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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 4734

Last change on this file since 4734 was 4730, checked in by suehring, 4 years ago
Indoor model: bugfix - avoid divisions by zero
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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 4730 2020-10-07 10:48:51Z suehring $
27	! Bugfix - avoid divisions by zero
28	!
29	! 4709 2020-09-28 19:20:00Z maronga
30	! Bugfix: avoid division by zero in case of zero window fraction (now also for vertical walls).
31	! Reactivated waste heat.
32	!
33	! 4704 2020-09-28 10:13:03Z maronga
34	! Bugfix: avoid division by zero in case of zero window fraction
35	!
36	! 4702 2020-09-27 18:39:00Z maronga
37	! Removed unused variable indoor_wall_window_temperature
38	!
39	! 4701 2020-09-27 11:02:15Z maronga
40	! Heat transfer for wall and windows back to USM separated into q_wall and q_win (instead q_wall_win).
41	! Heat flow direction revised (heat flow positive from outside to inside).
42	! New variable indoor_wall_temperature (for q_wall).
43	! Removed unused quantity q_trans.
44	!
45	! 4698 2020-09-25 08:37:55Z maronga
46	! Fixed faulty characters
47	!
48	! 4687 2020-09-21 19:40:16Z maronga
49	! Bugfix: values of theta_m_t_prev were not stored for individual surfaces and thus re-used by all
50	! surfaces and buildings, which led to excessive indoor temperatures
51	!
52	! 4681 2020-09-16 10:23:06Z pavelkrc
53	! Bugfix for implementation of downward surfaces
54	!
55	! 4671 2020-09-09 20:27:58Z pavelkrc
56	! Implementation of downward facing USM and LSM surfaces
57	!
58	! 4646 2020-08-24 16:02:40Z raasch
59	! file re-formatted to follow the PALM coding standard
60	!
61	! 4481 2020-03-31 18:55:54Z maronga
62	! Change order of dimension in surface array %frac to allow for better vectorization.
63	!
64	! 4441 2020-03-04 19:20:35Z suehring
65	! Major bugfix in calculation of energy demand - floor-area-per-facade was wrongly calculated
66	! leading to unrealistically high energy demands and thus to unreallistically high waste-heat
67	! fluxes.
68	!
69	! 4346 2019-12-18 11:55:56Z motisi
70	! Introduction of wall_flags_total_0, which currently sets bits based on static topography
71	! information used in wall_flags_static_0
72	!
73	! 4329 2019-12-10 15:46:36Z motisi
74	! Renamed wall_flags_0 to wall_flags_static_0
75	!
76	! 4310 2019-11-26 19:01:28Z suehring
77	! Remove dt_indoor from namelist input. The indoor model is an hourly-based model, calling it
78	! more/less often lead to inaccurate results.
79	!
80	! 4299 2019-11-22 10:13:38Z suehring
81	! Output of indoor temperature revised (to avoid non-defined values within buildings)
82	!
83	! 4267 2019-10-16 18:58:49Z suehring
84	! Bugfix in initialization, some indices to access building_pars where wrong.
85	! Introduction of seasonal parameters.
86	!
87	! 4246 2019-09-30 09:27:52Z pavelkrc
88	!
89	!
90	! 4242 2019-09-27 12:59:10Z suehring
91	! Bugfix in array index
92	!
93	! 4238 2019-09-25 16:06:01Z suehring
94	! - Bugfix in determination of minimum facade height and in location message
95	! - Bugfix, avoid division by zero
96	! - Some optimization
97	!
98	! 4227 2019-09-10 18:04:34Z gronemeier
99	! implement new palm_date_time_mod
100	!
101	! 4217 2019-09-04 09:47:05Z scharf
102	! Corrected "Former revisions" section
103	!
104	! 4209 2019-09-02 12:00:03Z suehring
105	! - Bugfix in initialization of indoor temperature
106	! - Prescibe default indoor temperature in case it is not given in the namelist input
107	!
108	! 4182 2019-08-21 14:37:54Z scharf
109	! Corrected "Former revisions" section
110	!
111	! 4148 2019-08-08 11:26:00Z suehring
112	! Bugfix in case of non grid-resolved buildings. Further, vertical grid spacing is now considered at
113	! the correct level.
114	! - change calculation of a_m and c_m
115	! - change calculation of u-values (use h_es in building array)
116	! - rename h_tr_... to h_t_...
117	! h_tr_em to h_t_wm
118	! h_tr_op to h_t_wall
119	! h_tr_w to h_t_es
120	! - rename h_ve to h_v
121	! - rename h_is to h_ms
122	! - inserted net_floor_area
123	! - inserted params_waste_heat_h, params_waste_heat_c from building database
124	! in building array
125	! - change calculation of q_waste_heat
126	! - bugfix in averaging mean indoor temperature
127	!
128	! 3759 2019-02-21 15:53:45Z suehring
129	! - Calculation of total building volume
130	! - Several bugfixes
131	! - Calculation of building height revised
132	!
133	! 3745 2019-02-15 18:57:56Z suehring
134	! - remove building_type from module
135	! - initialize parameters for each building individually instead of a bulk initializaion with
136	! identical building type for all
137	! - output revised
138	! - add missing _wp
139	! - some restructuring of variables in building data structure
140	!
141	! 3744 2019-02-15 18:38:58Z suehring
142	! Some interface calls moved to module_interface + cleanup
143	!
144	! 3469 2018-10-30 20:05:07Z kanani
145	! Initial revision (tlang, suehring, kanani, srissman)!
146	!
147	! Authors:
148	! --------
149	! @author Tobias Lang
150	! @author Jens Pfafferott
151	! @author Farah Kanani-Suehring
152	! @author Matthias Suehring
153	! @author Sascha Rissmann
154	! @author Bjoern Maronga
155	!
156	!
157	! Description:
158	! ------------
159	!> Module for Indoor Climate Model (ICM)
160	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
161	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
162	!> This module differs between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine
163	!> thermal comfort
164	!> the heat transfer between indoor and outdoor is simplified
165
166	!> @todo Many statement comments that are given as doxygen comments need to be changed to normal comments
167	!> @todo Replace window_area_per_facade by %frac(1,m) for window
168	!> @todo emissivity change for window blinds if solar_protection_on=1
169
170	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
171	!> @note How to write indoor temperature output to pt array?
172	!>
173	!> @bug Calculation of iwghf_eb and iwghf_eb_window is faulty
174	!--------------------------------------------------------------------------------------------------!
175	MODULE indoor_model_mod
176
177	USE arrays_3d, &
178	ONLY: ddzw, &
179	dzw, &
180	pt
181
182	USE control_parameters, &
183	ONLY: initializing_actions
184
185	USE kinds
186
187	USE netcdf_data_input_mod, &
188	ONLY: building_id_f, building_type_f
189
190	USE palm_date_time_mod, &
191	ONLY: get_date_time, northward_equinox, seconds_per_hour, southward_equinox
192
193	USE surface_mod, &
194	ONLY: surf_usm_h, surf_usm_v
195
196
197	IMPLICIT NONE
198
199	!
200	!-- Define data structure for buidlings.
201	TYPE build
202
203	INTEGER(iwp) :: id !< building ID
204	INTEGER(iwp) :: kb_max !< highest vertical index of a building
205	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
206	INTEGER(iwp) :: num_facades_per_building_h = 0 !< total number of horizontal facades elements
207	INTEGER(iwp) :: num_facades_per_building_h_l = 0 !< number of horizontal facade elements on local subdomain
208	INTEGER(iwp) :: num_facades_per_building_v = 0 !< total number of vertical facades elements
209	INTEGER(iwp) :: num_facades_per_building_v_l = 0 !< number of vertical facade elements on local subdomain
210	INTEGER(iwp) :: ventilation_int_loads !< [-] allocation of activity in the building
211
212	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_h !< index array linking surface-element orientation index
213	!< for horizontal surfaces with building
214	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
215	!< for vertical surfaces with building
216	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
217	!< horizontal surfaces with building
218	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
219	!< vertical surfaces with building
220	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
221	!< and height level
222	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
223	!< and height level
224
225
226	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
227
228	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
229	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
230	REAL(wp) :: area_facade !< [m2] area of total facade
231	REAL(wp) :: building_height !< building height
232	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
233	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5
234	!< (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
235	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000
236	!< (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
237	REAL(wp) :: f_c_win !< [-] shading factor
238	REAL(wp) :: fapf !< [m2/m2] floor area per facade
239	REAL(wp) :: g_value_win !< [-] SHGC factor
240	REAL(wp) :: h_es !< [W/(m2 K)] surface-related heat transfer coefficient between extern and surface
241	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
242	REAL(wp) :: height_storey !< [m] storey heigth
243	REAL(wp) :: params_waste_heat_c !< [-] anthropogenic heat outputs for cooling e.g. 1.33 for KKM with COP = 3
244	REAL(wp) :: params_waste_heat_h !< [-] anthropogenic heat outputs for heating e.g. 1 - 0.9 = 0.1 for combustion with
245	!< eta = 0.9 or -2 for WP with COP = 3
246	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
247	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (positive)
248	REAL(wp) :: q_c_max !< [W/m2] Max. Cooling heat flux per netto floor area (negative)
249	REAL(wp) :: q_h_max !< [W/m2] Max. Heating heat flux per netto floor area (positive)
250	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
251	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
252	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
253	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
254	REAL(wp) :: net_floor_area !< [m2] netto ground area
255	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
256	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
257	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
258	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
259	REAL(wp) :: vol_tot !< [m3] total building volume
260
261	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
262	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
263	REAL(wp), DIMENSION(:), ALLOCATABLE :: theta_m_t_prev_h !< [degree_C] value of theta_m_t from previous time step (horizontal)
264	REAL(wp), DIMENSION(:), ALLOCATABLE :: theta_m_t_prev_v !< [degree_C] value of theta_m_t from previous time step (vertical)
265	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
266	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
267	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
268
269	END TYPE build
270
271	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
272
273	INTEGER(iwp) :: num_build !< total number of buildings in domain
274	!
275	!-- Declare all global variables within the module
276
277	REAL(wp), PARAMETER :: dt_indoor = 3600.0_wp !< [s] time interval for indoor-model application, fixed to
278	!< 3600.0 due to model requirements
279	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
280	!< surface and air (chap. 7.2.2.2)
281	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/(m2 K)] surface-related heat transfer coefficient between
282	!< component and surface (chap. 12.2.2)
283	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly
284	!< cooling 2.0_wp
285	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall
286	!< DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
287	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus
288	!< Datenbank 27 window_area_per_facade_percent
289	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation
290	!< on facade exceeds this value
291
292	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
293	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
294	INTEGER(iwp) :: solar_protection_off !< Solar protection off
295	INTEGER(iwp) :: solar_protection_on !< Solar protection on
296
297
298	REAL(wp) :: a_m !< [m2] the effective mass-related area
299	REAL(wp) :: air_change !< [1/h] Airflow
300	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
301	REAL(wp) :: facade_element_area !< [m2_facade] building surface facade
302	REAL(wp) :: floor_area_per_facade !< [m2/m2] floor area per facade area
303	REAL(wp) :: h_t_1 !< [W/K] Heat transfer coefficient auxiliary variable 1
304	REAL(wp) :: h_t_2 !< [W/K] Heat transfer coefficient auxiliary variable 2
305	REAL(wp) :: h_t_3 !< [W/K] Heat transfer coefficient auxiliary variable 3
306	REAL(wp) :: h_t_es !< [W/K] heat transfer coefficient of doors, windows, curtain walls and
307	!< glazed walls (assumption: thermal mass=0)
308	REAL(wp) :: h_t_is !< [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
309	REAL(wp) :: h_t_ms !< [W/K] Heat transfer conductance term (got with h_t_wm the thermal mass)
310	REAL(wp) :: h_t_wall !< [W/K] heat transfer coefficient of opaque components (assumption: got all
311	!< thermal mass) contains of h_t_wm and h_t_ms
312	REAL(wp) :: h_t_wm !< [W/K] Heat transfer coefficient of the emmision (got with h_t_ms the
313	!< thermal mass)
314	REAL(wp) :: h_v !< [W/K] heat transfer of ventilation
315	REAL(wp) :: indoor_volume_per_facade !< [m3] indoor air volume per facade element
316	REAL(wp) :: initial_indoor_temperature = 293.15 !< [K] initial indoor temperature (namelist parameter)
317	REAL(wp) :: net_sw_in !< [W/m2] net short-wave radiation
318	REAL(wp) :: phi_hc_nd !< [W] heating demand and/or cooling demand
319	REAL(wp) :: phi_hc_nd_10 !< [W] heating demand and/or cooling demand for heating or cooling
320	REAL(wp) :: phi_hc_nd_ac !< [W] actual heating demand and/or cooling demand
321	REAL(wp) :: phi_hc_nd_un !< [W] unlimited heating demand and/or cooling demand which is necessary to
322	!< reach the demanded required temperature (heating is positive,
323	!< cooling is negative)
324	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
325	REAL(wp) :: phi_m !< [W] mass specific thermal load (internal and external)
326	REAL(wp) :: phi_mtot !< [W] total mass specific thermal load (internal and external)
327	REAL(wp) :: phi_sol !< [W] solar loads
328	REAL(wp) :: phi_st !< [W] mass specific thermal load implied non thermal mass
329	REAL(wp) :: q_wall !< [W/m2]heat flux from indoor into wall
330	REAL(wp) :: q_win !< [W/m2]heat flux from indoor into window
331	REAL(wp) :: q_waste_heat !< [W/m2]waste heat, sum of waste heat over the roof to Palm
332
333	REAL(wp) :: q_c_m !< [W] Energy of thermal storage mass specific thermal load for internal
334	!< and external heatsources (for energy bilanz)
335	REAL(wp) :: q_c_st !< [W] Energy of thermal storage mass specific thermal load implied non
336	!< thermal mass (for energy bilanz)
337	REAL(wp) :: q_int !< [W] Energy of internal air load (for energy bilanz)
338	REAL(wp) :: q_sol !< [W] Energy of solar (for energy bilanz)
339	REAL(wp) :: q_vent !< [W] Energy of ventilation (for energy bilanz)
340
341	REAL(wp) :: schedule_d !< [-] activation for internal loads (low or high + low)
342	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
343	REAL(wp) :: theta_air !< [degree_C] air temperature of the RC-node
344	REAL(wp) :: theta_air_0 !< [degree_C] air temperature of the RC-node in equilibrium
345	REAL(wp) :: theta_air_10 !< [degree_C] air temperature of the RC-node from a heating capacity
346	!< of 10 W/m2
347	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
348	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
349	REAL(wp) :: theta_m !< [degree_C} inner temperature of the RC-node
350	REAL(wp) :: theta_m_t !< [degree_C] (Fictive) component temperature during timestep
351	REAL(wp) :: theta_op !< [degree_C] operative temperature
352	REAL(wp) :: theta_s !< [degree_C] surface temperature of the RC-node
353	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
354	REAL(wp) :: total_area !< [m2] area of all surfaces pointing to zone
355	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
356
357	!
358	!-- Definition of seasonal parameters, summer and winter, for different building types
359	REAL(wp), DIMENSION(0:1,1:7) :: summer_pars = RESHAPE( (/ & ! building_type 1
360	0.5_wp, & ! basical airflow without occupancy of the room
361	2.0_wp, & ! additional airflow depend of occupancy of the room
362	0.5_wp, & ! building_type 2: basical airflow without occupancy
363	! of the room
364	2.0_wp, & ! additional airflow depend of occupancy of the room
365	0.8_wp, & ! building_type 3: basical airflow without occupancy
366	! of the room
367	2.0_wp, & ! additional airflow depend of occupancy of the room
368	0.1_wp, & ! building_type 4: 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 5: 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 6: basical airflow without occupancy
375	! of the room
376	1.5_wp, & ! additional airflow depend of occupancy of the room
377	0.1_wp, & ! building_type 7: basical airflow without occupancy
378	! of the room
379	1.5_wp & ! additional airflow depend of occupancy of the room
380	/), (/ 2, 7 /) )
381
382	REAL(wp), DIMENSION(0:1,1:7) :: winter_pars = RESHAPE( (/ & ! building_type 1
383	0.1_wp, & ! basical airflow without occupancy of the room
384	0.5_wp, & ! additional airflow depend of occupancy of the room
385	0.1_wp, & ! building_type 2: 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 3: basical airflow without occupancy
389	! of the room
390	0.5_wp, & ! additional airflow depend of occupancy of the room
391	0.1_wp, & ! building_type 4: 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 5: 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 6: basical airflow without occupancy
398	! of the room
399	1.5_wp, & ! additional airflow depend of occupancy of the room
400	0.1_wp, & ! building_type 7: basical airflow without occupancy
401	! of the room
402	1.5_wp & ! additional airflow depend of occupancy of the room
403	/), (/ 2, 7 /) )
404
405	SAVE
406
407
408	PRIVATE
409
410	!
411	!-- Add INTERFACES that must be available to other modules
412	PUBLIC im_init, im_main_heatcool, im_parin, im_define_netcdf_grid, im_check_data_output, &
413	im_data_output_3d, im_check_parameters
414
415
416	!
417	!-- Add VARIABLES that must be available to other modules
418	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
419
420	!
421	!-- PALM interfaces:
422	!-- Data output checks for 2D/3D data to be done in check_parameters
423	INTERFACE im_check_data_output
424	MODULE PROCEDURE im_check_data_output
425	END INTERFACE im_check_data_output
426	!
427	!-- Input parameter checks to be done in check_parameters
428	INTERFACE im_check_parameters
429	MODULE PROCEDURE im_check_parameters
430	END INTERFACE im_check_parameters
431	!
432	!-- Data output of 3D data
433	INTERFACE im_data_output_3d
434	MODULE PROCEDURE im_data_output_3d
435	END INTERFACE im_data_output_3d
436
437	!
438	!-- Definition of data output quantities
439	INTERFACE im_define_netcdf_grid
440	MODULE PROCEDURE im_define_netcdf_grid
441	END INTERFACE im_define_netcdf_grid
442	!
443	! !
444	! !-- Output of information to the header file
445	! INTERFACE im_header
446	! MODULE PROCEDURE im_header
447	! END INTERFACE im_header
448	!
449	!-- Calculations for indoor temperatures
450	INTERFACE im_calc_temperatures
451	MODULE PROCEDURE im_calc_temperatures
452	END INTERFACE im_calc_temperatures
453	!
454	!-- Initialization actions
455	INTERFACE im_init
456	MODULE PROCEDURE im_init
457	END INTERFACE im_init
458	!
459	!-- Main part of indoor model
460	INTERFACE im_main_heatcool
461	MODULE PROCEDURE im_main_heatcool
462	END INTERFACE im_main_heatcool
463	!
464	!-- Reading of NAMELIST parameters
465	INTERFACE im_parin
466	MODULE PROCEDURE im_parin
467	END INTERFACE im_parin
468
469	CONTAINS
470
471	!--------------------------------------------------------------------------------------------------!
472	! Description:
473	! ------------
474	!< Calculation of the air temperatures and mean radiation temperature.
475	!< This is basis for the operative temperature.
476	!< Based on a Crank-Nicholson scheme with a timestep of a hour.
477	!--------------------------------------------------------------------------------------------------!
478	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
479	near_facade_temperature, phi_hc_nd_dummy, theta_m_t_prev )
480
481	INTEGER(iwp) :: i
482	INTEGER(iwp) :: j
483	INTEGER(iwp) :: k
484
485	REAL(wp) :: indoor_wall_temperature !< temperature of innermost wall layer evtl in im_calc_temperatures einfÃŒgen
486	REAL(wp) :: near_facade_temperature
487	REAL(wp) :: phi_hc_nd_dummy
488	REAL(wp), INTENT(IN) :: theta_m_t_prev
489	!
490	!-- Calculation of total mass specific thermal load (internal and external)
491	phi_mtot = ( phi_m + h_t_wm * indoor_wall_temperature &
492	+ h_t_3 * ( phi_st + h_t_es * pt(k,j,i) &
493	+ h_t_1 * &
494	( ( ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
495	+ near_facade_temperature ) &
496	) / h_t_2 &
497	) !< [degree_C] Eq. (C.5)
498	!
499	!-- Calculation of component temperature at current timestep
500	theta_m_t = ( ( theta_m_t_prev &
501	* ( ( c_m / 3600.0_wp ) - 0.5_wp * ( h_t_3 + h_t_wm ) ) &
502	+ phi_mtot &
503	) &
504	/ ( ( c_m / 3600.0_wp ) + 0.5_wp * ( h_t_3 + h_t_wm ) ) &
505	) !< [degree_C] Eq. (C.4)
506	!
507	!-- Calculation of mean inner temperature for the RC-node in current timestep
508	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5_wp !< [degree_C] Eq. (C.9)
509
510	!
511	!-- Calculation of mean surface temperature of the RC-node in current timestep
512	theta_s = ( ( h_t_ms * theta_m + phi_st + h_t_es * pt(k,j,i) &
513	+ h_t_1 * ( near_facade_temperature &
514	+ ( phi_ia + phi_hc_nd_dummy ) / h_v ) &
515	) &
516	/ ( h_t_ms + h_t_es + h_t_1 ) &
517	) !< [degree_C] Eq. (C.10)
518
519	!
520	!-- Calculation of the air temperature of the RC-node
521
522
523	theta_air = ( h_t_is * theta_s + h_v * near_facade_temperature + phi_ia + phi_hc_nd_dummy ) / &
524	( h_t_is + h_v ) !< [degree_C] Eq. (C.11)
525
526
527	END SUBROUTINE im_calc_temperatures
528
529
530	!--------------------------------------------------------------------------------------------------!
531	! Description:
532	! ------------
533	!> Initialization of the indoor model.
534	!> Static information are calculated here, e.g. building parameters and geometrical information,
535	!> anything that doesn't change in time.
536	!
537	!-- Input values
538	!-- Input datas from Palm, M4
539	! i_global --> net_sw_in !< global radiation [W/m2]
540	! theta_e --> pt(k,j,i) !< undisturbed outside temperature, 1. PALM volume, for windows
541	! theta_sup = theta_f --> surf_usm_h%pt_10cm(m)
542	! surf_usm_v(l)%pt_10cm(m) !< Air temperature, facade near (10cm) air temperature from
543	!< 1. Palm volume
544	! theta_node --> t_wall_h(nzt_wall,m)
545	! t_wall_v(l)%t(nzt_wall,m) !< Temperature of innermost wall layer, for opaque wall
546	!--------------------------------------------------------------------------------------------------!
547	SUBROUTINE im_init
548
549	USE control_parameters, &
550	ONLY: message_string, time_since_reference_point
551
552	USE indices, &
553	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_total_0
554
555	USE grid_variables, &
556	ONLY: dx, dy
557
558	USE pegrid
559
560	USE surface_mod, &
561	ONLY: surf_usm_h, surf_usm_v
562
563	USE urban_surface_mod, &
564	ONLY: building_pars, building_type
565
566	INTEGER(iwp) :: bt !< local building type
567	INTEGER(iwp) :: day_of_year !< day of the year
568	INTEGER(iwp) :: i !< running index along x-direction
569	INTEGER(iwp) :: j !< running index along y-direction
570	INTEGER(iwp) :: k !< running index along z-direction
571	INTEGER(iwp) :: l !< running index for surface-element orientation
572	INTEGER(iwp) :: m !< running index surface elements
573	INTEGER(iwp) :: n !< building index
574	INTEGER(iwp) :: nb !< building index
575
576	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
577	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
578	!< multiple occurences are sorted out
579	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
580	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
581	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
582	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
583	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
584	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
585	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
586	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
587	!< horizontal facade elements
588	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
589	!< vertical facade elements
590	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
591	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
592
593	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
594	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
595
596	REAL(wp) :: u_tmp !< dummy for temporary calculation of u-value without h_is
597	REAL(wp) :: du_tmp !< 1/u_tmp
598	REAL(wp) :: du_win_tmp !< 1/building(nb)%u_value_win
599	REAL(wp) :: facade_area_v !< dummy to compute the total facade area from vertical walls
600
601	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
602	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
603	!< on local subdomain
604
605	CALL location_message( 'initializing indoor model', 'start' )
606	!
607	!-- Initializing of indoor model is only possible if buildings can be distinguished by their IDs.
608	IF ( .NOT. building_id_f%from_file ) THEN
609	message_string = 'Indoor model requires information about building_id'
610	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
611	ENDIF
612	!
613	!-- Determine number of different building IDs on local subdomain.
614	num_buildings_l = 0
615	num_buildings = 0
616	ALLOCATE( build_ids_l(1) )
617	DO i = nxl, nxr
618	DO j = nys, nyn
619	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
620	IF ( num_buildings_l(myid) > 0 ) THEN
621	IF ( ANY( building_id_f%var(j,i) == build_ids_l ) ) THEN
622	CYCLE
623	ELSE
624	num_buildings_l(myid) = num_buildings_l(myid) + 1
625	!
626	!-- Resize array with different local building ids
627	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
628	build_ids_l_tmp = build_ids_l
629	DEALLOCATE( build_ids_l )
630	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
631	build_ids_l(1:num_buildings_l(myid)-1) = &
632	build_ids_l_tmp(1:num_buildings_l(myid)-1)
633	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
634	DEALLOCATE( build_ids_l_tmp )
635	ENDIF
636	!
637	!-- First occuring building id on PE
638	ELSE
639	num_buildings_l(myid) = num_buildings_l(myid) + 1
640	build_ids_l(1) = building_id_f%var(j,i)
641	ENDIF
642	ENDIF
643	ENDDO
644	ENDDO
645	!
646	!-- Determine number of building IDs for the entire domain. (Note, building IDs can appear multiple
647	!-- times as buildings might be distributed over several PEs.)
648	#if defined( __parallel )
649	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, MPI_INTEGER, MPI_SUM, comm2d, &
650	ierr )
651	#else
652	num_buildings = num_buildings_l
653	#endif
654	ALLOCATE( build_ids(1:SUM(num_buildings)) )
655	!
656	!-- Gather building IDs. Therefore, first, determine displacements used required for MPI_GATHERV
657	!-- call.
658	ALLOCATE( displace_dum(0:numprocs-1) )
659	displace_dum(0) = 0
660	DO i = 1, numprocs-1
661	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
662	ENDDO
663
664	#if defined( __parallel )
665	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
666	num_buildings(myid), &
667	MPI_INTEGER, &
668	build_ids, &
669	num_buildings, &
670	displace_dum, &
671	MPI_INTEGER, &
672	comm2d, ierr )
673
674	DEALLOCATE( displace_dum )
675
676	#else
677	build_ids = build_ids_l
678	#endif
679	!
680	!-- Note: in parallel mode, building IDs can occur mutliple times, as each PE has send its own ids.
681	!-- Therefore, sort out building IDs which appear multiple times.
682	num_build = 0
683	DO n = 1, SIZE(build_ids)
684
685	IF ( ALLOCATED(build_ids_final) ) THEN
686	IF ( ANY( build_ids(n) == build_ids_final ) ) THEN
687	CYCLE
688	ELSE
689	num_build = num_build + 1
690	!
691	!-- Resize
692	ALLOCATE( build_ids_final_tmp(1:num_build) )
693	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
694	DEALLOCATE( build_ids_final )
695	ALLOCATE( build_ids_final(1:num_build) )
696	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
697	build_ids_final(num_build) = build_ids(n)
698	DEALLOCATE( build_ids_final_tmp )
699	ENDIF
700	ELSE
701	num_build = num_build + 1
702	ALLOCATE( build_ids_final(1:num_build) )
703	build_ids_final(num_build) = build_ids(n)
704	ENDIF
705	ENDDO
706
707	!
708	!-- Allocate building-data structure array. Note, this is a global array and all building IDs on
709	!-- domain are known by each PE. Further attributes, e.g. height-dependent arrays, however, are only
710	!-- allocated on PEs where the respective building is present (in order to reduce memory demands).
711	ALLOCATE( buildings(1:num_build) )
712
713	!
714	!-- Store building IDs and check if building with certain ID is present on subdomain.
715	DO nb = 1, num_build
716	buildings(nb)%id = build_ids_final(nb)
717
718	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) &
719	buildings(nb)%on_pe = .TRUE.
720	ENDDO
721	!
722	!-- Determine the maximum vertical dimension occupied by each building.
723	ALLOCATE( k_min_l(1:num_build) )
724	ALLOCATE( k_max_l(1:num_build) )
725	k_min_l = nzt + 1
726	k_max_l = 0
727
728	DO i = nxl, nxr
729	DO j = nys, nyn
730	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
731	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
732	DO k = nzb, nzt+1
733	!
734	!-- Check if grid point belongs to a building.
735	IF ( BTEST( wall_flags_total_0(k,j,i), 6 ) ) THEN
736	k_min_l(nb) = MIN( k_min_l(nb), k )
737	k_max_l(nb) = MAX( k_max_l(nb), k )
738	ENDIF
739
740	ENDDO
741	ENDIF
742	ENDDO
743	ENDDO
744
745	#if defined( __parallel )
746	CALL MPI_ALLREDUCE( k_min_l(:), buildings(:)%kb_min, num_build, MPI_INTEGER, MPI_MIN, comm2d, &
747	ierr )
748	CALL MPI_ALLREDUCE( k_max_l(:), buildings(:)%kb_max, num_build, MPI_INTEGER, MPI_MAX, comm2d, &
749	ierr )
750	#else
751	buildings(:)%kb_min = k_min_l(:)
752	buildings(:)%kb_max = k_max_l(:)
753	#endif
754
755	DEALLOCATE( k_min_l )
756	DEALLOCATE( k_max_l )
757	!
758	!-- Calculate building height.
759	DO nb = 1, num_build
760	buildings(nb)%building_height = 0.0_wp
761	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
762	buildings(nb)%building_height = buildings(nb)%building_height + dzw(k+1)
763	ENDDO
764	ENDDO
765	!
766	!-- Calculate building volume
767	DO nb = 1, num_build
768	!
769	!-- Allocate temporary array for summing-up building volume
770	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
771	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
772	volume = 0.0_wp
773	volume_l = 0.0_wp
774	!
775	!-- Calculate building volume per height level on each PE where these building is present.
776	IF ( buildings(nb)%on_pe ) THEN
777
778	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
779	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
780	buildings(nb)%volume = 0.0_wp
781	buildings(nb)%vol_frac = 0.0_wp
782
783	IF ( ANY( building_id_f%var(nys:nyn,nxl:nxr) == buildings(nb)%id ) ) THEN
784	DO i = nxl, nxr
785	DO j = nys, nyn
786	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
787	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
788	volume_l(k) = volume_l(k) + dx * dy * dzw(k+1)
789	ENDDO
790	ENDDO
791	ENDDO
792	ENDIF
793	ENDIF
794	!
795	!-- Sum-up building volume from all subdomains
796	#if defined( __parallel )
797	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, comm2d, ierr )
798	#else
799	volume = volume_l
800	#endif
801	!
802	!-- Save total building volume as well as local fraction on volume on building data structure.
803	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
804	!
805	!-- Determine fraction of local on total building volume
806	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
807	!
808	!-- Calculate total building volume
809	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%vol_tot = SUM( buildings(nb)%volume )
810
811	DEALLOCATE( volume )
812	DEALLOCATE( volume_l )
813
814	ENDDO
815	!
816	!-- Allocate arrays for indoor temperature.
817	DO nb = 1, num_build
818	IF ( buildings(nb)%on_pe ) THEN
819	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
820	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
821	buildings(nb)%t_in = 0.0_wp
822	buildings(nb)%t_in_l = 0.0_wp
823	ENDIF
824	ENDDO
825	!
826	!-- Allocate arrays for number of facades per height level. Distinguish between horizontal and
827	!-- vertical facades.
828	DO nb = 1, num_build
829	IF ( buildings(nb)%on_pe ) THEN
830	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
831	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
832
833	buildings(nb)%num_facade_h = 0
834	buildings(nb)%num_facade_v = 0
835	ENDIF
836	ENDDO
837	!
838	!-- Determine number of facade elements per building on local subdomain.
839	!-- Distinguish between horizontal and vertical facade elements.
840	!
841	!-- Horizontal facades
842	buildings(:)%num_facades_per_building_h_l = 0
843	DO l = 0, 1
844	DO m = 1, surf_usm_h(l)%ns
845	!
846	!-- For the current facade element determine corresponding building index.
847	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
848	!-- element and building location (for horizontal surface elements the horizontal offsets are
849	!-- zero).
850	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
851	j = surf_usm_h(l)%j(m) + surf_usm_h(l)%joff
852	k = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
853	!
854	!-- Determine building index and check whether building is on PE.
855	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
856
857	IF ( buildings(nb)%on_pe ) THEN
858	!
859	!-- Count number of facade elements at each height level.
860	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
861	!
862	!-- Moreover, sum up number of local facade elements per building.
863	buildings(nb)%num_facades_per_building_h_l = &
864	buildings(nb)%num_facades_per_building_h_l + 1
865	ENDIF
866	ENDDO
867	ENDDO
868	!
869	!-- Vertical facades
870	buildings(:)%num_facades_per_building_v_l = 0
871	DO l = 0, 3
872	DO m = 1, surf_usm_v(l)%ns
873	!
874	!-- For the current facade element determine corresponding building index.
875	!-- First, obtain j,j,k indices of the building. Please note the offset between facade/surface
876	!-- element and building location (for vertical surface elements the vertical offsets are
877	!-- zero).
878	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
879	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
880	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
881
882	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
883	IF ( buildings(nb)%on_pe ) THEN
884	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
885	buildings(nb)%num_facades_per_building_v_l = &
886	buildings(nb)%num_facades_per_building_v_l + 1
887	ENDIF
888	ENDDO
889	ENDDO
890	!
891	!-- Determine total number of facade elements per building and assign number to building data type.
892	DO nb = 1, num_build
893	!
894	!-- Allocate dummy array used for summing-up facade elements.
895	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
896	!-- allocated on all PEs.
897	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
898	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
899	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
900	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
901	num_facades_h = 0
902	num_facades_v = 0
903	receive_dum_h = 0
904	receive_dum_v = 0
905
906	IF ( buildings(nb)%on_pe ) THEN
907	num_facades_h = buildings(nb)%num_facade_h
908	num_facades_v = buildings(nb)%num_facade_v
909	ENDIF
910
911	#if defined( __parallel )
912	CALL MPI_ALLREDUCE( num_facades_h, &
913	receive_dum_h, &
914	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
915	MPI_INTEGER, &
916	MPI_SUM, &
917	comm2d, &
918	ierr )
919
920	CALL MPI_ALLREDUCE( num_facades_v, &
921	receive_dum_v, &
922	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
923	MPI_INTEGER, &
924	MPI_SUM, &
925	comm2d, &
926	ierr )
927	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) buildings(nb)%num_facade_h = receive_dum_h
928	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) buildings(nb)%num_facade_v = receive_dum_v
929	#else
930	buildings(nb)%num_facade_h = num_facades_h
931	buildings(nb)%num_facade_v = num_facades_v
932	#endif
933
934	!
935	!-- Deallocate dummy arrays
936	DEALLOCATE( num_facades_h )
937	DEALLOCATE( num_facades_v )
938	DEALLOCATE( receive_dum_h )
939	DEALLOCATE( receive_dum_v )
940	!
941	!-- Allocate index arrays which link facade elements with surface-data type.
942	!-- Please note, no height levels are considered here (information is stored in surface-data type
943	!-- itself).
944	IF ( buildings(nb)%on_pe ) THEN
945	!
946	!-- Determine number of facade elements per building.
947	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
948	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
949	!
950	!-- Allocate arrays which link the building with the horizontal and vertical urban-type
951	!-- surfaces. Please note, linking arrays are allocated over all facade elements, which is
952	!-- required in case a building is located at the subdomain boundaries, where the building and
953	!-- the corresponding surface elements are located on different subdomains.
954	ALLOCATE( buildings(nb)%l_h(1:buildings(nb)%num_facades_per_building_h_l) )
955	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
956
957	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
958	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
959
960	ALLOCATE( buildings(nb)%theta_m_t_prev_h(1:buildings(nb)%num_facades_per_building_h_l) )
961	ALLOCATE( buildings(nb)%theta_m_t_prev_v(1:buildings(nb)%num_facades_per_building_v_l) )
962	ENDIF
963
964	IF ( buildings(nb)%on_pe ) THEN
965	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
966	buildings(nb)%vpf = 0.0_wp
967
968	facade_area_v = 0.0_wp
969	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
970	facade_area_v = facade_area_v + buildings(nb)%num_facade_v(k) * dzw(k+1) * dx
971	ENDDO
972	!
973	!-- Determine volume per total facade area (vpf). For the horizontal facade area
974	!-- num_facades_per_building_h can be taken, multiplied with dx*dy.
975	!-- However, due to grid stretching, vertical facade elements must be summed-up vertically.
976	!-- Please note, if dx /= dy, an error is made!
977	buildings(nb)%vpf = buildings(nb)%vol_tot / &
978	( buildings(nb)%num_facades_per_building_h * dx * dy + facade_area_v )
979	!
980	!-- Determine floor-area-per-facade.
981	buildings(nb)%fapf = buildings(nb)%num_facades_per_building_h * dx * dy &
982	/ ( buildings(nb)%num_facades_per_building_h * dx * dy &
983	+ facade_area_v )
984	ENDIF
985	ENDDO
986	!
987	!-- Link facade elements with surface data type.
988	!-- Allocate array for counting.
989	ALLOCATE( n_fa(1:num_build) )
990	n_fa = 1
991
992	DO l = 0, 1
993	DO m = 1, surf_usm_h(l)%ns
994	i = surf_usm_h(l)%i(m) + surf_usm_h(l)%ioff
995	j = surf_usm_h(l)%j(m) + surf_usm_h(l)%joff
996
997	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
998
999	IF ( buildings(nb)%on_pe ) THEN
1000	buildings(nb)%l_h(n_fa(nb)) = l
1001	buildings(nb)%m_h(n_fa(nb)) = m
1002	n_fa(nb) = n_fa(nb) + 1
1003	ENDIF
1004	ENDDO
1005	ENDDO
1006
1007	n_fa = 1
1008	DO l = 0, 3
1009	DO m = 1, surf_usm_v(l)%ns
1010	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
1011	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
1012
1013	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1014
1015	IF ( buildings(nb)%on_pe ) THEN
1016	buildings(nb)%l_v(n_fa(nb)) = l
1017	buildings(nb)%m_v(n_fa(nb)) = m
1018	n_fa(nb) = n_fa(nb) + 1
1019	ENDIF
1020	ENDDO
1021	ENDDO
1022	DEALLOCATE( n_fa )
1023	!
1024	!-- Initialize building parameters, first by mean building type. Note, in this case all buildings
1025	!-- have the same type.
1026	!-- In a second step initialize with building tpyes from static input file, where building types can
1027	!-- be individual for each building.
1028	buildings(:)%lambda_layer3 = building_pars(31,building_type)
1029	buildings(:)%s_layer3 = building_pars(44,building_type)
1030	buildings(:)%f_c_win = building_pars(119,building_type)
1031	buildings(:)%g_value_win = building_pars(120,building_type)
1032	buildings(:)%u_value_win = building_pars(121,building_type)
1033	buildings(:)%eta_ve = building_pars(124,building_type)
1034	buildings(:)%factor_a = building_pars(125,building_type)
1035	buildings(:)%factor_c = building_pars(126,building_type)
1036	buildings(:)%lambda_at = building_pars(127,building_type)
1037	buildings(:)%theta_int_h_set = building_pars(13,building_type)
1038	buildings(:)%theta_int_c_set = building_pars(12,building_type)
1039	buildings(:)%q_h_max = building_pars(128,building_type)
1040	buildings(:)%q_c_max = building_pars(129,building_type)
1041	buildings(:)%qint_high = building_pars(130,building_type)
1042	buildings(:)%qint_low = building_pars(131,building_type)
1043	buildings(:)%height_storey = building_pars(132,building_type)
1044	buildings(:)%height_cei_con = building_pars(133,building_type)
1045	buildings(:)%params_waste_heat_h = building_pars(134,building_type)
1046	buildings(:)%params_waste_heat_c = building_pars(135,building_type)
1047	!
1048	!-- Initialize seasonal dependent parameters, depending on day of the year.
1049	!-- First, calculated day of the year.
1050	CALL get_date_time( time_since_reference_point, day_of_year = day_of_year )
1051	!
1052	!-- Summer is defined in between northward- and southward equinox.
1053	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
1054	buildings(:)%air_change_low = summer_pars(0,building_type)
1055	buildings(:)%air_change_high = summer_pars(1,building_type)
1056	ELSE
1057	buildings(:)%air_change_low = winter_pars(0,building_type)
1058	buildings(:)%air_change_high = winter_pars(1,building_type)
1059	ENDIF
1060	!
1061	!-- Initialize ventilation load. Please note, building types > 7 are actually not allowed (check
1062	!-- already in urban_surface_mod and netcdf_data_input_mod.
1063	!-- However, the building data base may be later extended.
1064	IF ( building_type == 1 .OR. building_type == 2 .OR. &
1065	building_type == 3 .OR. building_type == 10 .OR. &
1066	building_type == 11 .OR. building_type == 12 ) THEN
1067	buildings(:)%ventilation_int_loads = 1
1068	!
1069	!-- Office, building with large windows
1070	ELSEIF ( building_type == 4 .OR. building_type == 5 .OR. &
1071	building_type == 6 .OR. building_type == 7 .OR. &
1072	building_type == 8 .OR. building_type == 9) THEN
1073	buildings(:)%ventilation_int_loads = 2
1074	!
1075	!-- Industry, hospitals
1076	ELSEIF ( building_type == 13 .OR. building_type == 14 .OR. &
1077	building_type == 15 .OR. building_type == 16 .OR. &
1078	building_type == 17 .OR. building_type == 18 ) THEN
1079	buildings(:)%ventilation_int_loads = 3
1080	ENDIF
1081	!
1082	!-- Initialization of building parameters - level 2
1083	IF ( building_type_f%from_file ) THEN
1084	DO i = nxl, nxr
1085	DO j = nys, nyn
1086	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
1087	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1088	bt = building_type_f%var(j,i)
1089
1090	buildings(nb)%lambda_layer3 = building_pars(31,bt)
1091	buildings(nb)%s_layer3 = building_pars(44,bt)
1092	buildings(nb)%f_c_win = building_pars(119,bt)
1093	buildings(nb)%g_value_win = building_pars(120,bt)
1094	buildings(nb)%u_value_win = building_pars(121,bt)
1095	buildings(nb)%eta_ve = building_pars(124,bt)
1096	buildings(nb)%factor_a = building_pars(125,bt)
1097	buildings(nb)%factor_c = building_pars(126,bt)
1098	buildings(nb)%lambda_at = building_pars(127,bt)
1099	buildings(nb)%theta_int_h_set = building_pars(13,bt)
1100	buildings(nb)%theta_int_c_set = building_pars(12,bt)
1101	buildings(nb)%q_h_max = building_pars(128,bt)
1102	buildings(nb)%q_c_max = building_pars(129,bt)
1103	buildings(nb)%qint_high = building_pars(130,bt)
1104	buildings(nb)%qint_low = building_pars(131,bt)
1105	buildings(nb)%height_storey = building_pars(132,bt)
1106	buildings(nb)%height_cei_con = building_pars(133,bt)
1107	buildings(nb)%params_waste_heat_h = building_pars(134,bt)
1108	buildings(nb)%params_waste_heat_c = building_pars(135,bt)
1109
1110	IF ( day_of_year >= northward_equinox .AND. day_of_year <= southward_equinox ) THEN
1111	buildings(nb)%air_change_low = summer_pars(0,bt)
1112	buildings(nb)%air_change_high = summer_pars(1,bt)
1113	ELSE
1114	buildings(nb)%air_change_low = winter_pars(0,bt)
1115	buildings(nb)%air_change_high = winter_pars(1,bt)
1116	ENDIF
1117
1118	!
1119	!-- Initialize ventilaation load. Please note, building types > 7
1120	!-- are actually not allowed (check already in urban_surface_mod
1121	!-- and netcdf_data_input_mod. However, the building data base may
1122	!-- be later extended.
1123	IF ( bt == 1 .OR. bt == 2 .OR. &
1124	bt == 3 .OR. bt == 10 .OR. &
1125	bt == 11 .OR. bt == 12 ) THEN
1126	buildings(nb)%ventilation_int_loads = 1
1127	!
1128	!-- Office, building with large windows
1129	ELSEIF ( bt == 4 .OR. bt == 5 .OR. &
1130	bt == 6 .OR. bt == 7 .OR. &
1131	bt == 8 .OR. bt == 9) THEN
1132	buildings(nb)%ventilation_int_loads = 2
1133	!
1134	!-- Industry, hospitals
1135	ELSEIF ( bt == 13 .OR. bt == 14 .OR. &
1136	bt == 15 .OR. bt == 16 .OR. &
1137	bt == 17 .OR. bt == 18 ) THEN
1138	buildings(nb)%ventilation_int_loads = 3
1139	ENDIF
1140	ENDIF
1141	ENDDO
1142	ENDDO
1143	ENDIF
1144	!
1145	!-- Calculation of surface-related heat transfer coeffiecient out of standard u-values from building
1146	!-- database.
1147	!-- Only amount of extern and surface is used.
1148	!-- Otherwise amount between air and surface taken account twice.
1149	DO nb = 1, num_build
1150	IF ( buildings(nb)%on_pe ) THEN
1151	du_win_tmp = 1.0_wp / buildings(nb)%u_value_win
1152	u_tmp = buildings(nb)%u_value_win * ( du_win_tmp / ( du_win_tmp - &
1153	0.125_wp + ( 1.0_wp / h_is ) ) )
1154
1155	du_tmp = 1.0_wp / u_tmp
1156
1157	buildings(nb)%h_es = 1.0_wp / ( du_tmp - ( 1.0_wp / h_is ) )
1158
1159	ENDIF
1160	ENDDO
1161	!
1162	!-- Initialize indoor temperature. Actually only for output at initial state.
1163	DO nb = 1, num_build
1164	IF ( buildings(nb)%on_pe ) THEN
1165	buildings(nb)%t_in(:) = initial_indoor_temperature
1166
1167	!
1168	!-- (after first loop, use theta_m_t as theta_m_t_prev)
1169	buildings(nb)%theta_m_t_prev_h(:) = initial_indoor_temperature
1170	buildings(nb)%theta_m_t_prev_v(:) = initial_indoor_temperature
1171
1172	ENDIF
1173	ENDDO
1174
1175	CALL location_message( 'initializing indoor model', 'finished' )
1176
1177	END SUBROUTINE im_init
1178
1179
1180	!--------------------------------------------------------------------------------------------------!
1181	! Description:
1182	! ------------
1183	!> Main part of the indoor model.
1184	!> Calculation of .... (kanani: Please describe)
1185	!--------------------------------------------------------------------------------------------------!
1186	SUBROUTINE im_main_heatcool
1187
1188	! USE basic_constants_and_equations_mod, &
1189	! ONLY: c_p
1190
1191	USE control_parameters, &
1192	ONLY: time_since_reference_point
1193
1194	USE grid_variables, &
1195	ONLY: dx, dy
1196
1197	USE pegrid
1198
1199	USE surface_mod, &
1200	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
1201
1202	USE urban_surface_mod, &
1203	ONLY: building_type, nzt_wall, t_wall_h, t_wall_v, t_window_h, t_window_v
1204
1205
1206	INTEGER(iwp) :: fa !< running index for facade elements of each building
1207	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
1208	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
1209	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
1210	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
1211	INTEGER(iwp) :: l !< running index for surface-element orientation
1212	INTEGER(iwp) :: m !< running index surface elements
1213	INTEGER(iwp) :: nb !< running index for buildings
1214
1215	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
1216
1217	REAL(wp) :: indoor_wall_temperature !< temperature of innermost wall layer evtl in im_calc_temperatures einfÃŒgen
1218
1219	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
1220	REAL(wp) :: second_of_day !< second of the current day
1221	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
1222
1223	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
1224	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
1225	!
1226	!-- Determine time of day in hours.
1227	CALL get_date_time( time_since_reference_point, second_of_day=second_of_day )
1228	time_utc_hour = second_of_day / seconds_per_hour
1229	!
1230	!-- Following calculations must be done for each facade element.
1231	DO nb = 1, num_build
1232	!
1233	!-- First, check whether building is present on local subdomain.
1234	IF ( buildings(nb)%on_pe ) THEN
1235	!
1236	!-- Determine daily schedule. 08:00-18:00 = 1, other hours = 0.
1237	!-- Residental Building, panel WBS 70
1238	IF ( buildings(nb)%ventilation_int_loads == 1 ) THEN
1239	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
1240	schedule_d = 0
1241	ELSE
1242	schedule_d = 1
1243	ENDIF
1244	ENDIF
1245	!
1246	!-- Office, building with large windows
1247	IF ( buildings(nb)%ventilation_int_loads == 2 ) THEN
1248	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
1249	schedule_d = 1
1250	ELSE
1251	schedule_d = 0
1252	ENDIF
1253	ENDIF
1254	!
1255	!-- Industry, hospitals
1256	IF ( buildings(nb)%ventilation_int_loads == 3 ) THEN
1257	IF ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
1258	schedule_d = 1
1259	ELSE
1260	schedule_d = 0
1261	ENDIF
1262	ENDIF
1263	!
1264	!-- Initialize/reset indoor temperature
1265	buildings(nb)%t_in_l = 0.0_wp
1266	!
1267	!-- Horizontal surfaces
1268	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
1269	!
1270	!-- Determine indices where corresponding surface-type information is stored.
1271	l = buildings(nb)%l_h(fa)
1272	m = buildings(nb)%m_h(fa)
1273	!
1274	!-- Determine building height level index.
1275	kk = surf_usm_h(l)%k(m) + surf_usm_h(l)%koff
1276	!
1277	!-- Building geometries --> not time-dependent
1278	facade_element_area = dx * dy !< [m2] surface area per facade element
1279	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
1280	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
1281	buildings(nb)%area_facade = facade_element_area * &
1282	( buildings(nb)%num_facades_per_building_h + &
1283	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
1284	window_area_per_facade = surf_usm_h(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per facade
1285	!< element
1286
1287	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
1288	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
1289	!< pointing to zone Eq. (9) according to section 7.2.2.2
1290	a_m = buildings(nb)%factor_a * total_area * &
1291	( facade_element_area / buildings(nb)%area_facade ) * &
1292	buildings(nb)%lambda_at !< [m2] standard values
1293	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1294	c_m = buildings(nb)%factor_c * total_area * &
1295	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
1296	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1297	!
1298	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1299	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
1300
1301	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
1302	!< (m2 K) between surface and air, Eq. (9)
1303	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
1304	!< (m2 K) between component and surface, Eq. (64)
1305	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
1306	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
1307	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
1308	h_t_wm = 1.0_wp / ( 1.0_wp / h_t_wall - 1.0_wp / h_t_ms ) !< [W/K] emmision Eq. (63),
1309	!< Section 12.2.2
1310	!
1311	!-- Internal air loads dependent on the occupacy of the room.
1312	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int).
1313	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1314	* floor_area_per_facade )
1315	q_int = phi_ia / total_area
1316	!
1317	!-- Airflow dependent on the occupacy of the room.
1318	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
1319	air_change = ( buildings(nb)%air_change_high * schedule_d + buildings(nb)%air_change_low ) !< [1/h]?
1320	!
1321	!-- Heat transfer of ventilation.
1322	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
1323	!-- capacity of air 0.33 Wh/m2K.
1324	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1325	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
1326
1327	!-- Heat transfer coefficient auxiliary variables
1328	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
1329	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
1330	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
1331	!
1332	!-- Net short-wave radiation through window area (was i_global)
1333	net_sw_in = surf_usm_h(l)%rad_sw_in(m) - surf_usm_h(l)%rad_sw_out(m)
1334	!
1335	!-- Quantities needed for im_calc_temperatures
1336	i = surf_usm_h(l)%i(m)
1337	j = surf_usm_h(l)%j(m)
1338	k = surf_usm_h(l)%k(m)
1339	near_facade_temperature = surf_usm_h(l)%pt_10cm(m)
1340	indoor_wall_window_temperature = &
1341	surf_usm_h(l)%frac(m,ind_veg_wall) * t_wall_h(l)%val(nzt_wall,m) &
1342	+ surf_usm_h(l)%frac(m,ind_wat_win) * t_window_h(l)%val(nzt_wall,m)
1343	indoor_wall_temperature = surf_usm_h(l)%frac(m,ind_veg_wall) * t_wall_h(l)%val(nzt_wall,m)
1344	!
1345	!-- Solar thermal gains. If net_sw_in larger than sun-protection threshold parameter
1346	!-- (params_solar_protection), sun protection will be activated.
1347	IF ( net_sw_in <= params_solar_protection ) THEN
1348	solar_protection_off = 1
1349	solar_protection_on = 0
1350	ELSE
1351	solar_protection_off = 0
1352	solar_protection_on = 1
1353	ENDIF
1354	!
1355	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
1356	!-- automatic sun protection.
1357	!-- DIN 4108 - 2 chap.8
1358	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1359	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
1360	solar_protection_on ) &
1361	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
1362	q_sol = phi_sol
1363	!
1364	!-- Calculation of the mass specific thermal load for internal and external heatsources of
1365	!-- the inner node.
1366	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with
1367	!< phi_ia=0,5*phi_int
1368	q_c_m = phi_m
1369	!
1370	!-- Calculation mass specific thermal load implied non thermal mass
1371	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
1372	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
1373	!< phi_ia=0,5*phi_int
1374	q_c_st = phi_st
1375	!
1376	!-- Calculations for deriving indoor temperature and heat flux into the wall
1377	!-- Step 1: indoor temperature without heating and cooling
1378	!-- section C.4.1 Picture C.2 zone 3)
1379	phi_hc_nd = 0.0_wp
1380
1381	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1382	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1383	!
1384	!-- If air temperature between border temperatures of heating and cooling, assign output
1385	!-- variable, then ready.
1386	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
1387	theta_air <= buildings(nb)%theta_int_c_set ) THEN
1388	phi_hc_nd_ac = 0.0_wp
1389	phi_hc_nd = phi_hc_nd_ac
1390	theta_air_ac = theta_air
1391	!
1392	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1393	!-- again.
1394	ELSE
1395	!
1396	!-- Temperature not correct, calculation method according to section C4.2
1397	theta_air_0 = theta_air !< temperature without heating/cooling
1398	!
1399	!-- Heating or cooling?
1400	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
1401	theta_air_set = buildings(nb)%theta_int_c_set
1402	ELSE
1403	theta_air_set = buildings(nb)%theta_int_h_set
1404	ENDIF
1405	!
1406	!-- Calculate the temperature with phi_hc_nd_10
1407	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1408	phi_hc_nd = phi_hc_nd_10
1409
1410	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1411	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1412	theta_air_10 = theta_air !< temperature with 10 W/m2 of heating
1413	!
1414	!-- Avoid division by zero at first timestep where the denominator can become zero.
1415	IF ( ABS( theta_air_10 - theta_air_0 ) < 1E-10_wp ) THEN
1416	phi_hc_nd_un = phi_hc_nd_10
1417	ELSE
1418	phi_hc_nd_un = phi_hc_nd_10 * ( theta_air_set - theta_air_0 ) &
1419	/ ( theta_air_10 - theta_air_0 ) !< Eq. (C.13)
1420	ENDIF
1421	!
1422	!-- Step 3: with temperature ratio to determine the heating or cooling capacity.
1423	!-- If necessary, limit the power to maximum power.
1424	!-- section C.4.1 Picture C.2 zone 2) and 4)
1425	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
1426	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
1427	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
1428	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1429	phi_hc_nd_ac = phi_hc_nd_un
1430	phi_hc_nd = phi_hc_nd_un
1431	ELSE
1432	!
1433	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
1434	!-- (phi_hc_nd_un negative)
1435	!-- section C.4.1 Picture C.2 zone 1) and 5)
1436	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1437	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1438	ELSE
1439	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1440	ENDIF
1441	ENDIF
1442	phi_hc_nd = phi_hc_nd_ac
1443	!
1444	!-- Calculate the temperature with phi_hc_nd_ac (new)
1445	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1446	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_h(fa) )
1447	theta_air_ac = theta_air
1448	ENDIF
1449	!
1450	!-- Update theta_m_t_prev
1451	buildings(nb)%theta_m_t_prev_h(fa) = theta_m_t
1452
1453
1454	q_vent = h_v * ( theta_air - near_facade_temperature )
1455	!
1456	!-- Calculate the operating temperature with weighted mean temperature of air and mean
1457	!-- solar temperature.
1458	!-- Will be used for thermal comfort calculations.
1459	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s !< [degree_C] operative Temperature Eq. (C.12)
1460
1461	! surf_usm_h(l)%t_indoor(m) = theta_op !< not integrated now
1462	!
1463	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1464	!-- calculate heat transfer through wall layers towards the facade
1465	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
1466	IF ( (facade_element_area - window_area_per_facade) > 0.0_wp ) THEN
1467	q_wall = h_t_wm * ( indoor_wall_temperature - theta_m ) &
1468	/ ( facade_element_area - window_area_per_facade )
1469	ELSE
1470	q_wall = 0.0_wp
1471	ENDIF
1472
1473	IF ( window_area_per_facade > 0.0_wp ) THEN
1474	q_win = h_t_es * ( pt(k,j,i) - theta_s ) / ( window_area_per_facade )
1475	ELSE
1476	q_win = 0.0_wp
1477	ENDIF
1478	!
1479	!-- Transfer q_wall & q_win back to USM (innermost wall/window layer)
1480	surf_usm_h(l)%iwghf_eb(m) = - q_wall
1481	surf_usm_h(l)%iwghf_eb_window(m) = - q_win
1482	!
1483	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
1484	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
1485	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1486	!
1487	!-- Calculation of waste heat.
1488	!-- Anthropogenic heat output.
1489	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1490	heating_on = 1
1491	cooling_on = 0
1492	ELSE
1493	heating_on = 0
1494	cooling_on = -1
1495	ENDIF
1496
1497	q_waste_heat = ( phi_hc_nd * ( &
1498	buildings(nb)%params_waste_heat_h * heating_on + &
1499	buildings(nb)%params_waste_heat_c * cooling_on ) &
1500	) / facade_element_area !< [W/m2] , observe the directional
1501	!< convention in PALM!
1502	surf_usm_h(l)%waste_heat(m) = q_waste_heat
1503	ENDDO !< Horizontal surfaces loop
1504	!
1505	!-- Vertical surfaces
1506	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
1507	!
1508	!-- Determine indices where corresponding surface-type information is stored.
1509	l = buildings(nb)%l_v(fa)
1510	m = buildings(nb)%m_v(fa)
1511	!
1512	!-- Determine building height level index.
1513	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
1514	!
1515	!-- (SOME OF THE FOLLOWING (not time-dependent) COULD PROBABLY GO INTO A FUNCTION
1516	!-- EXCEPT facade_element_area, EVERYTHING IS CALCULATED EQUALLY)
1517	!-- Building geometries --> not time-dependent
1518	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk+1) !< [m2] surface area per facade element
1519	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk+1) !< [m2] surface area per facade element
1520
1521	floor_area_per_facade = buildings(nb)%fapf !< [m2/m2] floor area per facade area
1522	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3/m2] indoor air volume per facade area
1523	buildings(nb)%area_facade = facade_element_area * &
1524	( buildings(nb)%num_facades_per_building_h + &
1525	buildings(nb)%num_facades_per_building_v ) !< [m2] area of total facade
1526	window_area_per_facade = surf_usm_v(l)%frac(m,ind_wat_win) * facade_element_area !< [m2] window area per
1527	!< facade element
1528
1529	buildings(nb)%net_floor_area = buildings(nb)%vol_tot / ( buildings(nb)%height_storey )
1530	total_area = buildings(nb)%net_floor_area !< [m2] area of all surfaces
1531	!< pointing to zone Eq. (9) according to section 7.2.2.2
1532	a_m = buildings(nb)%factor_a * total_area * &
1533	( facade_element_area / buildings(nb)%area_facade ) * &
1534	buildings(nb)%lambda_at !< [m2] standard values
1535	!< according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1536	c_m = buildings(nb)%factor_c * total_area * &
1537	( facade_element_area / buildings(nb)%area_facade ) !< [J/K] standard values
1538	!< according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1539	!
1540	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1541	h_t_es = window_area_per_facade * buildings(nb)%h_es !< [W/K] only for windows
1542
1543	h_t_is = buildings(nb)%area_facade * h_is !< [W/K] with h_is = 3.45 W /
1544	!< (m2 K) between surface and air, Eq. (9)
1545	h_t_ms = a_m * h_ms !< [W/K] with h_ms = 9.10 W /
1546	!< (m2 K) between component and surface, Eq. (64)
1547	h_t_wall = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) & !< [W/K]
1548	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp &
1549	) + 1.0_wp / h_t_ms ) !< [W/K] opaque components
1550	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
1551	!
1552	!-- Internal air loads dependent on the occupacy of the room.
1553	!-- Basical internal heat gains (qint_low) with additional internal heat gains by occupancy
1554	!-- (qint_high) (0,5*phi_int)
1555	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1556	* floor_area_per_facade )
1557	q_int = phi_ia
1558
1559	!
1560	!-- Airflow dependent on the occupacy of the room.
1561	!-- Basical airflow (air_change_low) with additional airflow gains by occupancy
1562	!-- (air_change_high)
1563	air_change = ( buildings(nb)%air_change_high * schedule_d + &
1564	buildings(nb)%air_change_low )
1565	!
1566	!-- Heat transfer of ventilation.
1567	!-- Not less than 0.01 W/K to avoid division by 0 in further calculations with heat
1568	!-- capacity of air 0.33 Wh/m2K
1569	h_v = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1570	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789
1571	!< Eq.(10)
1572
1573	!-- Heat transfer coefficient auxiliary variables
1574	h_t_1 = 1.0_wp / ( ( 1.0_wp / h_v ) + ( 1.0_wp / h_t_is ) ) !< [W/K] Eq. (C.6)
1575	h_t_2 = h_t_1 + h_t_es !< [W/K] Eq. (C.7)
1576	h_t_3 = 1.0_wp / ( ( 1.0_wp / h_t_2 ) + ( 1.0_wp / h_t_ms ) ) !< [W/K] Eq. (C.8)
1577	!
1578	!-- Net short-wave radiation through window area (was i_global)
1579	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
1580	!
1581	!-- Quantities needed for im_calc_temperatures
1582	i = surf_usm_v(l)%i(m)
1583	j = surf_usm_v(l)%j(m)
1584	k = surf_usm_v(l)%k(m)
1585	near_facade_temperature = surf_usm_v(l)%pt_10cm(m)
1586	indoor_wall_window_temperature = &
1587	surf_usm_v(l)%frac(m,ind_veg_wall) * t_wall_v(l)%val(nzt_wall,m) &
1588	+ surf_usm_v(l)%frac(m,ind_wat_win) * t_window_v(l)%val(nzt_wall,m)
1589	indoor_wall_temperature = surf_usm_v(l)%frac(m,ind_veg_wall) * t_wall_v(l)%val(nzt_wall,m)
1590
1591	!
1592	!-- Solar thermal gains. If net_sw_in larger than sun-protection
1593	!-- threshold parameter (params_solar_protection), sun protection will
1594	!-- be activated
1595	IF ( net_sw_in <= params_solar_protection ) THEN
1596	solar_protection_off = 1
1597	solar_protection_on = 0
1598	ELSE
1599	solar_protection_off = 0
1600	solar_protection_on = 1
1601	ENDIF
1602	!
1603	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on
1604	!-- automatic sun protection.
1605	!-- DIN 4108 - 2 chap.8
1606	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1607	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * &
1608	solar_protection_on ) &
1609	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
1610	q_sol = phi_sol
1611	!
1612	!-- Calculation of the mass specific thermal load for internal and external heatsources.
1613	phi_m = (a_m / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
1614	q_c_m = phi_m
1615	!
1616	!-- Calculation mass specific thermal load implied non thermal mass.
1617	phi_st = ( 1.0_wp - ( a_m / total_area ) - ( h_t_es / ( 9.1_wp * total_area ) ) ) &
1618	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with
1619	!< phi_ia=0,5*phi_int
1620	q_c_st = phi_st
1621	!
1622	!-- Calculations for deriving indoor temperature and heat flux into the wall.
1623	!-- Step 1: indoor temperature without heating and cooling.
1624	!-- section C.4.1 Picture C.2 zone 3)
1625	phi_hc_nd = 0.0_wp
1626	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1627	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1628	!
1629	!-- If air temperature between border temperatures of heating and cooling, assign output
1630	!-- variable, then ready.
1631	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. &
1632	theta_air <= buildings(nb)%theta_int_c_set ) THEN
1633	phi_hc_nd_ac = 0.0_wp
1634	phi_hc_nd = phi_hc_nd_ac
1635	theta_air_ac = theta_air
1636	!
1637	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1638	!-- again.
1639	ELSE
1640	!
1641	!-- Temperature not correct, calculation method according to section C4.2
1642	theta_air_0 = theta_air !< Note temperature without heating/cooling
1643	!
1644	!-- Heating or cooling?
1645	IF ( theta_air_0 > buildings(nb)%theta_int_c_set ) THEN
1646	theta_air_set = buildings(nb)%theta_int_c_set
1647	ELSE
1648	theta_air_set = buildings(nb)%theta_int_h_set
1649	ENDIF
1650
1651	!-- Calculate the temperature with phi_hc_nd_10
1652	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1653	phi_hc_nd = phi_hc_nd_10
1654
1655	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1656	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1657
1658	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
1659	!
1660	!-- Avoid division by zero at first timestep where the denominator can become zero.
1661	IF ( ABS( theta_air_10 - theta_air_0 ) < 1E-10_wp ) THEN
1662	phi_hc_nd_un = phi_hc_nd_10
1663	ELSE
1664	phi_hc_nd_un = phi_hc_nd_10 * ( theta_air_set - theta_air_0 ) &
1665	/ ( theta_air_10 - theta_air_0 ) !< Eq. (C.13)
1666	ENDIF
1667	!
1668	!-- Step 3: with temperature ratio to determine the heating or cooling capacity
1669	!-- If necessary, limit the power to maximum power.
1670	!-- section C.4.1 Picture C.2 zone 2) and 4)
1671	buildings(nb)%phi_c_max = buildings(nb)%q_c_max * floor_area_per_facade
1672	buildings(nb)%phi_h_max = buildings(nb)%q_h_max * floor_area_per_facade
1673	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. &
1674	phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1675	phi_hc_nd_ac = phi_hc_nd_un
1676	phi_hc_nd = phi_hc_nd_un
1677	ELSE
1678	!
1679	!-- Step 4: inner temperature with maximum heating (phi_hc_nd_un positive) or cooling
1680	!-- (phi_hc_nd_un negative)
1681	!-- section C.4.1 Picture C.2 zone 1) and 5)
1682	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1683	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1684	ELSE
1685	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1686	ENDIF
1687	ENDIF
1688	phi_hc_nd = phi_hc_nd_ac
1689	!
1690	!-- Calculate the temperature with phi_hc_nd_ac (new)
1691	CALL im_calc_temperatures ( i, j, k, indoor_wall_temperature, &
1692	near_facade_temperature, phi_hc_nd, buildings(nb)%theta_m_t_prev_v(fa) )
1693	theta_air_ac = theta_air
1694	ENDIF
1695	!
1696	!-- Update theta_m_t_prev
1697	buildings(nb)%theta_m_t_prev_v(fa) = theta_m_t
1698
1699
1700	q_vent = h_v * ( theta_air - near_facade_temperature )
1701	!
1702	!-- Calculate the operating temperature with weighted mean of temperature of air and mean.
1703	!-- Will be used for thermal comfort calculations.
1704	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s
1705
1706	! surf_usm_v(l)%t_indoor(m) = theta_op !< not integrated yet
1707	!
1708	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1709	!-- calculate heat transfer through wall layers towards the facade
1710	IF ( (facade_element_area - window_area_per_facade) > 0.0_wp ) THEN
1711	q_wall = h_t_wm * ( indoor_wall_temperature - theta_m ) &
1712	/ ( facade_element_area - window_area_per_facade )
1713	ELSE
1714	q_wall = 0.0_wp
1715	ENDIF
1716
1717	IF ( window_area_per_facade > 0.0_wp ) THEN
1718	q_win = h_t_es * ( pt(k,j,i) - theta_s ) / ( window_area_per_facade )
1719	ELSE
1720	q_win = 0.0_wp
1721	ENDIF
1722
1723	!
1724	!-- Transfer q_wall & q_win back to USM (innermost wall/window layer)
1725	surf_usm_v(l)%iwghf_eb(m) = - q_wall
1726	surf_usm_v(l)%iwghf_eb_window(m) = - q_win
1727	!
1728	!-- Sum up operational indoor temperature per kk-level. Further below, this temperature is
1729	!-- reduced by MPI to one temperature per kk-level and building (processor overlapping).
1730	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1731	!
1732	!-- Calculation of waste heat.
1733	!-- Anthropogenic heat output.
1734	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1735	heating_on = 1
1736	cooling_on = 0
1737	ELSE
1738	heating_on = 0
1739	cooling_on = -1
1740	ENDIF
1741
1742	q_waste_heat = ( phi_hc_nd * ( buildings(nb)%params_waste_heat_h * heating_on + &
1743	buildings(nb)%params_waste_heat_c * cooling_on ) &
1744	) / facade_element_area !< [W/m2] , observe the directional convention in
1745	!< PALM!
1746	surf_usm_v(l)%waste_heat(m) = q_waste_heat
1747	ENDDO !< Vertical surfaces loop
1748	ENDIF !< buildings(nb)%on_pe
1749	ENDDO !< buildings loop
1750
1751	!
1752	!-- Determine the mean building temperature.
1753	DO nb = 1, num_build
1754	!
1755	!-- Allocate dummy array used for summing-up facade elements.
1756	!-- Please note, dummy arguments are necessary as building-date type arrays are not necessarily
1757	!-- allocated on all PEs.
1758	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1759	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1760	t_in_l_send = 0.0_wp
1761	t_in_recv = 0.0_wp
1762
1763	IF ( buildings(nb)%on_pe ) THEN
1764	t_in_l_send = buildings(nb)%t_in_l
1765	ENDIF
1766
1767
1768	#if defined( __parallel )
1769	CALL MPI_ALLREDUCE( t_in_l_send, &
1770	t_in_recv, &
1771	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
1772	MPI_REAL, &
1773	MPI_SUM, &
1774	comm2d, &
1775	ierr )
1776
1777	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = t_in_recv
1778	#else
1779	IF ( ALLOCATED( buildings(nb)%t_in ) ) buildings(nb)%t_in = buildings(nb)%t_in_l
1780	#endif
1781
1782	IF ( ALLOCATED( buildings(nb)%t_in ) ) THEN
1783	!
1784	!-- Average indoor temperature. Note, in case a building is completely surrounded by higher
1785	!-- buildings, it may have no facade elements at some height levels, which will lead to a
1786	!-- division by zero.
1787	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
1788	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) > 0 ) THEN
1789	buildings(nb)%t_in(k) = buildings(nb)%t_in(k) / &
1790	REAL( buildings(nb)%num_facade_h(k) + &
1791	buildings(nb)%num_facade_v(k), KIND = wp )
1792	ENDIF
1793	ENDDO
1794	!
1795	!-- If indoor temperature is not defined because of missing facade elements, the values from
1796	!-- the above-lying level will be taken.
1797	!-- At least at the top of the buildings facades are defined, so that at least there an indoor
1798	!-- temperature is defined. This information will propagate downwards the building.
1799	DO k = buildings(nb)%kb_max-1, buildings(nb)%kb_min, -1
1800	IF ( buildings(nb)%num_facade_h(k) + buildings(nb)%num_facade_v(k) <= 0 ) THEN
1801	buildings(nb)%t_in(k) = buildings(nb)%t_in(k+1)
1802	ENDIF
1803	ENDDO
1804	ENDIF
1805
1806
1807	!
1808	!-- Deallocate dummy arrays
1809	DEALLOCATE( t_in_l_send )
1810	DEALLOCATE( t_in_recv )
1811
1812	ENDDO
1813
1814	END SUBROUTINE im_main_heatcool
1815
1816
1817	!--------------------------------------------------------------------------------------------------!
1818	! Description:
1819	!-------------
1820	!> Check data output for plant canopy model
1821	!--------------------------------------------------------------------------------------------------!
1822	SUBROUTINE im_check_data_output( var, unit )
1823
1824	CHARACTER (LEN=*) :: unit !<
1825	CHARACTER (LEN=*) :: var !<
1826
1827	SELECT CASE ( TRIM( var ) )
1828
1829
1830	CASE ( 'im_hf_roof')
1831	unit = 'W m-2'
1832
1833	CASE ( 'im_hf_wall_win' )
1834	unit = 'W m-2'
1835
1836	CASE ( 'im_hf_wall_win_waste' )
1837	unit = 'W m-2'
1838
1839	CASE ( 'im_hf_roof_waste' )
1840	unit = 'W m-2'
1841
1842	CASE ( 'im_t_indoor_mean' )
1843	unit = 'K'
1844
1845	CASE ( 'im_t_indoor_roof' )
1846	unit = 'K'
1847
1848	CASE ( 'im_t_indoor_wall_win' )
1849	unit = 'K'
1850
1851	CASE ( 'im_t_indoor_wall' )
1852	unit = 'K'
1853
1854	CASE DEFAULT
1855	unit = 'illegal'
1856
1857	END SELECT
1858
1859	END SUBROUTINE
1860
1861
1862	!--------------------------------------------------------------------------------------------------!
1863	! Description:
1864	!-------------
1865	!> Check parameters routine for plant canopy model
1866	!--------------------------------------------------------------------------------------------------!
1867	SUBROUTINE im_check_parameters
1868
1869	! USE control_parameters,
1870	! ONLY: message_string
1871
1872	END SUBROUTINE im_check_parameters
1873
1874
1875	!--------------------------------------------------------------------------------------------------!
1876	! Description:
1877	!-------------
1878	!> Subroutine defining appropriate grid for netcdf variables.
1879	!> It is called from subroutine netcdf.
1880	!--------------------------------------------------------------------------------------------------!
1881	SUBROUTINE im_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
1882
1883	CHARACTER (LEN=*), INTENT(OUT) :: grid_x
1884	CHARACTER (LEN=*), INTENT(OUT) :: grid_y
1885	CHARACTER (LEN=*), INTENT(OUT) :: grid_z
1886	CHARACTER (LEN=*), INTENT(IN) :: var
1887
1888	LOGICAL, INTENT(OUT) :: found
1889
1890
1891	found = .TRUE.
1892	!
1893	!-- Check for the grid
1894	SELECT CASE ( TRIM( var ) )
1895
1896	CASE ( 'im_hf_roof', 'im_hf_roof_waste' )
1897	grid_x = 'x'
1898	grid_y = 'y'
1899	grid_z = 'zw'
1900	!
1901	!-- Heat fluxes at vertical walls are actually defined on stagged grid, i.e. xu, yv.
1902	CASE ( 'im_hf_wall_win', 'im_hf_wall_win_waste' )
1903	grid_x = 'x'
1904	grid_y = 'y'
1905	grid_z = 'zu'
1906
1907	CASE ( 'im_t_indoor_mean', 'im_t_indoor_roof', 'im_t_indoor_wall_win', 'indoor_wall' )
1908	grid_x = 'x'
1909	grid_y = 'y'
1910	grid_z = 'zw'
1911
1912	CASE DEFAULT
1913	found = .FALSE.
1914	grid_x = 'none'
1915	grid_y = 'none'
1916	grid_z = 'none'
1917	END SELECT
1918
1919	END SUBROUTINE im_define_netcdf_grid
1920
1921
1922	!--------------------------------------------------------------------------------------------------!
1923	! Description:
1924	! ------------
1925	!> Subroutine defining 3D output variables
1926	!--------------------------------------------------------------------------------------------------!
1927	SUBROUTINE im_data_output_3d( av, variable, found, local_pf, fill_value, nzb_do, nzt_do )
1928
1929	USE indices
1930
1931	USE kinds
1932
1933	CHARACTER (LEN=*) :: variable !<
1934
1935	INTEGER(iwp) :: av !<
1936	INTEGER(iwp) :: i !<
1937	INTEGER(iwp) :: j !<
1938	INTEGER(iwp) :: k !<
1939	INTEGER(iwp) :: l !<
1940	INTEGER(iwp) :: m !<
1941	INTEGER(iwp) :: nb !< index of the building in the building data structure
1942	INTEGER(iwp) :: nzb_do !< lower limit of the data output (usually 0)
1943	INTEGER(iwp) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d)
1944
1945	LOGICAL :: found !<
1946
1947	REAL(wp), INTENT(IN) :: fill_value !< value for the _FillValue attribute
1948
1949	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !<
1950
1951	local_pf = fill_value
1952
1953	found = .TRUE.
1954
1955	SELECT CASE ( TRIM( variable ) )
1956	!
1957	!-- Output of indoor temperature. All grid points within the building are filled with values,
1958	!-- while atmospheric grid points are set to _FillValues.
1959	CASE ( 'im_t_indoor_mean' )
1960	IF ( av == 0 ) THEN
1961	DO i = nxl, nxr
1962	DO j = nys, nyn
1963	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
1964	!
1965	!-- Determine index of the building within the building data structure.
1966	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM=1 )
1967	IF ( buildings(nb)%on_pe ) THEN
1968	!
1969	!-- Write mean building temperature onto output array. Please note, in
1970	!-- contrast to many other loops in the output, the vertical bounds are
1971	!-- determined by the lowest and hightest vertical index occupied by the
1972	!-- building.
1973	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
1974	local_pf(i,j,k) = buildings(nb)%t_in(k)
1975	ENDDO
1976	ENDIF
1977	ENDIF
1978	ENDDO
1979	ENDDO
1980	ENDIF
1981
1982	CASE ( 'im_hf_roof' )
1983	IF ( av == 0 ) THEN
1984	DO m = 1, surf_usm_h(0)%ns
1985	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
1986	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
1987	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
1988	local_pf(i,j,k) = surf_usm_h(0)%iwghf_eb(m)
1989	ENDDO
1990	ENDIF
1991
1992	CASE ( 'im_hf_roof_waste' )
1993	IF ( av == 0 ) THEN
1994	DO m = 1, surf_usm_h(0)%ns
1995	i = surf_usm_h(0)%i(m) !+ surf_usm_h%ioff
1996	j = surf_usm_h(0)%j(m) !+ surf_usm_h%joff
1997	k = surf_usm_h(0)%k(m) !+ surf_usm_h%koff
1998	local_pf(i,j,k) = surf_usm_h(0)%waste_heat(m)
1999	ENDDO
2000	ENDIF
2001
2002	CASE ( 'im_hf_wall_win' )
2003	IF ( av == 0 ) THEN
2004	DO l = 0, 3
2005	DO m = 1, surf_usm_v(l)%ns
2006	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
2007	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
2008	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
2009	local_pf(i,j,k) = surf_usm_v(l)%iwghf_eb(m)
2010	ENDDO
2011	ENDDO
2012	ENDIF
2013
2014	CASE ( 'im_hf_wall_win_waste' )
2015	IF ( av == 0 ) THEN
2016	DO l = 0, 3
2017	DO m = 1, surf_usm_v(l)%ns
2018	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
2019	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
2020	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
2021	local_pf(i,j,k) = surf_usm_v(l)%waste_heat(m)
2022	ENDDO
2023	ENDDO
2024	ENDIF
2025
2026	!
2027	!< NOTE im_t_indoor_roof and im_t_indoor_wall_win not work yet
2028
2029	! CASE ( 'im_t_indoor_roof' )
2030	! IF ( av == 0 ) THEN
2031	! DO m = 1, surf_usm_h%ns
2032	! i = surf_usm_h%i(m) !+ surf_usm_h%ioff
2033	! j = surf_usm_h%j(m) !+ surf_usm_h%joff
2034	! k = surf_usm_h%k(m) !+ surf_usm_h%koff
2035	! local_pf(i,j,k) = surf_usm_h%t_indoor(m)
2036	! ENDDO
2037	! ENDIF
2038	!
2039	! CASE ( 'im_t_indoor_wall_win' )
2040	! IF ( av == 0 ) THEN
2041	! DO l = 0, 3
2042	! DO m = 1, surf_usm_v(l)%ns
2043	! i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
2044	! j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
2045	! k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
2046	! local_pf(i,j,k) = surf_usm_v(l)%t_indoor(m)
2047	! ENDDO
2048	! ENDDO
2049	! ENDIF
2050
2051	CASE DEFAULT
2052	found = .FALSE.
2053
2054	END SELECT
2055
2056	END SUBROUTINE im_data_output_3d
2057
2058
2059	!--------------------------------------------------------------------------------------------------!
2060	! Description:
2061	! ------------
2062	!> Parin for &indoor_parameters for indoor model
2063	!--------------------------------------------------------------------------------------------------!
2064	SUBROUTINE im_parin
2065
2066	USE control_parameters, &
2067	ONLY: indoor_model
2068
2069
2070	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
2071
2072	NAMELIST /indoor_parameters/ initial_indoor_temperature
2073
2074
2075	!
2076	!-- Try to find indoor model package
2077	REWIND ( 11 )
2078	line = ' '
2079	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
2080	READ ( 11, '(A)', END=10 ) line
2081	ENDDO
2082	BACKSPACE ( 11 )
2083
2084	!
2085	!-- Read user-defined namelist
2086	READ ( 11, indoor_parameters )
2087	!
2088	!-- Set flag that indicates that the indoor model is switched on
2089	indoor_model = .TRUE.
2090
2091	!
2092	!-- Activate spinup (maybe later
2093	! IF ( spinup_time > 0.0_wp ) THEN
2094	! coupling_start_time = spinup_time
2095	! end_time = end_time + spinup_time
2096	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
2097	! spinup_pt_mean = pt_surface
2098	! ENDIF
2099	! spinup = .TRUE.
2100	! ENDIF
2101
2102	10 CONTINUE
2103
2104	END SUBROUTINE im_parin
2105
2106
2107	END MODULE indoor_model_mod

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