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!MNH_LIC Copyright 1994-2014 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.
MODULE MODE_EXTRAPOL
INTERFACE EXTRAPOL
MODULE PROCEDURE EXTRAPOL3D,EXTRAPOL3DN,EXTRAPOL2D,EXTRAPOL2DN
END INTERFACE
INTERFACE EXTRAPOL_ON_PSEUDO_HALO
MODULE PROCEDURE EXTRAPOL_ON_PSEUDO_HALO3D,EXTRAPOL_ON_PSEUDO_HALO2D
END INTERFACE
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CONTAINS
SUBROUTINE EXTRAPOL3D(HBORD,PTAB)
USE MODD_LBC_n
USE MODE_ll
!
IMPLICIT NONE
!
!* 0.1 Declarations of arguments
!
CHARACTER :: HBORD
REAL, DIMENSION(:,:,:) :: PTAB
!
!* 0.2 Declarations of local variables
!
INTEGER :: IIB,IJB,IKB ! Begining useful area in x,y,z directions
INTEGER :: IIE,IJE,IKE ! End useful area in x,y,z directions
!
!-------------------------------------------------------------------------------
!
!* 1. EXTRAPOLE LATERAL BOUNDARY CONDITIONS :
! ---------------------------------------
!
!RETURN
CALL GET_INDICE_ll (IIB,IJB,IIE,IJE)
SELECT CASE (HBORD)
CASE ('W')
IF (LWEST_ll() .AND. CLBCX(1)/='CYCL') &
PTAB(IIB-1,:,:) = 2. * PTAB(IIB,:,:) - PTAB(IIB+1,:,:)
CASE ('E')
IF (LEAST_ll() .AND. CLBCX(1)/='CYCL') &
PTAB(IIE+1,:,:) = 2. * PTAB(IIE,:,:) - PTAB(IIE-1,:,:)
CASE ('S')
IF (LSOUTH_ll() .AND. CLBCY(1)/='CYCL') &
PTAB(:,IJB-1,:) = 2. * PTAB(:,IJB,:) - PTAB(:,IJB+1,:)
CASE ('N')
IF (LNORTH_ll() .AND. CLBCY(1)/='CYCL') &
PTAB(:,IJE+1,:) = 2. * PTAB(:,IJE,:) - PTAB(:,IJE-1,:)
CASE DEFAULT
END SELECT
END SUBROUTINE EXTRAPOL3D
SUBROUTINE EXTRAPOL3DN(HBORD,P1,P2,P3,P4,P5,P6 )
IMPLICIT NONE
CHARACTER :: HBORD
REAL, DIMENSION(:,:,:) :: P1,P2
REAL, DIMENSION(:,:,:) , OPTIONAL :: P3,P4,P5,P6
CALL EXTRAPOL(HBORD,P1)
CALL EXTRAPOL(HBORD,P2)
IF (PRESENT(P3)) CALL EXTRAPOL(HBORD,P3)
IF (PRESENT(P4)) CALL EXTRAPOL(HBORD,P4)
IF (PRESENT(P5)) CALL EXTRAPOL(HBORD,P5)
IF (PRESENT(P6)) CALL EXTRAPOL(HBORD,P6)
END SUBROUTINE EXTRAPOL3DN
SUBROUTINE EXTRAPOL2D(HBORD,PTAB)
USE MODD_LBC_n
USE MODE_ll
!
IMPLICIT NONE
!
!* 0.1 Declarations of arguments
!
CHARACTER :: HBORD
REAL, DIMENSION(:,:) :: PTAB
!
!* 0.2 Declarations of local variables
!
INTEGER :: IIB,IJB ! Begining useful area in x,y,z directions
INTEGER :: IIE,IJE ! End useful area in x,y,z directions
!
!-------------------------------------------------------------------------------
!
!* 1. EXTRAPOLE LATERAL BOUNDARY CONDITIONS :
! ---------------------------------------
!
!RETURN
CALL GET_INDICE_ll (IIB,IJB,IIE,IJE)
SELECT CASE (HBORD)
CASE ('W')
IF (LWEST_ll() .AND. CLBCX(1)/='CYCL') &
PTAB(IIB-1,:) = 2. * PTAB(IIB,:) - PTAB(IIB+1,:)
CASE ('E')
IF (LEAST_ll() .AND. CLBCX(1)/='CYCL') &
PTAB(IIE+1,:) = 2. * PTAB(IIE,:) - PTAB(IIE-1,:)
CASE ('S')
IF (LSOUTH_ll() .AND. CLBCY(1)/='CYCL') &
PTAB(:,IJB-1) = 2. * PTAB(:,IJB) - PTAB(:,IJB+1)
CASE ('N')
IF (LNORTH_ll() .AND. CLBCY(1)/='CYCL') &
PTAB(:,IJE+1) = 2. * PTAB(:,IJE) - PTAB(:,IJE-1)
CASE DEFAULT
END SELECT
END SUBROUTINE EXTRAPOL2D
SUBROUTINE EXTRAPOL2DN(HBORD,P1,P2,P3,P4,P5,P6 )
IMPLICIT NONE
CHARACTER :: HBORD
REAL, DIMENSION(:,:) :: P1,P2
REAL, DIMENSION(:,:) , OPTIONAL :: P3,P4,P5,P6
CALL EXTRAPOL(HBORD,P1)
CALL EXTRAPOL(HBORD,P2)
IF (PRESENT(P3)) CALL EXTRAPOL(HBORD,P3)
IF (PRESENT(P4)) CALL EXTRAPOL(HBORD,P4)
IF (PRESENT(P5)) CALL EXTRAPOL(HBORD,P5)
IF (PRESENT(P6)) CALL EXTRAPOL(HBORD,P6)
END SUBROUTINE EXTRAPOL2DN
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! #######################################################################
SUBROUTINE EXTRAPOL_ON_PSEUDO_HALO3D(PTAB,OCYCLIC_EXTRAPOL)
! #######################################################################
!
!!**** *EXTRAPOL_ON_PSEUDO_HALO3D * - when using LS_FORCING_ll with a
!! child domain defined on the whole father domain (possibly minus 1 point)
!! we need to extrapolate the field on the child model before doing the interpolation
!! from the father grid to the child grid
!!
!! AUTHOR
!! ------
!!
!! M.Moge * LA - CNRS *
!!
!! MODIFICATIONS
!! -------------
!!
!! Original 18/02/2015
!-------------------------------------------------------------------------------
USE MODD_LBC_n
USE MODE_MODELN_HANDLER
USE MODE_ll
USE MODD_PARAMETERS, ONLY : JPHEXT
USE MODE_EXCHANGE_ll, ONLY : UPDATE_HALO_EXTENDED_ll
!
IMPLICIT NONE
!
!* 0.1 Declarations of arguments
!
REAL, DIMENSION(:,:,:), INTENT(INOUT) :: PTAB
LOGICAL, OPTIONAL, INTENT(IN) :: OCYCLIC_EXTRAPOL !if true, we consider the cyclic case if necessary, if false, we do the extrapolation even in the cyclic case
!
!* 0.2 Declarations of local variables
!
INTEGER :: IIB,IJB,IKB ! Begining useful area in x,y,z directions
INTEGER :: IIE,IJE,IKE ! End useful area in x,y,z directions
INTEGER :: IDIMX_C,IDIMY_C ! size of the child domain (in the father grid)
INTEGER :: IINFO_ll
INTEGER :: II
TYPE(LIST_ll), POINTER :: TZZSFIELD_ll ! list of fields to exchange
LOGICAL :: GCYCLIC_EXTRAPOL
!
!-------------------------------------------------------------------------------
!
!* 1. EXTRAPOLATE LATERAL BOUNDARY CONDITIONS :
! ---------------------------------------
!
IF ( PRESENT(OCYCLIC_EXTRAPOL) ) THEN
GCYCLIC_EXTRAPOL = OCYCLIC_EXTRAPOL
ELSE
GCYCLIC_EXTRAPOL = .TRUE.
ENDIF
!
CALL GOTO_MODEL(1)
CALL GO_TOMODEL_ll(1, IINFO_ll)
CALL GET_CHILD_DIM_ll(2, IDIMX_C, IDIMY_C, IINFO_ll)
CALL GET_INDICE_ll (IIB,IJB,IIE,IJE)
CALL GO_TOMODEL_ll(2, IINFO_ll)
CALL GOTO_MODEL(2)
! if the child domain has the same size as the father domain in X or Y
! AND the boundary conditions are CYCLIC in the corresponding direction
! we perform an UPDATE_HALO_ll instead of an extrapolation
IF ( GCYCLIC_EXTRAPOL .AND. ( ((IDIMX_C > IIE - IIB + 1 + 2*JPHEXT) .AND. CLBCX(1)=='CYCL' ) .OR. ((IDIMY_C > IJE - IJB + 1 + 2*JPHEXT) .AND. CLBCY(1)=='CYCL') ) ) THEN
CALL GOTO_MODEL(1)
CALL GO_TOMODEL_ll(1, IINFO_ll)
DO II=1,SIZE(PTAB,3)
NULLIFY(TZZSFIELD_ll)
CALL ADD2DFIELD_ll(TZZSFIELD_ll, PTAB(:,:,II))
CALL UPDATE_HALO_EXTENDED_ll(TZZSFIELD_ll,IINFO_ll)
CALL CLEANLIST_ll(TZZSFIELD_ll)
ENDDO
CALL GO_TOMODEL_ll(2, IINFO_ll)
CALL GOTO_MODEL(2)
ENDIF
!
!we take into account the case of a child domain of the size of the father domain minus 1
IF ( IDIMX_C > IIE - IIB + 1 + 2*JPHEXT ) THEN
IF ( IDIMX_C == IIE - IIB + 3 + 2*JPHEXT ) THEN !the child domain has the same size as the father domain
IF ( LWEST_ll() .AND. (CLBCX(1)/='CYCL' .OR. .NOT. GCYCLIC_EXTRAPOL) ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
PTAB(1,:,:) = 2. * PTAB(2,:,:) - PTAB(3,:,:)
ENDIF
IF ( LEAST_ll() .AND. (CLBCX(1)/='CYCL' .OR. .NOT. GCYCLIC_EXTRAPOL) ) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
PTAB(IDIMX_C,:,:) = 2. * PTAB(IDIMX_C-1,:,:) - PTAB(IDIMX_C-2,:,:)
ENDIF
ELSEIF ( IDIMX_C == IIE - IIB + 2 + 2*JPHEXT ) THEN !the child domain has the size of the father domain minus one
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO3D, case not supported : the child grid has to be one point larger or one point smaller in X dim"
CALL ABORT
! IF ( IIB>1 .AND. LWEST_ll() .AND. CLBCX(1)/='CYCL' ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(1,:,:) = 2. * PTAB(2,:,:) - PTAB(3,:,:)
! ELSEIF ( IIB>1 .AND. LWEST_ll() .AND. CLBCX(1)=='CYCL' ) THEN
! PTAB(1,:,:) = PTAB(IDIMX_C-1,:,:)
! ENDIF
! IF ( IIB==1 .AND. LEAST_ll() .AND. CLBCX(1)/='CYCL' ) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(IDIMX_C,:,:) = 2. * PTAB(IDIMX_C-1,:,:) - PTAB(IDIMX_C-2,:,:)
! ELSEIF ( IIB==1 .AND. LEAST_ll() .AND. CLBCX(1)=='CYCL' ) THEN
! PTAB(IDIMX_C,:,:) = PTAB(2,:,:)
! ENDIF
ELSE !Error, this should not happen
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO3D, IDIMX_C = ", IDIMX_C, ", IIE - IIB + 1 + 2*JPHEXT = ", IIE - IIB + 1 + 2*JPHEXT
CALL ABORT
ENDIF
ENDIF
IF ( IDIMY_C > IJE - IJB + 1 + 2*JPHEXT ) THEN
IF ( IDIMY_C == IJE - IJB + 3 + 2*JPHEXT ) THEN !the child domain has the same size as the father domain
IF ( LNORTH_ll() .AND. (CLBCY(1)/='CYCL' .OR. .NOT. GCYCLIC_EXTRAPOL) ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
PTAB(:,1,:) = 2. * PTAB(:,2,:) - PTAB(:,3,:)
ENDIF
IF ( LSOUTH_ll() .AND. (CLBCY(1)/='CYCL' ) .OR. .NOT. GCYCLIC_EXTRAPOL) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
PTAB(:,IDIMY_C,:) = 2. * PTAB(:,IDIMY_C-1,:) - PTAB(:,IDIMY_C-2,:)
ENDIF
ELSEIF ( IDIMY_C == IJE - IJB + 2 + 2*JPHEXT ) THEN !the child domain has the size of the father domain minus one
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO3D, case not supported : the child grid has to be one point larger or one point smaller in Y dim"
CALL ABORT
! IF ( IJB>1 .AND. LNORTH_ll() .AND. CLBCY(1)/='CYCL' ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(:,1,:) = 2. * PTAB(:,2,:) - PTAB(:,3,:)
! ELSEIF ( IJB>1 .AND. LNORTH_ll() .AND. CLBCY(1)=='CYCL' ) THEN
! PTAB(:,1,:) = PTAB(:,IDIMY_C-1,:)
! ENDIF
! IF ( IJB==1 .AND. LSOUTH_ll() .AND. CLBCY(1)/='CYCL' ) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(:,IDIMY_C,:) = 2. * PTAB(:,IDIMY_C-1,:) - PTAB(:,IDIMY_C-2,:)
! ELSEIF ( IJB==1 .AND. LSOUTH_ll() .AND. CLBCY(1)=='CYCL' ) THEN
! PTAB(:,IDIMY_C,:) = PTAB(:,2,:)
! ENDIF
ELSE !Error, this should not happen
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO3D, IDIMY_C = ", IDIMY_C, ", IIE - IIB + 1 + 2*JPHEXT = ", IIE - IIB + 1 + 2*JPHEXT
CALL ABORT
ENDIF
ENDIF
!
END SUBROUTINE EXTRAPOL_ON_PSEUDO_HALO3D
! #######################################################################
SUBROUTINE EXTRAPOL_ON_PSEUDO_HALO2D(PTAB,OCYCLIC_EXTRAPOL)
! #######################################################################
!
!!**** *EXTRAPOL_ON_PSEUDO_HALO2D * - when using LS_FORCING_ll with a
!! child domain defined on the whole father domain (possibly minus 1 point)
!! we need to extrapolate the field on the child model before doing the interpolation
!! from the father grid to the child grid
!!
!! AUTHOR
!! ------
!!
!! M.Moge * LA - CNRS *
!!
!! MODIFICATIONS
!! -------------
!!
!! Original 18/02/2015
!-------------------------------------------------------------------------------
USE MODD_LBC_n
USE MODE_MODELN_HANDLER
USE MODE_ll
USE MODD_PARAMETERS, ONLY : JPHEXT
USE MODE_EXCHANGE_ll, ONLY : UPDATE_HALO_EXTENDED_ll
!
IMPLICIT NONE
!
!* 0.1 Declarations of arguments
!
REAL, DIMENSION(:,:), INTENT(INOUT) :: PTAB
LOGICAL, OPTIONAL, INTENT(IN) :: OCYCLIC_EXTRAPOL !if true, we consider the cyclic case if necessary, if false, we do the extrapolation even in the cyclic case
!
!* 0.2 Declarations of local variables
!
INTEGER :: IIB,IJB,IKB ! Begining useful area in x,y,z directions
INTEGER :: IIE,IJE,IKE ! End useful area in x,y,z directions
INTEGER :: IDIMX_C,IDIMY_C ! size of the child domain (in the father grid)
INTEGER :: IINFO_ll
TYPE(LIST_ll), POINTER :: TZZSFIELD_ll ! list of fields to exchange
LOGICAL :: GCYCLIC_EXTRAPOL
!
!-------------------------------------------------------------------------------
!
!* 1. EXTRAPOLATE LATERAL BOUNDARY CONDITIONS :
! ---------------------------------------
!
IF ( PRESENT(OCYCLIC_EXTRAPOL) ) THEN
GCYCLIC_EXTRAPOL = OCYCLIC_EXTRAPOL
ELSE
GCYCLIC_EXTRAPOL = .TRUE.
ENDIF
!
CALL GOTO_MODEL(1)
CALL GO_TOMODEL_ll(1, IINFO_ll)
CALL GET_CHILD_DIM_ll(2, IDIMX_C, IDIMY_C, IINFO_ll)
CALL GET_INDICE_ll (IIB,IJB,IIE,IJE)
CALL GO_TOMODEL_ll(2, IINFO_ll)
CALL GOTO_MODEL(2)
! if the child domain has the same size as the father domain in X or Y
! AND the boundary conditions are CYCLIC in the corresponding direction
! we perform an UPDATE_HALO_ll instead of an extrapolation
IF ( GCYCLIC_EXTRAPOL .AND. ( ((IDIMX_C > IIE - IIB + 1 + 2*JPHEXT) .AND. CLBCX(1)=='CYCL' ) .OR. ((IDIMY_C > IJE - IJB + 1 + 2*JPHEXT) .AND. CLBCY(1)=='CYCL') ) ) THEN
CALL GOTO_MODEL(1)
CALL GO_TOMODEL_ll(1, IINFO_ll)
NULLIFY(TZZSFIELD_ll)
CALL ADD2DFIELD_ll(TZZSFIELD_ll, PTAB)
CALL UPDATE_HALO_EXTENDED_ll(TZZSFIELD_ll,IINFO_ll)
CALL CLEANLIST_ll(TZZSFIELD_ll)
CALL GO_TOMODEL_ll(2, IINFO_ll)
CALL GOTO_MODEL(2)
ENDIF
!
!we take into account the case of a child domain of the size of the father domain minus 1
IF ( IDIMX_C > IIE - IIB + 1 + 2*JPHEXT ) THEN
IF ( IDIMX_C == IIE - IIB + 3 + 2*JPHEXT ) THEN !the child domain has the same size as the father domain
IF ( LWEST_ll() .AND. (CLBCX(1)/='CYCL' .OR. .NOT. GCYCLIC_EXTRAPOL) ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
PTAB(1,:) = 2. * PTAB(2,:) - PTAB(3,:)
ENDIF
IF ( LEAST_ll() .AND. (CLBCX(1)/='CYCL' .OR. .NOT. GCYCLIC_EXTRAPOL) ) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
PTAB(IDIMX_C,:) = 2. * PTAB(IDIMX_C-1,:) - PTAB(IDIMX_C-2,:)
ENDIF
ELSEIF ( IDIMX_C == IIE - IIB + 2 + 2*JPHEXT ) THEN !the child domain has the size of the father domain minus one
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO2D, case not supported : the child grid has to be one point larger or one point smaller in X dim"
CALL ABORT
! IF ( IIB>1 .AND. LWEST_ll() .AND. CLBCX(1)/='CYCL' ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(1,:) = 2. * PTAB(2,:) - PTAB(3,:)
! ELSEIF ( IIB>1 .AND. LWEST_ll() .AND. CLBCX(1)=='CYCL' ) THEN
! PTAB(1,:) = PTAB(IDIMX_C-1,:)
! ENDIF
! IF ( IIB==1 .AND. LEAST_ll() .AND. CLBCX(1)/='CYCL' ) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(IDIMX_C,:) = 2. * PTAB(IDIMX_C-1,:) - PTAB(IDIMX_C-2,:)
! ELSEIF ( IIB==1 .AND. LEAST_ll() .AND. CLBCX(1)=='CYCL' ) THEN
! PTAB(IDIMX_C,:) = PTAB(2,:)
! ENDIF
ELSE !Error, this should not happen
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO2D, IDIMX_C = ", IDIMX_C, ", IIE - IIB + 1 + 2*JPHEXT = ", IIE - IIB + 1 + 2*JPHEXT
CALL ABORT
ENDIF
ENDIF
IF ( IDIMY_C > IJE - IJB + 1 + 2*JPHEXT ) THEN
IF ( IDIMY_C == IJE - IJB + 3 + 2*JPHEXT ) THEN !the child domain has the same size as the father domain
IF ( LNORTH_ll() .AND. (CLBCY(1)/='CYCL' .OR. .NOT. GCYCLIC_EXTRAPOL) ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
PTAB(:,1) = 2. * PTAB(:,2) - PTAB(:,3)
! ELSEIF ( LNORTH_ll() .AND. CLBCY(1)=='CYCL' ) THEN
! PTAB(:,1) = PTAB(:,IDIMY_C-1)
ENDIF
IF ( LSOUTH_ll() .AND. (CLBCY(1)/='CYCL' .OR. .NOT. GCYCLIC_EXTRAPOL) ) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
PTAB(:,IDIMY_C) = 2. * PTAB(:,IDIMY_C-1) - PTAB(:,IDIMY_C-2)
! ELSEIF ( LSOUTH_ll() .AND. CLBCY(1)=='CYCL' ) THEN
! PTAB(:,IDIMY_C) = PTAB(:,2)
ENDIF
ELSEIF ( IDIMY_C == IJE - IJB + 2 + 2*JPHEXT ) THEN !the child domain has the size of the father domain minus one
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO2D, case not supported : the child grid has to be one point larger or one point smaller in Y dim"
CALL ABORT
! IF ( IJB>1 .AND. LNORTH_ll() .AND. CLBCY(1)/='CYCL' ) THEN !du cote ouest, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(:,1) = 2. * PTAB(:,2) - PTAB(:,3)
! ELSEIF ( IJB>1 .AND. LNORTH_ll() .AND. CLBCY(1)=='CYCL' ) THEN
! PTAB(:,1) = PTAB(:,IDIMY_C-1)
! ENDIF
! IF ( IJB==1 .AND. LSOUTH_ll() .AND. CLBCY(1)/='CYCL' ) THEN !du cote est, on a un point dans le 'pseudo halo' a extrapoler
! PTAB(:,IDIMY_C) = 2. * PTAB(:,IDIMY_C-1) - PTAB(:,IDIMY_C-2)
! ELSEIF ( IJB==1 .AND. LSOUTH_ll() .AND. CLBCY(1)=='CYCL' ) THEN
! PTAB(:,IDIMY_C) = PTAB(:,2)
! ENDIF
ELSE !Error, this should not happen
WRITE(*,*) "ERROR in EXTRAPOL_ON_PSEUDO_HALO2D, IDIMY_C = ", IDIMY_C, ", IIE - IIB + 1 + 2*JPHEXT = ", IIE - IIB + 1 + 2*JPHEXT
CALL ABORT
ENDIF
ENDIF
!
END SUBROUTINE EXTRAPOL_ON_PSEUDO_HALO2D