!> @file lpm_read_restart_file.f90 !------------------------------------------------------------------------------! ! This file is part of PALM. ! ! PALM is free software: you can redistribute it and/or modify it under the ! terms of the GNU General Public License as published by the Free Software ! Foundation, either version 3 of the License, or (at your option) any later ! version. ! ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. ! ! You should have received a copy of the GNU General Public License along with ! PALM. If not, see . ! ! Copyright 1997-2017 Leibniz Universitaet Hannover !------------------------------------------------------------------------------! ! ! Current revisions: ! ------------------ ! ! ! Former revisions: ! ----------------- ! $Id: lpm_read_restart_file.f90 2305 2017-07-06 11:18:47Z gronemeier $ ! Improved calculation of particle IDs. ! ! 2265 2017-06-08 16:58:28Z schwenkel ! Unused variables removed. ! ! 2101 2017-01-05 16:42:31Z suehring ! ! 2000 2016-08-20 18:09:15Z knoop ! Forced header and separation lines into 80 columns ! ! 1822 2016-04-07 07:49:42Z hoffmann ! Tails removed. Unused variables removed. ! ! 1682 2015-10-07 23:56:08Z knoop ! Code annotations made doxygen readable ! ! 1359 2014-04-11 17:15:14Z hoffmann ! New particle structure integrated. ! ! 1320 2014-03-20 08:40:49Z raasch ! ONLY-attribute added to USE-statements, ! comment fields (!:) to be used for variable explanations added to ! all variable declaration statements ! ! 1036 2012-10-22 13:43:42Z raasch ! code put under GPL (PALM 3.9) ! ! 849 2012-03-15 10:35:09Z raasch ! initial revision (former part of init_particles) ! ! ! Description: ! ------------ !> Read particle data from the restart file. !------------------------------------------------------------------------------! SUBROUTINE lpm_read_restart_file USE control_parameters, & ONLY: message_string USE indices, & ONLY: nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg, nzb, nzt USE kinds USE lpm_pack_arrays_mod, & ONLY: lpm_pack_all_arrays USE particle_attributes, & ONLY: alloc_factor, bc_par_b, bc_par_lr, bc_par_ns, bc_par_t, & grid_particles, min_nr_particle, number_of_particles, & number_of_particle_groups, particle_groups, particle_type, & prt_count, time_prel, time_write_particle_data, zero_particle USE pegrid IMPLICIT NONE CHARACTER (LEN=10) :: particle_binary_version !< CHARACTER (LEN=10) :: version_on_file !< INTEGER(iwp) :: alloc_size !< INTEGER(iwp) :: ip !< INTEGER(iwp) :: jp !< INTEGER(iwp) :: kp !< TYPE(particle_type), DIMENSION(:), ALLOCATABLE :: tmp_particles !< ! !-- Read particle data from previous model run. !-- First open the input unit. IF ( myid_char == '' ) THEN OPEN ( 90, FILE='PARTICLE_RESTART_DATA_IN'//myid_char, & FORM='UNFORMATTED' ) ELSE OPEN ( 90, FILE='PARTICLE_RESTART_DATA_IN/'//myid_char, & FORM='UNFORMATTED' ) ENDIF ! !-- First compare the version numbers READ ( 90 ) version_on_file particle_binary_version = '4.0' IF ( TRIM( version_on_file ) /= TRIM( particle_binary_version ) ) THEN message_string = 'version mismatch concerning data from prior ' // & 'run &version on file = "' // & TRIM( version_on_file ) // & '&version in program = "' // & TRIM( particle_binary_version ) // '"' CALL message( 'lpm_read_restart_file', 'PA0214', 1, 2, 0, 6, 0 ) ENDIF ! !-- If less particles are stored on the restart file than prescribed by !-- min_nr_particle, the remainder is initialized by zero_particle to avoid !-- errors. zero_particle = particle_type( 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, & 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, & 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, & 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, & 0, 0, 0_idp, .FALSE., -1 ) ! !-- Read some particle parameters and the size of the particle arrays, !-- allocate them and read their contents. READ ( 90 ) bc_par_b, bc_par_lr, bc_par_ns, bc_par_t, & number_of_particle_groups, particle_groups, time_prel, & time_write_particle_data ALLOCATE( prt_count(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & grid_particles(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) READ ( 90 ) prt_count DO ip = nxl, nxr DO jp = nys, nyn DO kp = nzb+1, nzt number_of_particles = prt_count(kp,jp,ip) IF ( number_of_particles > 0 ) THEN alloc_size = MAX( INT( number_of_particles * & ( 1.0_wp + alloc_factor / 100.0_wp ) ), & min_nr_particle ) ELSE alloc_size = min_nr_particle ENDIF ALLOCATE( grid_particles(kp,jp,ip)%particles(1:alloc_size) ) IF ( number_of_particles > 0 ) THEN ALLOCATE( tmp_particles(1:number_of_particles) ) READ ( 90 ) tmp_particles grid_particles(kp,jp,ip)%particles(1:number_of_particles) = tmp_particles DEALLOCATE( tmp_particles ) IF ( number_of_particles < alloc_size ) THEN grid_particles(kp,jp,ip)%particles(number_of_particles+1:alloc_size) & = zero_particle ENDIF ELSE grid_particles(kp,jp,ip)%particles(1:alloc_size) = zero_particle ENDIF ENDDO ENDDO ENDDO CLOSE ( 90 ) ! !-- Must be called to sort particles into blocks, which is needed for a fast !-- interpolation of the LES fields on the particle position. CALL lpm_pack_all_arrays END SUBROUTINE lpm_read_restart_file