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init_3d_model.f90 @ 1402

Last change on this file since 1402 was 1402, checked in by raasch, 11 years ago

output of location messages complemented, output of location bar added
(Makefile, check_parameters, cpulog, init_pegrid, init_3d_model, message, palm, parin, time_integration, new: progress_bar)
preprocessor switch intel_compiler added, -r8 compiler options removed
(.mrun.config.default, .mrun.config.imuk, .mrun.config.kiaps)

batch_job added to envpar-NAMELIST
(mrun, parin)

Property svn:keywords set to Id

File size: 66.5 KB

Line
1	SUBROUTINE init_3d_model
2
3	!--------------------------------------------------------------------------------!
4	! This file is part of PALM.
5	!
6	! PALM is free software: you can redistribute it and/or modify it under the terms
7	! of the GNU General Public License as published by the Free Software Foundation,
8	! either version 3 of the License, or (at your option) any later 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 1997-2014 Leibniz Universitaet Hannover
18	!--------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	! location messages modified
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: init_3d_model.f90 1402 2014-05-09 14:25:13Z raasch $
27	!
28	! 1400 2014-05-09 14:03:54Z knoop
29	! Parallel random number generator added
30	!
31	! 1384 2014-05-02 14:31:06Z raasch
32	! location messages added
33	!
34	! 1361 2014-04-16 15:17:48Z hoffmann
35	! tend_* removed
36	! Bugfix: w_subs is not allocated anymore if it is already allocated
37	!
38	! 1359 2014-04-11 17:15:14Z hoffmann
39	! module lpm_init_mod added to use statements, because lpm_init has become a
40	! module
41	!
42	! 1353 2014-04-08 15:21:23Z heinze
43	! REAL constants provided with KIND-attribute
44	!
45	! 1340 2014-03-25 19:45:13Z kanani
46	! REAL constants defined as wp-kind
47	!
48	! 1322 2014-03-20 16:38:49Z raasch
49	! REAL constants defined as wp-kind
50	! module interfaces removed
51	!
52	! 1320 2014-03-20 08:40:49Z raasch
53	! ONLY-attribute added to USE-statements,
54	! kind-parameters added to all INTEGER and REAL declaration statements,
55	! kinds are defined in new module kinds,
56	! revision history before 2012 removed,
57	! comment fields (!:) to be used for variable explanations added to
58	! all variable declaration statements
59	!
60	! 1316 2014-03-17 07:44:59Z heinze
61	! Bugfix: allocation of w_subs
62	!
63	! 1299 2014-03-06 13:15:21Z heinze
64	! Allocate w_subs due to extension of large scale subsidence in combination
65	! with large scale forcing data (LSF_DATA)
66	!
67	! 1241 2013-10-30 11:36:58Z heinze
68	! Overwrite initial profiles in case of nudging
69	! Inititialize shf and qsws in case of large_scale_forcing
70	!
71	! 1221 2013-09-10 08:59:13Z raasch
72	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
73	! copy
74	!
75	! 1212 2013-08-15 08:46:27Z raasch
76	! array tri is allocated and included in data copy statement
77	!
78	! 1195 2013-07-01 12:27:57Z heinze
79	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
80	!
81	! 1179 2013-06-14 05:57:58Z raasch
82	! allocate and set ref_state to be used in buoyancy terms
83	!
84	! 1171 2013-05-30 11:27:45Z raasch
85	! diss array is allocated with full size if accelerator boards are used
86	!
87	! 1159 2013-05-21 11:58:22Z fricke
88	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
89	!
90	! 1153 2013-05-10 14:33:08Z raasch
91	! diss array is allocated with dummy elements even if it is not needed
92	! (required by PGI 13.4 / CUDA 5.0)
93	!
94	! 1115 2013-03-26 18:16:16Z hoffmann
95	! unused variables removed
96	!
97	! 1113 2013-03-10 02:48:14Z raasch
98	! openACC directive modified
99	!
100	! 1111 2013-03-08 23:54:10Z raasch
101	! openACC directives added for pres
102	! array diss allocated only if required
103	!
104	! 1092 2013-02-02 11:24:22Z raasch
105	! unused variables removed
106	!
107	! 1065 2012-11-22 17:42:36Z hoffmann
108	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
109	!
110	! 1053 2012-11-13 17:11:03Z hoffmann
111	! allocation and initialisation of necessary data arrays for the two-moment
112	! cloud physics scheme the two new prognostic equations (nr, qr):
113	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
114	! +tend_*, prr
115	!
116	! 1036 2012-10-22 13:43:42Z raasch
117	! code put under GPL (PALM 3.9)
118	!
119	! 1032 2012-10-21 13:03:21Z letzel
120	! save memory by not allocating pt_2 in case of neutral = .T.
121	!
122	! 1025 2012-10-07 16:04:41Z letzel
123	! bugfix: swap indices of mask for ghost boundaries
124	!
125	! 1015 2012-09-27 09:23:24Z raasch
126	! mask is set to zero for ghost boundaries
127	!
128	! 1010 2012-09-20 07:59:54Z raasch
129	! cpp switch __nopointer added for pointer free version
130	!
131	! 1003 2012-09-14 14:35:53Z raasch
132	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
133	!
134	! 1001 2012-09-13 14:08:46Z raasch
135	! all actions concerning leapfrog scheme removed
136	!
137	! 996 2012-09-07 10:41:47Z raasch
138	! little reformatting
139	!
140	! 978 2012-08-09 08:28:32Z fricke
141	! outflow damping layer removed
142	! roughness length for scalar quantites z0h added
143	! damping zone for the potential temperatur in case of non-cyclic lateral
144	! boundaries added
145	! initialization of ptdf_x, ptdf_y
146	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
147	!
148	! 849 2012-03-15 10:35:09Z raasch
149	! init_particles renamed lpm_init
150	!
151	! 825 2012-02-19 03:03:44Z raasch
152	! wang_collision_kernel renamed wang_kernel
153	!
154	! Revision 1.1 1998/03/09 16:22:22 raasch
155	! Initial revision
156	!
157	!
158	! Description:
159	! ------------
160	! Allocation of arrays and initialization of the 3D model via
161	! a) pre-run the 1D model
162	! or
163	! b) pre-set constant linear profiles
164	! or
165	! c) read values of a previous run
166	!------------------------------------------------------------------------------!
167
168	USE advec_ws
169
170	USE arrays_3d
171
172	USE cloud_parameters, &
173	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
174
175	USE constants, &
176	ONLY: pi
177
178	USE control_parameters
179
180	USE grid_variables, &
181	ONLY: dx, dy
182
183	USE indices
184
185	USE lpm_init_mod, &
186	ONLY: lpm_init
187
188	USE kinds
189
190	USE ls_forcing_mod
191
192	USE model_1d, &
193	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
194
195	USE netcdf_control
196
197	USE particle_attributes, &
198	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
199
200	USE pegrid
201
202	USE random_function_mod
203
204	USE random_generator_parallel, &
205	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
206	id_random_array, seq_random_array
207
208	USE statistics, &
209	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
210	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
211	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
212	weight_pres, weight_substep
213
214	USE transpose_indices
215
216	IMPLICIT NONE
217
218	INTEGER(iwp) :: i !:
219	INTEGER(iwp) :: ind_array(1) !:
220	INTEGER(iwp) :: j !:
221	INTEGER(iwp) :: k !:
222	INTEGER(iwp) :: sr !:
223
224	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
225
226	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
227	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
228
229	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
230	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
231
232	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
233	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
234
235
236	CALL location_message( 'allocating arrays', .FALSE. )
237	!
238	!-- Allocate arrays
239	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
240	ngp_3d(0:statistic_regions), &
241	ngp_3d_inner(0:statistic_regions), &
242	ngp_3d_inner_l(0:statistic_regions), &
243	ngp_3d_inner_tmp(0:statistic_regions), &
244	sums_divnew_l(0:statistic_regions), &
245	sums_divold_l(0:statistic_regions) )
246	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
247	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
248	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
249	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
250	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
251	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
252	sums(nzb:nzt+1,pr_palm+max_pr_user), &
253	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
254	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
255	sums_up_fraction_l(10,3,0:statistic_regions), &
256	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
257	ts_value(dots_max,0:statistic_regions) )
258	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
259
260	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
261	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
262	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
263	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
264	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
265	z0h(nysg:nyng,nxlg:nxrg) )
266
267	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
268	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
269	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
270	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
271	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
272
273	#if defined( __nopointer )
274	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
275	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
276	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
277	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
278	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
279	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
280	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
281	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
282	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
283	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
284	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
285	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
286	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
287	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
288	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
289	#else
290	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
291	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
292	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
293	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
294	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
295	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
296	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
297	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
298	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
299	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
300	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
301	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
302	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
303	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
304	IF ( .NOT. neutral ) THEN
305	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
306	ENDIF
307	#endif
308
309	!
310	!-- Following array is required for perturbation pressure within the iterative
311	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
312	!-- the weighted average of the substeps and cannot be used in the Poisson
313	!-- solver.
314	IF ( psolver == 'sor' ) THEN
315	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
316	ELSEIF ( psolver == 'multigrid' ) THEN
317	!
318	!-- For performance reasons, multigrid is using one ghost layer only
319	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
320	ENDIF
321
322	!
323	!-- Array for storing constant coeffficients of the tridiagonal solver
324	IF ( psolver == 'poisfft' ) THEN
325	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
326	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
327	ENDIF
328
329	IF ( humidity .OR. passive_scalar ) THEN
330	!
331	!-- 2D-humidity/scalar arrays
332	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
333	qsws(nysg:nyng,nxlg:nxrg), &
334	qswst(nysg:nyng,nxlg:nxrg) )
335
336	!
337	!-- 3D-humidity/scalar arrays
338	#if defined( __nopointer )
339	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
340	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
341	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
342	#else
343	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
344	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
345	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
346	#endif
347
348	!
349	!-- 3D-arrays needed for humidity only
350	IF ( humidity ) THEN
351	#if defined( __nopointer )
352	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
353	#else
354	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
355	#endif
356
357	IF ( cloud_physics ) THEN
358
359	!
360	!-- Liquid water content
361	#if defined( __nopointer )
362	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
363	#else
364	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
365	#endif
366	!
367	!-- Precipitation amount and rate (only needed if output is switched)
368	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
369	precipitation_rate(nysg:nyng,nxlg:nxrg) )
370
371	IF ( icloud_scheme == 0 ) THEN
372	!
373	!-- 1D-arrays
374	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
375	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
376	!
377	!-- 3D-cloud water content
378	#if defined( __nopointer )
379	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
380	#else
381	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
382	#endif
383
384	IF ( precipitation ) THEN
385	!
386	!-- 1D-arrays
387	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
388
389	!
390	!-- 2D-rain water content and rain drop concentration arrays
391	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
392	qrsws(nysg:nyng,nxlg:nxrg), &
393	qrswst(nysg:nyng,nxlg:nxrg), &
394	nrs(nysg:nyng,nxlg:nxrg), &
395	nrsws(nysg:nyng,nxlg:nxrg), &
396	nrswst(nysg:nyng,nxlg:nxrg) )
397	!
398	!-- 3D-rain water content, rain drop concentration arrays
399	#if defined( __nopointer )
400	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
401	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
402	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
403	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
404	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
405	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
406	#else
407	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
408	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
409	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
410	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
411	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
412	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
413	#endif
414	!
415	!-- 3d-precipitation rate
416	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
417	ENDIF
418
419	ENDIF
420	ENDIF
421
422	IF ( cloud_droplets ) THEN
423	!
424	!-- Liquid water content, change in liquid water content
425	#if defined( __nopointer )
426	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
427	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
428	#else
429	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
430	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
431	#endif
432	!
433	!-- Real volume of particles (with weighting), volume of particles
434	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
435	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
436	ENDIF
437
438	ENDIF
439
440	ENDIF
441
442	IF ( ocean ) THEN
443	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
444	saswst(nysg:nyng,nxlg:nxrg) )
445	#if defined( __nopointer )
446	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
447	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
448	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
449	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
450	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
451	#else
452	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
453	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
454	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
455	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
456	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
457	prho => prho_1
458	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
459	! density to be apointer
460	#endif
461	IF ( humidity_remote ) THEN
462	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
463	qswst_remote = 0.0_wp
464	ENDIF
465	ENDIF
466
467	!
468	!-- 3D-array for storing the dissipation, needed for calculating the sgs
469	!-- particle velocities
470	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
471	num_acc_per_node > 0 ) THEN
472	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
473	ENDIF
474
475	IF ( dt_dosp /= 9999999.9_wp ) THEN
476	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
477	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
478	spectrum_x = 0.0_wp
479	spectrum_y = 0.0_wp
480	ENDIF
481
482	!
483	!-- 1D-array for large scale subsidence velocity
484	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
485	ALLOCATE ( w_subs(nzb:nzt+1) )
486	w_subs = 0.0_wp
487	ENDIF
488
489	!
490	!-- ID-array and state-space-array for the parallel random number generator
491	IF ( random_generator == 'random-parallel' ) THEN
492	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
493	ALLOCATE ( id_random_array(0:ny,0:nx) )
494	seq_random_array = 0
495	id_random_array = 0
496	ENDIF
497
498	!
499	!-- 3D-arrays for the leaf area density and the canopy drag coefficient
500	IF ( plant_canopy ) THEN
501	ALLOCATE ( lad_s(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
502	lad_u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
503	lad_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
504	lad_w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
505	cdc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
506
507	IF ( passive_scalar ) THEN
508	ALLOCATE ( sls(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
509	sec(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
510	ENDIF
511
512	IF ( cthf /= 0.0_wp ) THEN
513	ALLOCATE ( lai(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
514	canopy_heat_flux(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
515	ENDIF
516
517	ENDIF
518
519	!
520	!-- 4D-array for storing the Rif-values at vertical walls
521	IF ( topography /= 'flat' ) THEN
522	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
523	rif_wall = 0.0_wp
524	ENDIF
525
526	!
527	!-- Arrays to store velocity data from t-dt and the phase speeds which
528	!-- are needed for radiation boundary conditions
529	IF ( outflow_l ) THEN
530	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
531	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
532	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
533	ENDIF
534	IF ( outflow_r ) THEN
535	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
536	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
537	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
538	ENDIF
539	IF ( outflow_l .OR. outflow_r ) THEN
540	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
541	c_w(nzb:nzt+1,nysg:nyng) )
542	ENDIF
543	IF ( outflow_s ) THEN
544	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
545	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
546	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
547	ENDIF
548	IF ( outflow_n ) THEN
549	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
550	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
551	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
552	ENDIF
553	IF ( outflow_s .OR. outflow_n ) THEN
554	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
555	c_w(nzb:nzt+1,nxlg:nxrg) )
556	ENDIF
557	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
558	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
559	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
560	ENDIF
561
562
563	#if ! defined( __nopointer )
564	!
565	!-- Initial assignment of the pointers
566	e => e_1; e_p => e_2; te_m => e_3
567	IF ( .NOT. neutral ) THEN
568	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
569	ELSE
570	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
571	ENDIF
572	u => u_1; u_p => u_2; tu_m => u_3
573	v => v_1; v_p => v_2; tv_m => v_3
574	w => w_1; w_p => w_2; tw_m => w_3
575
576	IF ( humidity .OR. passive_scalar ) THEN
577	q => q_1; q_p => q_2; tq_m => q_3
578	IF ( humidity ) THEN
579	vpt => vpt_1
580	IF ( cloud_physics ) THEN
581	ql => ql_1
582	IF ( icloud_scheme == 0 ) THEN
583	qc => qc_1
584	IF ( precipitation ) THEN
585	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
586	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
587	ENDIF
588	ENDIF
589	ENDIF
590	ENDIF
591	IF ( cloud_droplets ) THEN
592	ql => ql_1
593	ql_c => ql_2
594	ENDIF
595	ENDIF
596
597	IF ( ocean ) THEN
598	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
599	ENDIF
600	#endif
601
602	!
603	!-- Allocate arrays containing the RK coefficient for calculation of
604	!-- perturbation pressure and turbulent fluxes. At this point values are
605	!-- set for pressure calculation during initialization (where no timestep
606	!-- is done). Further below the values needed within the timestep scheme
607	!-- will be set.
608	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
609	weight_pres(1:intermediate_timestep_count_max) )
610	weight_substep = 1.0_wp
611	weight_pres = 1.0_wp
612	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
613
614	CALL location_message( 'finished', .TRUE. )
615	!
616	!-- Initialize model variables
617	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
618	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
619	!
620	!-- First model run of a possible job queue.
621	!-- Initial profiles of the variables must be computes.
622	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
623
624	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
625	!
626	!-- Use solutions of the 1D model as initial profiles,
627	!-- start 1D model
628	CALL init_1d_model
629	!
630	!-- Transfer initial profiles to the arrays of the 3D model
631	DO i = nxlg, nxrg
632	DO j = nysg, nyng
633	e(:,j,i) = e1d
634	kh(:,j,i) = kh1d
635	km(:,j,i) = km1d
636	pt(:,j,i) = pt_init
637	u(:,j,i) = u1d
638	v(:,j,i) = v1d
639	ENDDO
640	ENDDO
641
642	IF ( humidity .OR. passive_scalar ) THEN
643	DO i = nxlg, nxrg
644	DO j = nysg, nyng
645	q(:,j,i) = q_init
646	ENDDO
647	ENDDO
648	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
649	precipitation ) THEN
650	DO i = nxlg, nxrg
651	DO j = nysg, nyng
652	qr(:,j,i) = 0.0_wp
653	nr(:,j,i) = 0.0_wp
654	ENDDO
655	ENDDO
656	!
657	!-- Initialze nc_1d with default value
658	nc_1d(:) = nc_const
659
660	ENDIF
661	ENDIF
662
663	IF ( .NOT. constant_diffusion ) THEN
664	DO i = nxlg, nxrg
665	DO j = nysg, nyng
666	e(:,j,i) = e1d
667	ENDDO
668	ENDDO
669	!
670	!-- Store initial profiles for output purposes etc.
671	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
672
673	IF ( prandtl_layer ) THEN
674	rif = rif1d(nzb+1)
675	ts = 0.0_wp ! could actually be computed more accurately in the
676	! 1D model. Update when opportunity arises.
677	us = us1d
678	usws = usws1d
679	vsws = vsws1d
680	ELSE
681	ts = 0.0_wp ! must be set, because used in
682	rif = 0.0_wp ! flowste
683	us = 0.0_wp
684	usws = 0.0_wp
685	vsws = 0.0_wp
686	ENDIF
687
688	ELSE
689	e = 0.0_wp ! must be set, because used in
690	rif = 0.0_wp ! flowste
691	ts = 0.0_wp
692	us = 0.0_wp
693	usws = 0.0_wp
694	vsws = 0.0_wp
695	ENDIF
696	uswst = top_momentumflux_u
697	vswst = top_momentumflux_v
698
699	!
700	!-- In every case qs = 0.0 (see also pt)
701	!-- This could actually be computed more accurately in the 1D model.
702	!-- Update when opportunity arises!
703	IF ( humidity .OR. passive_scalar ) THEN
704	qs = 0.0_wp
705	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
706	precipitation ) THEN
707	qrs = 0.0_wp
708	nrs = 0.0_wp
709	ENDIF
710	ENDIF
711
712	!
713	!-- inside buildings set velocities back to zero
714	IF ( topography /= 'flat' ) THEN
715	DO i = nxl-1, nxr+1
716	DO j = nys-1, nyn+1
717	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
718	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
719	ENDDO
720	ENDDO
721
722	!
723	!-- WARNING: The extra boundary conditions set after running the
724	!-- ------- 1D model impose an error on the divergence one layer
725	!-- below the topography; need to correct later
726	!-- ATTENTION: Provisional correction for Piacsek & Williams
727	!-- --------- advection scheme: keep u and v zero one layer below
728	!-- the topography.
729	IF ( ibc_uv_b == 1 ) THEN
730	!
731	!-- Neumann condition
732	DO i = nxl-1, nxr+1
733	DO j = nys-1, nyn+1
734	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
735	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
736	ENDDO
737	ENDDO
738
739	ENDIF
740
741	ENDIF
742
743	CALL location_message( 'finished', .TRUE. )
744
745	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
746	THEN
747
748	CALL location_message( 'initializing with constant profiles', .FALSE. )
749	!
750	!-- Overwrite initial profiles in case of nudging
751	IF ( nudging ) THEN
752	pt_init = ptnudge(:,1)
753	u_init = unudge(:,1)
754	v_init = vnudge(:,1)
755	IF ( humidity .OR. passive_scalar ) THEN
756	q_init = qnudge(:,1)
757	ENDIF
758
759	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
760	'scalars from NUDGING_DATA are used.'
761	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
762	ENDIF
763
764	!
765	!-- Use constructed initial profiles (velocity constant with height,
766	!-- temperature profile with constant gradient)
767	DO i = nxlg, nxrg
768	DO j = nysg, nyng
769	pt(:,j,i) = pt_init
770	u(:,j,i) = u_init
771	v(:,j,i) = v_init
772	ENDDO
773	ENDDO
774
775	!
776	!-- Set initial horizontal velocities at the lowest computational grid
777	!-- levels to zero in order to avoid too small time steps caused by the
778	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
779	!-- in the limiting formula!). The original values are stored to be later
780	!-- used for volume flow control.
781	DO i = nxlg, nxrg
782	DO j = nysg, nyng
783	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
784	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
785	ENDDO
786	ENDDO
787
788	IF ( humidity .OR. passive_scalar ) THEN
789	DO i = nxlg, nxrg
790	DO j = nysg, nyng
791	q(:,j,i) = q_init
792	ENDDO
793	ENDDO
794	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
795	!
796	!-- Initialze nc_1d with default value
797	nc_1d(:) = nc_const
798
799	IF ( precipitation ) THEN
800	DO i = nxlg, nxrg
801	DO j = nysg, nyng
802	qr(:,j,i) = 0.0_wp
803	nr(:,j,i) = 0.0_wp
804	ENDDO
805	ENDDO
806	ENDIF
807
808	ENDIF
809	ENDIF
810
811	IF ( ocean ) THEN
812	DO i = nxlg, nxrg
813	DO j = nysg, nyng
814	sa(:,j,i) = sa_init
815	ENDDO
816	ENDDO
817	ENDIF
818
819	IF ( constant_diffusion ) THEN
820	km = km_constant
821	kh = km / prandtl_number
822	e = 0.0_wp
823	ELSEIF ( e_init > 0.0_wp ) THEN
824	DO k = nzb+1, nzt
825	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
826	ENDDO
827	km(nzb,:,:) = km(nzb+1,:,:)
828	km(nzt+1,:,:) = km(nzt,:,:)
829	kh = km / prandtl_number
830	e = e_init
831	ELSE
832	IF ( .NOT. ocean ) THEN
833	kh = 0.01_wp ! there must exist an initial diffusion, because
834	km = 0.01_wp ! otherwise no TKE would be produced by the
835	! production terms, as long as not yet
836	! e = (u/cm)*2 at k=nzb+1
837	ELSE
838	kh = 0.00001_wp
839	km = 0.00001_wp
840	ENDIF
841	e = 0.0_wp
842	ENDIF
843	rif = 0.0_wp
844	ts = 0.0_wp
845	us = 0.0_wp
846	usws = 0.0_wp
847	uswst = top_momentumflux_u
848	vsws = 0.0_wp
849	vswst = top_momentumflux_v
850	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
851
852	!
853	!-- Compute initial temperature field and other constants used in case
854	!-- of a sloping surface
855	IF ( sloping_surface ) CALL init_slope
856
857	CALL location_message( 'finished', .TRUE. )
858
859	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
860	THEN
861
862	CALL location_message( 'initializing by user', .FALSE. )
863	!
864	!-- Initialization will completely be done by the user
865	CALL user_init_3d_model
866
867	CALL location_message( 'finished', .TRUE. )
868
869	ENDIF
870
871	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
872	.FALSE. )
873
874	!
875	!-- Bottom boundary
876	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
877	u(nzb,:,:) = 0.0_wp
878	v(nzb,:,:) = 0.0_wp
879	ENDIF
880
881	!
882	!-- Apply channel flow boundary condition
883	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
884	u(nzt+1,:,:) = 0.0_wp
885	v(nzt+1,:,:) = 0.0_wp
886	ENDIF
887
888	!
889	!-- Calculate virtual potential temperature
890	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
891
892	!
893	!-- Store initial profiles for output purposes etc.
894	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
895	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
896	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
897	hom(nzb,1,5,:) = 0.0_wp
898	hom(nzb,1,6,:) = 0.0_wp
899	ENDIF
900	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
901	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
902	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
903
904	IF ( ocean ) THEN
905	!
906	!-- Store initial salinity profile
907	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
908	ENDIF
909
910	IF ( humidity ) THEN
911	!
912	!-- Store initial profile of total water content, virtual potential
913	!-- temperature
914	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
915	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
916	IF ( cloud_physics .OR. cloud_droplets ) THEN
917	!
918	!-- Store initial profile of specific humidity and potential
919	!-- temperature
920	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
921	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
922	ENDIF
923	ENDIF
924
925	IF ( passive_scalar ) THEN
926	!
927	!-- Store initial scalar profile
928	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
929	ENDIF
930
931	!
932	!-- Initialize the random number generators (from numerical recipes)
933	CALL random_function_ini
934	IF ( random_generator == 'random-parallel' ) THEN
935	CALL random_function_ini
936	!- asigning an ID to every vertical gridpoint column
937	DO j=0,ny
938	DO i=0,nx
939	id_random_array(j,i) = 1000000*i + j
940	END DO
941	ENDDO
942	!- executing the initial ran_parallel
943	DO j = nysg, nyng
944	DO i = nxlg, nxrg
945	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
946	CALL random_number_parallel (random_dummy)
947	CALL random_seed_parallel (get=seq_random_array(:, j, i))
948	END DO
949	ENDDO
950	ENDIF
951
952	!
953	!-- Initialize fluxes at bottom surface
954	IF ( use_surface_fluxes ) THEN
955
956	IF ( constant_heatflux ) THEN
957	!
958	!-- Heat flux is prescribed
959	IF ( random_heatflux ) THEN
960	CALL disturb_heatflux
961	ELSE
962	shf = surface_heatflux
963	!
964	!-- Initialize shf with data from external file LSF_DATA
965	IF ( large_scale_forcing .AND. lsf_surf ) THEN
966	CALL ls_forcing_surf ( simulated_time )
967	ENDIF
968
969	!
970	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
971	IF ( TRIM( topography ) /= 'flat' ) THEN
972	DO i = nxlg, nxrg
973	DO j = nysg, nyng
974	IF ( nzb_s_inner(j,i) /= 0 ) THEN
975	shf(j,i) = wall_heatflux(0)
976	ENDIF
977	ENDDO
978	ENDDO
979	ENDIF
980	ENDIF
981	ENDIF
982
983	!
984	!-- Determine the near-surface water flux
985	IF ( humidity .OR. passive_scalar ) THEN
986	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
987	precipitation ) THEN
988	qrsws = 0.0_wp
989	nrsws = 0.0_wp
990	ENDIF
991	IF ( constant_waterflux ) THEN
992	qsws = surface_waterflux
993	!
994	!-- Over topography surface_waterflux is replaced by
995	!-- wall_humidityflux(0)
996	IF ( TRIM( topography ) /= 'flat' ) THEN
997	wall_qflux = wall_humidityflux
998	DO i = nxlg, nxrg
999	DO j = nysg, nyng
1000	IF ( nzb_s_inner(j,i) /= 0 ) THEN
1001	qsws(j,i) = wall_qflux(0)
1002	ENDIF
1003	ENDDO
1004	ENDDO
1005	ENDIF
1006	ENDIF
1007	ENDIF
1008
1009	ENDIF
1010
1011	!
1012	!-- Initialize fluxes at top surface
1013	!-- Currently, only the heatflux and salinity flux can be prescribed.
1014	!-- The latent flux is zero in this case!
1015	IF ( use_top_fluxes ) THEN
1016
1017	IF ( constant_top_heatflux ) THEN
1018	!
1019	!-- Heat flux is prescribed
1020	tswst = top_heatflux
1021
1022	IF ( humidity .OR. passive_scalar ) THEN
1023	qswst = 0.0_wp
1024	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
1025	precipitation ) THEN
1026	nrswst = 0.0_wp
1027	qrswst = 0.0_wp
1028	ENDIF
1029	ENDIF
1030
1031	IF ( ocean ) THEN
1032	saswsb = bottom_salinityflux
1033	saswst = top_salinityflux
1034	ENDIF
1035	ENDIF
1036
1037	!
1038	!-- Initialization in case of a coupled model run
1039	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
1040	tswst = 0.0_wp
1041	ENDIF
1042
1043	ENDIF
1044
1045	!
1046	!-- Initialize Prandtl layer quantities
1047	IF ( prandtl_layer ) THEN
1048
1049	z0 = roughness_length
1050	z0h = z0h_factor * z0
1051
1052	IF ( .NOT. constant_heatflux ) THEN
1053	!
1054	!-- Surface temperature is prescribed. Here the heat flux cannot be
1055	!-- simply estimated, because therefore rif, u* and theta* would have
1056	!-- to be computed by iteration. This is why the heat flux is assumed
1057	!-- to be zero before the first time step. It approaches its correct
1058	!-- value in the course of the first few time steps.
1059	shf = 0.0_wp
1060	ENDIF
1061
1062	IF ( humidity .OR. passive_scalar ) THEN
1063	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
1064	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
1065	precipitation ) THEN
1066	qrsws = 0.0_wp
1067	nrsws = 0.0_wp
1068	ENDIF
1069	ENDIF
1070
1071	ENDIF
1072
1073	!
1074	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
1075	!-- the reference state will be set (overwritten) in init_ocean)
1076	IF ( use_single_reference_value ) THEN
1077	IF ( .NOT. humidity ) THEN
1078	ref_state(:) = pt_reference
1079	ELSE
1080	ref_state(:) = vpt_reference
1081	ENDIF
1082	ELSE
1083	IF ( .NOT. humidity ) THEN
1084	ref_state(:) = pt_init(:)
1085	ELSE
1086	ref_state(:) = vpt(:,nys,nxl)
1087	ENDIF
1088	ENDIF
1089
1090	!
1091	!-- For the moment, vertical velocity is zero
1092	w = 0.0_wp
1093
1094	!
1095	!-- Initialize array sums (must be defined in first call of pres)
1096	sums = 0.0_wp
1097
1098	!
1099	!-- In case of iterative solvers, p must get an initial value
1100	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
1101
1102	!
1103	!-- Treating cloud physics, liquid water content and precipitation amount
1104	!-- are zero at beginning of the simulation
1105	IF ( cloud_physics ) THEN
1106	ql = 0.0_wp
1107	IF ( precipitation ) precipitation_amount = 0.0_wp
1108	IF ( icloud_scheme == 0 ) THEN
1109	qc = 0.0_wp
1110	nc_1d = nc_const
1111	ENDIF
1112	ENDIF
1113	!
1114	!-- Impose vortex with vertical axis on the initial velocity profile
1115	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
1116	CALL init_rankine
1117	ENDIF
1118
1119	!
1120	!-- Impose temperature anomaly (advection test only)
1121	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
1122	CALL init_pt_anomaly
1123	ENDIF
1124
1125	!
1126	!-- If required, change the surface temperature at the start of the 3D run
1127	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
1128	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
1129	ENDIF
1130
1131	!
1132	!-- If required, change the surface humidity/scalar at the start of the 3D
1133	!-- run
1134	IF ( ( humidity .OR. passive_scalar ) .AND. &
1135	q_surface_initial_change /= 0.0_wp ) THEN
1136	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
1137	ENDIF
1138
1139	!
1140	!-- Initialize old and new time levels.
1141	te_m = 0.0_wp; tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1142	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1143
1144	IF ( humidity .OR. passive_scalar ) THEN
1145	tq_m = 0.0_wp
1146	q_p = q
1147	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
1148	precipitation ) THEN
1149	tqr_m = 0.0_wp
1150	qr_p = qr
1151	tnr_m = 0.0_wp
1152	nr_p = nr
1153	ENDIF
1154	ENDIF
1155
1156	IF ( ocean ) THEN
1157	tsa_m = 0.0_wp
1158	sa_p = sa
1159	ENDIF
1160
1161	CALL location_message( 'finished', .TRUE. )
1162
1163	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
1164	TRIM( initializing_actions ) == 'cyclic_fill' ) &
1165	THEN
1166
1167	CALL location_message( 'initializing in case of restart / cyclic_fill', &
1168	.FALSE. )
1169	!
1170	!-- When reading data for cyclic fill of 3D prerun data files, read
1171	!-- some of the global variables from the restart file which are required
1172	!-- for initializing the inflow
1173	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1174
1175	DO i = 0, io_blocks-1
1176	IF ( i == io_group ) THEN
1177	CALL read_parts_of_var_list
1178	CALL close_file( 13 )
1179	ENDIF
1180	#if defined( __parallel )
1181	CALL MPI_BARRIER( comm2d, ierr )
1182	#endif
1183	ENDDO
1184
1185	ENDIF
1186
1187	!
1188	!-- Read binary data from restart file
1189	DO i = 0, io_blocks-1
1190	IF ( i == io_group ) THEN
1191	CALL read_3d_binary
1192	ENDIF
1193	#if defined( __parallel )
1194	CALL MPI_BARRIER( comm2d, ierr )
1195	#endif
1196	ENDDO
1197
1198	!
1199	!-- Initialization of the turbulence recycling method
1200	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1201	turbulent_inflow ) THEN
1202	!
1203	!-- First store the profiles to be used at the inflow.
1204	!-- These profiles are the (temporally) and horizontally averaged vertical
1205	!-- profiles from the prerun. Alternatively, prescribed profiles
1206	!-- for u,v-components can be used.
1207	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
1208
1209	IF ( use_prescribed_profile_data ) THEN
1210	mean_inflow_profiles(:,1) = u_init ! u
1211	mean_inflow_profiles(:,2) = v_init ! v
1212	ELSE
1213	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
1214	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
1215	ENDIF
1216	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
1217	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
1218
1219	!
1220	!-- If necessary, adjust the horizontal flow field to the prescribed
1221	!-- profiles
1222	IF ( use_prescribed_profile_data ) THEN
1223	DO i = nxlg, nxrg
1224	DO j = nysg, nyng
1225	DO k = nzb, nzt+1
1226	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
1227	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
1228	ENDDO
1229	ENDDO
1230	ENDDO
1231	ENDIF
1232
1233	!
1234	!-- Use these mean profiles at the inflow (provided that Dirichlet
1235	!-- conditions are used)
1236	IF ( inflow_l ) THEN
1237	DO j = nysg, nyng
1238	DO k = nzb, nzt+1
1239	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
1240	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
1241	w(k,j,nxlg:-1) = 0.0_wp
1242	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
1243	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
1244	ENDDO
1245	ENDDO
1246	ENDIF
1247
1248	!
1249	!-- Calculate the damping factors to be used at the inflow. For a
1250	!-- turbulent inflow the turbulent fluctuations have to be limited
1251	!-- vertically because otherwise the turbulent inflow layer will grow
1252	!-- in time.
1253	IF ( inflow_damping_height == 9999999.9_wp ) THEN
1254	!
1255	!-- Default: use the inversion height calculated by the prerun; if
1256	!-- this is zero, inflow_damping_height must be explicitly
1257	!-- specified.
1258	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
1259	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
1260	ELSE
1261	WRITE( message_string, * ) 'inflow_damping_height must be ',&
1262	'explicitly specified because&the inversion height ', &
1263	'calculated by the prerun is zero.'
1264	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
1265	ENDIF
1266
1267	ENDIF
1268
1269	IF ( inflow_damping_width == 9999999.9_wp ) THEN
1270	!
1271	!-- Default for the transition range: one tenth of the undamped
1272	!-- layer
1273	inflow_damping_width = 0.1_wp * inflow_damping_height
1274
1275	ENDIF
1276
1277	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
1278
1279	DO k = nzb, nzt+1
1280
1281	IF ( zu(k) <= inflow_damping_height ) THEN
1282	inflow_damping_factor(k) = 1.0_wp
1283	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
1284	inflow_damping_factor(k) = 1.0_wp - &
1285	( zu(k) - inflow_damping_height ) / &
1286	inflow_damping_width
1287	ELSE
1288	inflow_damping_factor(k) = 0.0_wp
1289	ENDIF
1290
1291	ENDDO
1292
1293	ENDIF
1294
1295	!
1296	!-- Inside buildings set velocities and TKE back to zero
1297	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
1298	topography /= 'flat' ) THEN
1299	!
1300	!-- Inside buildings set velocities and TKE back to zero.
1301	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
1302	!-- maybe revise later.
1303	DO i = nxlg, nxrg
1304	DO j = nysg, nyng
1305	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
1306	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
1307	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1308	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1309	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
1310	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
1311	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1312	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1313	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
1314	ENDDO
1315	ENDDO
1316
1317	ENDIF
1318
1319	!
1320	!-- Calculate initial temperature field and other constants used in case
1321	!-- of a sloping surface
1322	IF ( sloping_surface ) CALL init_slope
1323
1324	!
1325	!-- Initialize new time levels (only done in order to set boundary values
1326	!-- including ghost points)
1327	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
1328	IF ( humidity .OR. passive_scalar ) THEN
1329	q_p = q
1330	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
1331	precipitation ) THEN
1332	qr_p = qr
1333	nr_p = nr
1334	ENDIF
1335	ENDIF
1336	IF ( ocean ) sa_p = sa
1337
1338	!
1339	!-- Allthough tendency arrays are set in prognostic_equations, they have
1340	!-- have to be predefined here because they are used (but multiplied with 0)
1341	!-- there before they are set.
1342	te_m = 0.0_wp; tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
1343	IF ( humidity .OR. passive_scalar ) THEN
1344	tq_m = 0.0_wp
1345	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
1346	precipitation ) THEN
1347	tqr_m = 0.0_wp
1348	tnr_m = 0.0_wp
1349	ENDIF
1350	ENDIF
1351	IF ( ocean ) tsa_m = 0.0_wp
1352
1353	CALL location_message( 'finished', .TRUE. )
1354
1355	ELSE
1356	!
1357	!-- Actually this part of the programm should not be reached
1358	message_string = 'unknown initializing problem'
1359	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
1360	ENDIF
1361
1362
1363	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1364	!
1365	!-- Initialize old timelevels needed for radiation boundary conditions
1366	IF ( outflow_l ) THEN
1367	u_m_l(:,:,:) = u(:,:,1:2)
1368	v_m_l(:,:,:) = v(:,:,0:1)
1369	w_m_l(:,:,:) = w(:,:,0:1)
1370	ENDIF
1371	IF ( outflow_r ) THEN
1372	u_m_r(:,:,:) = u(:,:,nx-1:nx)
1373	v_m_r(:,:,:) = v(:,:,nx-1:nx)
1374	w_m_r(:,:,:) = w(:,:,nx-1:nx)
1375	ENDIF
1376	IF ( outflow_s ) THEN
1377	u_m_s(:,:,:) = u(:,0:1,:)
1378	v_m_s(:,:,:) = v(:,1:2,:)
1379	w_m_s(:,:,:) = w(:,0:1,:)
1380	ENDIF
1381	IF ( outflow_n ) THEN
1382	u_m_n(:,:,:) = u(:,ny-1:ny,:)
1383	v_m_n(:,:,:) = v(:,ny-1:ny,:)
1384	w_m_n(:,:,:) = w(:,ny-1:ny,:)
1385	ENDIF
1386
1387	ENDIF
1388
1389	!
1390	!-- Calculate the initial volume flow at the right and north boundary
1391	IF ( conserve_volume_flow ) THEN
1392
1393	IF ( use_prescribed_profile_data ) THEN
1394
1395	volume_flow_initial_l = 0.0_wp
1396	volume_flow_area_l = 0.0_wp
1397
1398	IF ( nxr == nx ) THEN
1399	DO j = nys, nyn
1400	DO k = nzb_2d(j,nx)+1, nzt
1401	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1402	u_init(k) * dzw(k)
1403	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1404	ENDDO
1405	ENDDO
1406	ENDIF
1407
1408	IF ( nyn == ny ) THEN
1409	DO i = nxl, nxr
1410	DO k = nzb_2d(ny,i)+1, nzt
1411	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1412	v_init(k) * dzw(k)
1413	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1414	ENDDO
1415	ENDDO
1416	ENDIF
1417
1418	#if defined( __parallel )
1419	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1420	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1421	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1422	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1423
1424	#else
1425	volume_flow_initial = volume_flow_initial_l
1426	volume_flow_area = volume_flow_area_l
1427	#endif
1428
1429	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
1430
1431	volume_flow_initial_l = 0.0_wp
1432	volume_flow_area_l = 0.0_wp
1433
1434	IF ( nxr == nx ) THEN
1435	DO j = nys, nyn
1436	DO k = nzb_2d(j,nx)+1, nzt
1437	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1438	hom_sum(k,1,0) * dzw(k)
1439	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1440	ENDDO
1441	ENDDO
1442	ENDIF
1443
1444	IF ( nyn == ny ) THEN
1445	DO i = nxl, nxr
1446	DO k = nzb_2d(ny,i)+1, nzt
1447	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1448	hom_sum(k,2,0) * dzw(k)
1449	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1450	ENDDO
1451	ENDDO
1452	ENDIF
1453
1454	#if defined( __parallel )
1455	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1456	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1457	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1458	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1459
1460	#else
1461	volume_flow_initial = volume_flow_initial_l
1462	volume_flow_area = volume_flow_area_l
1463	#endif
1464
1465	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
1466
1467	volume_flow_initial_l = 0.0_wp
1468	volume_flow_area_l = 0.0_wp
1469
1470	IF ( nxr == nx ) THEN
1471	DO j = nys, nyn
1472	DO k = nzb_2d(j,nx)+1, nzt
1473	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
1474	u(k,j,nx) * dzw(k)
1475	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
1476	ENDDO
1477	ENDDO
1478	ENDIF
1479
1480	IF ( nyn == ny ) THEN
1481	DO i = nxl, nxr
1482	DO k = nzb_2d(ny,i)+1, nzt
1483	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
1484	v(k,ny,i) * dzw(k)
1485	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
1486	ENDDO
1487	ENDDO
1488	ENDIF
1489
1490	#if defined( __parallel )
1491	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
1492	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1493	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
1494	2, MPI_REAL, MPI_SUM, comm2d, ierr )
1495
1496	#else
1497	volume_flow_initial = volume_flow_initial_l
1498	volume_flow_area = volume_flow_area_l
1499	#endif
1500
1501	ENDIF
1502
1503	!
1504	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
1505	!-- from u\|v_bulk instead
1506	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
1507	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
1508	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
1509	ENDIF
1510
1511	ENDIF
1512
1513	!
1514	!-- Initialize quantities for special advections schemes
1515	CALL init_advec
1516
1517	!
1518	!-- Impose random perturbation on the horizontal velocity field and then
1519	!-- remove the divergences from the velocity field at the initial stage
1520	IF ( create_disturbances .AND. &
1521	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
1522	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
1523
1524	CALL location_message( 'creating initial disturbances', .FALSE. )
1525	CALL disturb_field( nzb_u_inner, tend, u )
1526	CALL disturb_field( nzb_v_inner, tend, v )
1527	CALL location_message( 'finished', .TRUE. )
1528
1529	CALL location_message( 'calling pressure solver', .FALSE. )
1530	n_sor = nsor_ini
1531	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
1532	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
1533	!$acc copyin( weight_pres, weight_substep ) &
1534	!$acc copy( tri, tric, u, v, w )
1535	CALL pres
1536	!$acc end data
1537	n_sor = nsor
1538	CALL location_message( 'finished', .TRUE. )
1539
1540	ENDIF
1541
1542	!
1543	!-- Initialization of the leaf area density
1544	IF ( plant_canopy ) THEN
1545
1546	SELECT CASE ( TRIM( canopy_mode ) )
1547
1548	CASE( 'block' )
1549
1550	DO i = nxlg, nxrg
1551	DO j = nysg, nyng
1552	lad_s(:,j,i) = lad(:)
1553	cdc(:,j,i) = drag_coefficient
1554	IF ( passive_scalar ) THEN
1555	sls(:,j,i) = leaf_surface_concentration
1556	sec(:,j,i) = scalar_exchange_coefficient
1557	ENDIF
1558	ENDDO
1559	ENDDO
1560
1561	CASE DEFAULT
1562
1563	!
1564	!-- The DEFAULT case is reached either if the parameter
1565	!-- canopy mode contains a wrong character string or if the
1566	!-- user has coded a special case in the user interface.
1567	!-- There, the subroutine user_init_plant_canopy checks
1568	!-- which of these two conditions applies.
1569	CALL user_init_plant_canopy
1570
1571	END SELECT
1572
1573	CALL exchange_horiz( lad_s, nbgp )
1574	CALL exchange_horiz( cdc, nbgp )
1575
1576	IF ( passive_scalar ) THEN
1577	CALL exchange_horiz( sls, nbgp )
1578	CALL exchange_horiz( sec, nbgp )
1579	ENDIF
1580
1581	!
1582	!-- Sharp boundaries of the plant canopy in horizontal directions
1583	!-- In vertical direction the interpolation is retained, as the leaf
1584	!-- area density is initialised by prescribing a vertical profile
1585	!-- consisting of piecewise linear segments. The upper boundary
1586	!-- of the plant canopy is now defined by lad_w(pch_index,:,:) = 0.0.
1587
1588	DO i = nxl, nxr
1589	DO j = nys, nyn
1590	DO k = nzb, nzt+1
1591	IF ( lad_s(k,j,i) > 0.0_wp ) THEN
1592	lad_u(k,j,i) = lad_s(k,j,i)
1593	lad_u(k,j,i+1) = lad_s(k,j,i)
1594	lad_v(k,j,i) = lad_s(k,j,i)
1595	lad_v(k,j+1,i) = lad_s(k,j,i)
1596	ENDIF
1597	ENDDO
1598	DO k = nzb, nzt
1599	lad_w(k,j,i) = 0.5_wp * ( lad_s(k+1,j,i) + lad_s(k,j,i) )
1600	ENDDO
1601	ENDDO
1602	ENDDO
1603
1604	lad_w(pch_index,:,:) = 0.0_wp
1605	lad_w(nzt+1,:,:) = lad_w(nzt,:,:)
1606
1607	CALL exchange_horiz( lad_u, nbgp )
1608	CALL exchange_horiz( lad_v, nbgp )
1609	CALL exchange_horiz( lad_w, nbgp )
1610
1611	!
1612	!-- Initialisation of the canopy heat source distribution
1613	IF ( cthf /= 0.0_wp ) THEN
1614	!
1615	!-- Piecewise evaluation of the leaf area index by
1616	!-- integration of the leaf area density
1617	lai(:,:,:) = 0.0_wp
1618	DO i = nxlg, nxrg
1619	DO j = nysg, nyng
1620	DO k = pch_index-1, 0, -1
1621	lai(k,j,i) = lai(k+1,j,i) + &
1622	( 0.5_wp * ( lad_w(k+1,j,i) + &
1623	lad_s(k+1,j,i) ) * &
1624	( zw(k+1) - zu(k+1) ) ) + &
1625	( 0.5_wp * ( lad_w(k,j,i) + &
1626	lad_s(k+1,j,i) ) * &
1627	( zu(k+1) - zw(k) ) )
1628	ENDDO
1629	ENDDO
1630	ENDDO
1631
1632	!
1633	!-- Evaluation of the upward kinematic vertical heat flux within the
1634	!-- canopy
1635	DO i = nxlg, nxrg
1636	DO j = nysg, nyng
1637	DO k = 0, pch_index
1638	canopy_heat_flux(k,j,i) = cthf * &
1639	exp( -0.6_wp * lai(k,j,i) )
1640	ENDDO
1641	ENDDO
1642	ENDDO
1643
1644	!
1645	!-- The near surface heat flux is derived from the heat flux
1646	!-- distribution within the canopy
1647	shf(:,:) = canopy_heat_flux(0,:,:)
1648
1649	ENDIF
1650
1651	ENDIF
1652
1653	!
1654	!-- If required, initialize dvrp-software
1655	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
1656
1657	IF ( ocean ) THEN
1658	!
1659	!-- Initialize quantities needed for the ocean model
1660	CALL init_ocean
1661
1662	ELSE
1663	!
1664	!-- Initialize quantities for handling cloud physics
1665	!-- This routine must be called before lpm_init, because
1666	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
1667	!-- lpm_init) is not defined.
1668	CALL init_cloud_physics
1669	ENDIF
1670
1671	!
1672	!-- If required, initialize particles
1673	IF ( particle_advection ) CALL lpm_init
1674
1675	!
1676	!-- Initialize the ws-scheme.
1677	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
1678
1679	!
1680	!-- Setting weighting factors for calculation of perturbation pressure
1681	!-- and turbulent quantities from the RK substeps
1682	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
1683
1684	weight_substep(1) = 1._wp/6._wp
1685	weight_substep(2) = 3._wp/10._wp
1686	weight_substep(3) = 8._wp/15._wp
1687
1688	weight_pres(1) = 1._wp/3._wp
1689	weight_pres(2) = 5._wp/12._wp
1690	weight_pres(3) = 1._wp/4._wp
1691
1692	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
1693
1694	weight_substep(1) = 1._wp/2._wp
1695	weight_substep(2) = 1._wp/2._wp
1696
1697	weight_pres(1) = 1._wp/2._wp
1698	weight_pres(2) = 1._wp/2._wp
1699
1700	ELSE ! for Euler-method
1701
1702	weight_substep(1) = 1.0_wp
1703	weight_pres(1) = 1.0_wp
1704
1705	ENDIF
1706
1707	!
1708	!-- Initialize Rayleigh damping factors
1709	rdf = 0.0_wp
1710	rdf_sc = 0.0_wp
1711	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
1712	IF ( .NOT. ocean ) THEN
1713	DO k = nzb+1, nzt
1714	IF ( zu(k) >= rayleigh_damping_height ) THEN
1715	rdf(k) = rayleigh_damping_factor * &
1716	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
1717	/ ( zu(nzt) - rayleigh_damping_height ) )&
1718	)**2
1719	ENDIF
1720	ENDDO
1721	ELSE
1722	DO k = nzt, nzb+1, -1
1723	IF ( zu(k) <= rayleigh_damping_height ) THEN
1724	rdf(k) = rayleigh_damping_factor * &
1725	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
1726	/ ( rayleigh_damping_height - zu(nzb+1)))&
1727	)**2
1728	ENDIF
1729	ENDDO
1730	ENDIF
1731	ENDIF
1732	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
1733
1734	!
1735	!-- Initialize the starting level and the vertical smoothing factor used for
1736	!-- the external pressure gradient
1737	dp_smooth_factor = 1.0_wp
1738	IF ( dp_external ) THEN
1739	!
1740	!-- Set the starting level dp_level_ind_b only if it has not been set before
1741	!-- (e.g. in init_grid).
1742	IF ( dp_level_ind_b == 0 ) THEN
1743	ind_array = MINLOC( ABS( dp_level_b - zu ) )
1744	dp_level_ind_b = ind_array(1) - 1 + nzb
1745	! MINLOC uses lower array bound 1
1746	ENDIF
1747	IF ( dp_smooth ) THEN
1748	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
1749	DO k = dp_level_ind_b+1, nzt
1750	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
1751	( REAL( k - dp_level_ind_b, KIND=wp ) / &
1752	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
1753	ENDDO
1754	ENDIF
1755	ENDIF
1756
1757	!
1758	!-- Initialize damping zone for the potential temperature in case of
1759	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
1760	!-- at the inflow boundary and decreases to zero at pt_damping_width.
1761	ptdf_x = 0.0_wp
1762	ptdf_y = 0.0_wp
1763	IF ( bc_lr_dirrad ) THEN
1764	DO i = nxl, nxr
1765	IF ( ( i * dx ) < pt_damping_width ) THEN
1766	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
1767	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
1768	REAL( pt_damping_width, KIND=wp ) ) ) )**2
1769	ENDIF
1770	ENDDO
1771	ELSEIF ( bc_lr_raddir ) THEN
1772	DO i = nxl, nxr
1773	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
1774	ptdf_x(i) = pt_damping_factor * &
1775	SIN( pi * 0.5_wp * &
1776	( ( i - nx ) * dx + pt_damping_width ) / &
1777	REAL( pt_damping_width, KIND=wp ) )**2
1778	ENDIF
1779	ENDDO
1780	ELSEIF ( bc_ns_dirrad ) THEN
1781	DO j = nys, nyn
1782	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
1783	ptdf_y(j) = pt_damping_factor * &
1784	SIN( pi * 0.5_wp * &
1785	( ( j - ny ) * dy + pt_damping_width ) / &
1786	REAL( pt_damping_width, KIND=wp ) )**2
1787	ENDIF
1788	ENDDO
1789	ELSEIF ( bc_ns_raddir ) THEN
1790	DO j = nys, nyn
1791	IF ( ( j * dy ) < pt_damping_width ) THEN
1792	ptdf_y(j) = pt_damping_factor * &
1793	SIN( pi * 0.5_wp * &
1794	( pt_damping_width - j * dy ) / &
1795	REAL( pt_damping_width, KIND=wp ) )**2
1796	ENDIF
1797	ENDDO
1798	ENDIF
1799
1800	!
1801	!-- Initialize local summation arrays for routine flow_statistics.
1802	!-- This is necessary because they may not yet have been initialized when they
1803	!-- are called from flow_statistics (or - depending on the chosen model run -
1804	!-- are never initialized)
1805	sums_divnew_l = 0.0_wp
1806	sums_divold_l = 0.0_wp
1807	sums_l_l = 0.0_wp
1808	sums_up_fraction_l = 0.0_wp
1809	sums_wsts_bc_l = 0.0_wp
1810
1811	!
1812	!-- Pre-set masks for regional statistics. Default is the total model domain.
1813	!-- Ghost points are excluded because counting values at the ghost boundaries
1814	!-- would bias the statistics
1815	rmask = 1.0_wp
1816	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
1817	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
1818
1819	!
1820	!-- User-defined initializing actions. Check afterwards, if maximum number
1821	!-- of allowed timeseries is exceeded
1822	CALL user_init
1823
1824	IF ( dots_num > dots_max ) THEN
1825	WRITE( message_string, * ) 'number of time series quantities exceeds', &
1826	' its maximum of dots_max = ', dots_max, &
1827	' &Please increase dots_max in modules.f90.'
1828	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
1829	ENDIF
1830
1831	!
1832	!-- Input binary data file is not needed anymore. This line must be placed
1833	!-- after call of user_init!
1834	CALL close_file( 13 )
1835
1836	!
1837	!-- Compute total sum of active mask grid points
1838	!-- ngp_2dh: number of grid points of a horizontal cross section through the
1839	!-- total domain
1840	!-- ngp_3d: number of grid points of the total domain
1841	ngp_2dh_outer_l = 0
1842	ngp_2dh_outer = 0
1843	ngp_2dh_s_inner_l = 0
1844	ngp_2dh_s_inner = 0
1845	ngp_2dh_l = 0
1846	ngp_2dh = 0
1847	ngp_3d_inner_l = 0.0_wp
1848	ngp_3d_inner = 0
1849	ngp_3d = 0
1850	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
1851
1852	DO sr = 0, statistic_regions
1853	DO i = nxl, nxr
1854	DO j = nys, nyn
1855	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
1856	!
1857	!-- All xy-grid points
1858	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
1859	!
1860	!-- xy-grid points above topography
1861	DO k = nzb_s_outer(j,i), nz + 1
1862	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
1863	ENDDO
1864	DO k = nzb_s_inner(j,i), nz + 1
1865	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
1866	ENDDO
1867	!
1868	!-- All grid points of the total domain above topography
1869	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
1870	( nz - nzb_s_inner(j,i) + 2 )
1871	ENDIF
1872	ENDDO
1873	ENDDO
1874	ENDDO
1875
1876	sr = statistic_regions + 1
1877	#if defined( __parallel )
1878	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1879	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
1880	comm2d, ierr )
1881	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1882	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
1883	MPI_INTEGER, MPI_SUM, comm2d, ierr )
1884	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1885	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
1886	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
1887	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
1888	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
1889	MPI_SUM, comm2d, ierr )
1890	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
1891	#else
1892	ngp_2dh = ngp_2dh_l
1893	ngp_2dh_outer = ngp_2dh_outer_l
1894	ngp_2dh_s_inner = ngp_2dh_s_inner_l
1895	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
1896	#endif
1897
1898	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
1899	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
1900
1901	!
1902	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
1903	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
1904	!-- the respective subdomain lie below the surface topography
1905	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
1906	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
1907	ngp_3d_inner(:) )
1908	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
1909
1910	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
1911
1912	CALL location_message( 'leaving init_3d_model', .TRUE. )
1913
1914	END SUBROUTINE init_3d_model

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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1402

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