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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 3746

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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
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 2018-2018 Leibniz Universitaet Hannover
18	! Copyright 2018-2018 Hochschule Offenburg
19	!--------------------------------------------------------------------------------!
20	!
21	! Current revisions:
22	! -----------------
23	!
24	!
25	! Former revisions:
26	! -----------------
27	! $Id: indoor_model_mod.f90 3745 2019-02-15 18:57:56Z gronemeier $
28	! - remove building_type from module
29	! - initialize parameters for each building individually instead of a bulk
30	! initializaion with identical building type for all
31	! - output revised
32	! - add missing _wp
33	! - some restructuring of variables in building data structure
34	!
35	! 3744 2019-02-15 18:38:58Z suehring
36	! Some interface calls moved to module_interface + cleanup
37	!
38	! 3597 2018-12-04 08:40:18Z maronga
39	! Renamed t_surf_10cm to pt_10cm
40	!
41	! 3593 2018-12-03 13:51:13Z kanani
42	! Replace degree symbol by degree_C
43	!
44	! 3524 2018-11-14 13:36:44Z raasch
45	! working precision added to make code Fortran 2008 conform
46	!
47	! 3469 2018-10-30 20:05:07Z kanani
48	! Initial revision (tlang, suehring, kanani, srissman)
49	!
50	!
51	!
52	! Authors:
53	! --------
54	! @author Tobias Lang
55	! @author Jens Pfafferott
56	! @author Farah Kanani-Suehring
57	! @author Matthias Suehring
58	! @author Sascha RiÃmann
59	!
60	!
61	! Description:
62	! ------------
63	!> <Description of the new module>
64	!> Module for Indoor Climate Model (ICM)
65	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
66	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
67	!> This module differ between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine thermal comfort
68	!> the heat transfer between indoor and outdoor is simplified
69
70	!> @todo Replace window_area_per_facade by %frac(1,m) for window
71	!> @todo emissivity change for window blinds if solar_protection_on=1
72	!> @todo write datas in netcdf file as output data
73	!> @todo reduce the building volume with netto ground surface to take respect costruction areas like walls and ceilings. Have effect on factor_a, factor_c, airchange and lambda_at
74	!>
75	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
76	!> @note How to write indoor temperature output to pt array?
77	!>
78	!> @bug <Enter known bugs here>
79	!------------------------------------------------------------------------------!
80	MODULE indoor_model_mod
81
82	USE control_parameters, &
83	ONLY: initializing_actions
84
85	USE kinds
86
87	USE netcdf_data_input_mod, &
88	ONLY: building_id_f, building_type_f
89
90	USE surface_mod, &
91	ONLY: surf_usm_h, surf_usm_v
92
93
94	IMPLICIT NONE
95
96	!
97	!-- Define data structure for buidlings.
98	TYPE build
99
100	INTEGER(iwp) :: id !< building ID
101	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
102	INTEGER(iwp) :: kb_max !< highest vertical index of a building
103	INTEGER(iwp) :: num_facades_per_building_h !< total number of horizontal facades elements
104	INTEGER(iwp) :: num_facades_per_building_h_l !< number of horizontal facade elements on local subdomain
105	INTEGER(iwp) :: num_facades_per_building_v !< total number of vertical facades elements
106	INTEGER(iwp) :: num_facades_per_building_v_l !< number of vertical facade elements on local subdomain
107
108	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
109	!< for vertical surfaces with building
110	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
111	!< horizontal surfaces with building
112	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
113	!< vertical surfaces with building
114	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
115	!< and height level
116	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
117	!< and height level
118
119	INTEGER(iwp) :: ventilation_int_loads
120
121	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
122
123
124	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
125	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
126	REAL(wp) :: f_c_win !< [-] shading factor
127	REAL(wp) :: g_value_win !< [-] SHGC factor
128	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
129	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
130	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
131	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
132	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5
133	!< (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
134	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000
135	!< (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
136	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
137	REAL(wp) :: theta_int_h_set !< [degree_C] Max. Setpoint temperature (winter)
138	REAL(wp) :: theta_int_c_set !< [degree_C] Max. Setpoint temperature (summer)
139	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (negative)
140	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
141	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
142	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
143	REAL(wp) :: height_storey !< [m] storey heigth
144	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
145
146	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
147	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
148	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
149	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
150	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
151
152	END TYPE build
153
154	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
155
156	INTEGER(iwp) :: num_build !< total number of buildings in domain
157
158	REAL(wp) :: volume_fraction
159
160	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< dummy array for indoor temperature for the
161	!< total building volume at each discrete height level
162	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< dummy array for indoor temperature for the
163	!< local building volume fraction at each discrete height level
164
165	!
166	!-- Declare all global variables within the module
167
168	! INTEGER(iwp) :: building_type = 1 !< namelist parameter with
169	!< X1=construction year (cy) 1950, X2=cy 2000, X3=cy 2050
170	!< R=Residental building, O=Office, RW=Enlarged Windows, P=Panel type (Plattenbau) WBS 70, H=Hospital (in progress), I=Industrial halls (in progress), S=Special Building (in progress)
171	!< (0=R1, 1=R2, 2=R3, 3=O1, 4=O2, 5=O3,...)
172	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
173	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
174	INTEGER(iwp) :: solar_protection_off !< Solar protection off
175	INTEGER(iwp) :: solar_protection_on !< Solar protection on
176
177	REAL(wp) :: eff_mass_area !< [m2] the effective mass-related area
178	REAL(wp) :: floor_area_per_facade !< [m2] net floor area (Sum of all floors)
179	REAL(wp) :: total_area !<! [m2] area of all surfaces pointing to zone
180	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
181	REAL(wp) :: air_change !< [1/h] Airflow
182	REAL(wp) :: facade_element_area !< [m2_facade] building surface facade
183	REAL(wp) :: indoor_volume_per_facade !< [m3] indoor air volume per facade element
184	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
185	REAL(wp) :: dt_indoor = 3600.0_wp !< [s] namelist parameter: time interval for indoor-model application
186	REAL(wp) :: h_tr_1 !<! [W/K] Heat transfer coefficient auxiliary variable 1
187	REAL(wp) :: h_tr_2 !<! [W/K] Heat transfer coefficient auxiliary variable 2
188	REAL(wp) :: h_tr_3 !<! [W/K] Heat transfer coefficient auxiliary variable 3
189	REAL(wp) :: h_tr_em !<! [W/K] Heat transfer coefficient of the emmision (got with h_tr_ms the thermal mass)
190	REAL(wp) :: h_tr_is !<! [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
191	REAL(wp) :: h_tr_ms !<! [W/K] Heat transfer conductance term (got with h_tr_em the thermal mass)
192	REAL(wp) :: h_tr_op !<! [W/K] heat transfer coefficient of opaque components (assumption: got all thermal mass) contains of h_tr_em and h_tr_ms
193	REAL(wp) :: h_tr_w !<! [W/K] heat transfer coefficient of doors, windows, curtain walls and glazed walls (assumption: thermal mass=0)
194	REAL(wp) :: h_ve !<! [W/K] heat transfer of ventilation
195	REAL(wp) :: initial_indoor_temperature !< namelist parameter
196	REAL(wp) :: net_sw_in !< net short-wave radiation (in - out; was i_global --> CORRECT?)
197	REAL(wp) :: phi_hc_nd !<! [W] heating demand and/or cooling demand
198	REAL(wp) :: phi_hc_nd_10 !<! [W] heating demand and/or cooling demand for heating or cooling
199	REAL(wp) :: phi_hc_nd_ac !<! [W] actual heating demand and/or cooling demand
200	REAL(wp) :: phi_hc_nd_un !<! [W] unlimited heating demand and/or cooling demand which is necessary to reach the demanded required temperature (heating is positive, cooling is negative)
201	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
202	REAL(wp) :: phi_m !<! [W] mass specific thermal load (internal and external)
203	REAL(wp) :: phi_mtot !<! [W] total mass specific thermal load (internal and external)
204	REAL(wp) :: phi_sol !< [W] solar loads
205	REAL(wp) :: phi_st !<! [W] mass specific thermal load implied non thermal mass
206	REAL(wp) :: q_emission !< emissions, in first version = 0, option for second part of the project
207	REAL(wp) :: q_wall_win !< heat flux from indoor into wall/window
208	REAL(wp) :: q_waste_heat !< waste heat, sum of waste heat over the roof to Palm
209	REAL(wp) :: q_waste_heat_bldg !< [W/building] waste heat of the complete building, in Palm sum of all indoor_model-calculations
210	REAL(wp) :: schedule_d !< activation for internal loads (low or high + low)
211	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
212	REAL(wp) :: theta_air !<! [degree_C] air temperature of the RC-node
213	REAL(wp) :: theta_air_0 !<! [degree_C] air temperature of the RC-node in equilibrium
214	REAL(wp) :: theta_air_10 !<! [degree_C] air temperature of the RC-node from a heating capacity of 10 W/m2
215	REAL(wp) :: theta_air_ac !< [degree_C] actual room temperature after heating/cooling
216	REAL(wp) :: theta_air_set !< [degree_C] Setpoint_temperature for the room
217	REAL(wp) :: theta_m !<! [degree_C} inner temperature of the RC-node
218	REAL(wp) :: theta_m_t !<! [degree_C] (Fictive) component temperature timestep
219	REAL(wp) :: theta_m_t_prev !< [degree_C] (Fictive) component temperature previous timestep (do not change)
220	REAL(wp) :: theta_op !< [degree_C] operative temperature
221	REAL(wp) :: theta_s !<! [degree_C] surface temperature of the RC-node
222	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
223	REAL(wp) :: time_utc_hour !< Time in hours per day (UTC)
224	REAL(wp) :: ventilation_int_loads !< Zuteilung der GebÃ€ude fÃŒr Verlauf/AktivitÃ€t der LÃŒftung und internen Lasten
225
226	REAL(wp) :: f_sr !< [-] factor surface reduction
227	REAL(wp) :: f_cei !< [-] ceiling reduction factor
228	REAL(wp) :: ngs !< [m2] netto ground surface
229	REAL(wp) :: building_height
230
231	REAL(wp), PARAMETER :: params_f_f = 0.3_wp !< [-] frame ratio chap. 8.3.2.1.1 for buildings with mostly cooling 2.0_wp
232	REAL(wp), PARAMETER :: params_f_w = 0.9_wp !< [-] correction factor (fuer nicht senkrechten Stahlungseinfall DIN 4108-2 chap.8, (hier konstant, keine WinkelabhÃ€ngigkeit)
233	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus Datenbank 27 window_area_per_facade_percent
234	REAL(wp), PARAMETER :: params_solar_protection = 300.0_wp !< [W/m2] chap. G.5.3.1 sun protection closed, if the radiation on facade exceeds this value
235	REAL(wp), PARAMETER :: params_waste_heat_c = 4.0_wp !< [-] anthropogenic heat outputs for cooling e.g. 4 for KKM with COP = 3
236	REAL(wp), PARAMETER :: params_waste_heat_h = 1.111_wp !< [-] anthropogenic heat outputs for heating e.g. 1 / 0.9 = 1.111111 for combustion with eta = 0.9 or -3 for WP with COP = 4
237	REAL(wp), PARAMETER :: h_is = 3.45_wp !< [W/(m^2 K)] h_is = 3.45 between surface and air (chap. 7.2.2.2)
238	REAL(wp), PARAMETER :: h_ms = 9.1_wp !< [W/K] h_ms = 9.10 W / (m2 K) between component and surface (chap. 12.2.2)
239
240
241
242	SAVE
243
244
245	PRIVATE
246
247	!
248	!-- Add INTERFACES that must be available to other modules
249	PUBLIC im_init, im_main_heatcool, im_parin, im_define_netcdf_grid, &
250	im_check_data_output, im_data_output_3d, im_check_parameters
251
252
253	!
254	!-- Add VARIABLES that must be available to other modules
255	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
256
257	!
258	!-- PALM interfaces:
259	!-- Data output checks for 2D/3D data to be done in check_parameters
260	INTERFACE im_check_data_output
261	MODULE PROCEDURE im_check_data_output
262	END INTERFACE im_check_data_output
263	!
264	!-- Input parameter checks to be done in check_parameters
265	INTERFACE im_check_parameters
266	MODULE PROCEDURE im_check_parameters
267	END INTERFACE im_check_parameters
268	!
269	!-- Data output of 3D data
270	INTERFACE im_data_output_3d
271	MODULE PROCEDURE im_data_output_3d
272	END INTERFACE im_data_output_3d
273
274	!
275	!-- Definition of data output quantities
276	INTERFACE im_define_netcdf_grid
277	MODULE PROCEDURE im_define_netcdf_grid
278	END INTERFACE im_define_netcdf_grid
279	!
280	! !
281	! !-- Output of information to the header file
282	! INTERFACE im_header
283	! MODULE PROCEDURE im_header
284	! END INTERFACE im_header
285
286	!-- Data Output
287	! INTERFACE im_data_output
288	! MODULE PROCEDURE im_data_output
289	! END INTERFACE im_data_output
290	!
291	!-- Calculations for indoor temperatures
292	INTERFACE im_calc_temperatures
293	MODULE PROCEDURE im_calc_temperatures
294	END INTERFACE im_calc_temperatures
295	!
296	!-- Initialization actions
297	INTERFACE im_init
298	MODULE PROCEDURE im_init
299	END INTERFACE im_init
300	!
301	!-- Main part of indoor model
302	INTERFACE im_main_heatcool
303	MODULE PROCEDURE im_main_heatcool
304	END INTERFACE im_main_heatcool
305	!
306	!-- Reading of NAMELIST parameters
307	INTERFACE im_parin
308	MODULE PROCEDURE im_parin
309	END INTERFACE im_parin
310
311	CONTAINS
312
313	!------------------------------------------------------------------------------!
314	! Description:
315	! ------------
316	!< Calculation of the air temperatures and mean radiation temperature
317	!< This is basis for the operative temperature
318	!< Based on a Crank-Nicholson scheme with a timestep of a hour
319	!------------------------------------------------------------------------------!
320	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
321	near_facade_temperature, phi_hc_nd_dummy )
322
323	USE arrays_3d, &
324	ONLY: pt
325
326
327	IMPLICIT NONE
328
329
330	INTEGER(iwp) :: i
331	INTEGER(iwp) :: j
332	INTEGER(iwp) :: k
333
334	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
335	REAL(wp) :: near_facade_temperature
336	REAL(wp) :: phi_hc_nd_dummy
337
338
339	!< Calculation of total mass specific thermal load (internal and external)
340	phi_mtot = ( phi_m + h_tr_em * indoor_wall_window_temperature &
341	+ h_tr_3 * ( phi_st + h_tr_w * pt(k,j,i) &
342	+ h_tr_1 * &
343	( ( ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
344	+ near_facade_temperature ) &
345	) / h_tr_2 &
346	) !< [degree_C] Eq. (C.5)
347
348	!< Calculation of component temperature at factual timestep
349	theta_m_t = ( ( theta_m_t_prev &
350	* ( ( c_m / 3600.0_wp ) - 0.5_wp * ( h_tr_3 + h_tr_em ) ) + phi_mtot &
351	) &
352	/ ( ( c_m / 3600.0_wp ) + 0.5_wp * ( h_tr_3 + h_tr_em ) ) &
353	) !< [degree_C] Eq. (C.4)
354
355	!< Calculation of mean inner temperature for the RC-node in actual timestep
356	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5_wp !< [degree_C] Eq. (C.9)
357
358	!< Calculation of mean surface temperature of the RC-node in actual timestep
359	theta_s = ( ( h_tr_ms * theta_m + phi_st + h_tr_w * pt(k,j,i) &
360	+ h_tr_1 * ( near_facade_temperature + ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
361	) &
362	/ ( h_tr_ms + h_tr_w + h_tr_1 ) &
363	) !< [degree_C] Eq. (C.10)
364
365	!< Calculation of the air temperature of the RC-node
366	theta_air = ( h_tr_is * theta_s + h_ve * near_facade_temperature &
367	+ phi_ia + phi_hc_nd_dummy ) / ( h_tr_is + h_ve ) !< [degree_C] Eq. (C.11)
368
369	END SUBROUTINE im_calc_temperatures
370
371	!------------------------------------------------------------------------------!
372	! Description:
373	! ------------
374	!> Initialization of the indoor model.
375	!> Static information are calculated here, e.g. building parameters and
376	!> geometrical information, everything that doesn't change in time.
377	!
378	!-- Input values
379	!-- Input datas from Palm, M4
380	! i_global --> net_sw_in !global radiation [W/m2]
381	! theta_e --> pt(k,j,i) !undisturbed outside temperature, 1. PALM volume, for windows
382	! theta_sup = theta_f --> surf_usm_h%pt_10cm(m)
383	! surf_usm_v(l)%pt_10cm(m) !Air temperature, facade near (10cm) air temperature from 1. Palm volume
384	! theta_node --> t_wall_h(nzt_wall,m)
385	! t_wall_v(l)%t(nzt_wall,m) !Temperature of innermost wall layer, for opaque wall
386	!------------------------------------------------------------------------------!
387	SUBROUTINE im_init
388
389	USE arrays_3d, &
390	ONLY: dzw
391
392	USE control_parameters, &
393	ONLY: message_string
394
395	USE indices, &
396	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_0
397
398	USE grid_variables, &
399	ONLY: dx, dy
400
401	USE pegrid
402
403	USE surface_mod, &
404	ONLY: surf_usm_h, surf_usm_v
405
406	USE urban_surface_mod, &
407	ONLY: building_pars, building_type
408
409	IMPLICIT NONE
410
411	INTEGER(iwp) :: bt !< local building type
412	INTEGER(iwp) :: fa !< running index for facade elements of each building
413	INTEGER(iwp) :: i !< running index along x-direction
414	INTEGER(iwp) :: j !< running index along y-direction
415	INTEGER(iwp) :: k !< running index along z-direction
416	INTEGER(iwp) :: l !< running index for surface-element orientation
417	INTEGER(iwp) :: m !< running index surface elements
418	INTEGER(iwp) :: n !< building index
419	INTEGER(iwp) :: nb !< building index
420
421	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
422	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
423	!< multiple occurences are sorted out
424	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
425	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
426	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
427	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
428	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
429	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
430	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
431	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
432	!< horizontal facade elements
433	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
434	!< vertical facade elements
435	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
436	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
437
438	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
439	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
440
441	REAL(wp), DIMENSION(:), ALLOCATABLE :: local_weight !< dummy representing fraction of local on total building volume,
442	!< height dependent
443	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
444	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
445	!< on local subdomain
446
447	CALL location_message( 'initializing indoor model', .FALSE. )
448
449	!
450	!-- Initializing of indoor model is only possible if buildings can be
451	!-- distinguished by their IDs.
452	IF ( .NOT. building_id_f%from_file ) THEN
453	message_string = 'Indoor model requires information about building_id'
454	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
455	ENDIF
456	!
457	!-- Determine number of different building IDs on local subdomain.
458	num_buildings_l = 0
459	num_buildings = 0
460	ALLOCATE( build_ids_l(1) )
461	DO i = nxl, nxr
462	DO j = nys, nyn
463	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
464	IF ( num_buildings_l(myid) > 0 ) THEN
465	IF ( ANY( building_id_f%var(j,i) .EQ. build_ids_l ) ) THEN
466	CYCLE
467	ELSE
468	num_buildings_l(myid) = num_buildings_l(myid) + 1
469	!
470	!-- Resize array with different local building ids
471	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
472	build_ids_l_tmp = build_ids_l
473	DEALLOCATE( build_ids_l )
474	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
475	build_ids_l(1:num_buildings_l(myid)-1) = &
476	build_ids_l_tmp(1:num_buildings_l(myid)-1)
477	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
478	DEALLOCATE( build_ids_l_tmp )
479	ENDIF
480	!
481	!-- First occuring building id on PE
482	ELSE
483	num_buildings_l(myid) = num_buildings_l(myid) + 1
484	build_ids_l(1) = building_id_f%var(j,i)
485	ENDIF
486	ENDIF
487	ENDDO
488	ENDDO
489	!
490	!-- Determine number of building IDs for the entire domain. (Note, building IDs
491	!-- can appear multiple times as buildings might be distributed over several
492	!-- PEs.)
493	#if defined( __parallel )
494	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, &
495	MPI_INTEGER, MPI_SUM, comm2d, ierr )
496	#else
497	num_buildings = num_buildings_l
498	#endif
499	ALLOCATE( build_ids(1:SUM(num_buildings)) )
500	!
501	!-- Gather building IDs. Therefore, first, determine displacements used
502	!-- required for MPI_GATHERV call.
503	ALLOCATE( displace_dum(0:numprocs-1) )
504	displace_dum(0) = 0
505	DO i = 1, numprocs-1
506	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
507	ENDDO
508
509	#if defined( __parallel )
510	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
511	num_buildings(myid), &
512	MPI_INTEGER, &
513	build_ids, &
514	num_buildings, &
515	displace_dum, &
516	MPI_INTEGER, &
517	comm2d, ierr )
518
519	DEALLOCATE( displace_dum )
520
521	#else
522	build_ids = build_ids_l
523	#endif
524	!
525	!-- Note: in parallel mode, building IDs can occur mutliple times, as
526	!-- each PE has send its own ids. Therefore, sort out building IDs which
527	!-- appear multiple times.
528	num_build = 0
529	DO n = 1, SIZE(build_ids)
530
531	IF ( ALLOCATED(build_ids_final) ) THEN
532	IF ( ANY( build_ids(n) .EQ. build_ids_final ) ) THEN !FK: Warum ANY?, Warum .EQ.? --> s.o
533	CYCLE
534	ELSE
535	num_build = num_build + 1
536	!
537	!-- Resize
538	ALLOCATE( build_ids_final_tmp(1:num_build) )
539	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
540	DEALLOCATE( build_ids_final )
541	ALLOCATE( build_ids_final(1:num_build) )
542	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
543	build_ids_final(num_build) = build_ids(n)
544	DEALLOCATE( build_ids_final_tmp )
545	ENDIF
546	ELSE
547	num_build = num_build + 1
548	ALLOCATE( build_ids_final(1:num_build) )
549	build_ids_final(num_build) = build_ids(n)
550	ENDIF
551	ENDDO
552
553	!
554	!-- Allocate building-data structure array. Note, this is a global array
555	!-- and all building IDs on domain are known by each PE. Further attributes,
556	!-- e.g. height-dependent arrays, however, are only allocated on PEs where
557	!-- the respective building is present (in order to reduce memory demands).
558	ALLOCATE( buildings(1:num_build) )
559
560	!
561	!-- Store building IDs and check if building with certain ID is present on
562	!-- subdomain.
563	DO nb = 1, num_build
564	buildings(nb)%id = build_ids_final(nb)
565
566	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) &
567	buildings(nb)%on_pe = .TRUE.
568	ENDDO
569	!
570	!-- Determine the maximum vertical dimension occupied by each building.
571	ALLOCATE( k_min_l(1:num_build) )
572	ALLOCATE( k_max_l(1:num_build) )
573	k_min_l = nzt + 1
574	k_max_l = 0
575
576	DO i = nxl, nxr
577	DO j = nys, nyn
578	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
579	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
580	DIM = 1 )
581	DO k = nzb+1, nzt+1
582	!
583	!-- Check if grid point belongs to a building.
584	IF ( BTEST( wall_flags_0(k,j,i), 6 ) ) THEN
585	k_min_l(nb) = MIN( k_min_l(nb), k )
586	k_max_l(nb) = MAX( k_max_l(nb), k )
587	ENDIF
588
589	ENDDO
590	ENDIF
591	ENDDO
592	ENDDO
593
594	DO nb = 1, num_build
595	#if defined( __parallel )
596	CALL MPI_ALLREDUCE( k_min_l(nb), buildings(nb)%kb_min, 1, MPI_INTEGER, &
597	MPI_MIN, comm2d, ierr )
598	CALL MPI_ALLREDUCE( k_max_l(nb), buildings(nb)%kb_max, 1, MPI_INTEGER, &
599	MPI_MAX, comm2d, ierr )
600	#else
601	buildings(nb)%kb_min = k_min_l(nb)
602	buildings(nb)%kb_max = k_max_l(nb)
603	#endif
604
605	ENDDO
606
607	DEALLOCATE( k_min_l )
608	DEALLOCATE( k_max_l )
609	!
610	!-- Calculate building volume
611	DO nb = 1, num_build
612	!
613	!-- Allocate temporary array for summing-up building volume
614	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
615	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
616	volume = 0.0_wp
617	volume_l = 0.0_wp
618	!
619	!-- Calculate building volume per height level on each PE where
620	!-- these building is present.
621	IF ( buildings(nb)%on_pe ) THEN
622	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
623	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
624	buildings(nb)%volume = 0.0_wp
625	buildings(nb)%vol_frac = 0.0_wp
626
627	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) THEN
628	DO i = nxl, nxr
629	DO j = nys, nyn
630	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
631	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
632	volume_l(k) = dx * dy * dzw(k)
633	ENDDO
634	ENDDO
635	ENDDO
636	ENDIF
637	ENDIF
638	!
639	!-- Sum-up building volume from all subdomains
640	#if defined( __parallel )
641	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, &
642	comm2d, ierr )
643	#else
644	volume = volume_l
645	#endif
646	!
647	!-- Save total building volume as well as local fraction on volume on
648	!-- building data structure.
649	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
650	!
651	!-- Determine fraction of local on total building volume
652	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
653
654	DEALLOCATE( volume )
655	DEALLOCATE( volume_l )
656
657	ENDDO
658
659	!
660	!-- Allocate arrays for indoor temperature.
661	DO nb = 1, num_build
662	IF ( buildings(nb)%on_pe ) THEN
663	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
664	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
665	buildings(nb)%t_in = 0.0_wp
666	buildings(nb)%t_in_l = 0.0_wp
667	ENDIF
668	ENDDO
669	!
670	!-- Allocate arrays for number of facades per height level. Distinguish between
671	!-- horizontal and vertical facades.
672	DO nb = 1, num_build
673	IF ( buildings(nb)%on_pe ) THEN
674	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
675	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
676
677	buildings(nb)%num_facade_h = 0
678	buildings(nb)%num_facade_v = 0
679	ENDIF
680	ENDDO
681	!
682	!-- Determine number of facade elements per building on local subdomain.
683	!-- Distinguish between horizontal and vertical facade elements.
684	!
685	!-- Horizontal facades
686	buildings(:)%num_facades_per_building_h_l = 0
687	DO m = 1, surf_usm_h%ns
688	!
689	!-- For the current facade element determine corresponding building index.
690	!-- First, obtain j,j,k indices of the building. Please note the
691	!-- offset between facade/surface element and building location (for
692	!-- horizontal surface elements the horizontal offsets are zero).
693	i = surf_usm_h%i(m) + surf_usm_h%ioff
694	j = surf_usm_h%j(m) + surf_usm_h%joff
695	k = surf_usm_h%k(m) + surf_usm_h%koff
696	!
697	!-- Determine building index and check whether building is on PE
698	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
699	IF ( buildings(nb)%on_pe ) THEN
700	!
701	!-- Count number of facade elements at each height level.
702	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
703	!
704	!-- Moreover, sum up number of local facade elements per building.
705	buildings(nb)%num_facades_per_building_h_l = &
706	buildings(nb)%num_facades_per_building_h_l + 1
707	ENDIF
708	ENDDO
709	!
710	!-- Vertical facades
711	buildings(:)%num_facades_per_building_v_l = 0
712	DO l = 0, 3
713	DO m = 1, surf_usm_v(l)%ns
714	!
715	!-- For the current facade element determine corresponding building index.
716	!-- First, obtain j,j,k indices of the building. Please note the
717	!-- offset between facade/surface element and building location (for
718	!-- vertical surface elements the vertical offsets are zero).
719	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
720	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
721	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
722
723	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
724	DIM = 1 )
725	IF ( buildings(nb)%on_pe ) THEN
726	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
727	buildings(nb)%num_facades_per_building_v_l = &
728	buildings(nb)%num_facades_per_building_v_l + 1
729	ENDIF
730	ENDDO
731	ENDDO
732
733	!
734	!-- Determine total number of facade elements per building and assign number to
735	!-- building data type.
736	DO nb = 1, num_build
737	!
738	!-- Allocate dummy array used for summing-up facade elements.
739	!-- Please note, dummy arguments are necessary as building-date type
740	!-- arrays are not necessarily allocated on all PEs.
741	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
742	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
743	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
744	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
745	num_facades_h = 0
746	num_facades_v = 0
747	receive_dum_h = 0
748	receive_dum_v = 0
749
750	IF ( buildings(nb)%on_pe ) THEN
751	num_facades_h = buildings(nb)%num_facade_h
752	num_facades_v = buildings(nb)%num_facade_v
753	ENDIF
754
755	#if defined( __parallel )
756	CALL MPI_ALLREDUCE( num_facades_h, &
757	receive_dum_h, &
758	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
759	MPI_INTEGER, &
760	MPI_SUM, &
761	comm2d, &
762	ierr )
763
764	CALL MPI_ALLREDUCE( num_facades_v, &
765	receive_dum_v, &
766	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
767	MPI_INTEGER, &
768	MPI_SUM, &
769	comm2d, &
770	ierr )
771	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) & !FK: Was wenn not allocated? --> s.o.
772	buildings(nb)%num_facade_h = receive_dum_h
773	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) &
774	buildings(nb)%num_facade_v = receive_dum_v
775	#else
776	buildings(nb)%num_facade_h = num_facades_h
777	buildings(nb)%num_facade_v = num_facades_v
778	#endif
779	!
780	!-- Deallocate dummy arrays
781	DEALLOCATE( num_facades_h )
782	DEALLOCATE( num_facades_v )
783	DEALLOCATE( receive_dum_h )
784	DEALLOCATE( receive_dum_v )
785	!
786	!-- Allocate index arrays which link facade elements with surface-data type.
787	!-- Please note, no height levels are considered here (information is stored
788	!-- in surface-data type itself).
789	IF ( buildings(nb)%on_pe ) THEN
790	!
791	!-- Determine number of facade elements per building.
792	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
793	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
794	!
795	!-- Allocate arrays which link the building with the horizontal and vertical
796	!-- urban-type surfaces. Please note, linking arrays are allocated over all
797	!-- facade elements, which is required in case a building is located at the
798	!-- subdomain boundaries, where the building and the corresponding surface
799	!-- elements are located on different subdomains.
800	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
801
802	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
803	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
804	ENDIF
805	!
806	!-- Determine volume per facade element (vpf)
807	IF ( buildings(nb)%on_pe ) THEN
808	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
809
810	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
811	buildings(nb)%vpf(k) = buildings(nb)%volume(k) / &
812	( buildings(nb)%num_facade_h(k) + &
813	buildings(nb)%num_facade_v(k) )
814	ENDDO
815	ENDIF
816	ENDDO
817	!
818	!-- Link facade elements with surface data type.
819	!-- Allocate array for counting.
820	ALLOCATE( n_fa(1:num_build) )
821	n_fa = 1
822
823	DO m = 1, surf_usm_h%ns
824	i = surf_usm_h%i(m) + surf_usm_h%ioff
825	j = surf_usm_h%j(m) + surf_usm_h%joff
826
827	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
828
829	buildings(nb)%m_h(n_fa(nb)) = m
830	n_fa(nb) = n_fa(nb) + 1
831	ENDDO
832
833	n_fa = 1
834	DO l = 0, 3
835	DO m = 1, surf_usm_v(l)%ns
836	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
837	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
838
839	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
840
841	buildings(nb)%l_v(n_fa(nb)) = l
842	buildings(nb)%m_v(n_fa(nb)) = m
843	n_fa(nb) = n_fa(nb) + 1
844	ENDDO
845	ENDDO
846	DEALLOCATE( n_fa )
847
848	!
849	!-- Initialize building parameters, first by mean building type. Note,
850	!-- in this case all buildings have the same type.
851	!-- In a second step initialize with building tpyes from static input file,
852	!-- where building types can be individual for each building.
853	buildings(:)%lambda_layer3 = building_pars(63,building_type)
854	buildings(:)%s_layer3 = building_pars(57,building_type)
855	buildings(:)%f_c_win = building_pars(119,building_type)
856	buildings(:)%g_value_win = building_pars(120,building_type)
857	buildings(:)%u_value_win = building_pars(121,building_type)
858	buildings(:)%air_change_low = building_pars(122,building_type)
859	buildings(:)%air_change_high = building_pars(123,building_type)
860	buildings(:)%eta_ve = building_pars(124,building_type)
861	buildings(:)%factor_a = building_pars(125,building_type)
862	buildings(:)%factor_c = building_pars(126,building_type)
863	buildings(:)%lambda_at = building_pars(127,building_type)
864	buildings(:)%theta_int_h_set = building_pars(118,building_type)
865	buildings(:)%theta_int_c_set = building_pars(117,building_type)
866	buildings(:)%phi_h_max = building_pars(128,building_type)
867	buildings(:)%phi_c_max = building_pars(129,building_type)
868	buildings(:)%qint_high = building_pars(130,building_type)
869	buildings(:)%qint_low = building_pars(131,building_type)
870	buildings(:)%height_storey = building_pars(132,building_type)
871	buildings(:)%height_cei_con = building_pars(133,building_type)
872	!
873	!-- Initialize ventilaation load. Please note, building types > 7 are actually
874	!-- not allowed (check already in urban_surface_mod and netcdf_data_input_mod.
875	!-- However, the building data base may be later extended.
876	IF ( building_type == 1 .OR. building_type == 2 .OR. &
877	building_type == 3 .OR. building_type == 10 .OR. &
878	building_type == 11 .OR. building_type == 12 ) THEN
879	buildings(nb)%ventilation_int_loads = 1
880	!
881	!-- Office, building with large windows
882	ELSEIF ( building_type == 4 .OR. building_type == 5 .OR. &
883	building_type == 6 .OR. building_type == 7 .OR. &
884	building_type == 8 .OR. building_type == 9) THEN
885	buildings(nb)%ventilation_int_loads = 2
886	!
887	!-- Industry, hospitals
888	ELSEIF ( building_type == 13 .OR. building_type == 14 .OR. &
889	building_type == 15 .OR. building_type == 16 .OR. &
890	building_type == 17 .OR. building_type == 18 ) THEN
891	buildings(nb)%ventilation_int_loads = 3
892	ENDIF
893	!
894	!-- Initialization of building parameters - level 2
895	IF ( building_type_f%from_file ) THEN
896	DO i = nxl, nxr
897	DO j = nys, nyn
898	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
899	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
900	DIM = 1 )
901	bt = building_type_f%var(j,i)
902
903	buildings(nb)%lambda_layer3 = building_pars(63,bt)
904	buildings(nb)%s_layer3 = building_pars(57,bt)
905	buildings(nb)%f_c_win = building_pars(119,bt)
906	buildings(nb)%g_value_win = building_pars(120,bt)
907	buildings(nb)%u_value_win = building_pars(121,bt)
908	buildings(nb)%air_change_low = building_pars(122,bt)
909	buildings(nb)%air_change_high = building_pars(123,bt)
910	buildings(nb)%eta_ve = building_pars(124,bt)
911	buildings(nb)%factor_a = building_pars(125,bt)
912	buildings(nb)%factor_c = building_pars(126,bt)
913	buildings(nb)%lambda_at = building_pars(127,bt)
914	buildings(nb)%theta_int_h_set = building_pars(118,bt)
915	buildings(nb)%theta_int_c_set = building_pars(117,bt)
916	buildings(nb)%phi_h_max = building_pars(128,bt)
917	buildings(nb)%phi_c_max = building_pars(129,bt)
918	buildings(nb)%qint_high = building_pars(130,bt)
919	buildings(nb)%qint_low = building_pars(131,bt)
920	buildings(nb)%height_storey = building_pars(132,bt)
921	buildings(nb)%height_cei_con = building_pars(133,bt)
922	!
923	!-- Initialize ventilaation load. Please note, building types > 7
924	!-- are actually not allowed (check already in urban_surface_mod
925	!-- and netcdf_data_input_mod. However, the building data base may
926	!-- be later extended.
927	IF ( bt == 1 .OR. bt == 2 .OR. &
928	bt == 3 .OR. bt == 10 .OR. &
929	bt == 11 .OR. bt == 12 ) THEN
930	buildings(nb)%ventilation_int_loads = 1
931	!
932	!-- Office, building with large windows
933	ELSEIF ( bt == 4 .OR. bt == 5 .OR. &
934	bt == 6 .OR. bt == 7 .OR. &
935	bt == 8 .OR. bt == 9) THEN
936	buildings(nb)%ventilation_int_loads = 2
937	!
938	!-- Industry, hospitals
939	ELSEIF ( bt == 13 .OR. bt == 14 .OR. &
940	bt == 15 .OR. bt == 16 .OR. &
941	bt == 17 .OR. bt == 18 ) THEN
942	buildings(nb)%ventilation_int_loads = 3
943	ENDIF
944	ENDIF
945	ENDDO
946	ENDDO
947	ENDIF
948	!
949	!-- Initial room temperature [K]
950	!-- (after first loop, use theta_m_t as theta_m_t_prev)
951	theta_m_t_prev = initial_indoor_temperature
952	!
953	!-- Initialize indoor temperature. Actually only for output at initial state.
954	DO nb = 1, num_build
955	buildings(nb)%t_in(:) = initial_indoor_temperature
956	ENDDO
957
958	CALL location_message( 'finished', .TRUE. )
959
960	END SUBROUTINE im_init
961
962
963	!------------------------------------------------------------------------------!
964	! Description:
965	! ------------
966	!> Main part of the indoor model.
967	!> Calculation of .... (kanani: Please describe)
968	!------------------------------------------------------------------------------!
969	SUBROUTINE im_main_heatcool
970
971	USE arrays_3d, &
972	ONLY: ddzw, dzw
973
974	USE basic_constants_and_equations_mod, &
975	ONLY: c_p
976
977	USE control_parameters, &
978	ONLY: rho_surface
979
980	USE date_and_time_mod, &
981	ONLY: time_utc
982
983	USE grid_variables, &
984	ONLY: dx, dy
985
986	USE pegrid
987
988	USE surface_mod, &
989	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
990
991	USE urban_surface_mod, &
992	ONLY: nzt_wall, t_wall_h, t_wall_v, t_window_h, t_window_v, &
993	building_type
994
995
996	IMPLICIT NONE
997
998	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
999	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
1000	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
1001	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
1002	INTEGER(iwp) :: l !< running index for surface-element orientation
1003	INTEGER(iwp) :: m !< running index surface elements
1004	INTEGER(iwp) :: nb !< running index for buildings
1005	INTEGER(iwp) :: fa !< running index for facade elements of each building
1006
1007	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
1008	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
1009	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
1010
1011	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
1012	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
1013	!
1014	!-- Determine time of day in hours.
1015	time_utc_hour = time_utc / 3600.0_wp
1016	!
1017	!-- Following calculations must be done for each facade element.
1018	DO nb = 1, num_build
1019	!
1020	!-- First, check whether building is present on local subdomain.
1021	IF ( buildings(nb)%on_pe ) THEN
1022	!
1023	!-- Determine daily schedule. 08:00-18:00 = 1, other hours = 0.
1024	!-- Residental Building, panel WBS 70
1025	IF ( buildings(nb)%ventilation_int_loads == 1 ) THEN
1026	IF ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 8.0_wp ) THEN
1027	schedule_d = 1
1028	ELSEIF ( time_utc_hour >= 18.0_wp .AND. time_utc_hour <= 23.0_wp ) THEN
1029	schedule_d = 1
1030	ELSE
1031	schedule_d = 0
1032	ENDIF
1033	ENDIF
1034	!
1035	!-- Office, building with large windows
1036	IF ( buildings(nb)%ventilation_int_loads == 2 ) THEN
1037	IF ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
1038	schedule_d = 1
1039	ELSE
1040	schedule_d = 0
1041	ENDIF
1042	ENDIF
1043	!
1044	!-- Industry, hospitals
1045	IF ( buildings(nb)%ventilation_int_loads == 3 ) THEN
1046	IF ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
1047	schedule_d = 1
1048	ELSE
1049	schedule_d = 0
1050	ENDIF
1051	ENDIF
1052	!
1053	!-- Initialize/reset indoor temperature
1054	buildings(nb)%t_in_l = 0.0_wp
1055	!
1056	!-- Horizontal surfaces
1057	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
1058	!
1059	!-- Determine index where corresponding surface-type information
1060	!-- is stored.
1061	m = buildings(nb)%m_h(fa)
1062	!
1063	!-- Determine building height level index.
1064	kk = surf_usm_h%k(m) + surf_usm_h%koff
1065	!
1066	!-- Building geometries --> not time-dependent
1067	facade_element_area = dx * dy !< [m2] surface area per facade element
1068	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
1069	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
1070	window_area_per_facade = surf_usm_h%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
1071
1072	! building_height = buildings(nb)%num_facades_per_building_v_l * 0.1 * dzw(kk)
1073	building_height = buildings(nb)%kb_max * dzw(kk)
1074
1075	! print*, "building_height", building_height
1076	! print*, "num_facades_v_l", buildings(nb)%num_facades_per_building_v_l
1077	! print*, "num_facades_v", buildings(nb)%num_facades_per_building_v
1078	! print*, "kb_min_max", buildings(nb)%kb_min, buildings(nb)%kb_max
1079	! print*, "dzw kk", dzw(kk), kk
1080
1081	f_cei = building_height/(buildings(nb)%height_storey-buildings(nb)%height_cei_con) !< [-] factor for ceiling redcution
1082	ngs = buildings(nb)%vpf(kk)/f_cei !< [m2] calculation of netto ground surface
1083	f_sr = ngs/floor_area_per_facade !< [-] factor for surface reduction
1084	eff_mass_area = buildings(nb)%factor_a * ngs !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1085	c_m = buildings(nb)%factor_c * ngs !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1086	total_area = buildings(nb)%lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
1087
1088	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1089	h_tr_w = window_area_per_facade * buildings(nb)%u_value_win !< [W/K] only for windows
1090	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
1091	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
1092	h_tr_op = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) &
1093	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp ) + 1.0_wp / h_tr_ms )
1094	h_tr_em = 1.0_wp / ( 1.0_wp / h_tr_op - 1.0_wp / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
1095	!
1096	!-- internal air loads dependent on the occupacy of the room
1097	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
1098	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1099	* ngs ) !< [W] Eq. (C.1)
1100	!
1101	!-- Airflow dependent on the occupacy of the room
1102	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
1103	air_change = ( buildings(nb)%air_change_high * schedule_d + buildings(nb)%air_change_low ) !< [1/h]?
1104	!
1105	!-- Heat transfer of ventilation
1106	!-- not less than 0.01 W/K to provide division by 0 in further calculations
1107	!-- with heat capacity of air 0.33 Wh/m2K
1108	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1109	0.33_wp * (1.0_wp - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
1110
1111	!-- Heat transfer coefficient auxiliary variables
1112	h_tr_1 = 1.0_wp / ( ( 1.0_wp / h_ve ) + ( 1.0_wp / h_tr_is ) ) !< [W/K] Eq. (C.6)
1113	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
1114	h_tr_3 = 1.0_wp / ( ( 1.0_wp / h_tr_2 ) + ( 1.0_wp / h_tr_ms ) ) !< [W/K] Eq. (C.8)
1115	!
1116	!-- Net short-wave radiation through window area (was i_global)
1117	net_sw_in = surf_usm_h%rad_sw_in(m) - surf_usm_h%rad_sw_out(m)
1118	!
1119	!-- Quantities needed for im_calc_temperatures
1120	i = surf_usm_h%i(m)
1121	j = surf_usm_h%j(m)
1122	k = surf_usm_h%k(m)
1123	near_facade_temperature = surf_usm_h%pt_10cm(m)
1124	indoor_wall_window_temperature = &
1125	surf_usm_h%frac(ind_veg_wall,m) * t_wall_h(nzt_wall,m) &
1126	+ surf_usm_h%frac(ind_wat_win,m) * t_window_h(nzt_wall,m)
1127	!
1128	!-- Solar thermal gains. If net_sw_in larger than sun-protection
1129	!-- threshold parameter (params_solar_protection), sun protection will
1130	!-- be activated
1131	IF ( net_sw_in <= params_solar_protection ) THEN
1132	solar_protection_off = 1
1133	solar_protection_on = 0
1134	ELSE
1135	solar_protection_off = 0
1136	solar_protection_on = 1
1137	ENDIF
1138	!
1139	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
1140	!-- DIN 4108 - 2 chap.8
1141	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1142	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * solar_protection_on ) &
1143	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w !< [W]
1144	!
1145	!-- Calculation of the mass specific thermal load for internal and external heatsources of the inner node
1146	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
1147	!
1148	!-- Calculation mass specific thermal load implied non thermal mass
1149	phi_st = ( 1.0_wp - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1_wp * total_area ) ) ) &
1150	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
1151	!
1152	!-- Calculations for deriving indoor temperature and heat flux into the wall
1153	!-- Step 1: Indoor temperature without heating and cooling
1154	!-- section C.4.1 Picture C.2 zone 3)
1155	phi_hc_nd = 0.0_wp
1156
1157	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1158	near_facade_temperature, phi_hc_nd )
1159	!
1160	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
1161	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. theta_air <= buildings(nb)%theta_int_c_set ) THEN
1162	phi_hc_nd_ac = 0.0_wp
1163	phi_hc_nd = phi_hc_nd_ac
1164	theta_air_ac = theta_air
1165	!
1166	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1167	!-- again.
1168	ELSE
1169	!
1170	!-- Temperature not correct, calculation method according to section C4.2
1171	theta_air_0 = theta_air !< Note temperature without heating/cooling
1172
1173	!-- Heating or cooling?
1174	IF ( theta_air > buildings(nb)%theta_int_c_set ) THEN
1175	theta_air_set = buildings(nb)%theta_int_c_set
1176	ELSE
1177	theta_air_set = buildings(nb)%theta_int_h_set
1178	ENDIF
1179
1180	!-- Calculate the temperature with phi_hc_nd_10
1181	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1182	phi_hc_nd = phi_hc_nd_10
1183
1184	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1185	near_facade_temperature, phi_hc_nd )
1186
1187	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
1188	!
1189
1190	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
1191	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
1192
1193	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
1194	!-- If necessary, limit the power to maximum power
1195	!-- section C.4.1 Picture C.2 zone 2) and 4)
1196	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1197	phi_hc_nd_ac = phi_hc_nd_un
1198	phi_hc_nd = phi_hc_nd_un
1199	ELSE
1200	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
1201	!-- section C.4.1 Picture C.2 zone 1) and 5)
1202	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1203	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1204	ELSE
1205	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1206	ENDIF
1207	ENDIF
1208
1209	phi_hc_nd = phi_hc_nd_ac
1210	!
1211	!-- Calculate the temperature with phi_hc_nd_ac (new)
1212	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1213	near_facade_temperature, phi_hc_nd )
1214
1215	theta_air_ac = theta_air
1216
1217	ENDIF
1218	!
1219	!-- Update theta_m_t_prev
1220	theta_m_t_prev = theta_m_t
1221	!
1222	!-- Calculate the operating temperature with weighted mean temperature of air and mean solar temperature
1223	!-- Will be used for thermal comfort calculations
1224	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s !< [degree_C] operative Temperature Eq. (C.12)
1225	!
1226	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1227	!-- calculate heat transfer through wall layers towards the facade
1228	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
1229	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
1230	/ ( facade_element_area &
1231	- window_area_per_facade )
1232	!
1233	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
1234	surf_usm_h%iwghf_eb(m) = q_wall_win
1235	surf_usm_h%iwghf_eb_window(m) = q_wall_win
1236	!
1237	!-- Sum up operational indoor temperature per kk-level. Further below,
1238	!-- this temperature is reduced by MPI to one temperature per kk-level
1239	!-- and building (processor overlapping)
1240	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1241	!
1242	!-- Calculation of waste heat
1243	!-- Anthropogenic heat output
1244	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1245	heating_on = 1
1246	cooling_on = 0
1247	ELSE
1248	heating_on = 0
1249	cooling_on = 1
1250	ENDIF
1251
1252	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on))!< [W/GebÃ€udemodell] , observe the directional convention in PALM!
1253	surf_usm_h%waste_heat(m) = q_waste_heat
1254
1255	ENDDO !< Horizontal surfaces loop
1256	!
1257	!-- Vertical surfaces
1258	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
1259	!
1260	!-- Determine indices where corresponding surface-type information
1261	!-- is stored.
1262	l = buildings(nb)%l_v(fa)
1263	m = buildings(nb)%m_v(fa)
1264	!
1265	!-- Determine building height level index.
1266	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
1267	!
1268	!-- (SOME OF THE FOLLOWING (not time-dependent COULD PROBABLY GO INTO A FUNCTION
1269	!-- EXCEPT facade_element_area, EVERYTHING IS CALCULATED EQUALLY)
1270	!-- Building geometries --> not time-dependent
1271	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk) !< [m2] surface area per facade element
1272	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk) !< [m2] surface area per facade element
1273	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
1274	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
1275	window_area_per_facade = surf_usm_v(l)%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
1276
1277	building_height = buildings(nb)%kb_max * dzw(kk)
1278	f_cei = building_height/(buildings(nb)%height_storey-buildings(nb)%height_cei_con) !< [-] factor for ceiling redcution
1279	ngs = buildings(nb)%vpf(kk)/f_cei !< [m2] calculation of netto ground surface
1280	f_sr = ngs/floor_area_per_facade !< [-] factor for surface reduction
1281	eff_mass_area = buildings(nb)%factor_a * ngs !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1282	c_m = buildings(nb)%factor_c * ngs !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1283	total_area = buildings(nb)%lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
1284	!
1285	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1286	h_tr_w = window_area_per_facade * buildings(nb)%u_value_win !< [W/K] only for windows
1287	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
1288	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
1289	h_tr_op = 1.0_wp / ( 1.0_wp / ( ( facade_element_area - window_area_per_facade ) &
1290	* buildings(nb)%lambda_layer3 / buildings(nb)%s_layer3 * 0.5_wp ) + 1.0_wp / h_tr_ms )
1291	h_tr_em = 1.0_wp / ( 1.0_wp / h_tr_op - 1.0_wp / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
1292	!
1293	!-- internal air loads dependent on the occupacy of the room
1294	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
1295	phi_ia = 0.5_wp * ( ( buildings(nb)%qint_high * schedule_d + buildings(nb)%qint_low ) &
1296	* ngs ) !< [W] Eq. (C.1)
1297	!
1298	!-- Airflow dependent on the occupacy of the room
1299	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
1300	air_change = ( buildings(nb)%air_change_high * schedule_d + buildings(nb)%air_change_low )
1301	!
1302	!-- Heat transfer of ventilation
1303	!-- not less than 0.01 W/K to provide division by 0 in further calculations
1304	!-- with heat capacity of air 0.33 Wh/m2K
1305	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1306	0.33_wp * (1 - buildings(nb)%eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
1307
1308	!-- Heat transfer coefficient auxiliary variables
1309	h_tr_1 = 1.0_wp / ( ( 1.0_wp / h_ve ) + ( 1.0_wp / h_tr_is ) ) !< [W/K] Eq. (C.6)
1310	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
1311	h_tr_3 = 1.0_wp / ( ( 1.0_wp / h_tr_2 ) + ( 1.0_wp / h_tr_ms ) ) !< [W/K] Eq. (C.8)
1312	!
1313	!-- Net short-wave radiation through window area (was i_global)
1314	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
1315	!
1316	!-- Quantities needed for im_calc_temperatures
1317	i = surf_usm_v(l)%i(m)
1318	j = surf_usm_v(l)%j(m)
1319	k = surf_usm_v(l)%k(m)
1320	near_facade_temperature = surf_usm_v(l)%pt_10cm(m)
1321	indoor_wall_window_temperature = &
1322	surf_usm_v(l)%frac(ind_veg_wall,m) * t_wall_v(l)%t(nzt_wall,m) &
1323	+ surf_usm_v(l)%frac(ind_wat_win,m) * t_window_v(l)%t(nzt_wall,m)
1324	!
1325	!-- Solar thermal gains. If net_sw_in larger than sun-protection
1326	!-- threshold parameter (params_solar_protection), sun protection will
1327	!-- be activated
1328	IF ( net_sw_in <= params_solar_protection ) THEN
1329	solar_protection_off = 1
1330	solar_protection_on = 0
1331	ELSE
1332	solar_protection_off = 0
1333	solar_protection_on = 1
1334	ENDIF
1335	!
1336	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
1337	!-- DIN 4108 - 2 chap.8
1338	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1339	+ window_area_per_facade * net_sw_in * buildings(nb)%f_c_win * solar_protection_on ) &
1340	* buildings(nb)%g_value_win * ( 1.0_wp - params_f_f ) * params_f_w
1341	!
1342	!-- Calculation of the mass specific thermal load for internal and external heatsources
1343	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
1344	!
1345	!-- Calculation mass specific thermal load implied non thermal mass
1346	phi_st = ( 1.0_wp - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1_wp * total_area ) ) ) &
1347	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
1348	!
1349	!-- Calculations for deriving indoor temperature and heat flux into the wall
1350	!-- Step 1: Indoor temperature without heating and cooling
1351	!-- section C.4.1 Picture C.2 zone 3)
1352	phi_hc_nd = 0.0_wp
1353	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1354	near_facade_temperature, phi_hc_nd )
1355	!
1356	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
1357	IF ( buildings(nb)%theta_int_h_set <= theta_air .AND. theta_air <= buildings(nb)%theta_int_c_set ) THEN
1358	phi_hc_nd_ac = 0.0_wp
1359	phi_hc_nd = phi_hc_nd_ac
1360	theta_air_ac = theta_air
1361	!
1362	!-- Step 2: Else, apply 10 W/m2 heating/cooling power and calculate indoor temperature
1363	!-- again.
1364	ELSE
1365	!
1366	!-- Temperature not correct, calculation method according to section C4.2
1367	theta_air_0 = theta_air !< Note temperature without heating/cooling
1368
1369	!-- Heating or cooling?
1370	IF ( theta_air > buildings(nb)%theta_int_c_set ) THEN
1371	theta_air_set = buildings(nb)%theta_int_c_set
1372	ELSE
1373	theta_air_set = buildings(nb)%theta_int_h_set
1374	ENDIF
1375
1376	!-- Calculate the temperature with phi_hc_nd_10
1377	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1378	phi_hc_nd = phi_hc_nd_10
1379
1380	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1381	near_facade_temperature, phi_hc_nd )
1382
1383	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
1384
1385
1386	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
1387	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
1388	!
1389	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
1390	!-- If necessary, limit the power to maximum power
1391	!-- section C.4.1 Picture C.2 zone 2) and 4)
1392	IF ( buildings(nb)%phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < buildings(nb)%phi_h_max ) THEN
1393	phi_hc_nd_ac = phi_hc_nd_un
1394	phi_hc_nd = phi_hc_nd_un
1395	ELSE
1396	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
1397	!-- section C.4.1 Picture C.2 zone 1) and 5)
1398	IF ( phi_hc_nd_un > 0.0_wp ) THEN
1399	phi_hc_nd_ac = buildings(nb)%phi_h_max !< Limit heating
1400	ELSE
1401	phi_hc_nd_ac = buildings(nb)%phi_c_max !< Limit cooling
1402	ENDIF
1403	ENDIF
1404
1405	phi_hc_nd = phi_hc_nd_ac
1406	!
1407	!-- Calculate the temperature with phi_hc_nd_ac (new)
1408	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1409	near_facade_temperature, phi_hc_nd )
1410
1411	theta_air_ac = theta_air
1412
1413	ENDIF
1414	!
1415	!-- Update theta_m_t_prev
1416	theta_m_t_prev = theta_m_t
1417	!
1418	!-- Calculate the operating temperature with weighted mean of temperature of air and mean
1419	!-- Will be used for thermal comfort calculations
1420	theta_op = 0.3_wp * theta_air_ac + 0.7_wp * theta_s
1421	!
1422	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1423	!-- calculate heat transfer through wall layers towards the facade
1424	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
1425	/ ( facade_element_area &
1426	- window_area_per_facade )
1427	!
1428	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
1429	surf_usm_v(l)%iwghf_eb(m) = q_wall_win
1430	surf_usm_v(l)%iwghf_eb_window(m) = q_wall_win
1431	!
1432	!-- Sum up operational indoor temperature per kk-level. Further below,
1433	!-- this temperature is reduced by MPI to one temperature per kk-level
1434	!-- and building (processor overlapping)
1435	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1436
1437	!
1438	!-- Calculation of waste heat
1439	!-- Anthropogenic heat output
1440	IF ( phi_hc_nd_ac > 0.0_wp ) THEN
1441	heating_on = 1
1442	cooling_on = 0
1443	ELSE
1444	heating_on = 0
1445	cooling_on = 1
1446	ENDIF
1447
1448	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on))!< [W/GebÃ€udemodell] , observe the directional convention in PALM!
1449	surf_usm_v(l)%waste_heat(m) = q_waste_heat
1450
1451	ENDDO !< Vertical surfaces loop
1452
1453	ENDIF !< buildings(nb)%on_pe
1454	ENDDO !< buildings loop
1455
1456	!
1457	!-- Determine the mean building temperature.
1458	DO nb = 1, num_build
1459	!
1460	!-- Allocate dummy array used for summing-up facade elements.
1461	!-- Please note, dummy arguments are necessary as building-date type
1462	!-- arrays are not necessarily allocated on all PEs.
1463	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1464	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1465	t_in_l_send = 0.0_wp
1466	t_in_recv = 0.0_wp
1467
1468	IF ( buildings(nb)%on_pe ) THEN
1469	t_in_l_send = buildings(nb)%t_in_l
1470	ENDIF
1471
1472	#if defined( __parallel )
1473	CALL MPI_ALLREDUCE( t_in_l_send, &
1474	t_in_recv, &
1475	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
1476	MPI_REAL, &
1477	MPI_SUM, &
1478	comm2d, &
1479	ierr )
1480
1481	IF ( ALLOCATED( buildings(nb)%t_in ) ) &
1482	buildings(nb)%t_in = t_in_recv
1483	#else
1484	buildings(nb)%t_in = buildings(nb)%t_in_l
1485	#endif
1486
1487	buildings(nb)%t_in = buildings(nb)%t_in / &
1488	( buildings(nb)%num_facade_h + &
1489	buildings(nb)%num_facade_v )
1490	!
1491	!-- Deallocate dummy arrays
1492	DEALLOCATE( t_in_l_send )
1493	DEALLOCATE( t_in_recv )
1494
1495	ENDDO
1496
1497
1498	END SUBROUTINE im_main_heatcool
1499
1500	!-----------------------------------------------------------------------------!
1501	! Description:
1502	!-------------
1503	!> Check data output for plant canopy model
1504	!-----------------------------------------------------------------------------!
1505	SUBROUTINE im_check_data_output( var, unit )
1506
1507	IMPLICIT NONE
1508
1509	CHARACTER (LEN=*) :: unit !<
1510	CHARACTER (LEN=*) :: var !<
1511
1512	SELECT CASE ( TRIM( var ) )
1513
1514
1515	CASE ( 'im_hf_roof')
1516	unit = 'W m-2'
1517
1518	CASE ( 'im_hf_wall_win' )
1519	unit = 'W m-2'
1520
1521	CASE ( 'im_hf_wall_win_waste' )
1522	unit = 'W m-2'
1523
1524	CASE ( 'im_hf_roof_waste' )
1525	unit = 'W m-2'
1526
1527	CASE ( 'im_t_indoor' )
1528	unit = 'K'
1529
1530	CASE DEFAULT
1531	unit = 'illegal'
1532
1533	END SELECT
1534
1535	END SUBROUTINE
1536
1537
1538	!-----------------------------------------------------------------------------!
1539	! Description:
1540	!-------------
1541	!> Check parameters routine for plant canopy model
1542	!-----------------------------------------------------------------------------!
1543	SUBROUTINE im_check_parameters
1544
1545	!!!! USE control_parameters,
1546	!!!! ONLY: message_string
1547
1548	IMPLICIT NONE
1549
1550	END SUBROUTINE im_check_parameters
1551
1552	!-----------------------------------------------------------------------------!
1553	! Description:
1554	!-------------
1555	!> Subroutine defining appropriate grid for netcdf variables.
1556	!> It is called from subroutine netcdf.
1557	!-----------------------------------------------------------------------------!
1558	SUBROUTINE im_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
1559
1560	IMPLICIT NONE
1561
1562	CHARACTER (LEN=*), INTENT(IN) :: var
1563	LOGICAL, INTENT(OUT) :: found
1564	CHARACTER (LEN=*), INTENT(OUT) :: grid_x
1565	CHARACTER (LEN=*), INTENT(OUT) :: grid_y
1566	CHARACTER (LEN=*), INTENT(OUT) :: grid_z
1567
1568	found = .TRUE.
1569
1570	!
1571	!-- Check for the grid
1572	SELECT CASE ( TRIM( var ) )
1573
1574	CASE ( 'im_hf_roof', 'im_hf_roof_waste' )
1575	grid_x = 'x'
1576	grid_y = 'y'
1577	grid_z = 'zw'
1578	!
1579	!-- Heat fluxes at vertical walls are actually defined on stagged grid, i.e. xu, yv.
1580	CASE ( 'im_hf_wall_win', 'im_hf_wall_win_waste' )
1581	grid_x = 'x'
1582	grid_y = 'y'
1583	grid_z = 'zu'
1584
1585	CASE ( 'im_t_indoor' )
1586	grid_x = 'x'
1587	grid_y = 'y'
1588	grid_z = 'zw'
1589
1590	CASE DEFAULT
1591	found = .FALSE.
1592	grid_x = 'none'
1593	grid_y = 'none'
1594	grid_z = 'none'
1595	END SELECT
1596
1597	END SUBROUTINE im_define_netcdf_grid
1598
1599	!------------------------------------------------------------------------------!
1600	! Description:
1601	! ------------
1602	!> Subroutine defining 3D output variables
1603	!------------------------------------------------------------------------------!
1604	SUBROUTINE im_data_output_3d( av, variable, found, local_pf, fill_value, &
1605	nzb_do, nzt_do )
1606
1607	USE indices
1608
1609	USE kinds
1610
1611	IMPLICIT NONE
1612
1613	CHARACTER (LEN=*) :: variable !<
1614
1615	INTEGER(iwp) :: av !<
1616	INTEGER(iwp) :: i !<
1617	INTEGER(iwp) :: j !<
1618	INTEGER(iwp) :: k !<
1619	INTEGER(iwp) :: l !<
1620	INTEGER(iwp) :: m !<
1621	INTEGER(iwp) :: nb !< index of the building in the building data structure
1622	INTEGER(iwp) :: nzb_do !< lower limit of the data output (usually 0)
1623	INTEGER(iwp) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d)
1624
1625
1626	LOGICAL :: found !<
1627
1628	REAL(wp), INTENT(IN) :: fill_value !< value for the _FillValue attribute
1629
1630	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !<
1631
1632	local_pf = fill_value
1633
1634	found = .TRUE.
1635
1636	SELECT CASE ( TRIM( variable ) )
1637	!
1638	!-- Output of indoor temperature. All grid points within the building are
1639	!-- filled with values, while atmospheric grid points are set to _FillValues.
1640	CASE ( 'im_t_indoor' )
1641	IF ( av == 0 ) THEN
1642	DO i = nxl, nxr
1643	DO j = nys, nyn
1644	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
1645	!
1646	!-- Determine index of the building within the building data structure.
1647	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
1648	DIM = 1 )
1649	!
1650	!-- Write mean building temperature onto output array. Please note,
1651	!-- in contrast to many other loops in the output, the vertical
1652	!-- bounds are determined by the lowest and hightest vertical index
1653	!-- occupied by the building.
1654	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
1655	local_pf(i,j,k) = buildings(nb)%t_in(k)
1656	ENDDO
1657	ENDIF
1658	ENDDO
1659	ENDDO
1660	ENDIF
1661
1662	CASE ( 'im_hf_roof' )
1663	IF ( av == 0 ) THEN
1664	DO m = 1, surf_usm_h%ns
1665	i = surf_usm_h%i(m) !+ surf_usm_h%ioff
1666	j = surf_usm_h%j(m) !+ surf_usm_h%joff
1667	k = surf_usm_h%k(m) !+ surf_usm_h%koff
1668	local_pf(i,j,k) = surf_usm_h%iwghf_eb(m)
1669	ENDDO
1670	ENDIF
1671
1672	CASE ( 'im_hf_roof_waste' )
1673	IF ( av == 0 ) THEN
1674	DO m = 1, surf_usm_h%ns
1675	i = surf_usm_h%i(m) !+ surf_usm_h%ioff
1676	j = surf_usm_h%j(m) !+ surf_usm_h%joff
1677	k = surf_usm_h%k(m) !+ surf_usm_h%koff
1678	local_pf(i,j,k) = surf_usm_h%waste_heat(m)
1679	ENDDO
1680	ENDIF
1681
1682	CASE ( 'im_hf_wall_win' )
1683	IF ( av == 0 ) THEN
1684	DO l = 0, 3
1685	DO m = 1, surf_usm_v(l)%ns
1686	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
1687	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
1688	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
1689	local_pf(i,j,k) = surf_usm_v(l)%iwghf_eb(m)
1690	ENDDO
1691	ENDDO
1692	ENDIF
1693
1694	CASE ( 'im_hf_wall_win_waste' )
1695	IF ( av == 0 ) THEN
1696	DO l = 0, 3
1697	DO m = 1, surf_usm_v(l)%ns
1698	i = surf_usm_v(l)%i(m) !+ surf_usm_v(l)%ioff
1699	j = surf_usm_v(l)%j(m) !+ surf_usm_v(l)%joff
1700	k = surf_usm_v(l)%k(m) !+ surf_usm_v(l)%koff
1701	local_pf(i,j,k) = surf_usm_v(l)%waste_heat(m)
1702	ENDDO
1703	ENDDO
1704	ENDIF
1705
1706	CASE DEFAULT
1707	found = .FALSE.
1708
1709	END SELECT
1710
1711	END SUBROUTINE im_data_output_3d
1712	!------------------------------------------------------------------------------!
1713	! Description:
1714	! ------------
1715	!> Parin for &indoor_parameters for indoor model
1716	!------------------------------------------------------------------------------!
1717	SUBROUTINE im_parin
1718
1719	USE control_parameters, &
1720	ONLY: indoor_model
1721
1722	IMPLICIT NONE
1723
1724	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
1725
1726	NAMELIST /indoor_parameters/ dt_indoor, initial_indoor_temperature
1727
1728	!
1729	!-- Try to find indoor model package
1730	REWIND ( 11 )
1731	line = ' '
1732	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
1733	READ ( 11, '(A)', END=10 ) line
1734	ENDDO
1735	BACKSPACE ( 11 )
1736
1737	!
1738	!-- Read user-defined namelist
1739	READ ( 11, indoor_parameters )
1740	!
1741	!-- Set flag that indicates that the indoor model is switched on
1742	indoor_model = .TRUE.
1743
1744	!
1745	!-- Activate spinup (maybe later
1746	! IF ( spinup_time > 0.0_wp ) THEN
1747	! coupling_start_time = spinup_time
1748	! end_time = end_time + spinup_time
1749	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
1750	! spinup_pt_mean = pt_surface
1751	! ENDIF
1752	! spinup = .TRUE.
1753	! ENDIF
1754
1755	10 CONTINUE
1756
1757	END SUBROUTINE im_parin
1758
1759
1760	END MODULE indoor_model_mod

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