!> @file swap_timelevel.f90 !------------------------------------------------------------------------------! ! This file is part of the PALM model system. ! ! 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 1997-2019 Leibniz Universitaet Hannover !------------------------------------------------------------------------------! ! ! Current revisions: ! ----------------- ! ! ! Former revisions: ! ----------------- ! $Id: swap_timelevel.f90 3761 2019-02-25 15:31:42Z hellstea $ ! unused variables removed ! ! 3655 2019-01-07 16:51:22Z knoop ! Implementation of the PALM module interface ! ! 3636 2018-12-19 13:48:34Z raasch ! nopointer option removed ! ! 3589 2018-11-30 15:09:51Z suehring ! Move the control parameter "salsa" from salsa_mod to control_parameters ! (M. Kurppa) ! ! 3582 2018-11-29 19:16:36Z suehring ! Implementation of a new aerosol module salsa. ! ! 3303 2018-10-03 12:04:15Z raasch ! bugfix for swapping in case of ocean mode ! ! 3294 2018-10-01 02:37:10Z raasch ! changes concerning modularization of ocean option ! ! 3274 2018-09-24 15:42:55Z knoop ! Modularization of all bulk cloud physics code components ! ! 3241 2018-09-12 15:02:00Z raasch ! unused variables removed ! ! 2817 2018-02-19 16:32:21Z knoop ! Preliminary gust module interface implemented ! ! 2766 2018-01-22 17:17:47Z kanani ! Removed preprocessor directive __chem ! ! 2718 2018-01-02 08:49:38Z maronga ! Corrected "Former revisions" section ! ! 2696 2017-12-14 17:12:51Z kanani ! Change in file header (GPL part) ! Moved TKE to turbulence_closure_mod (TG) ! Implementation of chemistry module (FK) ! ! 2350 2017-08-15 11:48:26Z kanani ! Bugfix in nopointer version ! ! 2292 2017-06-20 09:51:42Z schwenkel ! Implementation of new microphysic scheme: cloud_scheme = 'morrison' ! includes two more prognostic equations for cloud drop concentration (nc) ! and cloud water content (qc). ! ! 2233 2017-05-30 18:08:54Z suehring ! ! 2232 2017-05-30 17:47:52Z suehring ! Adjustments to new surface concept ! ! 2118 2017-01-17 16:38:49Z raasch ! OpenACC directives removed ! ! 2011 2016-09-19 17:29:57Z kanani ! Flag urban_surface is now defined in module control_parameters. ! ! 2007 2016-08-24 15:47:17Z kanani ! Added swapping of urban surface model quantities, ! removed redundance for land surface model ! ! 2000 2016-08-20 18:09:15Z knoop ! Forced header and separation lines into 80 columns ! ! 1960 2016-07-12 16:34:24Z suehring ! Separate humidity and passive scalar ! ! 1822 2016-04-07 07:49:42Z hoffmann ! icloud_scheme replaced by microphysics_* ! ! swap_timelevel.f90 1766 2016-02-29 08:37:15Z raasch ! setting the swap level for pmc data transfer ! ! 1747 2016-02-08 12:25:53Z raasch ! explicit loops in nopointer case to omit craypointer option of pgi compiler ! ! 1682 2015-10-07 23:56:08Z knoop ! Code annotations made doxygen readable ! ! 1496 2014-12-02 17:25:50Z maronga ! Added swapping of land surface model quantities ! ! 1374 2014-04-25 12:55:07Z raasch ! bugfix: use-statement for nopointer-case added ! ! 1320 2014-03-20 08:40:49Z raasch ! ONLY-attribute added to USE-statements, ! revision history before 2012 removed, ! 1318 2014-03-17 13:35:16Z raasch ! module interfaces removed ! ! 1115 2013-03-26 18:16:16Z hoffmann ! calculation of qr and nr is restricted to precipitation ! ! 1111 2013-03-08 23:54:10Z raasch ! openACC directives added ! ! 1053 2012-11-13 17:11:03Z hoffmann ! swap of timelevels for nr, qr added ! ! 1036 2012-10-22 13:43:42Z raasch ! code put under GPL (PALM 3.9) ! ! 1032 2012-10-21 13:03:21Z letzel ! save memory by not allocating pt_2 in case of neutral = .T. ! ! 1010 2012-09-20 07:59:54Z raasch ! cpp switch __nopointer added for pointer free version ! ! 1001 2012-09-13 14:08:46Z raasch ! all actions concerning leapfrog scheme removed ! ! Revision 1.1 2000/01/10 10:08:58 10:08:58 raasch (Siegfried Raasch) ! Initial revision ! ! ! Description: ! ------------ !> Swap of timelevels of variables after each timestep !------------------------------------------------------------------------------! SUBROUTINE swap_timelevel USE arrays_3d, & ONLY: pt, pt_1, pt_2, pt_p, q, q_1, q_2, q_p, s, s_1, s_2, s_p, u, u_1, u_2, u_p, v, v_1, & v_2, v_p, w, w_1, w_2, w_p USE cpulog, & ONLY: cpu_log, log_point USE control_parameters, & ONLY: humidity, neutral, passive_scalar, timestep_count USE kinds USE module_interface, & ONLY: module_interface_swap_timelevel USE pmc_interface, & ONLY: nested_run, pmci_set_swaplevel USE turbulence_closure_mod, & ONLY: tcm_swap_timelevel IMPLICIT NONE INTEGER(iwp) :: swap_level !> swap_level for steering the pmc data transfer ! !-- Incrementing timestep counter timestep_count = timestep_count + 1 ! !-- Swap of variables CALL cpu_log( log_point(28), 'swap_timelevel', 'start' ) SELECT CASE ( MOD( timestep_count, 2 ) ) CASE ( 0 ) u => u_1; u_p => u_2 v => v_1; v_p => v_2 w => w_1; w_p => w_2 IF ( .NOT. neutral ) THEN pt => pt_1; pt_p => pt_2 ENDIF IF ( humidity ) THEN q => q_1; q_p => q_2 ENDIF IF ( passive_scalar ) THEN s => s_1; s_p => s_2 ENDIF swap_level = 1 CASE ( 1 ) u => u_2; u_p => u_1 v => v_2; v_p => v_1 w => w_2; w_p => w_1 IF ( .NOT. neutral ) THEN pt => pt_2; pt_p => pt_1 ENDIF IF ( humidity ) THEN q => q_2; q_p => q_1 ENDIF IF ( passive_scalar ) THEN s => s_2; s_p => s_1 ENDIF swap_level = 2 END SELECT ! !-- Set the swap level the turbulence closure module CALL tcm_swap_timelevel( MOD( timestep_count, 2) ) ! !-- Set the swap level for all other modules CALL module_interface_swap_timelevel( MOD( timestep_count, 2) ) ! !-- Set the swap level for steering the pmc data transfer IF ( nested_run ) CALL pmci_set_swaplevel( swap_level ) CALL cpu_log( log_point(28), 'swap_timelevel', 'stop' ) END SUBROUTINE swap_timelevel