source: palm/trunk/SOURCE/lpm_write_restart_file.f90 @ 1779

Last change on this file since 1779 was 1683, checked in by knoop, 8 years ago

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1!> @file lpm_write_restart_file.f90
2!--------------------------------------------------------------------------------!
3! This file is part of PALM.
4!
5! PALM is free software: you can redistribute it and/or modify it under the terms
6! of the GNU General Public License as published by the Free Software Foundation,
7! either version 3 of the License, or (at your option) any later version.
8!
9! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
10! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11! A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
12!
13! You should have received a copy of the GNU General Public License along with
14! PALM. If not, see <http://www.gnu.org/licenses/>.
15!
16! Copyright 1997-2014 Leibniz Universitaet Hannover
17!--------------------------------------------------------------------------------!
18!
19! Current revisions:
20! ------------------
21!
22!
23! Former revisions:
24! -----------------
25! $Id: lpm_write_restart_file.f90 1683 2015-10-07 23:57:51Z raasch $
26!
27! 1682 2015-10-07 23:56:08Z knoop
28! Code annotations made doxygen readable
29!
30! 1359 2014-04-11 17:15:14Z hoffmann
31! New particle structure integrated.
32!
33! 1320 2014-03-20 08:40:49Z raasch
34! ONLY-attribute added to USE-statements,
35! kind-parameters added to all INTEGER and REAL declaration statements,
36! kinds are defined in new module kinds,
37! comment fields (!:) to be used for variable explanations added to
38! all variable declaration statements
39!
40! 1036 2012-10-22 13:43:42Z raasch
41! code put under GPL (PALM 3.9)
42!
43! 849 2012-03-15 10:35:09Z raasch
44! initial revision (former part of advec_particles)
45!
46!
47! Description:
48! ------------
49!> Write particle data in FORTRAN binary format on restart file
50!------------------------------------------------------------------------------!
51 SUBROUTINE lpm_write_restart_file
52 
53
54    USE control_parameters,                                                    &
55        ONLY:  io_blocks, io_group
56
57    USE indices,                                                               &
58        ONLY:  nxl, nxr, nyn, nys, nzb, nzt
59
60    USE kinds
61
62    USE particle_attributes,                                                   &
63        ONLY:  bc_par_b, bc_par_lr, bc_par_ns, bc_par_t, grid_particles,       &
64               maximum_number_of_tails, maximum_number_of_tailpoints,          &
65               number_of_particles, number_of_particle_groups,                 &
66               number_of_tails, particles, particle_groups,                    &
67               particle_tail_coordinates, prt_count, time_prel,                &
68               time_write_particle_data, uniform_particles,                    &
69               use_particle_tails, zero_particle
70
71    USE pegrid
72
73    IMPLICIT NONE
74
75    CHARACTER (LEN=10) ::  particle_binary_version   !<
76
77    INTEGER(iwp) ::  i                               !<
78    INTEGER(iwp) ::  ip                              !<
79    INTEGER(iwp) ::  jp                              !<
80    INTEGER(iwp) ::  kp                              !<
81
82!
83!-- First open the output unit.
84    IF ( myid_char == '' )  THEN
85       OPEN ( 90, FILE='PARTICLE_RESTART_DATA_OUT'//myid_char, &
86                  FORM='UNFORMATTED')
87    ELSE
88       IF ( myid == 0 )  CALL local_system( 'mkdir PARTICLE_RESTART_DATA_OUT' )
89#if defined( __parallel )
90!
91!--    Set a barrier in order to allow that thereafter all other processors
92!--    in the directory created by PE0 can open their file
93       CALL MPI_BARRIER( comm2d, ierr )
94#endif
95       OPEN ( 90, FILE='PARTICLE_RESTART_DATA_OUT/'//myid_char, &
96                  FORM='UNFORMATTED' )
97    ENDIF
98
99!    DO  i = 0, io_blocks-1
100
101!       IF ( i == io_group )  THEN
102
103!
104!--       Write the version number of the binary format.
105!--       Attention: After changes to the following output commands the version
106!--       ---------  number of the variable particle_binary_version must be
107!--                  changed! Also, the version number and the list of arrays
108!--                  to be read in lpm_read_restart_file must be adjusted
109!--                  accordingly.
110          particle_binary_version = '3.2'
111          WRITE ( 90 )  particle_binary_version
112
113!
114!--       Write some particle parameters, the size of the particle arrays as
115!--       well as other dvrp-plot variables.
116          WRITE ( 90 )  bc_par_b, bc_par_lr, bc_par_ns, bc_par_t,              &
117                        maximum_number_of_tailpoints, maximum_number_of_tails, &
118                        number_of_particle_groups, number_of_tails,            &
119                        particle_groups, time_prel, time_write_particle_data,  &
120                        uniform_particles
121
122          WRITE ( 90 )  prt_count
123         
124          DO  ip = nxl, nxr
125             DO  jp = nys, nyn
126                DO  kp = nzb+1, nzt
127                   number_of_particles = prt_count(kp,jp,ip)
128                   particles => grid_particles(kp,jp,ip)%particles(1:number_of_particles)
129                   IF ( number_of_particles <= 0 )  CYCLE
130                   WRITE ( 90 )  particles
131                ENDDO
132             ENDDO
133          ENDDO
134
135!
136!--       particle tails currently not available
137!          IF ( use_particle_tails )  THEN
138!             WRITE ( 90 )  particle_tail_coordinates
139!          ENDIF
140
141          CLOSE ( 90 )
142
143!       ENDIF
144
145#if defined( __parallel )
146       CALL MPI_BARRIER( comm2d, ierr )
147#endif
148
149 !   ENDDO
150
151
152 END SUBROUTINE lpm_write_restart_file
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