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pmc_particle_interface.f90 @ 4883

Last change on this file since 4883 was 4883, checked in by hellstea, 3 years ago
user switch for particle coupling added
Property svn:keywords set to `Id`
File size: 52.0 KB

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1	!--------------------------------------------------------------------------------------------------!
2	! This file is part of the PALM model system.
3	!
4	! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General
5	! Public License as published by the Free Software Foundation, either version 3 of the License, or
6	! (at your option) any later version.
7	!
8	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
9	! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
10	! Public License for more details.
11	!
12	! You should have received a copy of the GNU General Public License along with PALM. If not, see
13	! <http://www.gnu.org/licenses/>.
14	!
15	! Copyright 1997-2021 Leibniz Universitaet Hannover
16	!--------------------------------------------------------------------------------------------------!
17	!
18	!
19	! Current revisions:
20	! -----------------
21	!
22	!
23	! Former revisions:
24	! -----------------
25	! $Id: pmc_particle_interface.f90 4883 2021-02-23 16:32:41Z hellstea $
26	! User switch for particle coupling added. Some code reformatting according to follow PALM coding standard.
27	!
28	! 4828 2021-01-05 11:21:41Z Giersch
29	! File re-formatted to follow the PALM coding standard
30	!
31	!
32	! 4629 2020-07-29 09:37:56Z raasch
33	! Support for MPI Fortran77 interface (mpif.h) removed
34	!
35	! 4444 2020-03-05 15:59:50Z raasch
36	! Bugfix: preprocessor directives for serial mode added
37	!
38	! 4360 2020-01-07 11:25:50Z suehring
39	! Corrected "Former revisions" section
40	!
41	! 4043 2019-06-18 16:59:00Z schwenkel
42	! Remove min_nr_particle
43	!
44	! 4017 2019-06-06 12:16:46Z schwenkel
45	! Coarse bound renamed as parent_bound and icl, icr, jcs, jcn as ipl, ipr, jps, jpn.
46	!
47	! 3883 2019-04-10 12:51:50Z hellstea
48	! Function get_number_of_childs renamed to get_number_of_children and cg renamed to pg according to
49	! their definitions in pmc_interface_mod
50	!
51	! 3655 2019-01-07 16:51:22Z knoop
52	! Unused variables removed
53	!
54	! Initial Version (by Klaus Ketelsen)
55	!
56	!
57	!--------------------------------------------------------------------------------------------------!
58	! Description:
59	! ------------
60	! Introduce particle transfer in nested models.
61	! Interface to palm lpm model to handel particle transfer between parent and child model.
62	!--------------------------------------------------------------------------------------------------!
63	MODULE pmc_particle_interface
64
65	#if defined( __parallel )
66
67	USE, INTRINSIC :: ISO_C_BINDING
68
69	USE MPI
70
71	USE kinds
72
73	USE pegrid, &
74	ONLY: myidx, &
75	myidy
76
77	USE indices, &
78	ONLY: nbgp, &
79	nx, &
80	nxl, &
81	nxr, &
82	nxlg, &
83	nxrg, &
84	ny, &
85	nys, &
86	nyn, &
87	nysg, &
88	nyng, &
89	nzb, &
90	nzt
91
92	USE grid_variables, &
93	ONLY: dx, &
94	dy
95
96	USE arrays_3d, &
97	ONLY: zw
98
99	USE control_parameters, &
100	ONLY: message_string
101
102	USE particle_attributes, &
103	ONLY: alloc_factor, &
104	grid_particles, &
105	ibc_par_lr, &
106	ibc_par_ns, &
107	ibc_par_t, &
108	particles, &
109	particle_type, &
110	prt_count, &
111	number_of_particles, &
112	zero_particle
113
114	! USE lpm_pack_and_sort_mod
115
116	#if defined( __parallel )
117	USE pmc_general, &
118	ONLY: pedef
119
120	USE pmc_parent, &
121	ONLY: children, &
122	pmc_s_fillbuffer, &
123	pmc_s_getdata_from_buffer, &
124	pmc_s_get_child_npes
125
126	USE pmc_child, &
127	ONLY: me, &
128	pmc_c_getbuffer, &
129	pmc_c_putbuffer
130
131	USE pmc_interface, &
132	ONLY: coord_x, &
133	coord_y, &
134	cpl_id, &
135	get_childid, &
136	get_child_edges, &
137	get_child_gridspacing, &
138	get_number_of_children, &
139	lower_left_coord_x, &
140	lower_left_coord_y, &
141	nested_run, &
142	nr_part, &
143	nr_partc, &
144	parent_bound, &
145	particle_coupling, &
146	part_adr, &
147	part_adrc, &
148	pg
149
150	USE pmc_handle_communicator, &
151	ONLY: pmc_parent_for_child
152
153	USE pmc_mpi_wrapper, &
154	ONLY: pmc_recv_from_child, &
155	pmc_send_to_parent
156
157	#endif
158
159	IMPLICIT NONE
160
161	PRIVATE
162	SAVE
163
164	TYPE coarse_particle_def
165	INTEGER(iwp) :: nr_particle !<
166
167	TYPE(particle_type),ALLOCATABLE,DIMENSION(:) :: parent_particles !<
168	END TYPE coarse_particle_def
169
170	INTEGER(iwp),PARAMETER :: max_nr_particle_in_rma_win = 100000 !<
171	INTEGER(iwp),PARAMETER :: min_particles_per_column = 100 !<
172
173
174	INTEGER(iwp) :: nr_fine_in_coarse !< Number of fine grid cells in coarse grid (one direction)
175	INTEGER(iwp) :: particle_win_child !<
176
177	INTEGER(iwp),ALLOCATABLE,DIMENSION(:) :: particle_win_parent !<
178
179	TYPE(C_PTR), ALLOCATABLE,DIMENSION(:) :: buf_ptr !<
180
181	TYPE(particle_type), DIMENSION(:),POINTER :: particle_in_win !<
182
183	TYPE(coarse_particle_def),ALLOCATABLE,DIMENSION(:,:) :: coarse_particles !<
184
185	INTERFACE pmcp_g_init
186	MODULE PROCEDURE pmcp_g_init
187	END INTERFACE pmcp_g_init
188
189	INTERFACE pmcp_g_alloc_win
190	MODULE PROCEDURE pmcp_g_alloc_win
191	END INTERFACE pmcp_g_alloc_win
192
193	INTERFACE pmcp_c_get_particle_from_parent
194	MODULE PROCEDURE pmcp_c_get_particle_from_parent
195	END INTERFACE pmcp_c_get_particle_from_parent
196
197	INTERFACE pmcp_c_send_particle_to_parent
198	MODULE PROCEDURE pmcp_c_send_particle_to_parent
199	END INTERFACE pmcp_c_send_particle_to_parent
200
201	INTERFACE pmcp_p_fill_particle_win
202	MODULE PROCEDURE pmcp_p_fill_particle_win
203	END INTERFACE pmcp_p_fill_particle_win
204
205	INTERFACE pmcp_p_empty_particle_win
206	MODULE PROCEDURE pmcp_p_empty_particle_win
207	END INTERFACE pmcp_p_empty_particle_win
208
209	INTERFACE pmcp_g_print_number_of_particles
210	MODULE PROCEDURE pmcp_g_print_number_of_particles
211	END INTERFACE pmcp_g_print_number_of_particles
212
213	INTERFACE pmcp_p_delete_particles_in_fine_grid_area
214	MODULE PROCEDURE pmcp_p_delete_particles_in_fine_grid_area
215	END INTERFACE pmcp_p_delete_particles_in_fine_grid_area
216
217	PUBLIC pmcp_g_init, pmcp_g_alloc_win, pmcp_c_get_particle_from_parent
218	PUBLIC pmcp_c_send_particle_to_parent, pmcp_p_fill_particle_win, pmcp_g_print_number_of_particles
219	PUBLIC pmcp_p_empty_particle_win, pmcp_p_delete_particles_in_fine_grid_area
220
221	CONTAINS
222
223	!--------------------------------------------------------------------------------------------------!
224	! Description:
225	! ------------
226	!> General routine:
227	!> Initializing actions of the particle interface check particle boundary conditions for the child
228	!> models
229	!--------------------------------------------------------------------------------------------------!
230	SUBROUTINE pmcp_g_init
231
232	IMPLICIT NONE
233
234	INTEGER(iwp) :: nr_childs !< Number of child models of the current model
235
236	#if defined( __parallel )
237
238	nr_childs = get_number_of_children()
239	!
240	!-- Check if the current model has child models
241	IF ( nr_childs > 0 ) THEN
242	ALLOCATE( nr_part(nysg:nyng, nxlg:nxrg) )
243	ALLOCATE( part_adr(nysg:nyng, nxlg:nxrg) )
244	nr_part = 0
245	part_adr = 0
246	ENDIF
247	!
248	!-- Set the boundary conditions to nested for all non root (i.e child) models
249	IF ( cpl_id > 1 ) THEN
250	IF ( particle_coupling ) THEN
251	IF ( ibc_par_t /= 3 ) THEN
252	ibc_par_t = 3
253	message_string = 'In Child model: ibc_par_t is automatically set to nested '
254	CALL message( 'pmcp_g_init ', 'PA0477', 0, 1, 0, 6, 0 )
255	ENDIF
256
257	IF ( ibc_par_lr /= 3 ) THEN
258	ibc_par_lr = 3
259	message_string = 'In Child model: ibc_par_lr is automatically set to nested '
260	CALL message( 'pmcp_g_init ', 'PA0478', 0, 1, 0, 6, 0 )
261	ENDIF
262
263	IF ( ibc_par_ns /= 3 ) THEN
264	ibc_par_ns = 3
265	message_string = 'In Child model: ibc_par_ns is automatically set to nested '
266	CALL message( 'pmcp_g_init ', 'PA0479', 0, 1, 0, 6, 0 )
267	ENDIF
268	ENDIF
269
270	ENDIF
271
272	#endif
273	END SUBROUTINE pmcp_g_init
274
275
276	!--------------------------------------------------------------------------------------------------!
277	! Description:
278	! ------------
279	!> General routine:
280	!> Allocate the MPI windows
281	!--------------------------------------------------------------------------------------------------!
282	SUBROUTINE pmcp_g_alloc_win
283
284	IMPLICIT NONE
285
286	INTEGER(iwp) :: child_id !< Id of a child model
287	INTEGER(iwp) :: ierr !< error code
288	INTEGER(iwp) :: ipl !< left boundary in coarse(parent) index space
289	INTEGER(iwp) :: ipr !< right boundary in coarse(parent) index space
290	INTEGER(iwp) :: jps !< south boundary in coarse(parent) index space
291	INTEGER(iwp) :: jpn !< north boundary in coarse(parent) index space
292	INTEGER(iwp) :: m !< loop index
293	INTEGER(iwp) :: nr_childs !< Number of child models of the current model
294
295	INTEGER :: parsize !<
296
297	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
298
299	TYPE(C_PTR), SAVE :: ptr !<
300
301	TYPE(particle_type),DIMENSION(:),POINTER :: win_buffer !<
302
303
304	#if defined( __parallel )
305	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
306	INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !<
307
308	!
309	!-- If the model has a parent model prepare the structures for transfer
310	IF ( cpl_id > 1 ) THEN
311
312	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle) / 8
313
314	CALL MPI_ALLOC_MEM( parsize_mpi_address_kind , MPI_INFO_NULL, ptr, ierr )
315	parsize = parsize_mpi_address_kind
316	buf_shape(1) = 1
317	CALL C_F_POINTER( ptr, win_buffer, buf_shape )
318	CALL MPI_WIN_CREATE( win_buffer, parsize_mpi_address_kind, parsize, MPI_INFO_NULL, &
319	me%intra_comm, particle_win_child, ierr )
320
321	!
322	!-- Child domain boundaries in the parent index space
323	ipl = parent_bound(1)
324	ipr = parent_bound(2)
325	jps = parent_bound(3)
326	jpn = parent_bound(4)
327
328	ALLOCATE( coarse_particles(jps:jpn,ipl:ipr) )
329
330	coarse_particles(:,:)%nr_particle = 0
331	ENDIF
332
333	!
334	!-- If the model has child models prepare the structures for transfer
335	nr_childs = get_number_of_children()
336	IF ( nr_childs > 0 ) THEN
337	ALLOCATE( particle_win_parent(nr_childs) )
338	ALLOCATE( buf_ptr(nr_childs) )
339	DO m = 1, nr_childs
340	child_id = get_childid(m)
341	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle) / 8
342	parsize = parsize_mpi_address_kind
343
344	winsize = max_nr_particle_in_rma_win * parsize_mpi_address_kind
345	CALL MPI_ALLOC_MEM( winsize , MPI_INFO_NULL, buf_ptr(m), ierr )
346	buf_shape(1) = max_nr_particle_in_rma_win
347	CALL C_F_POINTER( buf_ptr(m), win_buffer, buf_shape )
348	CALL MPI_WIN_CREATE( win_buffer, winsize, parsize, MPI_INFO_NULL, &
349	children(child_id)%intra_comm, particle_win_parent(m), ierr )
350	ENDDO
351	ENDIF
352
353	#endif
354	END SUBROUTINE pmcp_g_alloc_win
355
356
357	!--------------------------------------------------------------------------------------------------!
358	! Description:
359	! ------------
360	!> Child routine:
361	!> Read/get particles out of the parent MPI window
362	!--------------------------------------------------------------------------------------------------!
363	SUBROUTINE pmcp_c_get_particle_from_parent
364
365	IMPLICIT NONE
366
367	INTEGER(iwp) :: i !< x grid index
368	INTEGER(iwp) :: ierr !< error code
369	INTEGER(iwp) :: ij !< combined xy index for the buffer array
370	INTEGER(iwp) :: ip !< loop index (child PEs)
371	INTEGER(iwp) :: ipl !< left boundary in coarse(parent) index space
372	INTEGER(iwp) :: j !< y grid index
373	INTEGER(iwp) :: jps !< south boundary in coarse(parent) index space
374	INTEGER(iwp) :: nr !< number of particles to receive from a parent box
375
376	INTEGER :: parsize !<
377
378	#if defined( __parallel )
379	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
380
381	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
382	INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !<
383
384	IF ( cpl_id > 1 ) THEN
385
386	CALL pmc_c_getbuffer( particle_transfer = .TRUE. ) !Get number of particle/column and offset in RMA window xx
387
388	!
389	!-- Wait for buffer to fill.
390	!
391	!-- The parent side (in pmc_s_fillbuffer) is filling the buffer in the MPI RMA window. When the
392	!-- filling is complete, a MPI_BARRIER is called. The child is not allowd to access the
393	!-- parent-buffer before it is completely filled. Synchronization is done implicitely in
394	!-- pmc_c_getbuffer and pmc_s_fillbuffer on the parent side.
395
396	ipl = parent_bound(1)
397	jps = parent_bound(3)
398
399	DO ip = 1, me%inter_npes
400
401	ape => me%pes(ip)
402
403	DO ij = 1, ape%nrele
404	j = ape%locind(ij)%j + jps - 1
405	i = ape%locind(ij)%i + ipl - 1
406	nr = nr_partc(j,i)
407	IF ( nr > 0 ) THEN
408
409	CALL check_and_alloc_coarse_particle (i, j, nr)
410	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle) / 8
411	parsize = parsize_mpi_address_kind
412	target_disp = part_adrc(j,i) - 1
413	CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , ip - 1, 0, particle_win_child, ierr )
414	CALL MPI_GET( coarse_particles(j,i)%parent_particles, nr * parsize, MPI_BYTE, &
415	ip - 1, target_disp, nr * parsize, MPI_BYTE, particle_win_child, &
416	ierr )
417	CALL MPI_WIN_UNLOCK( ip - 1, particle_win_child, ierr )
418	ENDIF
419	coarse_particles(j,i)%nr_particle = nr
420	ENDDO
421	ENDDO
422
423	CALL c_copy_particle_to_child_grid
424	ENDIF
425
426	#endif
427	END SUBROUTINE pmcp_c_get_particle_from_parent
428
429
430	!--------------------------------------------------------------------------------------------------!
431	! Description:
432	! ------------
433	!> Child routine:
434	!> Write/put particles into the parent MPI window
435	!--------------------------------------------------------------------------------------------------!
436	SUBROUTINE pmcp_c_send_particle_to_parent
437
438	IMPLICIT NONE
439
440	INTEGER(iwp) :: disp_offset !<
441	INTEGER(iwp) :: i !< x loop index
442	INTEGER(iwp) :: ierr !< error code
443	INTEGER(iwp) :: ij !< combined xy index for the buffer array
444	INTEGER(iwp) :: ip !< loop index (child PEs)
445	INTEGER(iwp) :: ipl !< left boundary in coarse(parent) index space
446	INTEGER(iwp) :: ipr !< right boundary in coarse(parent) index space
447	INTEGER(iwp) :: j !< y loop index
448	INTEGER(iwp) :: jpn !< north boundary in coarse(parent) index space
449	INTEGER(iwp) :: jps !< south boundary in coarse(parent) index space
450	INTEGER(iwp) :: max_nr_particle_per_pe !< maximum number of particles per PE (depending on grid apect ratio)
451	INTEGER(iwp) :: n !< shorter variable name for nr_fine_in_coarse
452	INTEGER(iwp) :: nr !< shorter variabel name for nr_partc
453	INTEGER(iwp) :: pe_offset !< offset index of the current PE
454
455	INTEGER :: parsize !<
456
457	REAL(wp) :: eps=0.00001 !< used in calculations to avoid rounding errors
458	REAL(wp) :: xx !< number of fine grid cells inside a coarse grid cell in x-direction
459	REAL(wp) :: yy !< number of fine grid cells inside a coarse grid cell in y-direction
460
461	! TYPE(particle_type) :: dummy_part !< dummy particle (needed for size calculations)
462
463	#if defined( __parallel )
464	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
465
466	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
467	INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !<
468
469
470	IF ( cpl_id > 1 ) THEN
471	CALL c_copy_particle_to_coarse_grid
472
473	!
474	!-- Child domain boundaries in the parent index space
475
476	ipl = parent_bound(1)
477	ipr = parent_bound(2)
478	jps = parent_bound(3)
479	jpn = parent_bound(4)
480
481	nr_partc = 0
482
483	DO i = ipl, ipr
484	DO j = jps, jpn
485	nr_partc(j,i) = coarse_particles(j,i)%nr_particle
486	ENDDO
487	ENDDO
488	part_adrc = 0
489
490	!
491	!-- Compute number of fine grid cells in coarse grid (one direction)
492	xx = ( pg%dx + eps ) / dx ! +eps to avoid rounding error
493	yy = ( pg%dy + eps ) / dy
494	nr_fine_in_coarse = MAX( INT( xx ), INT( yy ) )
495
496	IF ( MOD( coord_x(0), pg%dx ) /= 0.0 .OR. MOD( coord_y(0), pg%dy ) /= 0.0 ) THEN
497	nr_fine_in_coarse = nr_fine_in_coarse + 1
498	ENDIF
499
500	!
501	!-- Assign a number to my child PE to select different areas in the RMA window on server side
502	!-- With this number a square of child PEs is defined which share the same coarse grid cells
503
504	n = nr_fine_in_coarse ! Local variable n to make folloing statements shorter
505	pe_offset = MOD( myidx, n ) * n + MOD( myidy, n)
506	max_nr_particle_per_pe = max_nr_particle_in_rma_win / ( n * n )
507	disp_offset = pe_offset * max_nr_particle_per_pe
508	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle) /8
509	parsize = parsize_mpi_address_kind
510	DO ip = 1, me%inter_npes
511
512	ape => me%pes(ip)
513
514	target_disp = disp_offset
515	DO ij = 1, ape%nrele
516	j = ape%locind(ij)%j + jps - 1
517	i = ape%locind(ij)%i + ipl - 1
518	nr = nr_partc(j,i)
519	IF( nr > 0 ) THEN
520	IF ( target_disp + nr - disp_offset >= max_nr_particle_per_pe ) THEN
521	WRITE( 9, * ) 'RMA window too small on child ', &
522	target_disp + nr - disp_offset, max_nr_particle_per_pe, &
523	max_nr_particle_in_rma_win
524	message_string = 'RMA window too small on child'
525	CALL message( 'pmci_create_child_arrays', 'PA0480', 3, 2, 0, 6, 0 )
526	ENDIF
527	CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , ip - 1, 0, particle_win_child, ierr )
528	CALL MPI_PUT( coarse_particles(j,i)%parent_particles, nr * parsize, MPI_BYTE, &
529	ip - 1, target_disp, nr * parsize, MPI_BYTE, particle_win_child, &
530	ierr )
531	CALL MPI_WIN_UNLOCK( ip - 1, particle_win_child, ierr )
532	part_adrc(j,i) = target_disp + 1
533	target_disp = target_disp + nr
534	ENDIF
535	ENDDO
536	ENDDO
537
538	CALL pmc_c_putbuffer ( particle_transfer = .TRUE. ) !Send new number of particle/column and offset to parent
539
540	ENDIF
541
542	#endif
543	END SUBROUTINE pmcp_c_send_particle_to_parent
544
545
546	!--------------------------------------------------------------------------------------------------!
547	! Description:
548	! ------------
549	!> Parent routine:
550	!> Write particles into the MPI window
551	!--------------------------------------------------------------------------------------------------!
552	SUBROUTINE pmcp_p_fill_particle_win
553
554	IMPLICIT NONE
555
556	INTEGER(iwp) :: child_id !< id of the child model
557	INTEGER(iwp) :: i !< x grid box index
558	INTEGER(iwp) :: ij !< combined xy index for the buffer array
559	INTEGER(iwp) :: ip !< loop index (child PEs)
560	INTEGER(iwp) :: j !< y grid box index
561	INTEGER(iwp) :: k !< z grid box index
562	INTEGER(iwp) :: m !< loop index (number of childs)
563	INTEGER(iwp) :: n !< loop index (number of particles)
564	INTEGER(iwp) :: nr_part_col !< Number of particles to transfer per column
565	INTEGER(iwp) :: number_of_particles !<
566	INTEGER(iwp) :: pindex !<
567	INTEGER(iwp) :: tot_particle_count !< Total number of particles per child
568
569	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
570
571	LOGICAL :: active_particle !< Particles located in the fine/child grid area are marked as active (to be transferred)
572	LOGICAL,SAVE :: lfirst = .TRUE. !<
573
574	REAL(wp) :: dx_child !< child grid spacing
575	REAL(wp) :: dy_child !< child grid spacing
576	REAL(wp) :: dz_child !< child grid spacing
577	REAL(wp) :: ny_coord !< north coordinate of child grid
578	REAL(wp) :: ny_coord_b !< north coordinate of child grid boundary
579	REAL(wp) :: lx_coord !< left coordinate of child grid
580	REAL(wp) :: lx_coord_b !< left coordinate of child grid boundary
581	REAL(wp) :: rx_coord !< right coordinate of child grid
582	REAL(wp) :: rx_coord_b !< right coordinate of child grid boundary
583	REAL(wp) :: sy_coord !< south coordinate of child grid
584	REAL(wp) :: sy_coord_b !< south coordinate of child grid boundary
585	REAL(wp) :: uz_coord !< upper coordinate of child grid
586	REAL(wp) :: uz_coord_b !< upper coordinate of child grid boundary
587	REAL(wp) :: x !< particle position
588	REAL(wp) :: y !< particle position
589	REAL(wp) :: z !< particle position
590
591
592	#if defined( __parallel )
593	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
594
595	DO m = 1, get_number_of_children()
596
597	child_id = get_childid(m)
598
599	CALL get_child_edges( m, lx_coord, lx_coord_b, rx_coord, rx_coord_b, sy_coord, sy_coord_b, &
600	ny_coord, ny_coord_b, uz_coord, uz_coord_b)
601
602	CALL get_child_gridspacing( m, dx_child, dy_child, dz_child )
603
604	IF ( lfirst ) THEN
605	WRITE( 9, '(a,5f10.2)' ) 'edges ', lx_coord,rx_coord, sy_coord, ny_coord, &
606	uz_coord
607	WRITE( 9, '(a,5f10.2)' ) 'edges boundary ', lx_coord_b, rx_coord_b, sy_coord_b, &
608	ny_coord_b, uz_coord_b
609	WRITE( 9, '(a,5f10.2)' ) 'child spacing ', dx_child, dy_child, dz_child, &
610	lower_left_coord_x,lower_left_coord_y
611	ENDIF
612	!
613	!-- Reset values for every child
614	tot_particle_count = 0
615	nr_part = 0
616	part_adr = 0
617	pindex = 1
618
619	buf_shape(1) = max_nr_particle_in_rma_win
620	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
621
622	DO ip = 1, children(child_id)%inter_npes
623
624	ape => children(child_id)%pes(ip)
625
626	nr_part_col = 0
627
628	DO ij = 1, ape%nrele
629
630	!
631	!-- Inside the PMC adressing of 3d arrays starts with 1
632	i = ape%locind(ij)%i + nxl - nbgp - 1
633	j = ape%locind(ij)%j + nys - nbgp - 1
634	nr_part_col = 0 ! Number of particles to transfer per column
635	part_adr(j,i) = pindex
636
637	DO k = nzb + 1, nzt
638	number_of_particles = prt_count(k,j,i)
639
640	IF ( number_of_particles <= 0 ) CYCLE
641
642	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
643
644	! Select particles within boundary area
645
646	DO n = 1, number_of_particles
647	x = particles(n)%x
648	y = particles(n)%y
649	z = particles(n)%z
650	!
651	!-- Check if the particle is located in the fine grid area
652	active_particle = ( (x > lx_coord .AND. x < rx_coord) .AND. &
653	(y > sy_coord .AND. y < ny_coord) .AND. &
654	(z > 0.000000001 .AND. z < uz_coord) )
655	IF ( active_particle .AND. particles(n)%particle_mask ) THEN
656
657	particle_in_win(pindex) = particles(n)
658	!
659	!-- Change particle positions and origin relative to global origin
660	particle_in_win(pindex)%x = particle_in_win(pindex)%x + lower_left_coord_x
661	particle_in_win(pindex)%y = particle_in_win(pindex)%y + lower_left_coord_y
662	particle_in_win(pindex)%origin_x = particle_in_win(pindex)%origin_x &
663	+ lower_left_coord_x
664	particle_in_win(pindex)%origin_y = particle_in_win(pindex)%origin_y &
665	+ lower_left_coord_y
666
667	tot_particle_count = tot_particle_count + 1
668	nr_part_col = nr_part_col + 1
669	pindex = pindex + 1
670	IF ( pindex > max_nr_particle_in_rma_win ) THEN
671	WRITE( 9, * ) 'RMA window too small on parent ', pindex, &
672	max_nr_particle_in_rma_win
673	message_string = 'RMA window too small on parent'
674	CALL message( 'pmci_create_child_arrays', 'PA0481', 3, 2, 0, 6, 0 ) ! PA number has to be adjusted
675	ENDIF
676	END IF
677	ENDDO
678	ENDDO
679	nr_part(j,i) = nr_part_col
680	ENDDO
681	ENDDO
682
683	CALL pmc_s_fillbuffer( child_id, particle_transfer = .TRUE. )
684	ENDDO
685
686	lfirst = .FALSE.
687
688	#endif
689	END SUBROUTINE pmcp_p_fill_particle_win
690
691
692	!--------------------------------------------------------------------------------------------------!
693	! Description:
694	! ------------
695	!> Parent routine:
696	!> Delete particles from the MPI window
697	!--------------------------------------------------------------------------------------------------!
698	SUBROUTINE pmcp_p_empty_particle_win
699
700	IMPLICIT NONE
701
702	INTEGER(iwp) :: child_id !< model id of the child
703	INTEGER(iwp) :: ip !< loop index (child PEs)
704	INTEGER(iwp) :: m !< loop index (number of childs)
705
706	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
707
708	#if defined( __parallel )
709	DO m = 1, get_number_of_children()
710
711	child_id = get_childid(m)
712
713	buf_shape(1) = max_nr_particle_in_rma_win
714	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
715
716	!
717	!-- In some cells of the coarse grid, there are contributions from more than one child process.
718	!-- Therefore p_copy_particle_to_org_grid is done for one child process per call
719	DO ip = 1, pmc_s_get_child_npes( child_id )
720
721	nr_part = 0
722	part_adr = 0
723
724	CALL pmc_s_getdata_from_buffer( child_id, particle_transfer = .TRUE., &
725	child_process_nr = ip )
726	CALL p_copy_particle_to_org_grid( m )
727	ENDDO
728
729	ENDDO
730
731	#endif
732	END SUBROUTINE pmcp_p_empty_particle_win
733
734
735	!--------------------------------------------------------------------------------------------------!
736	! Description:
737	! ------------
738	!> Parent routine:
739	!> After the transfer mark all parent particles that are still inside on of the child areas for
740	!> deletion.
741	!--------------------------------------------------------------------------------------------------!
742	SUBROUTINE pmcp_p_delete_particles_in_fine_grid_area
743
744	IMPLICIT NONE
745
746	INTEGER(iwp) :: i !< loop index (x grid)
747	INTEGER(iwp) :: j !< loop index (y grid)
748	INTEGER(iwp) :: k !< loop index (z grid)
749	INTEGER(iwp) :: m !< loop index (number of particles)
750	INTEGER(iwp) :: n !< loop index (number of childs)
751
752	LOGICAL :: to_delete !< particles outside of model domain are marked as to_delete
753
754	REAL(wp) :: dx_child !< child grid spacing
755	REAL(wp) :: dy_child !< child grid spacing
756	REAL(wp) :: dz_child !< child grid spacing
757	REAL(wp) :: ny_coord !< north coordinate of child grid
758	REAL(wp) :: ny_coord_b !< north coordinate of child grid boundary
759	REAL(wp) :: lx_coord !< left coordinate of child grid
760	REAL(wp) :: lx_coord_b !< left coordinate of child grid boundary
761	REAL(wp) :: rx_coord !< right coordinate of child grid
762	REAL(wp) :: rx_coord_b !< right coordinate of child grid boundary
763	REAL(wp) :: sy_coord !< south coordinate of child grid
764	REAL(wp) :: sy_coord_b !< south coordinate of child grid boundary
765	REAL(wp) :: uz_coord !< upper coordinate of child grid
766	REAL(wp) :: uz_coord_b !< upper coordinate of child grid boundary
767	REAL(wp) :: x !< particle position
768	REAL(wp) :: y !< particle position
769	REAL(wp) :: z !< particle position
770
771	#if defined( __parallel )
772	DO m = 1, get_number_of_children()
773	CALL get_child_edges( m, lx_coord, lx_coord_b, rx_coord, rx_coord_b, sy_coord, sy_coord_b, &
774	ny_coord, ny_coord_b, uz_coord, uz_coord_b )
775
776
777	CALL get_child_gridspacing( m, dx_child, dy_child, dz_child )
778
779	DO i = nxl, nxr
780	DO j = nys, nyn
781	DO k = nzb, nzt
782	number_of_particles = prt_count(k,j,i)
783
784	IF ( number_of_particles == 0 ) CYCLE
785
786	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
787
788	DO n = 1, number_of_particles
789	x = particles(n)%x
790	y = particles(n)%y
791	z = particles(n)%z
792
793	to_delete = ( (x > lx_coord .AND. x < rx_coord) .AND. &
794	(y > sy_coord .AND. y < ny_coord) .AND. &
795	(z > 0.000000001 .AND. z < uz_coord) )
796
797	IF ( to_delete ) THEN
798	particles(n)%particle_mask = .FALSE.
799	ENDIF
800	ENDDO
801	ENDDO
802	ENDDO
803	ENDDO
804
805	ENDDO
806
807	#endif
808	END SUBROUTINE pmcp_p_delete_particles_in_fine_grid_area
809
810
811	!--------------------------------------------------------------------------------------------------!
812	! Description:
813	! ------------
814	!> General routine:
815	!> Print the total number of of the current model and its child models into a file
816	!--------------------------------------------------------------------------------------------------!
817	SUBROUTINE pmcp_g_print_number_of_particles( my_time, local_nr_particles )
818
819	USE pegrid, &
820	ONLY: myid
821
822	IMPLICIT NONE
823
824	CHARACTER(LEN=16) :: fname !< filename
825
826	INTEGER(iwp) :: child_id !<
827	INTEGER(iwp) :: child_nr_particles !< total number of particles in all child models
828	INTEGER(iwp) :: ierr !< error code
829	INTEGER(iwp) :: m !< loop index (number of childs
830
831	INTEGER(iwp),INTENT(IN) :: local_nr_particles !<
832
833	INTEGER(iwp),DIMENSION(2) :: ivalr !< integer value to be received
834	INTEGER(iwp),DIMENSION(2) :: ivals !< integer value to be send
835
836	LOGICAL, SAVE :: is_file_open=.FALSE. !<
837
838	REAL(wp),INTENT(IN) :: my_time !<
839
840
841	#if defined( __parallel )
842	child_nr_particles = 0
843	IF ( myid == 0 ) THEN
844	IF ( cpl_id > 1 ) THEN
845	ivals(1) = local_nr_particles
846	CALL pmc_send_to_parent( ivals, 1, 0, 400, ierr )
847	ENDIF
848	DO m = 1, SIZE( pmc_parent_for_child ) - 1
849
850	child_id = pmc_parent_for_child(m)
851	CALL pmc_recv_from_child( child_id, ivalr, 1, 0, 400, ierr )
852	child_nr_particles = child_nr_particles + ivalr(1)
853	ENDDO
854
855	IF ( SIZE( pmc_parent_for_child ) > 1 ) THEN
856	IF ( .NOT. is_file_open ) THEN !kk muss noch auf file_open umgestellt werden
857	WRITE( fname, '(a,i2.2)' ) 'nr_particles_', cpl_id
858	OPEN ( 333, FILE = fname )
859	is_file_open = .true.
860	ENDIF
861	WRITE( 333, '(f12.2,3i10)' ) my_time, local_nr_particles + child_nr_particles, &
862	local_nr_particles, child_nr_particles
863	ENDIF
864	ENDIF
865
866	#endif
867	END SUBROUTINE pmcp_g_print_number_of_particles
868
869
870	!--------------------------------------------------------------------------------------------------!
871	!--------------------------------------------------------------------------------------------------!
872	! Private subroutines
873	!--------------------------------------------------------------------------------------------------!
874	!--------------------------------------------------------------------------------------------------!
875
876	!--------------------------------------------------------------------------------------------------!
877	! Description:
878	! ------------
879	!> Child routine
880	!> Update the size of the local buffer (coarse_particles)
881	!--------------------------------------------------------------------------------------------------!
882	SUBROUTINE check_and_alloc_coarse_particle( ic, jc, nr, with_copy )
883
884	IMPLICIT NONE
885
886	INTEGER(iwp),INTENT(IN) :: ic !< coarse x grid index
887	INTEGER(iwp),INTENT(IN) :: jc !< coarse y grid index
888	INTEGER(iwp),INTENT(IN) :: nr !< number of particles to be transferred/stored in local buffer
889
890	INTEGER(iwp) :: new_size !< new size of the local buffer
891	INTEGER(iwp) :: old_size !< old size of the local buffer
892
893	LOGICAL :: with_copy_lo !< local variable of with copy
894
895	LOGICAL,INTENT(IN),OPTIONAL :: with_copy !< copy particles in buffer? or reallocate empty buffer
896
897	TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: tmp_particles_d !<
898
899	#if defined( __parallel )
900	with_copy_lo = .FALSE.
901	IF ( PRESENT( with_copy ) ) with_copy_lo = with_copy
902
903	IF ( .NOT. ALLOCATED( coarse_particles(jc,ic)%parent_particles ) ) THEN
904	new_size = MAX( nr, min_particles_per_column )
905	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
906	ELSEIF ( nr > SIZE( coarse_particles(jc,ic)%parent_particles ) ) THEN
907
908	old_size = SIZE( coarse_particles(jc,ic)%parent_particles )
909	new_size = old_size * ( 1.0_wp + alloc_factor / 100.0_wp )
910	new_size = MAX( nr, new_size, old_size + min_particles_per_column )
911
912	!
913	!-- Copy existing particles to new particle buffer
914	IF ( with_copy_lo ) THEN
915	ALLOCATE( tmp_particles_d(old_size) )
916	tmp_particles_d(1:old_size) = coarse_particles(jc,ic)%parent_particles
917
918	DEALLOCATE( coarse_particles(jc,ic)%parent_particles )
919	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
920
921	coarse_particles(jc,ic)%parent_particles(1:old_size) = tmp_particles_d(1:old_size)
922	coarse_particles(jc,ic)%parent_particles(old_size+1:new_size) = zero_particle
923
924	DEALLOCATE( tmp_particles_d )
925	!
926	!-- allocate or reallocate an empty buffer
927	ELSE
928	DEALLOCATE( coarse_particles(jc,ic)%parent_particles )
929	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
930	ENDIF
931	ENDIF
932
933	#endif
934	END SUBROUTINE check_and_alloc_coarse_particle
935
936
937	!--------------------------------------------------------------------------------------------------!
938	! Description:
939	! ------------
940	!> Child routine:
941	!> Copy/sort particles out of the local buffer into the respective grid boxes
942	!--------------------------------------------------------------------------------------------------!
943	SUBROUTINE c_copy_particle_to_child_grid
944
945	IMPLICIT NONE
946
947	INTEGER(iwp) :: ic !< coarse x grid index
948	INTEGER(iwp) :: ipl !< left boundary in coarse(parent) index space
949	INTEGER(iwp) :: ipr !< right boundary in coarse(parent) index space
950	INTEGER(iwp) :: ip !< x grid index
951	INTEGER(iwp) :: jc !< coarse y grid index
952	INTEGER(iwp) :: jpn !< north boundary in coarse(parent) index space
953	INTEGER(iwp) :: jps !< south boundary in coarse(parent) index space
954	INTEGER(iwp) :: jp !< y grid index
955	INTEGER(iwp) :: kp !< z grid index
956	INTEGER(iwp) :: n !< loop index (number of particles)
957	INTEGER(iwp) :: nr !< short variable for name number or particles
958
959	REAL(wp) :: xc !< child x coordinate
960	REAL(wp) :: xoc !< child x origin
961	REAL(wp) :: yc !< child y coordinate
962	REAL(wp) :: yoc !< child y origin
963	REAL(wp) :: zc !< child z coordinate
964
965	#if defined( __parallel )
966	!
967	!-- Child domain boundaries in the parent index space
968	ipl = parent_bound(1)
969	ipr = parent_bound(2)
970	jps = parent_bound(3)
971	jpn = parent_bound(4)
972
973	DO ic = ipl, ipr
974	DO jc = jps, jpn
975	nr = coarse_particles(jc,ic)%nr_particle
976
977	IF ( nr > 0 ) THEN
978	DO n = 1, nr
979	xc = coarse_particles(jc,ic)%parent_particles(n)%x-lower_left_coord_x
980	yc = coarse_particles(jc,ic)%parent_particles(n)%y-lower_left_coord_y
981	zc = coarse_particles(jc,ic)%parent_particles(n)%z
982	xoc = coarse_particles(jc,ic)%parent_particles(n)%origin_x-lower_left_coord_x
983	yoc = coarse_particles(jc,ic)%parent_particles(n)%origin_y-lower_left_coord_y
984	ip = xc / dx
985	jp = yc / dy
986	kp = nzt
987	DO WHILE ( zw(kp-1) > zc .AND. kp > nzb + 1 ) ! kk search loop has to be optimzed !!!
988	kp = kp - 1
989	ENDDO
990
991	IF ( ip >= nxl .AND. ip <= nxr .AND. jp >= nys .AND. jp <= nyn ) THEN
992	prt_count(kp,jp,ip) = prt_count(kp,jp,ip) + 1
993	IF ( prt_count(kp,jp,ip) > SIZE( grid_particles(kp,jp,ip)%particles ) ) THEN
994	CALL pmc_realloc_particles_array( ip, jp, kp )
995	ENDIF
996	coarse_particles(jc,ic)%parent_particles(n)%x = xc ! Adjust coordinates to child grid
997	coarse_particles(jc,ic)%parent_particles(n)%y = yc
998	coarse_particles(jc,ic)%parent_particles(n)%origin_x = xoc ! Adjust origins to child grid
999	coarse_particles(jc,ic)%parent_particles(n)%origin_y = yoc
1000	grid_particles(kp,jp,ip)%particles(prt_count(kp,jp,ip)) &
1001	= coarse_particles(jc,ic)%parent_particles(n)
1002	ENDIF
1003	ENDDO
1004	ENDIF
1005	ENDDO
1006	ENDDO
1007
1008	#endif
1009	END SUBROUTINE c_copy_particle_to_child_grid
1010
1011
1012	!--------------------------------------------------------------------------------------------------!
1013	! Description:
1014	! ------------
1015	!> Child routine:
1016	!> Copy particles which left the model area into the local buffer
1017	!--------------------------------------------------------------------------------------------------!
1018	SUBROUTINE c_copy_particle_to_coarse_grid
1019
1020	IMPLICIT NONE
1021
1022	INTEGER(iwp) :: i !< loop index (x grid)
1023	INTEGER(iwp) :: ic !< loop index (coarse x grid)
1024	INTEGER(iwp) :: ipl !< left boundary in coarse(parent) index space
1025	INTEGER(iwp) :: ipr !< left boundary in coarse(parent) index space
1026	INTEGER(iwp) :: ierr !< error code
1027	INTEGER(iwp) :: j !< loop index (y grid)
1028	INTEGER(iwp) :: jc !< loop index (coarse y grid)
1029	INTEGER(iwp) :: jps !< south boundary in coarse(parent) index space
1030	INTEGER(iwp) :: jpn !< north boundary in coarse(parent) index space
1031	INTEGER(iwp) :: k !< loop index (z grid)
1032	INTEGER(iwp) :: n !< loop index (number of particles)
1033
1034	LOGICAL :: boundary_particle !<
1035
1036	REAL(wp) :: x !< x coordinate
1037	REAL(wp) :: xo !< x origin
1038	REAL(wp) :: x_left !< absolute left boundary
1039	REAL(wp) :: x_right !< absolute right boundary
1040	REAL(wp) :: y !< left boundary in coarse(parent) index space
1041	REAL(wp) :: yo !< y origin
1042	REAL(wp) :: y_north !< absolute north boundary
1043	REAL(wp) :: y_south !< absoulte south boundary
1044	REAL(wp) :: z !< z coordinate
1045
1046	#if defined( __parallel )
1047	!
1048	!-- Child domain boundaries in the parent index space
1049
1050	ipl = parent_bound(1)
1051	ipr = parent_bound(2)
1052	jps = parent_bound(3)
1053	jpn = parent_bound(4)
1054
1055	!
1056	!-- Absolute coordinates
1057	x_left = coord_x(0)
1058	x_right = coord_x(nx) + dx
1059	y_south = coord_y(0)
1060	y_north = coord_y(ny) + dy
1061	!
1062	!-- Clear Particle Buffer
1063	DO ic = ipl, ipr
1064	DO jc = jps, jpn
1065	coarse_particles(jc,ic)%nr_particle = 0
1066	ENDDO
1067	ENDDO
1068
1069	!
1070	!-- Determine particles which leave the inner area in east or west dirextion.
1071	!-- Compute only first (nxl) and last (nxr) loop iterration.
1072	DO i = nxl, nxr
1073	DO j = nys, nyn
1074	DO k = nzb + 1, nzt
1075	number_of_particles = prt_count(k,j,i)
1076	IF ( number_of_particles <= 0 ) CYCLE
1077	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
1078	DO n = 1, number_of_particles
1079	IF ( particles(n)%particle_mask ) THEN
1080	x = particles(n)%x+ lower_left_coord_x
1081	y = particles(n)%y+ lower_left_coord_y
1082	xo = particles(n)%origin_x + lower_left_coord_x
1083	yo = particles(n)%origin_y + lower_left_coord_y
1084	z = particles(n)%z
1085
1086	boundary_particle = .FALSE.
1087	boundary_particle = boundary_particle .OR. ( x < x_left .OR. x > x_right )
1088	boundary_particle = boundary_particle .OR. ( y < y_south .OR. y > y_north )
1089	boundary_particle = boundary_particle .OR. ( z > zw(nzt) )
1090
1091	IF ( boundary_particle ) THEN
1092	ic = x / pg%dx !TODO anpassen auf Mehrfachnesting
1093	jc = y / pg%dy
1094
1095	IF ( ic >= ipl .AND. ic <= ipr .AND. jc >= jps .AND. jc <= jpn ) THEN
1096	coarse_particles(jc,ic)%nr_particle = coarse_particles(jc,ic)%nr_particle &
1097	+ 1
1098	CALL check_and_alloc_coarse_particle( ic, jc, &
1099	coarse_particles(jc,ic)%nr_particle,&
1100	with_copy = .TRUE. )
1101
1102	coarse_particles(jc,ic)%parent_particles( &
1103	coarse_particles(jc,ic)%nr_particle) = particles(n)
1104	coarse_particles(jc,ic)%parent_particles( &
1105	coarse_particles(jc,ic)%nr_particle)%x = x !Adapt to global coordinates
1106	coarse_particles(jc,ic)%parent_particles( &
1107	coarse_particles(jc,ic)%nr_particle)%y = y
1108	coarse_particles(jc,ic)%parent_particles( &
1109	coarse_particles(jc,ic)%nr_particle)%origin_x = xo
1110	coarse_particles(jc,ic)%parent_particles( &
1111	coarse_particles(jc,ic)%nr_particle)%origin_y = yo
1112	!
1113	!-- Mark particle as deleted after copying it to the transfer buffer
1114	grid_particles(k,j,i)%particles(n)%particle_mask = .FALSE.
1115	ELSE
1116	WRITE( 9, '(a,10i6)' ) 'This should not happen ', i, j, k, ic, jc, ipl, &
1117	ipr, jps, jpn
1118	CALL MPI_Abort( MPI_COMM_WORLD, 9999, ierr )
1119	ENDIF
1120	ENDIF
1121	ENDIF
1122	ENDDO
1123	ENDDO
1124	ENDDO
1125	ENDDO
1126
1127	!
1128	!-- Pack particles (eliminate those marked for deletion), determine new number of particles
1129	! CALL lpm_sort_in_subboxes
1130
1131	#endif
1132	END SUBROUTINE c_copy_particle_to_coarse_grid
1133
1134
1135	!--------------------------------------------------------------------------------------------------!
1136	! Description:
1137	! ------------
1138	!> Parent routine:
1139	!> Copy/sort particles from the MPI window into the respective grid boxes
1140	!--------------------------------------------------------------------------------------------------!
1141	SUBROUTINE p_copy_particle_to_org_grid( m )
1142
1143	IMPLICIT NONE
1144
1145	INTEGER(iwp) :: i !< loop index (x grid)
1146	INTEGER(iwp) :: j !< loop index (y grid)
1147	INTEGER(iwp) :: k !< loop index (z grid)
1148	INTEGER(iwp) :: n !< loop index (nr part)
1149	INTEGER(iwp) :: nr !< short variable name for nr_part
1150	INTEGER(iwp) :: pindex !< short variable name part_adr
1151
1152	INTEGER(iwp),INTENT(IN) :: m !<
1153
1154	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
1155
1156	REAL(wp) :: x !< x coordinate
1157	REAL(wp) :: xo !< x origin
1158	REAL(wp) :: y !< y coordinate
1159	REAL(wp) :: yo !< y origin
1160	REAL(wp) :: z !< z coordinate
1161
1162
1163	#if defined( __parallel )
1164	buf_shape(1) = max_nr_particle_in_rma_win
1165	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
1166
1167	DO i = nxl, nxr
1168	DO j = nys, nyn
1169	nr = nr_part(j,i)
1170	IF ( nr > 0 ) THEN
1171	pindex = part_adr(j,i)
1172	DO n = 1, nr
1173	x = particle_in_win(pindex)%x-lower_left_coord_x
1174	y = particle_in_win(pindex)%y-lower_left_coord_y
1175	z = particle_in_win(pindex)%z
1176	xo = particle_in_win(pindex)%origin_x-lower_left_coord_x
1177	yo = particle_in_win(pindex)%origin_y-lower_left_coord_y
1178	k = nzt + 1
1179	DO WHILE ( zw(k-1) > z .AND. k > nzb + 1 ) ! kk search loop has to be optimzed !!!
1180	k = k - 1
1181	END DO
1182
1183	prt_count(k,j,i) = prt_count(k,j,i) + 1
1184	IF ( prt_count(k,j,i) > SIZE( grid_particles(k,j,i)%particles ) ) THEN
1185	CALL pmc_realloc_particles_array( i, j, k )
1186	ENDIF
1187	grid_particles(k,j,i)%particles(prt_count(k,j,i)) = particle_in_win(pindex)
1188
1189	!
1190	!-- Update particle positions and origins relative to parent domain
1191	grid_particles(k,j,i)%particles(prt_count(k,j,i))%x = x
1192	grid_particles(k,j,i)%particles(prt_count(k,j,i))%y = y
1193	grid_particles(k,j,i)%particles(prt_count(k,j,i))%origin_x = xo
1194	grid_particles(k,j,i)%particles(prt_count(k,j,i))%origin_y = yo
1195	pindex = pindex + 1
1196	ENDDO
1197	ENDIF
1198	ENDDO
1199	ENDDO
1200
1201	#endif
1202	END SUBROUTINE p_copy_particle_to_org_grid
1203
1204	!--------------------------------------------------------------------------------------------------!
1205	! Description:
1206	! ------------
1207	!> If the allocated memory for the particle array do not suffice to add arriving particles from
1208	!> neighbour grid cells, this subrouting reallocates the particle array to assure enough memory is
1209	!> available.
1210	!--------------------------------------------------------------------------------------------------!
1211	SUBROUTINE pmc_realloc_particles_array( i, j, k, size_in )
1212
1213
1214	INTEGER(iwp) :: new_size !<
1215	INTEGER(iwp) :: old_size !<
1216
1217	INTEGER(iwp), INTENT(IN) :: i !<
1218	INTEGER(iwp), INTENT(IN) :: j !<
1219	INTEGER(iwp), INTENT(IN) :: k !<
1220
1221	INTEGER(iwp), INTENT(IN), OPTIONAL :: size_in !<
1222
1223
1224	TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: tmp_particles_d !<
1225
1226	TYPE(particle_type), DIMENSION(500) :: tmp_particles_s !<
1227
1228	old_size = SIZE( grid_particles(k,j,i)%particles )
1229
1230	IF ( PRESENT( size_in ) ) THEN
1231	new_size = size_in
1232	ELSE
1233	new_size = old_size * ( 1.0_wp + alloc_factor / 100.0_wp )
1234	ENDIF
1235
1236	new_size = MAX( new_size, 1, old_size + 1 )
1237
1238	IF ( old_size <= 500 ) THEN
1239
1240	tmp_particles_s(1:old_size) = grid_particles(k,j,i)%particles(1:old_size)
1241
1242	DEALLOCATE( grid_particles(k,j,i)%particles )
1243	ALLOCATE( grid_particles(k,j,i)%particles(new_size) )
1244
1245	grid_particles(k,j,i)%particles(1:old_size) = tmp_particles_s(1:old_size)
1246	grid_particles(k,j,i)%particles(old_size+1:new_size) = zero_particle
1247
1248	ELSE
1249
1250	ALLOCATE( tmp_particles_d(new_size) )
1251	tmp_particles_d(1:old_size) = grid_particles(k,j,i)%particles
1252
1253	DEALLOCATE( grid_particles(k,j,i)%particles )
1254	ALLOCATE( grid_particles(k,j,i)%particles(new_size) )
1255
1256	grid_particles(k,j,i)%particles(1:old_size) = tmp_particles_d(1:old_size)
1257	grid_particles(k,j,i)%particles(old_size+1:new_size) = zero_particle
1258
1259	DEALLOCATE( tmp_particles_d )
1260
1261	ENDIF
1262	particles => grid_particles(k,j,i)%particles(1:new_size)
1263
1264	RETURN
1265
1266	END SUBROUTINE pmc_realloc_particles_array
1267
1268	#endif
1269	END MODULE pmc_particle_interface

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source: palm/trunk/SOURCE/pmc_particle_interface.f90 @ 4883

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