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!MNH_LIC Copyright 1994-2018 CNRS, Meteo-France and Universite Paul Sabatier
!MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
!MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
!MNH_LIC for details. version 1.
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!-----------------------------------------------------------------
! ##############
PROGRAM MESONH
! ##############
!
!!**** *MESONH * -general monitor of the model
!!
!! PURPOSE
!! -------
!!
!! This program is the general monitor of the model. Firstly, it calls the
!! subroutine INIT, which performs the sequential initialization of the
!! nested models. Then, the program calls the temporal loops of all the
!! models, by calling a recursive function which make the temporal nesting
!! of the different nested models.
!!
!!** METHOD
!! ------
!!
!! The initialization is a sequentially performed together with the
!! temporal loop of all the nested models. The spatial nesting can be
!! performed in an arbitrary way, the only constrainst is for the first model
!! which must contain all the others. For the moment, only 8 models can be
!! runned at the time and the imbriquation level can also go to this upper
!! value.
!!
!!
!!
!! EXTERNAL
!! --------
!!
!! subroutine INIT : performs the sequential initialization of the nested
!! models
!! subroutine MODEL: choose the right MODELn to be called
!!
!! subroutine KID_MODEL: recursive function which calls the kid models
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!!
!! MODD_CONF: NMODEL, NMASDEV, CPROGRAM
!! MODD_CONF_n: CSTORAGE_TYPE
!!
!!
!! REFERENCE
!! ---------
!!
!! NONE
!!
!! AUTHOR
!! ------
!!
!! J. STEIN * METEO-FRANCE *
!!
!! MODIFICATIONS
!! -------------
!!
!! Original 20/10/94
!! J.Stein 08/12/94 clean the code and add the modules
!! J.Stein and P.Jabouille 30/04/96 add the storage_type
!! J.P.Lafore 11/07/96 multi-tasking introduction for nesting
!! J.P.Lafore 01/08/96 events implementation
!! J.P.Lafore 17/11/97 events modification for two-way nesting
!! J.Stein 08/07/98 sequential form for the nesting
!! J.Stein 08/04/99 general case of the sequential form
!! V. Masson 15/03/99 MASDEV number and PROGRAM name
!! J.P. Chaboureau 15/03/04 loop limited to 100000 iterations
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!! remplaced by infinite loop
!! J.Escobar 19/03/2008 rename INIT to INIT_MNH --> grib problem
!! J.Escobar 6/11/2014 remove test on LCHECK otherwise never call MPPDB_INIT
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!! J.Escobar 15/09/2015 WENO5 & JPHEXT <> 1
!! G.Delautier 06/2016 phasage surfex 8
!! J. Pianezze 01/08/2016 add sfxoasis coupling functions
!! Philippe Wautelet: 05/2016-04/2018: new data structures and calls for I/O
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
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#ifdef CPLOASIS
USE MODD_VAR_ll, ONLY : NMNH_COMM_WORLD, IP
USE MODD_DYN_n, ONLY : XTSTEP
USE MODD_SFX_OASIS, ONLY : LOASIS, LOASIS_GRID
#endif
!
USE MODD_CONF
USE MODD_NESTING
USE MODD_CONF_n
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USE MODD_IO_ll, ONLY: NIO_VERB,NVERB_DEBUG
!
USE MODI_MODEL_n
USE MODI_KID_MODEL
!
USE MODE_ll
USE MODE_IO_ll
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USE MODE_IO_MANAGE_STRUCT, ONLY : IO_FILE_PRINT_LIST
USE MODE_MODELN_HANDLER
!
USE MODI_VERSION
USE MODI_INIT_MNH
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#ifdef CPLOASIS
USE MODI_SFX_OASIS_INIT
USE MODI_MNH_OASIS_GRID
USE MODI_MNH_OASIS_DEFINE
USE MODI_SFX_OASIS_END
#endif
!
IMPLICIT NONE
!
!* 0.1 declarations of local variables
!
INTEGER :: JMODEL ! loop index
INTEGER :: ITEMP_MODEL1 ! loop increment
LOGICAL :: GEXIT ! flag for the end of the
! temporal loop
INTEGER :: IINFO_ll ! return code of // routines
!
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#ifdef CPLOASIS
CHARACTER(LEN=28) :: CNAMELIST
LOGICAL :: L_MASTER
#endif
!
!-------------------------------------------------------------------------------
!
!* 1. INITIALIZATION
! --------------
! Switch to model 1 variables
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#ifndef CPLOASIS
CALL MPPDB_INIT()
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#endif
!
CALL GOTO_MODEL(1,ONOFIELDLIST=.TRUE.)
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#ifdef CPLOASIS
CNAMELIST='EXSEG1.nam'
CALL SFX_OASIS_INIT(CNAMELIST, NMNH_COMM_WORLD)
#endif
!
CALL INITIO_ll()
!
CALL VERSION
CPROGRAM='MESONH'
!
CALL INIT_MNH
!
!
GEXIT=.FALSE.
!
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!
!* 1.1 INITIALIZATION GRID OASIS
! -------------------------
!
!
#ifdef CPLOASIS
IF(IP==1) THEN
L_MASTER=.TRUE.
ELSE
L_MASTER=.FALSE.
END IF
!
IF (LOASIS_GRID) THEN
CALL MNH_OASIS_GRID(L_MASTER,NMNH_COMM_WORLD)
ENDIF
#endif
!
!
!* 1.2 INITIALIZATION PARTITION OASIS
! ------------------------------
!
#ifdef CPLOASIS
IF (LOASIS) THEN
CALL MNH_OASIS_DEFINE(CPROGRAM,IP)
END IF
#endif
!
!-------------------------------------------------------------------------------
!
!* 2. TEMPORAL LOOP
! -------------
!
DO JMODEL=1,NMODEL
CALL GO_TOMODEL_ll(JMODEL,IINFO_ll)
CALL GOTO_MODEL(JMODEL)
CALL MODEL_n(1,GEXIT)
END DO
!
IF(GEXIT) THEN
!callabortstop
CALL ABORT
STOP
ENDIF
!
ITEMP_MODEL1=1
DO
ITEMP_MODEL1=ITEMP_MODEL1+1
!
CALL GO_TOMODEL_ll(1,IINFO_ll)
CALL GOTO_MODEL(1)
CALL MODEL_n(ITEMP_MODEL1,GEXIT)
!
CALL KID_MODEL(1,ITEMP_MODEL1,GEXIT)
!
IF(GEXIT) EXIT
!
END DO
!
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IF(NIO_VERB>=NVERB_DEBUG) CALL IO_FILE_PRINT_LIST()
!
!-------------------------------------------------------------------------------
!
!* 3. FINALIZE THE PARALLEL SESSION
! -----------------------------
!
IF (LCHECK) THEN
CALL MPPDB_BARRIER()
ELSE
CALL END_PARA_ll(IINFO_ll)
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#ifdef CPLOASIS
IF (LOASIS) THEN
CALL SFX_OASIS_END
END IF
#endif
!
!-------------------------------------------------------------------------------
!
!callabortstop
!CALL ABORT
STOP
!
END PROGRAM MESONH