145 lines
6.9 KiB
Fortran
Executable File
145 lines
6.9 KiB
Fortran
Executable File
MODULE usrdef_nam
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!!======================================================================
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!! *** MODULE usrdef_nam ***
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!!
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!! === DOME configuration ===
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!!
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!! User defined : set the domain characteristics of a user configuration
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!!======================================================================
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!! History : NEMO ! 2020-12 (J. Chanut) Original code
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!!----------------------------------------------------------------------
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!!----------------------------------------------------------------------
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!! usr_def_nam : read user defined namelist and set global domain size
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!! usr_def_hgr : initialize the horizontal mesh
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!!----------------------------------------------------------------------
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USE dom_oce
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USE par_oce ! ocean space and time domain
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USE phycst ! physical constants
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!
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USE in_out_manager ! I/O manager
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USE lib_mpp ! MPP library
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USE timing ! Timing
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IMPLICIT NONE
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PRIVATE
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PUBLIC usr_def_nam ! called by nemogcm.F90
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! !!* namusr_def namelist *!!
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REAL(wp), PUBLIC :: rn_dx ! resolution in meters defining the horizontal domain size
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REAL(wp), PUBLIC :: rn_dy ! resolution in meters defining the horizontal domain size
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REAL(wp), PUBLIC :: rn_dz ! vertical resolution
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REAL(wp), PUBLIC :: rn_f0 ! Coriolis frequency
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!!----------------------------------------------------------------------
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!! NEMO/OCE 4.0 , NEMO Consortium (2018)
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!! $Id: usrdef_nam.F90 14086 2020-12-04 11:37:14Z cetlod $
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!! Software governed by the CeCILL license (see ./LICENSE)
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!!----------------------------------------------------------------------
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CONTAINS
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SUBROUTINE usr_def_nam( cd_cfg, kk_cfg, kpi, kpj, kpk, ldIperio, ldJperio, ldNFold, cdNFtype )
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!!----------------------------------------------------------------------
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!! *** ROUTINE dom_nam ***
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!!
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!! ** Purpose : read user defined namelist and define the domain size
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!!
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!! ** Method : read in namusr_def containing all the user specific namelist parameter
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!!
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!! Here DOME configuration
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!!
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!! ** input : - namusr_def namelist found in namelist_cfg
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!!----------------------------------------------------------------------
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CHARACTER(len=*), INTENT(out) :: cd_cfg ! configuration name
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INTEGER , INTENT(out) :: kk_cfg ! configuration resolution
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INTEGER , INTENT(out) :: kpi, kpj, kpk ! global domain sizes
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LOGICAL , INTENT(out) :: ldIperio, ldJperio ! i- and j- periodicity
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LOGICAL , INTENT(out) :: ldNFold ! North pole folding
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CHARACTER(len=1), INTENT(out) :: cdNFtype ! Folding type: T or F
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!
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INTEGER :: ios ! Local integer
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INTEGER :: ighost_w, ighost_e, ighost_s, ighost_n
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REAL(wp):: zlx, zly, zh ! Local scalars
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!!
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NAMELIST/namusr_def/ ln_zco, ln_zps, ln_sco, rn_dx, rn_dz, rn_f0
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!!----------------------------------------------------------------------
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!
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READ ( numnam_cfg, namusr_def, IOSTAT = ios, ERR = 902 )
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902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namusr_def in configuration namelist' )
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!
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rn_dy = rn_dx
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#if defined key_agrif
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! Domain parameters are taken from parent:
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IF( .NOT. Agrif_Root() ) THEN
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rn_dx = Agrif_Parent(rn_dx)/Agrif_Rhox()
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rn_dy = Agrif_Parent(rn_dy)/Agrif_Rhoy()
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rn_f0 = Agrif_Parent(rn_f0)
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ENDIF
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#endif
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!
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IF(lwm) WRITE( numond, namusr_def )
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!
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cd_cfg = 'DOME' ! name & resolution (not used)
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kk_cfg = nINT( rn_dx )
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!
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#if defined key_agrif
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IF( Agrif_Root() ) THEN ! Global Domain size: DOME global domain is 2000 km x 850 Km x 3600 m
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#endif
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kpi = NINT( 2000.e3 / rn_dx ) + 2
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kpj = NINT( 850.e3 / rn_dy ) + 2 + 1
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#if defined key_agrif
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ELSE ! Global Domain size: add nbghostcells + 1 "land" point on each side
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! At this stage, child ghosts have not been set
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ighost_w = nbghostcells
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ighost_e = nbghostcells
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ighost_s = nbghostcells
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ighost_n = nbghostcells
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! In case one sets zoom boundaries over domain edges:
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IF ( Agrif_Ix() == 2 - Agrif_Parent(nbghostcells_x_w) ) ighost_w = 1
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IF ( Agrif_Ix() + nbcellsx/AGRIF_Irhox() == Agrif_Parent(Ni0glo)-Agrif_Parent(nbghostcells_x_w) ) ighost_e = 1
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IF ( Agrif_Iy() == 2 - Agrif_Parent(nbghostcells_y_s) ) ighost_s = 1
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IF ( Agrif_Iy() + nbcellsy/AGRIF_Irhoy() == Agrif_Parent(Nj0glo)-Agrif_Parent(nbghostcells_y_s) ) ighost_n = 1
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kpi = nbcellsx + ighost_w + ighost_e
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kpj = nbcellsy + ighost_s + ighost_n
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!! JC: number of ghosts are unknown at this stage !
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!!$ kpi = nbcellsx + nbghostcells_x_w + nbghostcells_x_e
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!!$ kpj = nbcellsy + nbghostcells_y_s + nbghostcells_y_n
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ENDIF
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#endif
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kpk = NINT( 3600._wp / rn_dz ) + 1
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!
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zlx = (kpi-2)*rn_dx*1.e-3
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zly = (kpj-2-1)*rn_dy*1.e-3
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zh = (kpk-1)*rn_dz
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! ! Set the lateral boundary condition of the global domain
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ldIperio = .FALSE. ; ldJperio = .FALSE. ! DOME configuration : closed domain
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ldNFold = .FALSE. ; cdNFtype = '-'
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!
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! ! control print
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IF(lwp) THEN
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WRITE(numout,*) ' '
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WRITE(numout,*) 'usr_def_nam : read the user defined namelist (namusr_def) in namelist_cfg'
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WRITE(numout,*) '~~~~~~~~~~~ '
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WRITE(numout,*) ' Namelist namusr_def : DOME test case'
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WRITE(numout,*) ' z-coordinate flag ln_zco = ', ln_zco
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WRITE(numout,*) ' z-partial-step coordinate flag ln_zps = ', ln_zps
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WRITE(numout,*) ' s-coordinate flag ln_sco = ', ln_sco
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WRITE(numout,*) ' horizontal resolution rn_dx = ', rn_dx, ' m'
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WRITE(numout,*) ' vertical resolution rn_dz = ', rn_dz, ' m'
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WRITE(numout,*) ' resulting global domain size : Ni0glo = ', kpi
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WRITE(numout,*) ' Nj0glo = ', kpj
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WRITE(numout,*) ' jpkglo = ', kpk
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WRITE(numout,*) ' DOME domain: '
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WRITE(numout,*) ' LX [km]: ', zlx
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WRITE(numout,*) ' LY [km]: ', zly
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WRITE(numout,*) ' H [m] : ', zh
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WRITE(numout,*) ' Coriolis frequency rn_f0 = ', rn_f0, ' s-1'
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WRITE(numout,*) ' '
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ENDIF
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!
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END SUBROUTINE usr_def_nam
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!!======================================================================
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END MODULE usrdef_nam
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