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source: palm/trunk/SOURCE/indoor_model_mod.f90 @ 3587

Last change on this file since 3587 was 3524, checked in by raasch, 6 years ago
unused variables removed, missing working precision added, missing preprocessor directives added, bugfix concerning allocation of t_surf_wall_v in nopointer case, declaration statements rearranged to avoid compile time errors, mpi_abort arguments replaced to avoid compile errors
Property svn:keywords set to `Id`
File size: 69.6 KB

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1	!> @file indoor_model_mod.f90
2	!--------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
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 3524 2018-11-14 13:36:44Z sward $
28	! working precision added to make code Fortran 2008 conform
29	!
30	! 3469 2018-10-30 20:05:07Z kanani
31	! Initial revision (tlang, suehring, kanani, srissman)
32	!
33	!
34	!
35	! Authors:
36	! --------
37	! @author Tobias Lang
38	! @author Jens Pfafferott
39	! @author Farah Kanani-Suehring
40	! @author Matthias Suehring
41	! @author Sascha RiÃmann
42	!
43	!
44	! Description:
45	! ------------
46	!> <Description of the new module>
47	!> Module for Indoor Climate Model (ICM)
48	!> The module is based on the DIN EN ISO 13790 with simplified hour-based procedure.
49	!> This model is a equivalent circuit diagram of a three-point RC-model (5R1C).
50	!> This module differ between indoor-air temperature an average temperature of indoor surfaces which make it prossible to determine thermal comfort
51	!> the heat transfer between indoor and outdoor is simplified
52
53	!> @todo Replace window_area_per_facade by %frac(1,m) for window
54	!> @todo emissivity change for window blinds if solar_protection_on=1
55	!> @todo write datas in netcdf file as output data
56	!> @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
57	!>
58	!> @note Do we allow use of integer flags, or only logical flags? (concerns e.g. cooling_on, heating_on)
59	!> @note How to write indoor temperature output to pt array?
60	!>
61	!> @bug <Enter known bugs here>
62	!------------------------------------------------------------------------------!
63	MODULE indoor_model_mod
64
65	USE control_parameters, &
66	ONLY: initializing_actions
67
68	USE kinds
69
70	USE surface_mod, &
71	ONLY: surf_usm_h, surf_usm_v
72
73
74	IMPLICIT NONE
75
76	!
77	!-- Define data structure for buidlings.
78	TYPE build
79
80	INTEGER(iwp) :: id !< building ID
81	INTEGER(iwp) :: kb_min !< lowest vertical index of a building
82	INTEGER(iwp) :: kb_max !< highest vertical index of a building
83	INTEGER(iwp) :: num_facades_per_building_h !< total number of horizontal facades elements
84	INTEGER(iwp) :: num_facades_per_building_h_l !< number of horizontal facade elements on local subdomain
85	INTEGER(iwp) :: num_facades_per_building_v !< total number of vertical facades elements
86	INTEGER(iwp) :: num_facades_per_building_v_l !< number of vertical facade elements on local subdomain
87
88	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: l_v !< index array linking surface-element orientation index
89	!< for vertical surfaces with building
90	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_h !< index array linking surface-element index for
91	!< horizontal surfaces with building
92	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: m_v !< index array linking surface-element index for
93	!< vertical surfaces with building
94	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_h !< number of horizontal facade elements per buidling
95	!< and height level
96	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facade_v !< number of vertical facades elements per buidling
97	!< and height level
98
99	LOGICAL :: on_pe = .FALSE. !< flag indicating whether a building with certain ID is on local subdomain
100
101	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< mean building indoor temperature, height dependent
102	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< mean building indoor temperature on local subdomain, height dependent
103	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume, height dependent
104	REAL(wp), DIMENSION(:), ALLOCATABLE :: vol_frac !< fraction of local on total building volume, height dependent
105	REAL(wp), DIMENSION(:), ALLOCATABLE :: vpf !< building volume volume per facade element, height dependent
106
107	END TYPE build
108
109	TYPE(build), DIMENSION(:), ALLOCATABLE :: buildings !< building array
110
111	INTEGER(iwp) :: num_build !< total number of buildings in domain
112
113	REAL(wp) :: volume_fraction
114
115	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in !< dummy array for indoor temperature for the
116	!< total building volume at each discrete height level
117	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l !< dummy array for indoor temperature for the
118	!< local building volume fraction at each discrete height level
119
120	!
121	!-- Declare all global variables within the module
122
123	INTEGER(iwp) :: building_type = 1 !< namelist parameter with
124	!< X1=construction year (cy) 1950, X2=cy 2000, X3=cy 2050
125	!< 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)
126	!< (0=R1, 1=R2, 2=R3, 3=O1, 4=O2, 5=O3,...)
127	INTEGER(iwp) :: cooling_on !< Indoor cooling flag (0=off, 1=on)
128	INTEGER(iwp) :: heating_on !< Indoor heating flag (0=off, 1=on)
129	INTEGER(iwp) :: solar_protection_off !< Solar protection off
130	INTEGER(iwp) :: solar_protection_on !< Solar protection on
131
132	REAL(wp) :: air_change_high !< [1/h] air changes per time_utc_hour
133	REAL(wp) :: air_change_low !< [1/h] air changes per time_utc_hour
134	REAL(wp) :: eff_mass_area !< [mÂ²] the effective mass-related area
135	REAL(wp) :: floor_area_per_facade !< [mÂ²] net floor area (Sum of all floors)
136	REAL(wp) :: total_area !<! [mÂ²] area of all surfaces pointing to zone
137	REAL(wp) :: window_area_per_facade !< [m2] window area per facade element
138	REAL(wp) :: air_change !< [1/h] Airflow
139	REAL(wp) :: bldg_part_surf_i = 4 !< [mÂ²_surf,i] part building surface, from Palm, das mÃŒsste mittlerweile "facade_element_area" sein!
140	REAL(wp) :: facade_element_area !< [mÂ²_facade] building surface facade
141	REAL(wp) :: indoor_volume_per_facade !< [mÂ³] indoor air volume per facade element
142	REAL(wp) :: c_m !< [J/K] internal heat storage capacity
143	REAL(wp) :: dt_indoor = 3600.0_wp !< [s] namelist parameter: time interval for indoor-model application
144	REAL(wp) :: eta_ve !< [-] heat recovery efficiency
145	REAL(wp) :: f_c_win !< [-] shading factor
146	REAL(wp) :: factor_a !< [-] Dynamic parameters specific effective surface according to Table 12; 2.5 (very light, light and medium), 3.0 (heavy), 3.5 (very heavy)
147	REAL(wp) :: factor_c !< [J/(m2 K)] Dynamic parameters inner heatstorage according to Table 12; 80000 (very light), 110000 (light), 165000 (medium), 260000 (heavy), 370000 (very heavy)
148	REAL(wp) :: g_value_win !< [-] SHGC factor
149	REAL(wp) :: h_tr_1 !<! [W/K] Heat transfer coefficient auxiliary variable 1
150	REAL(wp) :: h_tr_2 !<! [W/K] Heat transfer coefficient auxiliary variable 2
151	REAL(wp) :: h_tr_3 !<! [W/K] Heat transfer coefficient auxiliary variable 3
152	REAL(wp) :: h_tr_em !<! [W/K] Heat transfer coefficient of the emmision (got with h_tr_ms the thermal mass)
153	REAL(wp) :: h_tr_is !<! [W/K] thermal coupling conductance (Thermischer Kopplungsleitwert)
154	REAL(wp) :: h_tr_ms !<! [W/K] Heat transfer conductance term (got with h_tr_em the thermal mass)
155	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
156	REAL(wp) :: h_tr_w !<! [W/K] heat transfer coefficient of doors, windows, curtain walls and glazed walls (assumption: thermal mass=0)
157	REAL(wp) :: h_ve !<! [W/K] heat transfer of ventilation
158	REAL(wp) :: height_storey !< [m] storey heigth
159	REAL(wp) :: height_cei_con !< [m] ceiling construction heigth
160	REAL(wp) :: initial_indoor_temperature !< namelist parameter
161	REAL(wp) :: lambda_at !< [-] ratio internal surface/floor area chap. 7.2.2.2.
162	REAL(wp) :: lambda_layer3 !< [W/(m*K)] Thermal conductivity of the inner layer
163	REAL(wp) :: net_sw_in !< net short-wave radiation (in - out; was i_global --> CORRECT?)
164	REAL(wp) :: qint_high !< [W/m2] internal heat gains, option Database qint_0-23
165	REAL(wp) :: qint_low !< [W/m2] internal heat gains, option Database qint_0-23
166	REAL(wp) :: phi_c_max !< [W] Max. Cooling capacity (negative)
167	REAL(wp) :: phi_h_max !< [W] Max. Heating capacity (negative)
168	REAL(wp) :: phi_hc_nd !<! [W] heating demand and/or cooling demand
169	REAL(wp) :: phi_hc_nd_10 !<! [W] heating demand and/or cooling demand for heating or cooling
170	REAL(wp) :: phi_hc_nd_ac !<! [W] actual heating demand and/or cooling demand
171	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)
172	REAL(wp) :: phi_ia !< [W] internal air load = internal loads * 0.5, Eq. (C.1)
173	REAL(wp) :: phi_m !<! [W] mass specific thermal load (internal and external)
174	REAL(wp) :: phi_mtot !<! [W] total mass specific thermal load (internal and external)
175	REAL(wp) :: phi_sol !< [W] solar loads
176	REAL(wp) :: phi_st !<! [W] mass specific thermal load implied non thermal mass
177	REAL(wp) :: q_emission !< emissions, in first version = 0, option for second part of the project
178	REAL(wp) :: q_wall_win !< heat flux from indoor into wall/window
179	REAL(wp) :: q_waste_heat !< waste heat, sum of waste heat over the roof to Palm
180	REAL(wp) :: q_waste_heat_bldg !< [W/building] waste heat of the complete building, in Palm sum of all indoor_model-calculations
181	REAL(wp) :: s_layer3 !< [m] half thickness of the inner layer (layer_3)
182	REAL(wp) :: schedule_d !< activation for internal loads (low or high + low)
183	REAL(wp) :: skip_time_do_indoor = 0.0_wp !< [s] Indoor model is not called before this time
184	REAL(wp) :: theta_air !<! [Â°C] air temperature of the RC-node
185	REAL(wp) :: theta_air_0 !<! [oC] air temperature of the RC-node in equilibrium
186	REAL(wp) :: theta_air_10 !<! [oC] air temperature of the RC-node from a heating capacity of 10 W/mÂ²
187	REAL(wp) :: theta_air_ac !< [oC] actual room temperature after heating/cooling
188	REAL(wp) :: theta_air_set !< [oC] Setpoint_temperature for the room
189	REAL(wp) :: theta_int_c_set !< [oC] Max. Setpoint temperature (summer)
190	REAL(wp) :: theta_int_h_set !< [oC] Max. Setpoint temperature (winter)
191	REAL(wp) :: theta_m !<! [oC} inner temperature of the RC-node
192	REAL(wp) :: theta_m_t !<! [oC] (Fictive) component temperature timestep
193	REAL(wp) :: theta_m_t_prev !< [oC] (Fictive) component temperature previous timestep (do not change)
194	REAL(wp) :: theta_op !< [oC] operative temperature
195	REAL(wp) :: theta_s !<! [oC] surface temperature of the RC-node
196	REAL(wp) :: time_indoor = 0.0_wp !< [s] time since last call of indoor model
197	REAL(wp) :: time_utc_hour !< Time in hours per day (UTC)
198	REAL(wp) :: u_value_win !< [W/(m2*K)] transmittance
199	REAL(wp) :: ventilation_int_loads !< Zuteilung der GebÃ€ude fÃŒr Verlauf/AktivitÃ€t der LÃŒftung und internen Lasten
200
201	!
202	!-- Declare all global parameters within the module
203	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
204	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)
205	REAL(wp), PARAMETER :: params_f_win = 0.5_wp !< [-] proportion of window area, Database A_win aus Datenbank 27 window_area_per_facade_percent
206	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
207	REAL(wp), PARAMETER :: params_waste_heat_c = 4.0_wp !< [-] anthropogenic heat outputs for cooling e.g. 4 for KKM with COP = 3
208	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
209	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)
210	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)
211
212	SAVE
213
214
215	PRIVATE
216
217	!
218	!-- Add INTERFACES that must be available to other modules
219	PUBLIC im_init, im_main_heatcool, im_parin
220
221	!
222	!-- Add VARIABLES that must be available to other modules
223	PUBLIC dt_indoor, skip_time_do_indoor, time_indoor
224
225	!
226	!-- Calculations for indoor temperatures
227	INTERFACE im_calc_temperatures
228	MODULE PROCEDURE im_calc_temperatures
229	END INTERFACE im_calc_temperatures
230	!
231	!-- Initialization actions
232	INTERFACE im_init
233	MODULE PROCEDURE im_init
234	END INTERFACE im_init
235
236	!
237	!-- Main part of indoor model
238	INTERFACE im_main_heatcool
239	MODULE PROCEDURE im_main_heatcool
240	END INTERFACE im_main_heatcool
241	!
242	!-- Reading of NAMELIST parameters
243	INTERFACE im_parin
244	MODULE PROCEDURE im_parin
245	END INTERFACE im_parin
246
247	CONTAINS
248
249	!------------------------------------------------------------------------------!
250	! Description:
251	! ------------
252	!< Calculation of the air temperatures and mean radiation temperature
253	!< This is basis for the operative temperature
254	!< Based on a Crank-Nicholson scheme with a timestep of a hour
255	!------------------------------------------------------------------------------!
256	SUBROUTINE im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
257	near_facade_temperature, phi_hc_nd_dummy )
258
259	USE arrays_3d, &
260	ONLY: pt
261
262
263	IMPLICIT NONE
264
265
266	INTEGER(iwp) :: i
267	INTEGER(iwp) :: j
268	INTEGER(iwp) :: k
269
270	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
271	REAL(wp) :: near_facade_temperature
272	REAL(wp) :: phi_hc_nd_dummy
273
274	!< Calculation of total mass specific thermal load (internal and external)
275	phi_mtot = ( phi_m + h_tr_em * indoor_wall_window_temperature &
276	+ h_tr_3 * ( phi_st + h_tr_w * pt(k,j,i) &
277	+ h_tr_1 * &
278	( ( ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
279	+ near_facade_temperature ) &
280	) / h_tr_2 &
281	) !< [oC] Eq. (C.5)
282
283	!< Calculation of component temperature at factual timestep
284	theta_m_t = ( ( theta_m_t_prev &
285	* ( ( c_m / 3600 ) - 0.5 * ( h_tr_3 + h_tr_em ) ) + phi_mtot &
286	) &
287	/ ( ( c_m / 3600 ) + 0.5 * ( h_tr_3 + h_tr_em ) ) &
288	) !< [oC] Eq. (C.4)
289
290	!< Calculation of mean inner temperature for the RC-node in actual timestep
291	theta_m = ( theta_m_t + theta_m_t_prev ) * 0.5 !< [oC] Eq. (C.9)
292
293	!< Calculation of mean surface temperature of the RC-node in actual timestep
294	theta_s = ( ( h_tr_ms * theta_m + phi_st + h_tr_w * pt(k,j,i) &
295	+ h_tr_1 * ( near_facade_temperature + ( phi_ia + phi_hc_nd_dummy ) / h_ve ) &
296	) &
297	/ ( h_tr_ms + h_tr_w + h_tr_1 ) &
298	) !< [oC] Eq. (C.10)
299
300	!< Calculation of the air temperature of the RC-node
301	theta_air = ( h_tr_is * theta_s + h_ve * near_facade_temperature &
302	+ phi_ia + phi_hc_nd_dummy ) / ( h_tr_is + h_ve ) !< [oC] Eq. (C.11)
303
304	END SUBROUTINE im_calc_temperatures
305
306	!------------------------------------------------------------------------------!
307	! Description:
308	! ------------
309	!> Initialization of the indoor model.
310	!> Static information are calculated here, e.g. building parameters and
311	!> geometrical information, everything that doesn't change in time.
312	!
313	!-- Input values
314	!-- Input datas from Palm, M4
315	! i_global --> net_sw_in !global radiation [W/m2]
316	! theta_e --> pt(k,j,i) !undisturbed outside temperature, 1. PALM volume, for windows
317	! theta_sup = theta_f --> surf_usm_h%t_surf_10cm(m)
318	! surf_usm_v(l)%t_surf_10cm(m) !Air temperature, facade near (10cm) air temperature from 1. Palm volume
319	! theta_node --> t_wall_h(nzt_wall,m)
320	! t_wall_v(l)%t(nzt_wall,m) !Temperature of innermost wall layer, for opaque wall
321	!------------------------------------------------------------------------------!
322	SUBROUTINE im_init
323
324	USE arrays_3d, &
325	ONLY: dzw
326
327	USE control_parameters, &
328	ONLY: message_string
329
330	USE indices, &
331	ONLY: nxl, nxr, nyn, nys, nzb, nzt, wall_flags_0
332
333	USE grid_variables, &
334	ONLY: dx, dy
335
336	USE netcdf_data_input_mod, &
337	ONLY: building_id_f
338
339	USE pegrid
340
341	USE surface_mod, &
342	ONLY: surf_usm_h, surf_usm_v
343
344	USE urban_surface_mod, &
345	ONLY: building_pars, building_type
346
347	IMPLICIT NONE
348
349	INTEGER(iwp) :: fa !< running index for facade elements of each building
350	INTEGER(iwp) :: i !< running index along x-direction
351	INTEGER(iwp) :: j !< running index along y-direction
352	INTEGER(iwp) :: k !< running index along z-direction
353	INTEGER(iwp) :: l !< running index for surface-element orientation
354	INTEGER(iwp) :: m !< running index surface elements
355	INTEGER(iwp) :: n !< building index
356	INTEGER(iwp) :: nb !< building index
357
358	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids !< building IDs on entire model domain
359	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final !< building IDs on entire model domain,
360	!< multiple occurences are sorted out
361	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_final_tmp !< temporary array used for resizing
362	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l !< building IDs on local subdomain
363	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: build_ids_l_tmp !< temporary array used to resize array of building IDs
364	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: displace_dum !< displacements of start addresses, used for MPI_ALLGATHERV
365	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_max_l !< highest vertical index of a building on subdomain
366	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_min_l !< lowest vertical index of a building on subdomain
367	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: n_fa !< counting array
368	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_h !< dummy array used for summing-up total number of
369	!< horizontal facade elements
370	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: num_facades_v !< dummy array used for summing-up total number of
371	!< vertical facade elements
372	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_h !< dummy array used for MPI_ALLREDUCE
373	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: receive_dum_v !< dummy array used for MPI_ALLREDUCE
374
375	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings !< number of buildings with different ID on entire model domain
376	INTEGER(iwp), DIMENSION(0:numprocs-1) :: num_buildings_l !< number of buildings with different ID on local subdomain
377
378	REAL(wp), DIMENSION(:), ALLOCATABLE :: local_weight !< dummy representing fraction of local on total building volume,
379	!< height dependent
380	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume !< total building volume at each discrete height level
381	REAL(wp), DIMENSION(:), ALLOCATABLE :: volume_l !< total building volume at each discrete height level,
382	!< on local subdomain
383
384	!
385	!-- Initializing of indoor model is only possible if buildings can be
386	!-- distinguished by their IDs.
387	IF ( .NOT. building_id_f%from_file ) THEN
388	message_string = 'Indoor model requires information about building_id'
389	CALL message( 'im_init', 'PA0999', 1, 2, 0, 6, 0 )
390	ENDIF
391	!
392	!-- Determine number of different building IDs on local subdomain.
393	num_buildings_l = 0
394	num_buildings = 0
395	ALLOCATE( build_ids_l(1) )
396	DO i = nxl, nxr
397	DO j = nys, nyn
398	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
399	IF ( num_buildings_l(myid) > 0 ) THEN
400	IF ( ANY( building_id_f%var(j,i) .EQ. build_ids_l ) ) THEN
401	CYCLE
402	ELSE
403	num_buildings_l(myid) = num_buildings_l(myid) + 1
404	!
405	!-- Resize array with different local building ids
406	ALLOCATE( build_ids_l_tmp(1:SIZE(build_ids_l)) )
407	build_ids_l_tmp = build_ids_l
408	DEALLOCATE( build_ids_l )
409	ALLOCATE( build_ids_l(1:num_buildings_l(myid)) )
410	build_ids_l(1:num_buildings_l(myid)-1) = &
411	build_ids_l_tmp(1:num_buildings_l(myid)-1)
412	build_ids_l(num_buildings_l(myid)) = building_id_f%var(j,i)
413	DEALLOCATE( build_ids_l_tmp )
414	ENDIF
415	!
416	!-- First occuring building id on PE
417	ELSE
418	num_buildings_l(myid) = num_buildings_l(myid) + 1
419	build_ids_l(1) = building_id_f%var(j,i)
420	ENDIF
421	ENDIF
422	ENDDO
423	ENDDO
424	!
425	!-- Determine number of building IDs for the entire domain. (Note, building IDs
426	!-- can appear multiple times as buildings might be distributed over several
427	!-- PEs.)
428	#if defined( __parallel )
429	CALL MPI_ALLREDUCE( num_buildings_l, num_buildings, numprocs, &
430	MPI_INTEGER, MPI_SUM, comm2d, ierr )
431	#else
432	num_buildings = num_buildings_l
433	#endif
434	ALLOCATE( build_ids(1:SUM(num_buildings)) )
435	!
436	!-- Gather building IDs. Therefore, first, determine displacements used
437	!-- required for MPI_GATHERV call.
438	ALLOCATE( displace_dum(0:numprocs-1) )
439	displace_dum(0) = 0
440	DO i = 1, numprocs-1
441	displace_dum(i) = displace_dum(i-1) + num_buildings(i-1)
442	ENDDO
443
444	#if defined( __parallel )
445	CALL MPI_ALLGATHERV( build_ids_l(1:num_buildings_l(myid)), &
446	num_buildings(myid), &
447	MPI_INTEGER, &
448	build_ids, &
449	num_buildings, &
450	displace_dum, &
451	MPI_INTEGER, &
452	comm2d, ierr )
453
454	DEALLOCATE( displace_dum )
455
456	#else
457	build_ids = build_ids_l
458	#endif
459	!
460	!-- Note: in parallel mode, building IDs can occur mutliple times, as
461	!-- each PE has send its own ids. Therefore, sort out building IDs which
462	!-- appear multiple times.
463	num_build = 0
464	DO n = 1, SIZE(build_ids)
465
466	IF ( ALLOCATED(build_ids_final) ) THEN
467	IF ( ANY( build_ids(n) .EQ. build_ids_final ) ) THEN !FK: Warum ANY?, Warum .EQ.? --> s.o
468	CYCLE
469	ELSE
470	num_build = num_build + 1
471	!
472	!-- Resize
473	ALLOCATE( build_ids_final_tmp(1:num_build) )
474	build_ids_final_tmp(1:num_build-1) = build_ids_final(1:num_build-1)
475	DEALLOCATE( build_ids_final )
476	ALLOCATE( build_ids_final(1:num_build) )
477	build_ids_final(1:num_build-1) = build_ids_final_tmp(1:num_build-1)
478	build_ids_final(num_build) = build_ids(n)
479	DEALLOCATE( build_ids_final_tmp )
480	ENDIF
481	ELSE
482	num_build = num_build + 1
483	ALLOCATE( build_ids_final(1:num_build) )
484	build_ids_final(num_build) = build_ids(n)
485	ENDIF
486	ENDDO
487
488	!
489	!-- Allocate building-data structure array. Note, this is a global array
490	!-- and all building IDs on domain are known by each PE. Further attributes,
491	!-- e.g. height-dependent arrays, however, are only allocated on PEs where
492	!-- the respective building is present (in order to reduce memory demands).
493	ALLOCATE( buildings(1:num_build) )
494	!
495	!-- Store building IDs and check if building with certain ID is present on
496	!-- subdomain.
497	DO nb = 1, num_build
498	buildings(nb)%id = build_ids_final(nb)
499
500	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) &
501	buildings(nb)%on_pe = .TRUE.
502	ENDDO
503	!
504	!-- Determine the maximum vertical dimension occupied by each building.
505	ALLOCATE( k_min_l(1:num_build) )
506	ALLOCATE( k_max_l(1:num_build) )
507	k_min_l = nzt + 1
508	k_max_l = 0
509
510	DO i = nxl, nxr
511	DO j = nys, nyn
512	IF ( building_id_f%var(j,i) /= building_id_f%fill ) THEN
513	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
514	DIM = 1 )
515	DO k = nzb+1, nzt+1
516	!
517	!-- Check if grid point belongs to a building.
518	IF ( BTEST( wall_flags_0(k,j,i), 6 ) ) THEN
519	k_min_l(nb) = MIN( k_min_l(nb), k )
520	k_max_l(nb) = MAX( k_max_l(nb), k )
521	ENDIF
522
523	ENDDO
524	ENDIF
525	ENDDO
526	ENDDO
527
528	DO nb = 1, num_build
529	#if defined( __parallel )
530	CALL MPI_ALLREDUCE( k_min_l(nb), buildings(nb)%kb_min, 1, MPI_INTEGER, &
531	MPI_MIN, comm2d, ierr )
532	CALL MPI_ALLREDUCE( k_max_l(nb), buildings(nb)%kb_max, 1, MPI_INTEGER, &
533	MPI_MAX, comm2d, ierr )
534	#else
535	buildings(nb)%kb_min = k_min_l(nb)
536	buildings(nb)%kb_max = k_max_l(nb)
537	#endif
538
539	ENDDO
540
541	DEALLOCATE( k_min_l )
542	DEALLOCATE( k_max_l )
543	!
544	!-- Calculate building volume
545	DO nb = 1, num_build
546	!
547	!-- Allocate temporary array for summing-up building volume
548	ALLOCATE( volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
549	ALLOCATE( volume_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
550	volume = 0.0_wp
551	volume_l = 0.0_wp
552	!
553	!-- Calculate building volume per height level on each PE where
554	!-- these building is present.
555	IF ( buildings(nb)%on_pe ) THEN
556	ALLOCATE( buildings(nb)%volume(buildings(nb)%kb_min:buildings(nb)%kb_max) )
557	ALLOCATE( buildings(nb)%vol_frac(buildings(nb)%kb_min:buildings(nb)%kb_max) )
558	buildings(nb)%volume = 0.0_wp
559	buildings(nb)%vol_frac = 0.0_wp
560
561	IF ( ANY( building_id_f%var == buildings(nb)%id ) ) THEN
562	DO i = nxl, nxr
563	DO j = nys, nyn
564	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
565	IF ( building_id_f%var(j,i) /= building_id_f%fill ) &
566	volume_l(k) = dx * dy * dzw(k)
567	ENDDO
568	ENDDO
569	ENDDO
570	ENDIF
571	ENDIF
572	!
573	!-- Sum-up building volume from all subdomains
574	#if defined( __parallel )
575	CALL MPI_ALLREDUCE( volume_l, volume, SIZE(volume), MPI_REAL, MPI_SUM, &
576	comm2d, ierr )
577	#else
578	volume = volume_l
579	#endif
580	!
581	!-- Save total building volume as well as local fraction on volume on
582	!-- building data structure.
583	IF ( ALLOCATED( buildings(nb)%volume ) ) buildings(nb)%volume = volume
584	!
585	!-- Determine fraction of local on total building volume
586	IF ( buildings(nb)%on_pe ) buildings(nb)%vol_frac = volume_l / volume
587
588	DEALLOCATE( volume )
589	DEALLOCATE( volume_l )
590
591	ENDDO
592
593	!
594	!-- Allocate arrays for indoor temperature.
595	DO nb = 1, num_build
596	IF ( buildings(nb)%on_pe ) THEN
597	ALLOCATE( buildings(nb)%t_in(buildings(nb)%kb_min:buildings(nb)%kb_max) )
598	ALLOCATE( buildings(nb)%t_in_l(buildings(nb)%kb_min:buildings(nb)%kb_max) )
599	buildings(nb)%t_in = 0.0_wp
600	buildings(nb)%t_in_l = 0.0_wp
601	ENDIF
602	ENDDO
603	!
604	!-- Allocate arrays for number of facades per height level. Distinguish between
605	!-- horizontal and vertical facades.
606	DO nb = 1, num_build
607	IF ( buildings(nb)%on_pe ) THEN
608	ALLOCATE( buildings(nb)%num_facade_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
609	ALLOCATE( buildings(nb)%num_facade_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
610
611	buildings(nb)%num_facade_h = 0
612	buildings(nb)%num_facade_v = 0
613	ENDIF
614	ENDDO
615	!
616	!-- Determine number of facade elements per building on local subdomain.
617	!-- Distinguish between horizontal and vertical facade elements.
618	!
619	!-- Horizontal facades
620	buildings(:)%num_facades_per_building_h_l = 0
621	DO m = 1, surf_usm_h%ns
622	!
623	!-- For the current facade element determine corresponding building index.
624	!-- First, obtain j,j,k indices of the building. Please note the
625	!-- offset between facade/surface element and building location (for
626	!-- horizontal surface elements the horizontal offsets are zero).
627	i = surf_usm_h%i(m) + surf_usm_h%ioff
628	j = surf_usm_h%j(m) + surf_usm_h%joff
629	k = surf_usm_h%k(m) + surf_usm_h%koff
630	!
631	!-- Determine building index and check whether building is on PE
632	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
633	IF ( buildings(nb)%on_pe ) THEN
634	!
635	!-- Count number of facade elements at each height level.
636	buildings(nb)%num_facade_h(k) = buildings(nb)%num_facade_h(k) + 1
637	!
638	!-- Moreover, sum up number of local facade elements per building.
639	buildings(nb)%num_facades_per_building_h_l = &
640	buildings(nb)%num_facades_per_building_h_l + 1
641	ENDIF
642	ENDDO
643	!
644	!-- Vertical facades
645	buildings(:)%num_facades_per_building_v_l = 0
646	DO l = 0, 3
647	DO m = 1, surf_usm_v(l)%ns
648	!
649	!-- For the current facade element determine corresponding building index.
650	!-- First, obtain j,j,k indices of the building. Please note the
651	!-- offset between facade/surface element and building location (for
652	!-- vertical surface elements the vertical offsets are zero).
653	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
654	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
655	k = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
656
657	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), &
658	DIM = 1 )
659	IF ( buildings(nb)%on_pe ) THEN
660	buildings(nb)%num_facade_v(k) = buildings(nb)%num_facade_v(k) + 1
661	buildings(nb)%num_facades_per_building_v_l = &
662	buildings(nb)%num_facades_per_building_v_l + 1
663	ENDIF
664	ENDDO
665	ENDDO
666
667	!
668	!-- Determine total number of facade elements per building and assign number to
669	!-- building data type.
670	DO nb = 1, num_build
671	!
672	!-- Allocate dummy array used for summing-up facade elements.
673	!-- Please note, dummy arguments are necessary as building-date type
674	!-- arrays are not necessarily allocated on all PEs.
675	ALLOCATE( num_facades_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
676	ALLOCATE( num_facades_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
677	ALLOCATE( receive_dum_h(buildings(nb)%kb_min:buildings(nb)%kb_max) )
678	ALLOCATE( receive_dum_v(buildings(nb)%kb_min:buildings(nb)%kb_max) )
679	num_facades_h = 0
680	num_facades_v = 0
681	receive_dum_h = 0
682	receive_dum_v = 0
683
684	IF ( buildings(nb)%on_pe ) THEN
685	num_facades_h = buildings(nb)%num_facade_h
686	num_facades_v = buildings(nb)%num_facade_v
687	ENDIF
688
689	#if defined( __parallel )
690	CALL MPI_ALLREDUCE( num_facades_h, &
691	receive_dum_h, &
692	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
693	MPI_INTEGER, &
694	MPI_SUM, &
695	comm2d, &
696	ierr )
697
698	CALL MPI_ALLREDUCE( num_facades_v, &
699	receive_dum_v, &
700	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
701	MPI_INTEGER, &
702	MPI_SUM, &
703	comm2d, &
704	ierr )
705	IF ( ALLOCATED( buildings(nb)%num_facade_h ) ) & !FK: Was wenn not allocated? --> s.o.
706	buildings(nb)%num_facade_h = receive_dum_h
707	IF ( ALLOCATED( buildings(nb)%num_facade_v ) ) &
708	buildings(nb)%num_facade_v = receive_dum_v
709	#else
710	buildings(nb)%num_facade_h = num_facades_h
711	buildings(nb)%num_facade_v = num_facades_v
712	#endif
713	!
714	!-- Deallocate dummy arrays
715	DEALLOCATE( num_facades_h )
716	DEALLOCATE( num_facades_v )
717	DEALLOCATE( receive_dum_h )
718	DEALLOCATE( receive_dum_v )
719	!
720	!-- Allocate index arrays which link facade elements with surface-data type.
721	!-- Please note, no height levels are considered here (information is stored
722	!-- in surface-data type itself).
723	IF ( buildings(nb)%on_pe ) THEN
724	!
725	!-- Determine number of facade elements per building.
726	buildings(nb)%num_facades_per_building_h = SUM( buildings(nb)%num_facade_h )
727	buildings(nb)%num_facades_per_building_v = SUM( buildings(nb)%num_facade_v )
728	!
729	!-- Allocate arrays which link the building with the horizontal and vertical
730	!-- urban-type surfaces. Please note, linking arrays are allocated over all
731	!-- facade elements, which is required in case a building is located at the
732	!-- subdomain boundaries, where the building and the corresponding surface
733	!-- elements are located on different subdomains.
734	ALLOCATE( buildings(nb)%m_h(1:buildings(nb)%num_facades_per_building_h_l) )
735
736	ALLOCATE( buildings(nb)%l_v(1:buildings(nb)%num_facades_per_building_v_l) )
737	ALLOCATE( buildings(nb)%m_v(1:buildings(nb)%num_facades_per_building_v_l) )
738	ENDIF
739	!
740	!-- Determine volume per facade element (vpf)
741	IF ( buildings(nb)%on_pe ) THEN
742	ALLOCATE( buildings(nb)%vpf(buildings(nb)%kb_min:buildings(nb)%kb_max) )
743
744	DO k = buildings(nb)%kb_min, buildings(nb)%kb_max
745	buildings(nb)%vpf(k) = buildings(nb)%volume(k) / &
746	( buildings(nb)%num_facade_h(k) + &
747	buildings(nb)%num_facade_v(k) )
748	ENDDO
749	ENDIF
750	ENDDO
751	!
752	!-- Link facade elements with surface data type.
753	!-- Allocate array for counting.
754	ALLOCATE( n_fa(1:num_build) )
755	n_fa = 1
756
757	DO m = 1, surf_usm_h%ns
758	i = surf_usm_h%i(m) + surf_usm_h%ioff
759	j = surf_usm_h%j(m) + surf_usm_h%joff
760
761	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
762
763	buildings(nb)%m_h(n_fa(nb)) = m
764	n_fa(nb) = n_fa(nb) + 1
765	ENDDO
766
767	n_fa = 1
768	DO l = 0, 3
769	DO m = 1, surf_usm_v(l)%ns
770	i = surf_usm_v(l)%i(m) + surf_usm_v(l)%ioff
771	j = surf_usm_v(l)%j(m) + surf_usm_v(l)%joff
772
773	nb = MINLOC( ABS( buildings(:)%id - building_id_f%var(j,i) ), DIM = 1 )
774
775	buildings(nb)%l_v(n_fa(nb)) = l
776	buildings(nb)%m_v(n_fa(nb)) = m
777	n_fa(nb) = n_fa(nb) + 1
778	ENDDO
779	ENDDO
780	DEALLOCATE( n_fa )
781
782	!
783	!-- Building parameters by type of building. Assigned in urban_surface_mod.f90
784
785	lambda_layer3 = building_pars(63, building_type)
786	s_layer3 = building_pars(57, building_type)
787	f_c_win = building_pars(119, building_type)
788	g_value_win = building_pars(120, building_type)
789	u_value_win = building_pars(121, building_type)
790	air_change_low = building_pars(122, building_type)
791	air_change_high = building_pars(123, building_type)
792	eta_ve = building_pars(124, building_type)
793	factor_a = building_pars(125, building_type)
794	factor_c = building_pars(126, building_type)
795	lambda_at = building_pars(127, building_type)
796	theta_int_h_set = building_pars(118, building_type)
797	theta_int_c_set = building_pars(117, building_type)
798	phi_h_max = building_pars(128, building_type)
799	phi_c_max = building_pars(129, building_type)
800	qint_high = building_pars(130, building_type)
801	qint_low = building_pars(131, building_type)
802	height_storey = building_pars(132, building_type)
803	height_cei_con = building_pars(133, building_type)
804
805	!
806	!-- Setting of initial room temperature [K]
807	!-- (after first loop, use theta_m_t as theta_m_t_prev)
808	theta_m_t_prev = initial_indoor_temperature
809
810
811	END SUBROUTINE im_init
812
813
814	!------------------------------------------------------------------------------!
815	! Description:
816	! ------------
817	!> Main part of the indoor model.
818	!> Calculation of .... (kanani: Please describe)
819	!------------------------------------------------------------------------------!
820	SUBROUTINE im_main_heatcool
821
822	USE arrays_3d, &
823	ONLY: ddzw, dzw
824
825	USE basic_constants_and_equations_mod, &
826	ONLY: c_p
827
828	USE control_parameters, &
829	ONLY: rho_surface
830
831	USE date_and_time_mod, &
832	ONLY: time_utc
833
834	USE grid_variables, &
835	ONLY: dx, dy
836
837	USE pegrid
838
839	USE surface_mod, &
840	ONLY: ind_veg_wall, ind_wat_win, surf_usm_h, surf_usm_v
841
842	USE urban_surface_mod, &
843	ONLY: nzt_wall, t_surf_10cm_h, t_surf_10cm_v, t_wall_h, t_wall_v, &
844	t_window_h, t_window_v, building_type
845
846
847	IMPLICIT NONE
848
849	INTEGER(iwp) :: i !< index of facade-adjacent atmosphere grid point in x-direction
850	INTEGER(iwp) :: j !< index of facade-adjacent atmosphere grid point in y-direction
851	INTEGER(iwp) :: k !< index of facade-adjacent atmosphere grid point in z-direction
852	INTEGER(iwp) :: kk !< vertical index of indoor grid point adjacent to facade
853	INTEGER(iwp) :: l !< running index for surface-element orientation
854	INTEGER(iwp) :: m !< running index surface elements
855	INTEGER(iwp) :: nb !< running index for buildings
856	INTEGER(iwp) :: fa !< running index for facade elements of each building
857
858	REAL(wp) :: indoor_wall_window_temperature !< weighted temperature of innermost wall/window layer
859	REAL(wp) :: near_facade_temperature !< outside air temperature 10cm away from facade
860	REAL(wp) :: time_utc_hour !< time of day (hour UTC)
861
862	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_l_send !< dummy send buffer used for summing-up indoor temperature per kk-level
863	REAL(wp), DIMENSION(:), ALLOCATABLE :: t_in_recv !< dummy recv buffer used for summing-up indoor temperature per kk-level
864
865	!
866	!-- Daily schedule, here for 08:00-18:00 = 1, other hours = 0.
867	!-- time_utc_hour is calculated here based on time_utc [s] from
868	!-- date_and_time_mod.
869	!-- (kanani: Does this schedule not depend on if it's an office or resident
870	!-- building?)
871	time_utc_hour = time_utc / 3600.0_wp
872
873	!
874	!-- Allocation of the load profiles to the building types
875	!-- Residental Building, panel WBS 70
876	if (building_type == 1 .OR. &
877	building_type == 2 .OR. &
878	building_type == 3 .OR. &
879	building_type == 10 .OR. &
880	building_type == 11 .OR. &
881	building_type == 12) then
882	ventilation_int_loads = 1
883	!-- Office, building with large windows
884	else if (building_type == 4 .OR. &
885	building_type == 5 .OR. &
886	building_type == 6 .OR. &
887	building_type == 7 .OR. &
888	building_type == 8 .OR. &
889	building_type == 9) then
890	ventilation_int_loads = 2
891	!-- Industry, hospitals
892	else if (building_type == 13 .OR. &
893	building_type == 14 .OR. &
894	building_type == 15 .OR. &
895	building_type == 16 .OR. &
896	building_type == 17 .OR. &
897	building_type == 18) then
898	ventilation_int_loads = 3
899
900	end if
901
902	!-- Residental Building, panel WBS 70
903
904	if (ventilation_int_loads == 1) THEN
905	if ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 8.0_wp ) THEN
906	schedule_d = 1
907	else if ( time_utc_hour >= 18.0_wp .AND. time_utc_hour <= 23.0_wp ) THEN
908	schedule_d = 1
909	else
910	schedule_d = 0
911	end if
912	end if
913
914	!-- Office, building with large windows
915
916	if (ventilation_int_loads == 2) THEN
917	if ( time_utc_hour >= 8.0_wp .AND. time_utc_hour <= 18.0_wp ) THEN
918	schedule_d = 1
919	else
920	schedule_d = 0
921	end if
922	end if
923
924	!-- Industry, hospitals
925	if (ventilation_int_loads == 3) THEN
926	if ( time_utc_hour >= 6.0_wp .AND. time_utc_hour <= 22.0_wp ) THEN
927	schedule_d = 1
928	else
929	schedule_d = 0
930	end if
931	end if
932
933
934	!
935	!-- Following calculations must be done for each facade element.
936	DO nb = 1, num_build
937	!
938	!-- First, check whether building is present on local subdomain.
939	IF ( buildings(nb)%on_pe ) THEN
940	!
941	!-- Initialize/reset indoor temperature
942	buildings(nb)%t_in = 0.0_wp
943	buildings(nb)%t_in_l = 0.0_wp
944	!
945	!-- Horizontal surfaces
946	DO fa = 1, buildings(nb)%num_facades_per_building_h_l
947	!
948	!-- Determine index where corresponding surface-type information
949	!-- is stored.
950	m = buildings(nb)%m_h(fa)
951	!
952	!-- Determine building height level index.
953	kk = surf_usm_h%k(m) + surf_usm_h%koff
954	!
955	!-- Building geometries --> not time-dependent
956	facade_element_area = dx * dy !< [m2] surface area per facade element
957	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
958	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
959	window_area_per_facade = surf_usm_h%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
960	eff_mass_area = factor_a * floor_area_per_facade !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
961	c_m = factor_c * floor_area_per_facade !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
962	total_area = lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
963
964	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
965	h_tr_w = window_area_per_facade * u_value_win !< [W/K] only for windows
966	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
967	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
968	h_tr_op = 1 / ( 1 / ( ( facade_element_area - window_area_per_facade ) &
969	* lambda_layer3 / s_layer3 * 0.5 ) + 1 / h_tr_ms )
970	h_tr_em = 1 / ( 1 / h_tr_op - 1 / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
971	!
972	!-- internal air loads dependent on the occupacy of the room
973	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
974	phi_ia = 0.5 * ( ( qint_high * schedule_d + qint_low ) &
975	* floor_area_per_facade ) !< [W] Eq. (C.1)
976	!
977	!-- Airflow dependent on the occupacy of the room
978	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
979	air_change = ( air_change_high * schedule_d + air_change_low ) !< [1/h]?
980	!
981	!-- Heat transfer of ventilation
982	!-- not less than 0.01 W/K to provide division by 0 in further calculations
983	!-- with heat capacity of air 0.33 Wh/m2K
984	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
985	0.33_wp * (1 - eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
986
987	!-- Heat transfer coefficient auxiliary variables
988	h_tr_1 = 1 / ( ( 1 / h_ve ) + ( 1 / h_tr_is ) ) !< [W/K] Eq. (C.6)
989	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
990	h_tr_3 = 1 / ( ( 1 / h_tr_2 ) + ( 1 / h_tr_ms ) ) !< [W/K] Eq. (C.8)
991	!
992	!-- Net short-wave radiation through window area (was i_global)
993	net_sw_in = surf_usm_h%rad_sw_in(m) - surf_usm_h%rad_sw_out(m)
994	!
995	!-- Quantities needed for im_calc_temperatures
996	i = surf_usm_h%i(m)
997	j = surf_usm_h%j(m)
998	k = surf_usm_h%k(m)
999	near_facade_temperature = t_surf_10cm_h(m)
1000	indoor_wall_window_temperature = &
1001	surf_usm_h%frac(ind_veg_wall,m) * t_wall_h(nzt_wall,m) &
1002	+ surf_usm_h%frac(ind_wat_win,m) * t_window_h(nzt_wall,m)
1003	!
1004	!-- Solar thermal gains. If net_sw_in larger than sun-protection
1005	!-- threshold parameter (params_solar_protection), sun protection will
1006	!-- be activated
1007	IF ( net_sw_in <= params_solar_protection ) THEN
1008	solar_protection_off = 1
1009	solar_protection_on = 0
1010	ELSE
1011	solar_protection_off = 0
1012	solar_protection_on = 1
1013	ENDIF
1014	!
1015	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
1016	!-- DIN 4108 - 2 chap.8
1017	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1018	+ window_area_per_facade * net_sw_in * f_c_win * solar_protection_on ) &
1019	* g_value_win * ( 1 - params_f_f ) * params_f_w !< [W]
1020	!
1021	!-- Calculation of the mass specific thermal load for internal and external heatsources of the inner node
1022	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
1023	!
1024	!-- Calculation mass specific thermal load implied non thermal mass
1025	phi_st = ( 1 - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1 * total_area ) ) ) &
1026	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
1027	!
1028	!-- Calculations for deriving indoor temperature and heat flux into the wall
1029	!-- Step 1: Indoor temperature without heating and cooling
1030	!-- section C.4.1 Picture C.2 zone 3)
1031	phi_hc_nd = 0
1032
1033	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1034	near_facade_temperature, phi_hc_nd )
1035	!
1036	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
1037	IF ( theta_int_h_set <= theta_air .AND. theta_air <= theta_int_c_set ) THEN
1038	phi_hc_nd_ac = 0
1039	phi_hc_nd = phi_hc_nd_ac
1040	theta_air_ac = theta_air
1041	!
1042	!-- Step 2: Else, apply 10 W/mÂ² heating/cooling power and calculate indoor temperature
1043	!-- again.
1044	ELSE
1045	!
1046	!-- Temperature not correct, calculation method according to section C4.2
1047	theta_air_0 = theta_air !< Note temperature without heating/cooling
1048
1049	!-- Heating or cooling?
1050	IF ( theta_air > theta_int_c_set ) THEN
1051	theta_air_set = theta_int_c_set
1052	ELSE
1053	theta_air_set = theta_int_h_set
1054	ENDIF
1055
1056	!-- Calculate the temperature with phi_hc_nd_10
1057	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1058	phi_hc_nd = phi_hc_nd_10
1059
1060	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1061	near_facade_temperature, phi_hc_nd )
1062
1063	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
1064	!
1065
1066	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
1067	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
1068
1069
1070
1071	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
1072	!-- If necessary, limit the power to maximum power
1073	!-- section C.4.1 Picture C.2 zone 2) and 4)
1074	IF ( phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < phi_h_max ) THEN
1075	phi_hc_nd_ac = phi_hc_nd_un
1076	phi_hc_nd = phi_hc_nd_un
1077	ELSE
1078	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
1079	!-- section C.4.1 Picture C.2 zone 1) and 5)
1080	IF ( phi_hc_nd_un > 0 ) THEN
1081	phi_hc_nd_ac = phi_h_max !< Limit heating
1082	ELSE
1083	phi_hc_nd_ac = phi_c_max !< Limit cooling
1084	ENDIF
1085	ENDIF
1086
1087	phi_hc_nd = phi_hc_nd_ac
1088	!
1089	!-- Calculate the temperature with phi_hc_nd_ac (new)
1090	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1091	near_facade_temperature, phi_hc_nd )
1092
1093	theta_air_ac = theta_air
1094
1095	ENDIF
1096	!
1097	!-- Update theta_m_t_prev
1098	theta_m_t_prev = theta_m_t
1099	!
1100	!-- Calculate the operating temperature with weighted mean temperature of air and mean solar temperature
1101	!-- Will be used for thermal comfort calculations
1102	theta_op = 0.3 * theta_air_ac + 0.7 * theta_s !< [Â°C] operative Temperature Eq. (C.12)
1103	!
1104	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1105	!-- calculate heat transfer through wall layers towards the facade
1106	!-- (use c_p * rho_surface to convert [W/m2] into [K m/s])
1107	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
1108	/ ( facade_element_area &
1109	- window_area_per_facade )
1110	!
1111	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
1112	surf_usm_h%iwghf_eb(m) = q_wall_win
1113	surf_usm_h%iwghf_eb_window(m) = q_wall_win
1114	!
1115	!-- Sum up operational indoor temperature per kk-level. Further below,
1116	!-- this temperature is reduced by MPI to one temperature per kk-level
1117	!-- and building (processor overlapping)
1118	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1119	!
1120	!-- Calculation of waste heat
1121	!-- Anthropogenic heat output
1122	IF ( phi_hc_nd_ac > 0 ) THEN
1123	heating_on = 1
1124	cooling_on = 0
1125	ELSE
1126	heating_on = 0
1127	cooling_on = 1
1128	ENDIF
1129
1130	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on)) !< [W/m2] anthropogenic heat output
1131	! surf_usm_h%shf(m)=q_waste_heat
1132
1133	ENDDO !< Horizontal surfaces loop
1134	!
1135	!-- Vertical surfaces
1136	DO fa = 1, buildings(nb)%num_facades_per_building_v_l
1137	!
1138	!-- Determine indices where corresponding surface-type information
1139	!-- is stored.
1140	l = buildings(nb)%l_v(fa)
1141	m = buildings(nb)%m_v(fa)
1142	!
1143	!-- Determine building height level index.
1144	kk = surf_usm_v(l)%k(m) + surf_usm_v(l)%koff
1145	!
1146	!-- Building geometries --> not time-dependent
1147	IF ( l == 0 .OR. l == 1 ) facade_element_area = dx * dzw(kk) !< [m2] surface area per facade element
1148	IF ( l == 2 .OR. l == 3 ) facade_element_area = dy * dzw(kk) !< [m2] surface area per facade element
1149	floor_area_per_facade = buildings(nb)%vpf(kk) * ddzw(kk) !< [m2] net floor area per facade element
1150	indoor_volume_per_facade = buildings(nb)%vpf(kk) !< [m3] indoor air volume per facade element
1151	window_area_per_facade = surf_usm_v(l)%frac(ind_wat_win,m) * facade_element_area !< [m2] window area per facade element
1152	eff_mass_area = factor_a * floor_area_per_facade !< [m2] standard values according to Table 12 section 12.3.1.2 (calculate over Eq. (65) according to section 12.3.1.2)
1153	c_m = factor_c * floor_area_per_facade !< [J/K] standard values according to table 12 section 12.3.1.2 (calculate over Eq. (66) according to section 12.3.1.2)
1154	total_area = lambda_at * floor_area_per_facade !< [m2] area of all surfaces pointing to zone Eq. (9) according to section 7.2.2.2
1155	!
1156	!-- Calculation of heat transfer coefficient for transmission --> not time-dependent
1157	h_tr_w = window_area_per_facade * u_value_win !< [W/K] only for windows
1158	h_tr_is = total_area * h_is !< [W/K] with h_is = 3.45 W / (m2 K) between surface and air, Eq. (9)
1159	h_tr_ms = eff_mass_area * h_ms !< [W/K] with h_ms = 9.10 W / (m2 K) between component and surface, Eq. (64)
1160	h_tr_op = 1 / ( 1 / ( ( facade_element_area - window_area_per_facade ) &
1161	* lambda_layer3 / s_layer3 * 0.5 ) + 1 / h_tr_ms )
1162	h_tr_em = 1 / ( 1 / h_tr_op - 1 / h_tr_ms ) !< [W/K] Eq. (63), Section 12.2.2
1163	!
1164	!-- internal air loads dependent on the occupacy of the room
1165	!-- basical internal heat gains (qint_low) with additional internal heat gains by occupancy (qint_high) (0,5*phi_int)
1166	phi_ia = 0.5 * ( ( qint_high * schedule_d + qint_low ) &
1167	* floor_area_per_facade ) !< [W] Eq. (C.1)
1168	!
1169	!-- Airflow dependent on the occupacy of the room
1170	!-- basical airflow (air_change_low) with additional airflow gains by occupancy (air_change_high)
1171	air_change = ( air_change_high * schedule_d + air_change_low )
1172	!
1173	!-- Heat transfer of ventilation
1174	!-- not less than 0.01 W/K to provide division by 0 in further calculations
1175	!-- with heat capacity of air 0.33 Wh/m2K
1176	h_ve = MAX( 0.01_wp , ( air_change * indoor_volume_per_facade * &
1177	0.33_wp * (1 - eta_ve ) ) ) !< [W/K] from ISO 13789 Eq.(10)
1178
1179	!-- Heat transfer coefficient auxiliary variables
1180	h_tr_1 = 1 / ( ( 1 / h_ve ) + ( 1 / h_tr_is ) ) !< [W/K] Eq. (C.6)
1181	h_tr_2 = h_tr_1 + h_tr_w !< [W/K] Eq. (C.7)
1182	h_tr_3 = 1 / ( ( 1 / h_tr_2 ) + ( 1 / h_tr_ms ) ) !< [W/K] Eq. (C.8)
1183	!
1184	!-- Net short-wave radiation through window area (was i_global)
1185	net_sw_in = surf_usm_v(l)%rad_sw_in(m) - surf_usm_v(l)%rad_sw_out(m)
1186	!
1187	!-- Quantities needed for im_calc_temperatures
1188	i = surf_usm_v(l)%i(m)
1189	j = surf_usm_v(l)%j(m)
1190	k = surf_usm_v(l)%k(m)
1191	near_facade_temperature = t_surf_10cm_v(l)%t(m)
1192	indoor_wall_window_temperature = &
1193	surf_usm_v(l)%frac(ind_veg_wall,m) * t_wall_v(l)%t(nzt_wall,m) &
1194	+ surf_usm_v(l)%frac(ind_wat_win,m) * t_window_v(l)%t(nzt_wall,m)
1195	!
1196	!-- Solar thermal gains. If net_sw_in larger than sun-protection
1197	!-- threshold parameter (params_solar_protection), sun protection will
1198	!-- be activated
1199	IF ( net_sw_in <= params_solar_protection ) THEN
1200	solar_protection_off = 1
1201	solar_protection_on = 0
1202	ELSE
1203	solar_protection_off = 0
1204	solar_protection_on = 1
1205	ENDIF
1206	!
1207	!-- Calculation of total heat gains from net_sw_in through windows [W] in respect on automatic sun protection
1208	!-- DIN 4108 - 2 chap.8
1209	phi_sol = ( window_area_per_facade * net_sw_in * solar_protection_off &
1210	+ window_area_per_facade * net_sw_in * f_c_win * solar_protection_on ) &
1211	* g_value_win * ( 1 - params_f_f ) * params_f_w
1212	!
1213	!-- Calculation of the mass specific thermal load for internal and external heatsources
1214	phi_m = (eff_mass_area / total_area) * ( phi_ia + phi_sol ) !< [W] Eq. (C.2) with phi_ia=0,5*phi_int
1215	!
1216	!-- Calculation mass specific thermal load implied non thermal mass
1217	phi_st = ( 1 - ( eff_mass_area / total_area ) - ( h_tr_w / ( 9.1 * total_area ) ) ) &
1218	* ( phi_ia + phi_sol ) !< [W] Eq. (C.3) with phi_ia=0,5*phi_int
1219	!
1220	!-- Calculations for deriving indoor temperature and heat flux into the wall
1221	!-- Step 1: Indoor temperature without heating and cooling
1222	!-- section C.4.1 Picture C.2 zone 3)
1223	phi_hc_nd = 0
1224
1225	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1226	near_facade_temperature, phi_hc_nd )
1227	!
1228	!-- If air temperature between border temperatures of heating and cooling, assign output variable, then ready
1229	IF ( theta_int_h_set <= theta_air .AND. theta_air <= theta_int_c_set ) THEN
1230	phi_hc_nd_ac = 0
1231	phi_hc_nd = phi_hc_nd_ac
1232	theta_air_ac = theta_air
1233	!
1234	!-- Step 2: Else, apply 10 W/mÂ² heating/cooling power and calculate indoor temperature
1235	!-- again.
1236	ELSE
1237	!
1238	!-- Temperature not correct, calculation method according to section C4.2
1239	theta_air_0 = theta_air !< Note temperature without heating/cooling
1240
1241	!-- Heating or cooling?
1242	IF ( theta_air > theta_int_c_set ) THEN
1243	theta_air_set = theta_int_c_set
1244	ELSE
1245	theta_air_set = theta_int_h_set
1246	ENDIF
1247
1248	!-- Calculate the temperature with phi_hc_nd_10
1249	phi_hc_nd_10 = 10.0_wp * floor_area_per_facade
1250	phi_hc_nd = phi_hc_nd_10
1251
1252	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1253	near_facade_temperature, phi_hc_nd )
1254
1255	theta_air_10 = theta_air !< Note the temperature with 10 W/m2 of heating
1256
1257
1258	phi_hc_nd_un = phi_hc_nd_10 * (theta_air_set - theta_air_0) &
1259	/ (theta_air_10 - theta_air_0) !< Eq. (C.13)
1260	!
1261	!-- Step 3: With temperature ratio to determine the heating or cooling capacity
1262	!-- If necessary, limit the power to maximum power
1263	!-- section C.4.1 Picture C.2 zone 2) and 4)
1264	IF ( phi_c_max < phi_hc_nd_un .AND. phi_hc_nd_un < phi_h_max ) THEN
1265	phi_hc_nd_ac = phi_hc_nd_un
1266	phi_hc_nd = phi_hc_nd_un
1267	ELSE
1268	!-- Step 4: Inner temperature with maximum heating (phi_hc_nd_un positive) or cooling (phi_hc_nd_un negative)
1269	!-- section C.4.1 Picture C.2 zone 1) and 5)
1270	IF ( phi_hc_nd_un > 0 ) THEN
1271	phi_hc_nd_ac = phi_h_max !< Limit heating
1272	ELSE
1273	phi_hc_nd_ac = phi_c_max !< Limit cooling
1274	ENDIF
1275	ENDIF
1276
1277	phi_hc_nd = phi_hc_nd_ac
1278	!
1279	!-- Calculate the temperature with phi_hc_nd_ac (new)
1280	CALL im_calc_temperatures ( i, j, k, indoor_wall_window_temperature, &
1281	near_facade_temperature, phi_hc_nd )
1282
1283	theta_air_ac = theta_air
1284
1285	ENDIF
1286	!
1287	!-- Update theta_m_t_prev
1288	theta_m_t_prev = theta_m_t
1289	!
1290	!-- Calculate the operating temperature with weighted mean of temperature of air and mean
1291	!-- Will be used for thermal comfort calculations
1292	theta_op = 0.3 * theta_air_ac + 0.7 * theta_s
1293	!
1294	!-- Heat flux into the wall. Value needed in urban_surface_mod to
1295	!-- calculate heat transfer through wall layers towards the facade
1296	q_wall_win = h_tr_ms * ( theta_s - theta_m ) &
1297	/ ( facade_element_area &
1298	- window_area_per_facade )
1299	!
1300	!-- Transfer q_wall_win back to USM (innermost wall/window layer)
1301	surf_usm_v(l)%iwghf_eb(m) = q_wall_win
1302	surf_usm_v(l)%iwghf_eb_window(m) = q_wall_win
1303	!
1304	!-- Sum up operational indoor temperature per kk-level. Further below,
1305	!-- this temperature is reduced by MPI to one temperature per kk-level
1306	!-- and building (processor overlapping)
1307	buildings(nb)%t_in_l(kk) = buildings(nb)%t_in_l(kk) + theta_op
1308
1309	!
1310	!-- Calculation of waste heat
1311	!-- Anthropogenic heat output
1312	IF ( phi_hc_nd_ac > 0 ) THEN
1313	heating_on = 1
1314	cooling_on = 0
1315	ELSE
1316	heating_on = 0
1317	cooling_on = 1
1318	ENDIF
1319
1320	q_waste_heat = (phi_hc_nd * (params_waste_heat_h * heating_on + params_waste_heat_c * cooling_on)) !< [W/m2] , anthropogenic heat output
1321	! surf_usm_v(l)%waste_heat(m)=q_waste_heat
1322
1323	ENDDO !< Vertical surfaces loop
1324
1325	ENDIF !< buildings(nb)%on_pe
1326	ENDDO !< buildings loop
1327
1328	!
1329	!-- Determine total number of facade elements per building and assign number to
1330	!-- building data type.
1331	DO nb = 1, num_build
1332	!
1333	!-- Allocate dummy array used for summing-up facade elements.
1334	!-- Please note, dummy arguments are necessary as building-date type
1335	!-- arrays are not necessarily allocated on all PEs.
1336	ALLOCATE( t_in_l_send(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1337	ALLOCATE( t_in_recv(buildings(nb)%kb_min:buildings(nb)%kb_max) )
1338	t_in_l_send = 0.0_wp
1339	t_in_recv = 0.0_wp
1340
1341	IF ( buildings(nb)%on_pe ) THEN
1342	t_in_l_send = buildings(nb)%t_in_l
1343	ENDIF
1344
1345	#if defined( __parallel )
1346	CALL MPI_ALLREDUCE( t_in_l_send, &
1347	t_in_recv, &
1348	buildings(nb)%kb_max - buildings(nb)%kb_min + 1, &
1349	MPI_REAL, &
1350	MPI_SUM, &
1351	comm2d, &
1352	ierr )
1353
1354	IF ( ALLOCATED( buildings(nb)%t_in ) ) &
1355	buildings(nb)%t_in = t_in_recv
1356	#else
1357	buildings(nb)%t_in = buildings(nb)%t_in_l
1358	#endif
1359
1360	buildings(nb)%t_in = buildings(nb)%t_in / &
1361	( buildings(nb)%num_facade_h + &
1362	buildings(nb)%num_facade_v )
1363	!
1364	!-- Deallocate dummy arrays
1365	DEALLOCATE( t_in_l_send )
1366	DEALLOCATE( t_in_recv )
1367
1368	ENDDO
1369
1370
1371	END SUBROUTINE im_main_heatcool
1372
1373	!------------------------------------------------------------------------------!
1374	! Description:
1375	! ------------
1376	!> Parin for &indoor_parameters for indoor model
1377	!------------------------------------------------------------------------------!
1378	SUBROUTINE im_parin
1379
1380	USE control_parameters, &
1381	ONLY: indoor_model
1382
1383	IMPLICIT NONE
1384
1385	CHARACTER (LEN=80) :: line !< string containing current line of file PARIN
1386
1387
1388
1389	NAMELIST /indoor_parameters/ building_type, dt_indoor, &
1390	initial_indoor_temperature
1391
1392	! line = ' '
1393
1394	!
1395	!-- Try to find indoor model package
1396	REWIND ( 11 )
1397	line = ' '
1398	DO WHILE ( INDEX( line, '&indoor_parameters' ) == 0 )
1399	READ ( 11, '(A)', END=10 ) line
1400	! PRINT*, 'line: ', line
1401	ENDDO
1402	BACKSPACE ( 11 )
1403
1404	!
1405	!-- Read user-defined namelist
1406	READ ( 11, indoor_parameters )
1407	!
1408	!-- Set flag that indicates that the indoor model is switched on
1409	indoor_model = .TRUE.
1410
1411	!
1412	!-- Activate spinup (maybe later
1413	! IF ( spinup_time > 0.0_wp ) THEN
1414	! coupling_start_time = spinup_time
1415	! end_time = end_time + spinup_time
1416	! IF ( spinup_pt_mean == 9999999.9_wp ) THEN
1417	! spinup_pt_mean = pt_surface
1418	! ENDIF
1419	! spinup = .TRUE.
1420	! ENDIF
1421
1422	10 CONTINUE
1423
1424	END SUBROUTINE im_parin
1425
1426
1427	END MODULE indoor_model_mod

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