338	surf_usm_h(l)%frac(m,ind_veg_wall) * t_wall_h(l)%val(nzt_wall,m) &
1339	+ surf_usm_h(l)%frac(m,ind_wat_win) * t_window_h(l)%val(nzt_wall,m)
1340	indoor_wall_temperature = surf_usm_h(l)%frac(m,ind_veg_wall) * t_wall_h(l)%val(nzt_wall,m)
1341	!
1342	!-- Solar thermal gains. If net_sw_in larger than sun-protection threshold parameter
1343	!-- (params_solar_protection), sun protection will be activated.
1344	IF ( net_sw_in <= params_solar_protection ) THEN
1345	solar_protection_off = 1
1346	solar_protection_on = 0
1347	ELSE
1348	solar_protection_off = 0
1349	solar_protection_on = 1
1350	ENDIF
1351	!
1352	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
1353	!-- automatic sun protection.
1354	!-- DIN 4108 - 2 chap.8
1355	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1356	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
1357	solar_protection_on ) &
1358	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
1359	q_sol = phi_sol
1360	!
1361	!-- Calculation of the mass specific thermal load for internal and external heatsources of
1362	!-- the inner node.
1363	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with
1364	!< phi_ia=0,5*phi_int
1365	q_c_m = phi_m
1366	!
1367	!-- Calculation mass specific thermal load implied non thermal mass
1368	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
1369	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
1370	!< phi_ia=0,5*phi_int
1371	q_c_st = phi_st
1372	!
1373	!-- Calculations for deriving indoor temperature and heat flux into the wall
1374	!-- Step 1: indoor temperature without heating and cooling
1375	!-- section C.4.1 Picture C.2 zone 3)
1376	phi_hc_nd = 0.0_wp
1377
1378	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1379	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1380	!
1381	!-- If air temperature between border temperatures of heating and cooling, assign output
1382	!-- variable, then ready.
1383	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
1384	theta_air <= buildings(nb)%theta_int_c_set ) THEN
1385	phi_hc_nd_ac = 0.0_wp
1386	phi_hc_nd = phi_hc_nd_ac
1387	theta_air_ac = theta_air
1388	!
1389	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1390	!-- again.
1391	ELSE
1392	!
1393	!-- Temperature not correct, calculation method according to section C4.2
1394	theta_air_0 = theta_air !< temperature without heating/cooling
1395	!
1396	!-- Heating or cooling?
1397	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
1398	theta_air_set = buildings(nb)%theta_int_c_set
1399	ELSE
1400	theta_air_set = buildings(nb)%theta_int_h_set
1401	ENDIF
1402	!
1403	!-- Calculate the temperature with phi_hc_nd_10
1404	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1405	phi_hc_nd = phi_hc_nd_10
1406
1407	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1408	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1409	theta_air_10 = theta_air !< temperature with 10 W/m2 of heating
1410	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
1411	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
1412	!
1413	!-- Step 3: with temperature ratio to determine the heating or cooling capacity.
1414	!-- If necessary, limit the power to maximum power.
1415	!-- section C.4.1 Picture C.2 zone 2) and 4)
1416	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
1417	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
1418	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
1419	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1420	phi_hc_nd_ac = phi_hc_nd_un
1421	phi_hc_nd = phi_hc_nd_un
1422	ELSE
1423	!
1424	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
1425	!-- (phi_hc_nd_un negative)
1426	!-- section C.4.1 Picture C.2 zone 1) and 5)
1427	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1428	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1429	ELSE
1430	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1431	ENDIF
1432	ENDIF
1433	phi_hc_nd = phi_hc_nd_ac
1434	!
1435	!-- Calculate the temperature with phi_hc_nd_ac (new)
1436	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1437	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1438	theta_air_ac = theta_air
1439	ENDIF
1440	!
1441	!-- Update theta_m_t_prev
1442	buildings(nb)%theta_m_t_prev_h(fa) = theta_m_t
1443
1444
1445	q_vent = h_v * ( theta_air - near_facade_temperature )
1446	!
1447	!-- Calculate the operating temperature with weighted mean temperature of air and mean
1448	!-- solar temperature.
1449	!-- Will be used for thermal comfort calculations.
1450	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s !< [degree_C] operative Temperature Eq. (C.12)
1451
1452	! surf_usm_h(l)%t_indoor(m) = theta_op !< not integrated now
1453	!
1454	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1455	!-- calculate heat transfer through wall layers towards the facade
1456	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
1457	IF ( (facade_element_area - window_area_per_facade) > 0.0_wp ) THEN
1458	q_wall = h_t_wm * ( indoor_wall_temperature - theta_m ) &
1459	/ ( facade_element_area - window_area_per_facade )
1460	ELSE
1461	q_wall = 0.0_wp
1462	ENDIF
1463
1464	IF ( window_area_per_facade > 0.0_wp ) THEN
1465	q_win = h_t_es * ( pt(k,j,i) - theta_s ) / ( window_area_per_facade )
1466	ELSE
1467	q_win = 0.0_wp
1468	ENDIF
1469	!
1470	!-- Transfer q_wall & q_win back to USM (innermost wall/window layer)
1471	surf_usm_h(l)%iwghf_eb(m) = - q_wall
1472	surf_usm_h(l)%iwghf_eb_window(m) = - q_win
1473	!
1474	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
1475	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
1476	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1477	!
1478	!-- Calculation of waste heat.
1479	!-- Anthropogenic heat output.
1480	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1481	heating_on = 1
1482	cooling_on = 0
1483	ELSE
1484	heating_on = 0
1485	cooling_on = -1
1486	ENDIF
1487
1488	q_waste_heat = ( phi_hc_nd * ( &
1489	buildings(nb)%params_waste_heat_h * heating_on + &
1490	buildings(nb)%params_waste_heat_c * cooling_on ) &
1491	) / facade_element_area !< [W/m2] , observe the directional
1492	!< convention in PALM!
1493	surf_usm_h(l)%waste_heat(m) = q_waste_heat
1494	ENDDO !< Horizontal surfaces loop
1495	!
1496	!-- Vertical surfaces
1497	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
1498	!
1499	!-- Determine indices where corresponding surface-type information is stored.
1500	l = buildings(nb)%l_v(fa)
1501	m = buildings(nb)%m_v(fa)
1502	!
1503	!-- Determine building height level index.
1504	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
1505	!
1506	!-- (SOME OF THE FOLLOWING (not time-dependent) COULD PROBABLY GO INTO A FUNCTION
1507	!-- EXCEPT facade_element_area, EVERYTHING IS CALCULATED EQUALLY)
1508	!-- Building geometries --> not time-dependent
1509	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk+1) !< [m2] surface area per facade element
1510	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk+1) !< [m2] surface area per facade element
1511
1512	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
1513	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
1514	buildings(nb)%area_facade = facade_element_area * &
1515	( buildings(nb)%num_facades_per_building_h + &
1516	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
1517	window_area_per_facade = surf_usm_v(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per
1518	!< facade element
1519
1520	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
1521	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
1522	!< pointing to zone Eq. (9) according to section 7.2.2.2
1523	a_m = buildings(nb)%factor_a * total_area * &
1524	( facade_element_area / buildings(nb)%area_facade ) * &
1525	buildings(nb)%lambda_at !< [m2] standard values
1526	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1527	c_m = buildings(nb)%factor_c * total_area * &
1528	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
1529	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1530	!
1531	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1532	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
1533
1534	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
1535	!< (m2 K) between surface and air, Eq. (9)
1536	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
1537	!< (m2 K) between component and surface, Eq. (64)
1538	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
1539	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
1540	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
1541	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
1542	!
1543	!-- Internal air loads dependent on the occupacy of the room.
1544	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy
1545	!-- (qint_high) (0,5*phi_int)
1546	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1547	* floor_area_per_facade )
1548	q_int = phi_ia
1549
1550	!
1551	!-- Airflow dependent on the occupacy of the room.
1552	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy
1553	!-- (air_change_high)
1554	air_change = ( buildings(nb)%air_change_high * schedule_d + &
1555	buildings(nb)%air_change_low )
1556	!
1557	!-- Heat transfer of ventilation.
1558	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
1559	!-- capacity of air 0.33 Wh/m2K
1560	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1561	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789
1562	!< Eq.(10)
1563
1564	!-- Heat transfer coefficient auxiliary variables
1565	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
1566	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
1567	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
1568	!
1569	!-- Net short-wave radiation through window area (was i_global)
1570	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
1571	!
1572	!-- Quantities needed for im_calc_temperatures
1573	i = surf_usm_v(l)%i(m)
1574	j = surf_usm_v(l)%j(m)
1575	k = surf_usm_v(l)%k(m)
1576	near_facade_temperature = surf_usm_v(l)%pt_10cm(m)
1577	indoor_wall_window_temperature = &
1578	surf_usm_v(l)%frac(m,ind_veg_wall) * t_wall_v(l)%val(nzt_wall,m) &
1579	+ surf_usm_v(l)%frac(m,ind_wat_win) * t_window_v(l)%val(nzt_wall,m)
1580	indoor_wall_temperature = surf_usm_v(l)%frac(m,ind_veg_wall) * t_wall_v(l)%val(nzt_wall,m)
1581
1582	!
1583	!-- Solar thermal gains. If net_sw_in larger than sun-protection
1584	!-- threshold parameter (params_solar_protection), sun protection will
1585	!-- be activated
1586	IF ( net_sw_in <= params_solar_protection ) THEN
1587	solar_protection_off = 1
1588	solar_protection_on = 0
1589	ELSE
1590	solar_protection_off = 0
1591	solar_protection_on = 1
1592	ENDIF
1593	!
1594	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
1595	!-- automatic sun protection.
1596	!-- DIN 4108 - 2 chap.8
1597	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1598	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
1599	solar_protection_on ) &
1600	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
1601	q_sol = phi_sol
1602	!
1603	!-- Calculation of the mass specific thermal load for internal and external heatsources.
1604	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
1605	q_c_m = phi_m
1606	!
1607	!-- Calculation mass specific thermal load implied non thermal mass.
1608	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
1609	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
1610	!< phi_ia=0,5*phi_int
1611	q_c_st = phi_st
1612	!
1613	!-- Calculations for deriving indoor temperature and heat flux into the wall.
1614	!-- Step 1: indoor temperature without heating and cooling.
1615	!-- section C.4.1 Picture C.2 zone 3)
1616	phi_hc_nd = 0.0_wp
1617	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1618	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1619	!
1620	!-- If air temperature between border temperatures of heating and cooling, assign output
1621	!-- variable, then ready.
1622	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
1623	theta_air <= buildings(nb)%theta_int_c_set ) THEN
1624	phi_hc_nd_ac = 0.0_wp
1625	phi_hc_nd = phi_hc_nd_ac
1626	theta_air_ac = theta_air
1627	!
1628	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1629	!-- again.
1630	ELSE
1631	!
1632	!-- Temperature not correct, calculation method according to section C4.2
1633	theta_air_0 = theta_air !< Note temperature without heating/cooling
1634	!
1635	!-- Heating or cooling?
1636	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
1637	theta_air_set = buildings(nb)%theta_int_c_set
1638	ELSE
1639	theta_air_set = buildings(nb)%theta_int_h_set
1640	ENDIF
1641
1642	!-- Calculate the temperature with phi_hc_nd_10
1643	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1644	phi_hc_nd = phi_hc_nd_10
1645
1646	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1647	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1648
1649	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
1650
1651	phi_hc_nd_un = phi_hc_nd_10 * ( theta_air_set - theta_air_0 ) &
1652	/ ( theta_air_10 - theta_air_0 ) !< Eq. (C.13)
1653	!
1654	!-- Step 3: with temperature ratio to determine the heating or cooling capacity
1655	!-- If necessary, limit the power to maximum power.
1656	!-- section C.4.1 Picture C.2 zone 2) and 4)
1657	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
1658	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
1659	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
1660	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1661	phi_hc_nd_ac = phi_hc_nd_un
1662	phi_hc_nd = phi_hc_nd_un
1663	ELSE
1664	!
1665	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
1666	!-- (phi_hc_nd_un negative)
1667	!-- section C.4.1 Picture C.2 zone 1) and 5)
1668	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1669	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1670	ELSE
1671	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1672	ENDIF
1673	ENDIF
1674	phi_hc_nd = phi_hc_nd_ac
1675	!
1676	!-- Calculate the temperature with phi_hc_nd_ac (new)
1677	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1678	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1679	theta_air_ac = theta_air
1680	ENDIF
1681	!
1682	!-- Update theta_m_t_prev
1683	buildings(nb)%theta_m_t_prev_v(fa) = theta_m_t
1684
1685
1686	q_vent = h_v * ( theta_air - near_facade_temperature )
1687	!
1688	!-- Calculate the operating temperature with weighted mean of temperature of air and mean.
1689	!-- Will be used for thermal comfort calculations.
1690	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s
1691
1692	! surf_usm_v(l)%t_indoor(m) = theta_op !< not integrated yet
1693	!
1694	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1695	!-- calculate heat transfer through wall layers towards the facade
1696	IF ( (facade_element_area - window_area_per_facade) > 0.0_wp ) THEN
1697	q_wall = h_t_wm * ( indoor_wall_temperature - theta_m ) &
1698	/ ( facade_element_area - window_area_per_facade )
1699	ELSE
1700	q_wall = 0.0_wp
1701	ENDIF
1702
1703	IF ( window_area_per_facade > 0.0_wp ) THEN
1704	q_win = h_t_es * ( pt(k,j,i) - theta_s ) / ( window_area_per_facade )
1705	ELSE
1706	q_win = 0.0_wp
1707	ENDIF
1708
1709	!
1710	!-- Transfer q_wall & q_win back to USM (innermost wall/window layer)
1711	surf_usm_v(l)%iwghf_eb(m) = - q_wall
1712	surf_usm_v(l)%iwghf_eb_window(m) = - q_win
1713	!
1714	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
1715	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
1716	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1717	!
1718	!-- Calculation of waste heat.
1719	!-- Anthropogenic heat output.
1720	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1721	heating_on = 1
1722	cooling_on = 0
1723	ELSE
1724	heating_on = 0
1725	cooling_on = -1
1726	ENDIF
1727
1728	q_waste_heat = ( phi_hc_nd * ( buildings(nb)%params_waste_heat_h * heating_on + &
1729	buildings(nb)%params_waste_heat_c * cooling_on ) &
1730	) / facade_element_area !< [W/m2] , observe the directional convention in
1731	!< PALM!
1732	surf_usm_v(l)%waste_heat(m) = q_waste_heat
1733	ENDDO !< Vertical surfaces loop
1734	ENDIF !< buildings(nb)%on_pe
1735	ENDDO !< buildings loop
1736
1737	!
1738	!-- Determine the mean building temperature.
1739	DO nb = 1, num_build
1740	!
1741	!-- Allocate dummy array used for summing-up facade elements.
1742	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
1743	!-- allocated on all PEs.
1744	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1745	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1746	t_in_l_send = 0.0_wp
1747	t_in_recv = 0.0_wp
1748
1749	IF ( buildings(nb)%on_pe ) THEN
1750	t_in_l_send = buildings(nb)%t_in_l
1751	ENDIF
1752
1753
1754	#if defined( __parallel )
1755	CALL MPI_ALLREDUCE( t_in_l_send, &
1756	t_in_recv, &
1757	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
1758	MPI_REAL, &
1759	MPI_SUM, &
1760	comm2d, &
1761	ierr )
1762
1763	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = t_in_recv
1764	#else
1765	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = buildings(nb)%t_in_l
1766	#endif
1767
1768	IF ( ALLOCATED( buildings(nb)%t_in ) ) THEN
1769	!
1770	!-- Average indoor temperature. Note, in case a building is completely surrounded by higher
1771	!-- buildings, it may have no facade elements at some height levels, which will lead to a
1772	!-- division by zero.
1773	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
1774	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) > 0 ) THEN
1775	buildings(nb)%t_in(k) = buildings(nb)%t_in(k) / &
1776	REAL( buildings(nb)%num_facade_h(k) + &
1777	buildings(nb)%num_facade_v(k), KIND = wp )
1778	ENDIF
1779	ENDDO
1780	!
1781	!-- If indoor temperature is not defined because of missing facade elements, the values from
1782	!-- the above-lying level will be taken.
1783	!-- At least at the top of the buildings facades are defined, so that at least there an indoor
1784	!-- temperature is defined. This information will propagate downwards the building.
1785	DO k = buildings(nb)%kb_max-1, buildings(nb)%kb_min, -1
1786	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) <= 0 ) THEN
1787	buildings(nb)%t_in(k) = buildings(nb)%t_in(k+1)
1788	ENDIF
1789	ENDDO
1790	ENDIF
1791
1792
1793	!
1794	!-- Deallocate dummy arrays
1795	DEALLOCATE( t_in_l_send )
1796	DEALLOCATE( t_in_recv )
1797
1798	ENDDO
1799
1800	END SUBROUTINE im_main_heatcool
1801
1802
1803	!--------------------------------------------------------------------------------------------------!
1804	! Description:
1805	!-------------
1806	!> Check data output for plant canopy model
1807	!--------------------------------------------------------------------------------------------------!
1808	SUBROUTINE im_check_data_output( var, unit )
1809
1810	CHARACTER (LEN=*) :: unit !<
1811	CHARACTER (LEN=*) :: var !<
1812
1813	SELECT CASE ( TRIM( var ) )
1814
1815
1816	CASE ( 'im_hf_roof')
1817	unit = 'W m-2'
1818
1819	CASE ( 'im_hf_wall_win' )
1820	unit = 'W m-2'
1821
1822	CASE ( 'im_hf_wall_win_waste' )
1823	unit = 'W m-2'
1824
1825	CASE ( 'im_hf_roof_waste' )
1826	unit = 'W m-2'
1827
1828	CASE ( 'im_t_indoor_mean' )
1829	unit = 'K'
1830
1831	CASE ( 'im_t_indoor_roof' )
1832	unit = 'K'
1833
1834	CASE ( 'im_t_indoor_wall_win' )
1835	unit = 'K'
1836
1837	CASE ( 'im_t_indoor_wall' )
1838	unit = 'K'
1839
1840	CASE DEFAULT
1841	unit = 'illegal'
1842
1843	END SELECT
1844
1845	END SUBROUTINE
1846
1847
1848	!--------------------------------------------------------------------------------------------------!
1849	! Description:
1850	!-------------
1851	!> Check parameters routine for plant canopy model
1852	!--------------------------------------------------------------------------------------------------!
1853	SUBROUTINE im_check_parameters
1854
1855	! USE control_parameters,
1856	! ONLY: message_string
1857
1858	END SUBROUTINE im_check_parameters
1859
1860
1861	!--------------------------------------------------------------------------------------------------!
1862	! Description:
1863	!-------------
1864	!> Subroutine defining appropriate grid for netcdf variables.
1865	!> It is called from subroutine netcdf.
1866	!--------------------------------------------------------------------------------------------------!
1867	SUBROUTINE im_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
1868
1869	CHARACTER (LEN=*), INTENT(OUT) :: grid_x
1870	CHARACTER (LEN=*), INTENT(OUT) :: grid_y
1871	CHARACTER (LEN=*), INTENT(OUT) :: grid_z
1872	CHARACTER (LEN=*), INTENT(IN) :: var
1873
1874	LOGICAL, INTENT(OUT) :: found
1875
1876
1877	found = .TRUE.
1878	!
1879	!-- Check for the grid
1880	SELECT CASE ( TRIM( var ) )
1881
1882	CASE ( 'im_hf_roof', 'im_hf_roof_waste' )
1883	grid_x = 'x'
1884	grid_y = 'y'
1885	grid_z = 'zw'
1886	!
1887	!-- Heat fluxes at vertical walls are actually defined on stagged grid, i.e. xu, yv.
1888	CASE ( 'im_hf_wall_win', 'im_hf_wall_win_waste' )
1889	grid_x = 'x'
1890	grid_y = 'y'
1891	grid_z = 'zu'
1892
1893	CASE ( 'im_t_indoor_mean', 'im_t_indoor_roof', 'im_t_indoor_wall_win', 'indoor_wall' )
1894	grid_x = 'x'
1895	grid_y = 'y'
1896	grid_z = 'zw'
1897
1898	CASE DEFAULT
1899	found = .FALSE.
1900	grid_x = 'none'
1901	grid_y = 'none'
1902	grid_z = 'none'
1903	END SELECT
1904
1905	END SUBROUTINE im_define_netcdf_grid
1906
1907
1908	!--------------------------------------------------------------------------------------------------!
1909	! Description:
1910	! ------------
1911	!> Subroutine defining 3D output variables
1912	!--------------------------------------------------------------------------------------------------!
1913	SUBROUTINE im_data_output_3d( av, variable, found, local_pf, fill_value, nzb_do, nzt_do )
1914
1915	USE indices
1916
1917	USE kinds
1918
1919	CHARACTER (LEN=*) :: variable !<
1920
1921	INTEGER(iwp) :: av !<
1922	INTEGER(iwp) :: i !<
1923	INTEGER(iwp) :: j !<
1924	INTEGER(iwp) :: k !<
1925	INTEGER(iwp) :: l !<
1926	INTEGER(iwp) :: m !<
1927	INTEGER(iwp) :: nb !< index of the building in the building data structure
1928	INTEGER(iwp) :: nzb_do !< lower limit of the data output (usually 0)
1929	INTEGER(iwp) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d)
1930
1931	LOGICAL :: found !<
1932
1933	REAL(wp), INTENT(IN) :: fill_value !< value for the _FillValue attribute
1934
1935	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !<
1936
1937	local_pf = fill_value
1938
1939	found = .TRUE.
1940
1941	SELECT CASE ( TRIM( variable ) )
1942	!
1943	!-- Output of indoor temperature. All grid points within the building are filled with values,
1944	!-- while atmospheric grid points are set to _FillValues.
1945	CASE ( 'im_t_indoor_mean' )
1946	IF ( av == 0 ) THEN
1947	DO i = nxl, nxr
1948	DO j = nys, nyn
1949	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
1950	!
1951	!-- Determine index of the building within the building data structure.
1952	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1953	IF ( buildings(nb)%on_pe ) THEN
1954	!
1955	!-- Write mean building temperature onto output array. Please note, in
1956	!-- contrast to many other loops in the output, the vertical bounds are
1957	!-- determined by the lowest and hightest vertical index occupied by the
1958	!-- building.
1959	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
1960	local_pf(i,j,k) = buildings(nb)%t_in(k)
1961	ENDDO
1962	ENDIF
1963	ENDIF
1964	ENDDO
1965	ENDDO
1966	ENDIF
1967
1968	CASE ( 'im_hf_roof' )
1969	IF ( av == 0 ) THEN
1970	DO m = 1, surf_usm_h(0)%ns
1971	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
1972	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
1973	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
1974	local_pf(i,j,k) = surf_usm_h(0)%iwghf_eb(m)
1975	ENDDO
1976	ENDIF
1977
1978	CASE ( 'im_hf_roof_waste' )
1979	IF ( av == 0 ) THEN
1980	DO m = 1, surf_usm_h(0)%ns
1981	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
1982	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
1983	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
1984	local_pf(i,j,k) = surf_usm_h(0)%waste_heat(m)
1985	ENDDO
1986	ENDIF
1987
1988	CASE ( 'im_hf_wall_win' )
1989	IF ( av == 0 ) THEN
1990	DO l = 0, 3
1991	DO m = 1, surf_usm_v(l)%ns
1992	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
1993	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
1994	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
1995	local_pf(i,j,k) = surf_usm_v(l)%iwghf_eb(m)
1996	ENDDO
1997	ENDDO
1998	ENDIF
1999
2000	CASE ( 'im_hf_wall_win_waste' )
2001	IF ( av == 0 ) THEN
2002	DO l = 0, 3
2003	DO m = 1, surf_usm_v(l)%ns
2004	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
2005	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
2006	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
2007	local_pf(i,j,k) = surf_usm_v(l)%waste_heat(m)
2008	ENDDO
2009	ENDDO
2010	ENDIF
2011
2012	!
2013	!< NOTE im_t_indoor_roof and im_t_indoor_wall_win not work yet
2014
2015	! CASE ( 'im_t_indoor_roof' )
2016	! IF ( av == 0 ) THEN
2017	! DO m = 1, surf_usm_h%ns
2018	! i = surf_usm_h%i(m) !+ surf_usm_h%ioff
2019	! j = surf_usm_h%j(m) !+ surf_usm_h%joff
2020	! k = surf_usm_h%k(m) !+ surf_usm_h%koff
2021	! local_pf(i,j,k) = surf_usm_h%t_indoor(m)
2022	! ENDDO
2023	! ENDIF
2024	!
2025	! CASE ( 'im_t_indoor_wall_win' )
2026	! IF ( av == 0 ) THEN
2027	! DO l = 0, 3
2028	! DO m = 1, surf_usm_v(l)%ns
2029	! i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
2030	! j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
2031	! k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
2032	! local_pf(i,j,k) = surf_usm_v(l)%t_indoor(m)
2033	! ENDDO
2034	! ENDDO
2035	! ENDIF
2036
2037	CASE DEFAULT
2038	found = .FALSE.
2039
2040	END SELECT
2041
2042	END SUBROUTINE im_data_output_3d
2043
2044
2045	!--------------------------------------------------------------------------------------------------!
2046	! Description:
2047	! ------------
2048	!> Parin for &indoor_parameters for indoor model
2049	!--------------------------------------------------------------------------------------------------!
2050	SUBROUTINE im_parin
2051
2052	USE control_parameters, &
2053	ONLY: indoor_model
2054
2055
2056	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
2057
2058	NAMELIST /indoor_parameters/ initial_indoor_temperature
2059
2060
2061	!
2062	!-- Try to find indoor model package
2063	REWIND ( 11 )
2064	line = ' '
2065	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
2066	READ ( 11, '(A)', END=10 ) line
2067	ENDDO
2068	BACKSPACE ( 11 )
2069
2070	!
2071	!-- Read user-defined namelist
2072	READ ( 11, indoor_parameters )
2073	!
2074	!-- Set flag that indicates that the indoor model is switched on
2075	indoor_model = .TRUE.
2076
2077	!
2078	!-- Activate spinup (maybe later
2079	! IF ( spinup_time > 0.0_wp ) THEN
2080	! coupling_start_time = spinup_time
2081	! end_time = end_time + spinup_time
2082	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
2083	! spinup_pt_mean = pt_surface
2084	! ENDIF
2085	! spinup = .TRUE.
2086	! ENDIF
2087
2088	10 CONTINUE
2089
2090	END SUBROUTINE im_parin
2091
2092
2093	END MODULE indoor_model_mod

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