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source: palm/trunk/SOURCE/pmc_particle_interface.f90 @ 3770

Last change on this file since 3770 was 3655, checked in by knoop, 6 years ago
Bugfix: made "unit" and "found" intend INOUT in module interface subroutines + automatic copyright update
Property svn:keywords set to `Id`
File size: 44.0 KB

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1	MODULE pmc_particle_interface
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
7	! terms of the GNU General Public License as published by the Free Software
8	! Foundation, either version 3 of the License, or (at your option) any later
9	! version.
10	!
11	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
12	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
13	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14	!
15	! You should have received a copy of the GNU General Public License along with
16	! PALM. If not, see <http://www.gnu.org/licenses/>.
17	!
18	! Copyright 1997-2019 Leibniz Universitaet Hannover
19	!------------------------------------------------------------------------------!
20	!
21	! Current revisions:
22	! ------------------
23	!
24	!
25	! Former revisions:
26	! -----------------!
27	! $Id: pmc_particle_interface.f90 3655 2019-01-07 16:51:22Z moh.hefny $
28	! unused variables removed
29	!
30	! 3123 2018-07-12 16:21:53Z suehring
31	! Correct working precision for REAL numbers
32	!
33	! 3049 2018-05-29 13:52:36Z Giersch
34	! Error messages revised
35	!
36	! 2967 2018-04-13 11:22:08Z Giersch
37	! bugfix: missing parallel cpp-directives added
38	!
39	! 2884 2018-03-14 08:33:20Z scharf
40	! B: corrected KIND of variable "parsize" for some MPI calls
41	!
42	! 2841 2018-02-27 15:02:57Z knoop
43	! Bugfix: wrong placement of include 'mpif.h' corrected
44	!
45	! 2809 2018-02-15 09:55:58Z schwenkel
46	! Bugfix for gfortran: Replace the function C_SIZEOF with STORAGE_SIZE.
47	!
48	!
49	! Initial Version (by Klaus Ketelsen)
50	!
51	!
52	! Description:
53	! ------------
54	! Introduce particle transfer in nested models.
55	! Interface to palm lpm model to handel particle transfer between parent and
56	! child model.
57	!------------------------------------------------------------------------------!
58
59	USE, INTRINSIC :: ISO_C_BINDING
60
61	#if defined( __parallel ) && !defined( __mpifh )
62	USE MPI
63	#endif
64
65	USE kinds
66
67	USE pegrid, &
68	ONLY: myidx,myidy
69
70	USE indices, &
71	ONLY: nx, ny, nxl, nxr, nys, nyn, nzb, nzt, nxlg, nxrg, nysg, nyng, nbgp
72
73	USE grid_variables, &
74	ONLY: dx, dy
75
76	USE arrays_3d, &
77	ONLY: zw
78
79	USE control_parameters, &
80	ONLY: message_string
81
82	USE particle_attributes, &
83	ONLY: prt_count, particles, grid_particles, &
84	particle_type, number_of_particles, zero_particle, &
85	ibc_par_t, ibc_par_lr, ibc_par_ns, alloc_factor
86
87	USE lpm_pack_and_sort_mod
88
89	USE lpm_exchange_horiz_mod, &
90	ONLY: realloc_particles_array
91
92	#if defined( __parallel )
93	USE pmc_general, &
94	ONLY: pedef
95
96	USE pmc_parent, &
97	ONLY: children, pmc_s_fillbuffer, pmc_s_getdata_from_buffer, &
98	pmc_s_get_child_npes
99
100	USE pmc_child, &
101	ONLY: me, pmc_c_getbuffer, pmc_c_putbuffer
102
103	USE pmc_interface, &
104	ONLY: cpl_id, get_number_of_childs, nr_part, part_adr, nested_run, &
105	get_childid, get_child_edges, nr_partc, part_adrc, &
106	coarse_bound, coord_x, coord_y, cg, get_child_gridspacing, &
107	lower_left_coord_x, lower_left_coord_y
108
109	USE pmc_handle_communicator, &
110	ONLY: pmc_parent_for_child
111
112	USE pmc_mpi_wrapper, &
113	ONLY: pmc_send_to_parent, pmc_recv_from_child
114
115	#endif
116
117	IMPLICIT NONE
118
119	#if defined( __parallel ) && defined( __mpifh )
120	INCLUDE "mpif.h"
121	#endif
122
123	PRIVATE
124	SAVE
125
126	TYPE coarse_particle_def
127	INTEGER(iwp) :: nr_particle
128
129	TYPE(particle_type),ALLOCATABLE,DIMENSION(:) :: parent_particles
130	END TYPE coarse_particle_def
131
132	INTEGER(iwp),PARAMETER :: Min_particles_per_column = 100 !<
133	INTEGER(iwp),PARAMETER :: max_nr_particle_in_rma_win = 100000 !<
134
135	INTEGER(iwp) :: nr_fine_in_coarse !< Number of fine grid cells in coarse grid (one direction)
136	INTEGER(iwp) :: particle_win_child !<
137
138	INTEGER(iwp),ALLOCATABLE,DIMENSION(:) :: particle_win_parent !<
139
140	TYPE(C_PTR), ALLOCATABLE,DIMENSION(:) :: buf_ptr !<
141
142	TYPE(particle_type), DIMENSION(:),POINTER :: particle_in_win !<
143
144	TYPE(coarse_particle_def),ALLOCATABLE,DIMENSION(:,:) :: coarse_particles !<
145
146
147
148	INTERFACE pmcp_g_init
149	MODULE PROCEDURE pmcp_g_init
150	END INTERFACE pmcp_g_init
151
152	INTERFACE pmcp_g_alloc_win
153	MODULE PROCEDURE pmcp_g_alloc_win
154	END INTERFACE pmcp_g_alloc_win
155
156	INTERFACE pmcp_c_get_particle_from_parent
157	MODULE PROCEDURE pmcp_c_get_particle_from_parent
158	END INTERFACE pmcp_c_get_particle_from_parent
159
160	INTERFACE pmcp_c_send_particle_to_parent
161	MODULE PROCEDURE pmcp_c_send_particle_to_parent
162	END INTERFACE pmcp_c_send_particle_to_parent
163
164	INTERFACE pmcp_p_fill_particle_win
165	MODULE PROCEDURE pmcp_p_fill_particle_win
166	END INTERFACE pmcp_p_fill_particle_win
167
168	INTERFACE pmcp_p_empty_particle_win
169	MODULE PROCEDURE pmcp_p_empty_particle_win
170	END INTERFACE pmcp_p_empty_particle_win
171
172	INTERFACE pmcp_g_print_number_of_particles
173	MODULE PROCEDURE pmcp_g_print_number_of_particles
174	END INTERFACE pmcp_g_print_number_of_particles
175
176	INTERFACE pmcp_p_delete_particles_in_fine_grid_area
177	MODULE PROCEDURE pmcp_p_delete_particles_in_fine_grid_area
178	END INTERFACE pmcp_p_delete_particles_in_fine_grid_area
179
180	PUBLIC pmcp_g_init, pmcp_g_alloc_win, pmcp_c_get_particle_from_parent
181	PUBLIC pmcp_c_send_particle_to_parent, pmcp_p_fill_particle_win, pmcp_g_print_number_of_particles
182	PUBLIC pmcp_p_empty_particle_win, pmcp_p_delete_particles_in_fine_grid_area
183
184	CONTAINS
185
186	!------------------------------------------------------------------------------!
187	! Description:
188	! ------------
189	!> general routine:
190	!> Initializing actions of the particle interface
191	!> check particle boundary conditions for the child models
192	!------------------------------------------------------------------------------!
193	SUBROUTINE pmcp_g_init
194
195	IMPLICIT NONE
196
197	INTEGER(iwp) :: nr_childs !< Number of child models of the current model
198
199	#if defined( __parallel )
200
201	nr_childs = get_number_of_childs()
202	!
203	!-- Check if the current model has child models
204	IF ( nr_childs > 0 ) THEN
205	ALLOCATE( nr_part(nysg:nyng, nxlg:nxrg) )
206	ALLOCATE( part_adr(nysg:nyng, nxlg:nxrg) )
207	nr_part = 0
208	part_adr = 0
209	ENDIF
210
211	!
212	!-- Set the boundary conditions to nested for all non root (i.e child) models
213	IF ( cpl_id > 1 ) THEN
214
215	IF ( ibc_par_t /= 3 ) THEN
216	ibc_par_t = 3
217	message_string = 'In Child model: ibc_par_t is automatically set to nested '
218	CALL message( 'pmcp_g_init ', 'PA0477', 0, 1, 0, 6, 0 )
219	ENDIF
220
221	IF ( ibc_par_lr /= 3 ) THEN
222	ibc_par_lr = 3
223	message_string = 'In Child model: ibc_par_lr is automatically set to nested '
224	CALL message( 'pmcp_g_init ', 'PA0478', 0, 1, 0, 6, 0 )
225	ENDIF
226
227	IF ( ibc_par_ns /= 3 ) THEN
228	ibc_par_ns = 3
229	message_string = 'In Child model: ibc_par_ns is automatically set to nested '
230	CALL message( 'pmcp_g_init ', 'PA0479', 0, 1, 0, 6, 0 )
231	ENDIF
232
233	ENDIF
234
235	#endif
236	END SUBROUTINE pmcp_g_init
237	!------------------------------------------------------------------------------!
238	! Description:
239	! ------------
240	!> general routine:
241	!> allocate the MPI windows
242	!------------------------------------------------------------------------------!
243	SUBROUTINE pmcp_g_alloc_win
244
245	IMPLICIT NONE
246
247	INTEGER(iwp) :: m !< loop index
248	INTEGER(iwp) :: ierr !< error code
249	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
250	INTEGER(iwp) :: icr !< right boundary in coarse(parent) index space
251	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
252	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
253	INTEGER(iwp) :: child_id !< Id of a child model
254	INTEGER(iwp) :: nr_childs !< Number of child models of the current model
255
256	INTEGER :: parsize !<
257	TYPE(C_PTR), SAVE :: ptr !<
258
259	TYPE(particle_type),DIMENSION(:),POINTER :: win_buffer !<
260
261	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
262
263	#if defined( __parallel )
264	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
265	INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !<
266
267	!
268	!-- If the model has a parent model prepare the structures for transfer
269	IF ( cpl_id > 1 ) THEN
270
271	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
272
273	CALL MPI_ALLOC_MEM( parsize_mpi_address_kind , MPI_INFO_NULL, ptr, ierr )
274	parsize = parsize_mpi_address_kind
275	buf_shape(1) = 1
276	CALL C_F_POINTER( ptr, win_buffer, buf_shape )
277	CALL MPI_WIN_CREATE( win_buffer, parsize_mpi_address_kind, parsize, &
278	MPI_INFO_NULL, me%intra_comm, particle_win_child, &
279	ierr )
280
281	!
282	!-- Child domain boundaries in the parent index space
283	icl = coarse_bound(1)
284	icr = coarse_bound(2)
285	jcs = coarse_bound(3)
286	jcn = coarse_bound(4)
287
288	ALLOCATE( coarse_particles(jcs:jcn, icl:icr) )
289
290	coarse_particles(:,:)%nr_particle = 0
291	ENDIF
292
293	!
294	!-- If the model has child models prepare the structures for transfer
295	nr_childs = get_number_of_childs()
296	IF ( nr_childs > 0 ) THEN
297	ALLOCATE( particle_win_parent(nr_childs) )
298	ALLOCATE( buf_ptr(nr_childs) )
299	DO m = 1, nr_childs
300	child_id = get_childid(m)
301	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
302	parsize = parsize_mpi_address_kind
303
304	winsize = max_nr_particle_in_rma_win * parsize_mpi_address_kind
305	CALL MPI_ALLOC_MEM( winsize , MPI_INFO_NULL, buf_ptr(m), ierr )
306	buf_shape(1) = max_nr_particle_in_rma_win
307	CALL C_F_POINTER( buf_ptr(m), win_buffer, buf_shape )
308	CALL MPI_WIN_CREATE( win_buffer, winsize, parsize, MPI_INFO_NULL, &
309	children(child_id)%intra_comm, &
310	particle_win_parent(m), ierr )
311	ENDDO
312	ENDIF
313
314	#endif
315	END SUBROUTINE pmcp_g_alloc_win
316
317
318	!------------------------------------------------------------------------------!
319	! Description:
320	! ------------
321	!> child routine:
322	!> Read/get particles out of the parent MPI window
323	!------------------------------------------------------------------------------!
324	SUBROUTINE pmcp_c_get_particle_from_parent
325
326	IMPLICIT NONE
327
328	INTEGER(iwp) :: i !< x grid index
329	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
330	INTEGER(iwp) :: ierr !< error code
331	INTEGER(iwp) :: ij !< combined xy index for the buffer array
332	INTEGER(iwp) :: ip !< loop index (child PEs)
333	INTEGER(iwp) :: j !< y grid index
334	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
335	INTEGER(iwp) :: nr !< number of particles to receive from a parent box
336
337	INTEGER :: parsize !<
338
339	#if defined( __parallel )
340	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
341
342	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
343	INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !<
344
345	IF ( cpl_id > 1 ) THEN
346
347	CALL pmc_c_getbuffer( particle_transfer = .TRUE. ) !Get number of particle/column and offset in RMA window xx
348
349	!
350	!-- Wait for buffer to fill.
351	!
352	!-- The parent side (in pmc_s_fillbuffer) is filling the buffer in the MPI RMA window
353	!-- When the filling is complete, a MPI_BARRIER is called.
354	!-- The child is not allowd to access the parent-buffer before it is completely filled
355	!-- Synchronization is done implicitely in pmc_c_getbuffer and pmc_s_fillbuffer on the parent side
356
357	icl = coarse_bound(1)
358	jcs = coarse_bound(3)
359
360	DO ip = 1, me%inter_npes
361
362	ape => me%pes(ip)
363
364	DO ij = 1, ape%nrele
365	j = ape%locind(ij)%j + jcs - 1
366	i = ape%locind(ij)%i + icl - 1
367	nr = nr_partc(j,i)
368	IF ( nr > 0 ) THEN
369
370	CALL check_and_alloc_coarse_particle (i, j, nr)
371	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
372	parsize = parsize_mpi_address_kind
373	target_disp = part_adrc(j,i) - 1
374	CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , ip - 1, 0, &
375	particle_win_child, ierr )
376	CALL MPI_GET( coarse_particles(j,i)%parent_particles, &
377	nr * parsize, MPI_BYTE, ip - 1, target_disp, &
378	nr * parsize, MPI_BYTE, particle_win_child, ierr )
379	CALL MPI_WIN_UNLOCK( ip - 1, particle_win_child, ierr )
380	ENDIF
381	coarse_particles(j,i)%nr_particle = nr
382	ENDDO
383	ENDDO
384
385	CALL c_copy_particle_to_child_grid
386	ENDIF
387
388	#endif
389	END SUBROUTINE pmcp_c_get_particle_from_parent
390
391
392	!------------------------------------------------------------------------------!
393	! Description:
394	! ------------
395	!> child routine:
396	!> Write/put particles into the parent MPI window
397	!------------------------------------------------------------------------------!
398	SUBROUTINE pmcp_c_send_particle_to_parent
399
400	IMPLICIT NONE
401
402	INTEGER(iwp) :: disp_offset !<
403	INTEGER(iwp) :: i !< x loop index
404	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
405	INTEGER(iwp) :: icr !< right boundary in coarse(parent) index space
406	INTEGER(iwp) :: ierr !< error code
407	INTEGER(iwp) :: ij !< combined xy index for the buffer array
408	INTEGER(iwp) :: ip !< loop index (child PEs)
409	INTEGER(iwp) :: j !< y loop index
410	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
411	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
412	INTEGER(iwp) :: max_nr_particle_per_pe !< maximum number of particles per PE (depending on grid apect ratio)
413	INTEGER(iwp) :: n !< shorter variable name for nr_fine_in_coarse
414	INTEGER(iwp) :: nr !< shorter variabel name for nr_partc
415	INTEGER(iwp) :: pe_offset !< offset index of the current PE
416
417	INTEGER :: parsize !<
418
419	REAL(wp) :: eps=0.00001 !< used in calculations to avoid rounding errors
420	REAL(wp) :: xx !< number of fine grid cells inside a coarse grid cell in x-direction
421	REAL(wp) :: yy !< number of fine grid cells inside a coarse grid cell in y-direction
422
423	! TYPE(particle_type) :: dummy_part !< dummy particle (needed for size calculations)
424
425	#if defined( __parallel )
426	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
427
428	INTEGER(KIND=MPI_ADDRESS_KIND) :: parsize_mpi_address_kind !<
429	INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !<
430
431
432	IF ( cpl_id > 1 ) THEN
433	CALL c_copy_particle_to_coarse_grid
434
435	!
436	!-- Child domain boundaries in the parent index space
437
438	icl = coarse_bound(1)
439	icr = coarse_bound(2)
440	jcs = coarse_bound(3)
441	jcn = coarse_bound(4)
442
443	nr_partc = 0
444
445	DO i = icl, icr
446	DO j = jcs, jcn
447	nr_partc(j,i) = coarse_particles(j,i)%nr_particle
448	ENDDO
449	ENDDO
450	part_adrc = 0
451
452	!
453	!-- compute number of fine grid cells in coarse grid (one direction)
454	xx = (cg%dx + eps) / dx ! +eps to avoid rounding error
455	yy = (cg%dy + eps) / dy
456	nr_fine_in_coarse = MAX( INT(xx), INT(yy) )
457
458	IF ( MOD( coord_x(0), cg%dx ) /= 0.0 .OR. MOD( coord_y(0), cg%dy ) /= 0.0 ) THEN
459	nr_fine_in_coarse = nr_fine_in_coarse + 1
460	ENDIF
461
462	!
463	!-- Assign a number to my child PE to select different areas in the RMA window on server side
464	!-- With this number a square of child PEs is defined which share the same coarse grid cells
465
466	n = nr_fine_in_coarse ! local variable n to make folloing statements shorter
467	pe_offset = MOD( myidx, n ) * n + MOD( myidy, n)
468	max_nr_particle_per_pe = max_nr_particle_in_rma_win / ( n * n )
469	disp_offset = pe_offset * max_nr_particle_per_pe
470	parsize_mpi_address_kind = STORAGE_SIZE(zero_particle)/8
471	parsize = parsize_mpi_address_kind
472	DO ip = 1, me%inter_npes
473
474	ape => me%pes(ip)
475
476	target_disp = disp_offset
477	DO ij = 1, ape%nrele
478	j = ape%locind(ij)%j + jcs - 1
479	i = ape%locind(ij)%i + icl - 1
480	nr = nr_partc(j,i)
481	IF( nr > 0 ) THEN
482	IF ( target_disp + nr - disp_offset >= max_nr_particle_per_pe ) THEN
483	WRITE(9,*) 'RMA window too small on child ', &
484	target_disp + nr - disp_offset, &
485	max_nr_particle_per_pe, max_nr_particle_in_rma_win
486	message_string = 'RMA window too small on child'
487	CALL message( 'pmci_create_child_arrays', 'PA0480', 3, 2, 0, 6, 0 )
488	ENDIF
489	CALL MPI_WIN_LOCK( MPI_LOCK_SHARED , ip - 1, 0, &
490	particle_win_child, ierr )
491	CALL MPI_PUT( coarse_particles(j,i)%parent_particles, &
492	nr * parsize, MPI_BYTE, ip - 1, target_disp, &
493	nr * parsize, MPI_BYTE, particle_win_child, ierr )
494	CALL MPI_WIN_UNLOCK( ip - 1, particle_win_child, ierr )
495	part_adrc(j,i) = target_disp + 1
496	target_disp = target_disp + nr
497	ENDIF
498	ENDDO
499	ENDDO
500
501	CALL pmc_c_putbuffer ( particle_transfer = .TRUE. ) !Send new number of particle/column and offset to parent
502
503	ENDIF
504
505	#endif
506	END SUBROUTINE pmcp_c_send_particle_to_parent
507
508
509	!------------------------------------------------------------------------------!
510	! Description:
511	! ------------
512	!> parent routine:
513	!> write particles into the MPI window
514	!------------------------------------------------------------------------------!
515	SUBROUTINE pmcp_p_fill_particle_win
516
517	IMPLICIT NONE
518
519	LOGICAL :: active_particle !< Particles located in the fine/child grid area are marked as active (to be transferred)
520	LOGICAL,SAVE :: lfirst = .TRUE. !<
521
522	INTEGER(iwp) :: child_id !< id of the child model
523	INTEGER(iwp) :: i !< x grid box index
524	INTEGER(iwp) :: ij !< combined xy index for the buffer array
525	INTEGER(iwp) :: ip !< loop index (child PEs)
526	INTEGER(iwp) :: j !< y grid box index
527	INTEGER(iwp) :: k !< z grid box index
528	INTEGER(iwp) :: m !< loop index (number of childs)
529	INTEGER(iwp) :: n !< loop index (number of particles)
530	INTEGER(iwp) :: nr_part_col !< Number of particles to transfer per column
531	INTEGER(iwp) :: number_of_particles !<
532	INTEGER(iwp) :: pindex !<
533	INTEGER(iwp) :: tot_particle_count !< Total number of particles per child
534
535	REAL(wp) :: dx_child !< child grid spacing
536	REAL(wp) :: dy_child !< child grid spacing
537	REAL(wp) :: dz_child !< child grid spacing
538	REAL(wp) :: ny_coord !< north coordinate of child grid
539	REAL(wp) :: ny_coord_b !< north coordinate of child grid boundary
540	REAL(wp) :: lx_coord !< left coordinate of child grid
541	REAL(wp) :: lx_coord_b !< left coordinate of child grid boundary
542	REAL(wp) :: rx_coord !< right coordinate of child grid
543	REAL(wp) :: rx_coord_b !< right coordinate of child grid boundary
544	REAL(wp) :: sy_coord !< south coordinate of child grid
545	REAL(wp) :: sy_coord_b !< south coordinate of child grid boundary
546	REAL(wp) :: uz_coord !< upper coordinate of child grid
547	REAL(wp) :: uz_coord_b !< upper coordinate of child grid boundary
548	REAL(wp) :: x !< particle position
549	REAL(wp) :: y !< particle position
550	REAL(wp) :: z !< particle position
551
552	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
553
554	#if defined( __parallel )
555	TYPE(pedef), POINTER :: ape !< TO_DO Klaus: give a description and better name of the variable
556
557	DO m = 1, get_number_of_childs()
558
559	child_id = get_childid(m)
560
561	CALL get_child_edges( m, lx_coord, lx_coord_b, rx_coord, rx_coord_b, &
562	sy_coord, sy_coord_b, ny_coord, ny_coord_b, &
563	uz_coord, uz_coord_b)
564
565	CALL get_child_gridspacing( m, dx_child, dy_child, dz_child )
566
567	IF ( lfirst ) THEN
568	WRITE(9,'(a,5f10.2)') 'edges ',lx_coord,rx_coord,sy_coord,ny_coord,uz_coord
569	WRITE(9,'(a,5f10.2)') 'edges boundary ',lx_coord_b,rx_coord_b,sy_coord_b,ny_coord_b,uz_coord_b
570	WRITE(9,'(a,5f10.2)') 'child spacing ',dx_child, dy_child, dz_child,lower_left_coord_x,lower_left_coord_y
571	ENDIF
572	!
573	!-- reset values for every child
574	tot_particle_count = 0
575	nr_part = 0
576	part_adr = 0
577	pindex = 1
578
579	buf_shape(1) = max_nr_particle_in_rma_win
580	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
581
582	DO ip = 1, children(child_id)%inter_npes
583
584	ape => children(child_id)%pes(ip)
585
586	nr_part_col = 0
587
588	DO ij = 1, ape%nrele
589
590	!
591	!-- Inside the PMC adressing of 3d arrays starts with 1
592	i = ape%locind(ij)%i + nxl - nbgp - 1
593	j = ape%locind(ij)%j + nys - nbgp - 1
594	nr_part_col = 0 ! Number of particles to transfer per column
595	part_adr(j,i) = pindex
596
597	DO k = nzb + 1, nzt
598	number_of_particles = prt_count(k,j,i)
599
600	IF ( number_of_particles <= 0 ) CYCLE
601
602	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
603
604	! Select particles within boundary area
605
606	DO n = 1, number_of_particles
607	x = particles(n)%x
608	y = particles(n)%y
609	z = particles(n)%z
610	!
611	!-- check if the particle is located in the fine grid area
612	active_particle = ((x > lx_coord .AND. x < rx_coord) .AND. &
613	(y > sy_coord .AND. y < ny_coord) .AND. &
614	(z > 0.000000001 .AND. z < uz_coord))
615	IF ( active_particle .AND. particles(n)%particle_mask ) THEN
616
617	particle_in_win(pindex) = particles(n)
618	!
619	!-- Change particle positions and origin relative to global origin
620	particle_in_win(pindex)%x = particle_in_win(pindex)%x + lower_left_coord_x
621	particle_in_win(pindex)%y = particle_in_win(pindex)%y + lower_left_coord_y
622	particle_in_win(pindex)%origin_x = particle_in_win(pindex)%origin_x + lower_left_coord_x
623	particle_in_win(pindex)%origin_y = particle_in_win(pindex)%origin_y + lower_left_coord_y
624
625	tot_particle_count = tot_particle_count + 1
626	nr_part_col = nr_part_col + 1
627	pindex = pindex + 1
628	IF ( pindex > max_nr_particle_in_rma_win ) THEN
629	WRITE(9,*) 'RMA window too small on parent ',pindex, max_nr_particle_in_rma_win
630	message_string = 'RMA window too small on parent'
631	CALL message( 'pmci_create_child_arrays', 'PA0481', 3, 2, 0, 6, 0 ) ! PA number has to be adjusted
632	ENDIF
633	END IF
634	ENDDO
635	ENDDO
636	nr_part(j,i) = nr_part_col
637	ENDDO
638	ENDDO
639
640	CALL pmc_s_fillbuffer( child_id, particle_transfer = .TRUE. )
641	ENDDO
642
643	lfirst = .FALSE.
644
645	#endif
646	END SUBROUTINE pmcp_p_fill_particle_win
647
648
649	!------------------------------------------------------------------------------!
650	! Description:
651	! ------------
652	!> parent routine:
653	!> delete particles from the MPI window
654	!------------------------------------------------------------------------------!
655	SUBROUTINE pmcp_p_empty_particle_win
656
657	IMPLICIT NONE
658
659	INTEGER(iwp) :: child_id !< model id of the child
660	INTEGER(iwp) :: ip !< loop index (child PEs)
661	INTEGER(iwp) :: m !< loop index (number of childs)
662
663	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
664
665	#if defined( __parallel )
666	DO m = 1, get_number_of_childs()
667
668	child_id = get_childid(m)
669
670	buf_shape(1) = max_nr_particle_in_rma_win
671	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
672
673	!
674	!-- In some cells of the coarse grid, there are contributions from more than
675	!-- one child process. Therefore p_copy_particle_to_org_grid is done for one
676	!-- child process per call
677	DO ip = 1, pmc_s_get_child_npes( child_id )
678
679	nr_part = 0
680	part_adr = 0
681
682	CALL pmc_s_getdata_from_buffer( child_id, particle_transfer = .TRUE.,&
683	child_process_nr = ip )
684	CALL p_copy_particle_to_org_grid( m )
685	ENDDO
686
687	ENDDO
688
689	#endif
690	END SUBROUTINE pmcp_p_empty_particle_win
691
692
693	!------------------------------------------------------------------------------!
694	! Description:
695	! ------------
696	!> parent routine:
697	!> After the transfer mark all parent particles that are still inside on of the
698	!> child areas for deletion.
699	!------------------------------------------------------------------------------!
700	SUBROUTINE pmcp_p_delete_particles_in_fine_grid_area
701
702	IMPLICIT NONE
703
704	LOGICAL :: to_delete !< particles outside of model domain are marked as to_delete
705
706	INTEGER(iwp) :: i !< loop index (x grid)
707	INTEGER(iwp) :: j !< loop index (y grid)
708	INTEGER(iwp) :: k !< loop index (z grid)
709	INTEGER(iwp) :: m !< loop index (number of particles)
710	INTEGER(iwp) :: n !< loop index (number of childs)
711
712	REAL(wp) :: dx_child !< child grid spacing
713	REAL(wp) :: dy_child !< child grid spacing
714	REAL(wp) :: dz_child !< child grid spacing
715	REAL(wp) :: ny_coord !< north coordinate of child grid
716	REAL(wp) :: ny_coord_b !< north coordinate of child grid boundary
717	REAL(wp) :: lx_coord !< left coordinate of child grid
718	REAL(wp) :: lx_coord_b !< left coordinate of child grid boundary
719	REAL(wp) :: rx_coord !< right coordinate of child grid
720	REAL(wp) :: rx_coord_b !< right coordinate of child grid boundary
721	REAL(wp) :: sy_coord !< south coordinate of child grid
722	REAL(wp) :: sy_coord_b !< south coordinate of child grid boundary
723	REAL(wp) :: uz_coord !< upper coordinate of child grid
724	REAL(wp) :: uz_coord_b !< upper coordinate of child grid boundary
725	REAL(wp) :: x !< particle position
726	REAL(wp) :: y !< particle position
727	REAL(wp) :: z !< particle position
728
729	#if defined( __parallel )
730	DO m = 1, get_number_of_childs()
731	CALL get_child_edges( m, lx_coord, lx_coord_b, rx_coord, rx_coord_b, &
732	sy_coord, sy_coord_b, ny_coord, ny_coord_b, &
733	uz_coord, uz_coord_b )
734
735
736	CALL get_child_gridspacing( m, dx_child, dy_child, dz_child )
737
738	DO i = nxl, nxr
739	DO j = nys, nyn
740	DO k = nzb, nzt
741	number_of_particles = prt_count(k,j,i)
742
743	IF ( number_of_particles == 0 ) CYCLE
744
745	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
746
747	DO n = 1, number_of_particles
748	x = particles(n)%x
749	y = particles(n)%y
750	z = particles(n)%z
751
752	to_delete = ((x > lx_coord .AND. x < rx_coord) .AND. &
753	(y > sy_coord .AND. y < ny_coord) .AND. &
754	(z > 0.000000001 .AND. z < uz_coord))
755
756	IF ( to_delete ) THEN
757	particles(n)%particle_mask = .FALSE.
758	ENDIF
759	ENDDO
760	ENDDO
761	ENDDO
762	ENDDO
763
764	ENDDO
765
766	#endif
767	END SUBROUTINE pmcp_p_delete_particles_in_fine_grid_area
768
769
770	!------------------------------------------------------------------------------!
771	! Description:
772	! ------------
773	!> general routine:
774	!> print the total number of of the current model and its child models into a file
775	!------------------------------------------------------------------------------!
776	SUBROUTINE pmcp_g_print_number_of_particles (my_time,local_nr_particles)
777
778	USE pegrid, &
779	ONLY: myid
780
781	IMPLICIT NONE
782
783	INTEGER(iwp),INTENT(IN) :: local_nr_particles !<
784
785	REAL(wp),INTENT(IN) :: my_time !<
786
787	LOGICAL, SAVE :: is_file_open=.FALSE. !<
788
789	INTEGER(iwp) :: child_id !<
790	INTEGER(iwp) :: child_nr_particles !< total number of particles in all child models
791	INTEGER(iwp) :: ierr !< error code
792	INTEGER(iwp) :: m !< loop index (number of childs)
793
794	CHARACTER(LEN=16) :: fname !< filename
795
796	INTEGER(iwp),DIMENSION(2) :: ivalr !< integer value to be received
797	INTEGER(iwp),DIMENSION(2) :: ivals !< integer value to be send
798
799	#if defined( __parallel )
800	child_nr_particles = 0
801	IF ( myid == 0 ) THEN
802	IF ( cpl_id > 1 ) THEN
803	ivals(1) = local_nr_particles
804	CALL pmc_send_to_parent( ivals, 1, 0, 400, ierr )
805	ENDIF
806	DO m = 1, SIZE( pmc_parent_for_child ) - 1
807
808	child_id = pmc_parent_for_child(m)
809	CALL pmc_recv_from_child( child_id, ivalr, 1, 0, 400, ierr )
810	child_nr_particles = child_nr_particles + ivalr(1)
811	ENDDO
812
813	IF ( SIZE( pmc_parent_for_child ) > 1 ) THEN
814	IF ( .NOT. is_file_open ) THEN !kk muss noch auf file_open umgestellt werden
815	WRITE(fname,'(a,i2.2)') 'nr_particles_',cpl_id
816	OPEN (333,file = fname)
817	is_file_open = .true.
818	ENDIF
819	WRITE(333,'(f12.2,3i10)') my_time,local_nr_particles + child_nr_particles,local_nr_particles,child_nr_particles
820	ENDIF
821	ENDIF
822
823	#endif
824	END SUBROUTINE pmcp_g_print_number_of_particles
825
826
827	!------------------------------------------------------------------------------!
828	!------------------------------------------------------------------------------!
829	! Private subroutines
830	!------------------------------------------------------------------------------!
831	!------------------------------------------------------------------------------!
832
833	!------------------------------------------------------------------------------!
834	! Description:
835	! ------------
836	!> child routine
837	!> update the size of the local buffer (coarse_particles)
838	!------------------------------------------------------------------------------!
839	SUBROUTINE check_and_alloc_coarse_particle (ic,jc,nr,with_copy)
840
841	IMPLICIT NONE
842
843	INTEGER(iwp),INTENT(IN) :: ic !< coarse x grid index
844	INTEGER(iwp),INTENT(IN) :: jc !< coarse y grid index
845	INTEGER(iwp),INTENT(IN) :: nr !< number of particles to be transferred/stored in local buffer
846
847	LOGICAL,INTENT(IN),OPTIONAL :: with_copy !< copy particles in buffer? or reallocate empty buffer
848
849	LOGICAL :: with_copy_lo !< local variable of with copy
850
851	INTEGER(iwp) :: new_size !< new size of the local buffer
852	INTEGER(iwp) :: old_size !< old size of the local buffer
853
854	TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: tmp_particles_d !<
855
856	#if defined( __parallel )
857	with_copy_lo = .FALSE.
858	IF ( PRESENT( with_copy ) ) with_copy_lo = with_copy
859
860	IF ( .NOT. ALLOCATED( coarse_particles(jc,ic)%parent_particles ) ) THEN
861	new_size = MAX( nr, Min_particles_per_column )
862	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
863	ELSEIF ( nr > SIZE( coarse_particles(jc,ic)%parent_particles ) ) THEN
864
865	old_size = SIZE( coarse_particles(jc,ic)%parent_particles )
866	new_size = old_size * ( 1.0_wp + alloc_factor / 100.0_wp )
867	new_size = MAX( nr, new_size, old_size + Min_particles_per_column )
868
869	!
870	!-- Copy existing particles to new particle buffer
871	IF ( with_copy_lo ) THEN
872	ALLOCATE( tmp_particles_d(old_size) )
873	tmp_particles_d(1:old_size) = coarse_particles(jc,ic)%parent_particles
874
875	DEALLOCATE( coarse_particles(jc,ic)%parent_particles )
876	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
877
878	coarse_particles(jc,ic)%parent_particles(1:old_size) = tmp_particles_d(1:old_size)
879	coarse_particles(jc,ic)%parent_particles(old_size+1:new_size) = zero_particle
880
881	DEALLOCATE( tmp_particles_d )
882	!
883	!-- allocate or reallocate an empty buffer
884	ELSE
885	DEALLOCATE( coarse_particles(jc,ic)%parent_particles )
886	ALLOCATE( coarse_particles(jc,ic)%parent_particles(new_size) )
887	ENDIF
888	ENDIF
889
890	#endif
891	END SUBROUTINE check_and_alloc_coarse_particle
892
893
894	!------------------------------------------------------------------------------!
895	! Description:
896	! ------------
897	!> child routine:
898	!> copy/sort particles out of the local buffer into the respective grid boxes
899	!------------------------------------------------------------------------------!
900	SUBROUTINE c_copy_particle_to_child_grid
901
902	IMPLICIT NONE
903
904	INTEGER(iwp) :: ic !< coarse x grid index
905	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
906	INTEGER(iwp) :: icr !< right boundary in coarse(parent) index space
907	INTEGER(iwp) :: ip !< x grid index
908	INTEGER(iwp) :: jc !< coarse y grid index
909	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
910	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
911	INTEGER(iwp) :: jp !< y grid index
912	INTEGER(iwp) :: kp !< z grid index
913	INTEGER(iwp) :: n !< loop index (number of particles)
914	INTEGER(iwp) :: nr !< short variable for name number or particles
915
916	REAL(wp) :: xc !< child x coordinate
917	REAL(wp) :: xoc !< child x origin
918	REAL(wp) :: yc !< child y coordinate
919	REAL(wp) :: yoc !< child y origin
920	REAL(wp) :: zc !< child z coordinate
921
922	#if defined( __parallel )
923	!
924	!-- Child domain boundaries in the parent index space
925	icl = coarse_bound(1)
926	icr = coarse_bound(2)
927	jcs = coarse_bound(3)
928	jcn = coarse_bound(4)
929
930	DO ic = icl, icr
931	DO jc = jcs, jcn
932	nr = coarse_particles(jc,ic)%nr_particle
933
934	IF ( nr > 0 ) THEN
935	DO n = 1, nr
936	xc = coarse_particles(jc,ic)%parent_particles(n)%x-lower_left_coord_x
937	yc = coarse_particles(jc,ic)%parent_particles(n)%y-lower_left_coord_y
938	zc = coarse_particles(jc,ic)%parent_particles(n)%z
939	xoc = coarse_particles(jc,ic)%parent_particles(n)%origin_x-lower_left_coord_x
940	yoc = coarse_particles(jc,ic)%parent_particles(n)%origin_y-lower_left_coord_y
941	ip = xc / dx
942	jp = yc / dy
943	kp = nzt
944	DO WHILE ( zw(kp-1) > zc .AND. kp > nzb + 1 ) ! kk search loop has to be optimzed !!!
945	kp = kp - 1
946	ENDDO
947
948	IF ( ip >= nxl .AND. ip <= nxr .AND. jp >= nys .AND. jp <= nyn ) THEN
949	prt_count(kp,jp,ip) = prt_count(kp,jp,ip) + 1
950	IF ( prt_count(kp,jp,ip) > SIZE( grid_particles(kp,jp,ip)%particles ) ) THEN
951	CALL realloc_particles_array( ip, jp, kp )
952	ENDIF
953	coarse_particles(jc,ic)%parent_particles(n)%x = xc ! Adjust coordinates to child grid
954	coarse_particles(jc,ic)%parent_particles(n)%y = yc
955	coarse_particles(jc,ic)%parent_particles(n)%origin_x = xoc ! Adjust origins to child grid
956	coarse_particles(jc,ic)%parent_particles(n)%origin_y = yoc
957	grid_particles(kp,jp,ip)%particles(prt_count(kp,jp,ip)) = coarse_particles(jc,ic)%parent_particles(n)
958	ENDIF
959	ENDDO
960	ENDIF
961	ENDDO
962	ENDDO
963
964	#endif
965	END SUBROUTINE c_copy_particle_to_child_grid
966
967
968	!------------------------------------------------------------------------------!
969	! Description:
970	! ------------
971	!> child routine:
972	!> copy particles which left the model area into the local buffer
973	!------------------------------------------------------------------------------!
974	SUBROUTINE c_copy_particle_to_coarse_grid
975
976	IMPLICIT NONE
977
978	LOGICAL :: boundary_particle !<
979
980	INTEGER(iwp) :: i !< loop index (x grid)
981	INTEGER(iwp) :: ic !< loop index (coarse x grid)
982	INTEGER(iwp) :: icl !< left boundary in coarse(parent) index space
983	INTEGER(iwp) :: icr !< left boundary in coarse(parent) index space
984	INTEGER(iwp) :: ierr !< error code
985	INTEGER(iwp) :: j !< loop index (y grid)
986	INTEGER(iwp) :: jc !< loop index (coarse y grid)
987	INTEGER(iwp) :: jcs !< south boundary in coarse(parent) index space
988	INTEGER(iwp) :: jcn !< north boundary in coarse(parent) index space
989	INTEGER(iwp) :: k !< loop index (z grid)
990	INTEGER(iwp) :: n !< loop index (number of particles)
991
992	REAL(wp) :: x !< x coordinate
993	REAL(wp) :: xo !< x origin
994	REAL(wp) :: x_left !< absolute left boundary
995	REAL(wp) :: x_right !< absolute right boundary
996	REAL(wp) :: y !< left boundary in coarse(parent) index space
997	REAL(wp) :: yo !< y origin
998	REAL(wp) :: y_north !< absolute north boundary
999	REAL(wp) :: y_south !< absoulte south boundary
1000	REAL(wp) :: z !< z coordinate
1001
1002	#if defined( __parallel )
1003	!
1004	!-- Child domain boundaries in the parent index space
1005
1006	icl = coarse_bound(1)
1007	icr = coarse_bound(2)
1008	jcs = coarse_bound(3)
1009	jcn = coarse_bound(4)
1010
1011	!
1012	!-- absolute coordinates
1013	x_left = coord_x(0)
1014	x_right = coord_x(nx) + dx
1015	y_south = coord_y(0)
1016	y_north = coord_y(ny) + dy
1017
1018	! Clear Particle Buffer
1019
1020	DO ic = icl, icr
1021	DO jc = jcs, jcn
1022	coarse_particles(jc,ic)%nr_particle = 0
1023	ENDDO
1024	ENDDO
1025
1026	!
1027	!-- Determine particles which leave the inner area in east or west dirextion
1028	!-- Compute only first (nxl) and last (nxr) loop iterration.
1029	DO i = nxl, nxr
1030	DO j = nys, nyn
1031	DO k = nzb + 1, nzt
1032	number_of_particles = prt_count(k,j,i)
1033	IF ( number_of_particles <= 0 ) CYCLE
1034	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
1035	DO n = 1, number_of_particles
1036	IF ( particles(n)%particle_mask ) THEN
1037	x = particles(n)%x+ lower_left_coord_x
1038	y = particles(n)%y+ lower_left_coord_y
1039	xo = particles(n)%origin_x + lower_left_coord_x
1040	yo = particles(n)%origin_y + lower_left_coord_y
1041	z = particles(n)%z
1042
1043	boundary_particle = .FALSE.
1044	boundary_particle = boundary_particle .OR. (x < x_left .OR. x > x_right)
1045	boundary_particle = boundary_particle .OR. (y < y_south .OR. y > y_north)
1046	boundary_particle = boundary_particle .OR. (z > zw(nzt))
1047
1048	IF ( boundary_particle ) THEN
1049	ic = x / cg%dx !TODO anpassen auf Mehrfachnesting
1050	jc = y / cg%dy
1051
1052	IF ( ic >= icl .AND. ic <= icr .AND. jc >= jcs .AND. jc <= jcn ) THEN
1053	coarse_particles(jc,ic)%nr_particle = coarse_particles(jc,ic)%nr_particle + 1
1054	CALL check_and_alloc_coarse_particle( ic, jc, coarse_particles(jc,ic)%nr_particle, with_copy=.TRUE. )
1055
1056	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle) = particles(n)
1057	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%x = x !adapt to global coordinates
1058	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%y = y
1059	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%origin_x = xo
1060	coarse_particles(jc,ic)%parent_particles(coarse_particles(jc,ic)%nr_particle)%origin_y = yo
1061	!-- Mark particle as deleted after copying it to the transfer buffer
1062	grid_particles(k,j,i)%particles(n)%particle_mask = .FALSE.
1063	ELSE
1064	WRITE(9,'(a,10i6)') 'This should not happen ',i,j,k,ic,jc,icl,icr,jcs,jcn
1065	CALL MPI_Abort( MPI_COMM_WORLD, 9999, ierr )
1066	ENDIF
1067	ENDIF
1068	ENDIF
1069	ENDDO
1070	ENDDO
1071	ENDDO
1072	ENDDO
1073
1074	!
1075	!- Pack particles (eliminate those marked for deletion),
1076	!- determine new number of particles
1077	CALL lpm_sort_in_subboxes
1078
1079	#endif
1080	END SUBROUTINE c_copy_particle_to_coarse_grid
1081
1082
1083	!------------------------------------------------------------------------------!
1084	! Description:
1085	! ------------
1086	!> parent routine:
1087	!> copy/sort particles from the MPI window into the respective grid boxes
1088	!------------------------------------------------------------------------------!
1089	SUBROUTINE p_copy_particle_to_org_grid( m )
1090
1091	IMPLICIT NONE
1092
1093	INTEGER(iwp),INTENT(IN) :: m !<
1094
1095	INTEGER(iwp) :: i !< loop index (x grid)
1096	INTEGER(iwp) :: j !< loop index (y grid)
1097	INTEGER(iwp) :: k !< loop index (z grid)
1098	INTEGER(iwp) :: n !< loop index (nr part)
1099	INTEGER(iwp) :: nr !< short variable name for nr_part
1100	INTEGER(iwp) :: pindex !< short variable name part_adr
1101
1102	REAL(wp) :: x !< x coordinate
1103	REAL(wp) :: xo !< x origin
1104	REAL(wp) :: y !< y coordinate
1105	REAL(wp) :: yo !< y origin
1106	REAL(wp) :: z !< z coordinate
1107
1108	INTEGER(iwp),DIMENSION(1) :: buf_shape !<
1109
1110	#if defined( __parallel )
1111	buf_shape(1) = max_nr_particle_in_rma_win
1112	CALL C_F_POINTER( buf_ptr(m), particle_in_win , buf_shape )
1113
1114	DO i = nxl, nxr
1115	DO j = nys, nyn
1116	nr = nr_part(j,i)
1117	IF ( nr > 0 ) THEN
1118	pindex = part_adr(j,i)
1119	DO n = 1, nr
1120	x = particle_in_win(pindex)%x-lower_left_coord_x
1121	y = particle_in_win(pindex)%y-lower_left_coord_y
1122	z = particle_in_win(pindex)%z
1123	xo = particle_in_win(pindex)%origin_x-lower_left_coord_x
1124	yo = particle_in_win(pindex)%origin_y-lower_left_coord_y
1125	k = nzt + 1
1126	DO WHILE ( zw(k-1) > z .AND. k > nzb + 1 ) ! kk search loop has to be optimzed !!!
1127	k = k - 1
1128	END DO
1129
1130	prt_count(k,j,i) = prt_count(k,j,i) + 1
1131	IF ( prt_count(k,j,i) > SIZE( grid_particles(k,j,i)%particles ) ) THEN
1132	CALL realloc_particles_array( i, j, k )
1133	ENDIF
1134	grid_particles(k,j,i)%particles(prt_count(k,j,i)) = particle_in_win(pindex)
1135
1136	!
1137	!-- Update particle positions and origins relative to parent domain
1138	grid_particles(k,j,i)%particles(prt_count(k,j,i))%x = x
1139	grid_particles(k,j,i)%particles(prt_count(k,j,i))%y = y
1140	grid_particles(k,j,i)%particles(prt_count(k,j,i))%origin_x = xo
1141	grid_particles(k,j,i)%particles(prt_count(k,j,i))%origin_y = yo
1142	pindex = pindex + 1
1143	ENDDO
1144	ENDIF
1145	ENDDO
1146	ENDDO
1147
1148	#endif
1149	END SUBROUTINE p_copy_particle_to_org_grid
1150
1151
1152	END MODULE pmc_particle_interface

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