source: palm/trunk/SOURCE/lpm_extend_particle_array.f90 @ 850

Last change on this file since 850 was 850, checked in by raasch, 10 years ago

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1 SUBROUTINE lpm_extend_particle_array( number_of_new_particles )
2
3!------------------------------------------------------------------------------!
4! Current revisions:
5! ------------------
6!
7!
8! Former revisions:
9! -----------------
10! $Id: lpm_extend_particle_array.f90 850 2012-03-15 12:09:25Z raasch $
11!
12! 849 2012-03-15 10:35:09Z raasch
13! initial revision (former part of advec_particles)
14!
15!
16! Description:
17! ------------
18! Allocates more memory for the particle array.
19!------------------------------------------------------------------------------!
20
21    USE particle_attributes
22
23    IMPLICIT NONE
24
25    INTEGER ::  new_maximum_number, number_of_new_particles
26
27    LOGICAL, DIMENSION(:), ALLOCATABLE ::  tmp_particle_mask
28
29    TYPE(particle_type), DIMENSION(:), ALLOCATABLE ::  tmp_particles
30
31
32
33    new_maximum_number = maximum_number_of_particles + &
34                   MAX( 5*number_of_new_particles, number_of_initial_particles )
35
36    IF ( write_particle_statistics )  THEN
37       CALL check_open( 80 )
38       WRITE ( 80, '(''*** Request: '', I7, '' new_maximum_number(prt)'')' ) &
39                            new_maximum_number
40       CALL close_file( 80 )
41    ENDIF
42
43    ALLOCATE( tmp_particles(maximum_number_of_particles), &
44              tmp_particle_mask(maximum_number_of_particles) )
45
46    tmp_particles     = particles
47    tmp_particle_mask = particle_mask
48
49    DEALLOCATE( particles, particle_mask )
50    ALLOCATE( particles(new_maximum_number), particle_mask(new_maximum_number) )
51
52    maximum_number_of_particles = new_maximum_number
53
54    particles(1:number_of_particles) = tmp_particles(1:number_of_particles)
55    particle_mask(1:number_of_particles) = &
56                                       tmp_particle_mask(1:number_of_particles)
57    particle_mask(number_of_particles+1:maximum_number_of_particles) = .TRUE.
58
59    DEALLOCATE( tmp_particles, tmp_particle_mask )
60
61
62 END SUBROUTINE lpm_extend_particle_array
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