Skip to content
Snippets Groups Projects
Commit 259735fc authored by RODIER Quentin's avatar RODIER Quentin
Browse files

Quentin 15/02/2022: Merge from main commit bea2f224 + use mode compute_frac_ice

parent 388ce7aa
Branches
Tags
No related merge requests found
Hide whitespace changes
Inline Side-by-side
src/mesonh/turb/th_r_from_thl_rt_1d.f90 0 → 100644
+ 203
− 0
View file @ 259735fc
!MNH_LIC Copyright 2006-2021 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.
!-----------------------------------------------------------------
! ######spl
MODULE MODI_TH_R_FROM_THL_RT_1D
! ###############################
!
INTERFACE
SUBROUTINE TH_R_FROM_THL_RT_1D(HFRAC_ICE,PFRAC_ICE,PP, &
PTHL, PRT, PTH, PRV, PRL, PRI, &
PRSATW, PRSATI, PRR, PRS, PRG, PRH )
CHARACTER(len=1), INTENT(IN) :: HFRAC_ICE
REAL, DIMENSION(:), INTENT(INOUT) :: PFRAC_ICE
REAL, DIMENSION(:), INTENT(IN) :: PP ! Pressure
REAL, DIMENSION(:), INTENT(IN) :: PTHL ! Liquid pot. temp.
REAL, DIMENSION(:), INTENT(IN) :: PRT ! Total mixing ratios
REAL, DIMENSION(:),OPTIONAL,INTENT(IN) :: PRR, PRS, PRG, PRH
REAL, DIMENSION(:), INTENT(OUT):: PTH ! Potential temp.
REAL, DIMENSION(:), INTENT(OUT):: PRV ! vapor mixing ratio
REAL, DIMENSION(:), INTENT(INOUT):: PRL ! cloud mixing ratio
REAL, DIMENSION(:), INTENT(INOUT):: PRI ! ice mixing ratio
REAL, DIMENSION(:), INTENT(OUT) :: PRSATW ! estimated mixing ration at saturation over water
REAL, DIMENSION(:), INTENT(OUT) :: PRSATI ! estimated mixing ration at saturation over ice
END SUBROUTINE TH_R_FROM_THL_RT_1D
END INTERFACE
END MODULE MODI_TH_R_FROM_THL_RT_1D
! ######spl
SUBROUTINE TH_R_FROM_THL_RT_1D(HFRAC_ICE,PFRAC_ICE,PP, &
PTHL, PRT, PTH, PRV, PRL, PRI, &
PRSATW, PRSATI, PRR, PRS, PRG, PRH )
! #################################################################
!
!
!!**** *TH_R_FROM_THL_RT_1D* - computes the non-conservative variables
!! from conservative variables
!!
!! PURPOSE
!! -------
!!
!!** METHOD
!! ------
!!
!!
!! EXTERNAL
!! --------
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!!
!!
!! REFERENCE
!! ---------
!!
!! AUTHOR
!! ------
!! Julien PERGAUD * Meteo-France *
!!
!! MODIFICATIONS
!! -------------
!! Original 13/03/06
!! S. Riette April 2011 : ice added, allow ZRLTEMP to be negative
!! we use dQsat/dT to help convergence
!! use of optional PRR, PRS, PRG, PRH
!! S. Riette Nov 2016: support for HFRAC_ICE='S'
!!
!! --------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODE_COMPUTE_FRAC_ICE, ONLY : COMPUTE_FRAC_ICE
USE MODD_CST
USE MODD_DYN_n, ONLY : LOCEAN
USE MODE_THERMO
!
IMPLICIT NONE
!
!
!* 0.1 declarations of arguments
!
CHARACTER(len=1), INTENT(IN) :: HFRAC_ICE
REAL, DIMENSION(:), INTENT(INOUT) :: PFRAC_ICE
REAL, DIMENSION(:), INTENT(IN) :: PP ! Pressure
REAL, DIMENSION(:), INTENT(IN) :: PTHL ! thetal to transform into th
REAL, DIMENSION(:),INTENT(IN) :: PRT ! Total mixing ratios to transform into rv,rc and ri
REAL, DIMENSION(:),OPTIONAL,INTENT(IN) :: PRR, PRS, PRG, PRH
REAL, DIMENSION(:), INTENT(OUT):: PTH ! th
REAL, DIMENSION(:), INTENT(OUT):: PRV ! vapor mixing ratio
REAL, DIMENSION(:), INTENT(INOUT):: PRL ! vapor mixing ratio
REAL, DIMENSION(:), INTENT(INOUT):: PRI ! vapor mixing ratio
REAL, DIMENSION(:), INTENT(OUT) :: PRSATW ! estimated mixing ration at saturation over water
REAL, DIMENSION(:), INTENT(OUT) :: PRSATI ! estimated mixing ration at saturation over ice
!
!-------------------------------------------------------------------------------
!
! 0.2 declaration of local variables
INTEGER :: II ! Loop control
INTEGER :: JITER ! number of iterations
REAL, DIMENSION(SIZE(PTHL,1)) :: ZEXN
REAL, DIMENSION(SIZE(PTHL,1)) :: ZRVSAT,ZCPH,ZRLTEMP,ZCPH2
REAL, DIMENSION(SIZE(PTHL,1)) :: ZT,ZLVOCPEXN,ZLSOCPEXN
REAL, DIMENSION(SIZE(PTHL,1)) :: ZDRSATODT,ZDRSATODTW,ZDRSATODTI
REAL, DIMENSION(SIZE(PTHL,1)) :: ZFOESW, ZFOESI
!----------------------------------------------------------------------------
!
!* 1 Initialisation
! --------------
!
!
!
!Number of iterations
JITER=2
!
!Computation of ZCPH2 depending on dummy arguments received
ZCPH2(:)=0
IF(PRESENT(PRR)) ZCPH2(:)=ZCPH2(:) + XCL*PRR(:)
IF(PRESENT(PRS)) ZCPH2(:)=ZCPH2(:) + XCI*PRS(:)
IF(PRESENT(PRG)) ZCPH2(:)=ZCPH2(:) + XCI*PRG(:)
IF(PRESENT(PRH)) ZCPH2(:)=ZCPH2(:) + XCI*PRH(:)
!
!Computation of an approximate state thanks to PRL and PRI guess
ZEXN(:)=(PP(:)/XP00) ** (XRD/XCPD)
ZT(:)=PTHL(:)*ZEXN(:)
PRV(:)=PRT(:)-PRL(:)-PRI(:)
ZCPH(:)=XCPD+ XCPV * PRV(:)+ XCL * PRL(:) + XCI * PRI(:) + ZCPH2(:)
ZLVOCPEXN(:) = (XLVTT + (XCPV-XCL) * (ZT(:)-XTT)) &
/(ZCPH(:)*ZEXN(:))
ZLSOCPEXN(:) = (XLSTT + (XCPV-XCI) * (ZT(:)-XTT)) &
/(ZCPH(:)*ZEXN(:))
PTH(:)=PTHL(:)+ZLVOCPEXN(:)*PRL(:)+ZLSOCPEXN(:)*PRI(:)
!
!
! 2 Iteration
! ---------
DO II=1,JITER
IF (LOCEAN) THEN
ZT=PTH
ELSE
ZT(:)=PTH(:)*ZEXN(:)
END IF
!Computation of liquid/ice fractions
PFRAC_ICE(:) = 0.
WHERE(PRL(:)+PRI(:) > 1.E-20)
PFRAC_ICE(:) = PRI(:) / (PRL(:)+PRI(:))
ENDWHERE
CALL COMPUTE_FRAC_ICE(SIZE(PFRAC_ICE,1),HFRAC_ICE,PFRAC_ICE(:),ZT(:))
!Computation of Rvsat and dRsat/dT
!In this version QSAT, QSATI, DQSAT and DQASATI functions are not used
!due to performance issue
ZFOESW(:) = MIN(EXP( XALPW - XBETAW/ZT(:) - XGAMW*LOG(ZT(:)) ), 0.99*PP(:))
ZFOESI(:) = MIN(EXP( XALPI - XBETAI/ZT(:) - XGAMI*LOG(ZT(:)) ), 0.99*PP(:))
PRSATW(:) = XRD/XRV*ZFOESW(:)/PP(:) / (1.+(XRD/XRV-1.)*ZFOESW(:)/PP(:))
PRSATI(:) = XRD/XRV*ZFOESI(:)/PP(:) / (1.+(XRD/XRV-1.)*ZFOESI(:)/PP(:))
ZDRSATODTW(:) = PRSATW(:) / (1.+(XRD/XRV-1.)*ZFOESW(:)/PP(:) ) &
* (XBETAW/ZT(:)**2 - XGAMW/ZT(:))*(1+PRT(:))
ZDRSATODTI(:) = PRSATI(:) / (1.+(XRD/XRV-1.)*ZFOESI(:)/PP(:) ) &
* (XBETAI/ZT(:)**2 - XGAMI/ZT(:))*(1+PRT(:))
!PRSATW(:) = QSAT(ZT(:),PP(:)) !qsatw
!PRSATI(:) = QSATI(ZT(:),PP(:)) !qsati
!ZDRSATODTW(:) = DQSAT(ZT(:),PP(:),PRSATW(:))*(1+PRT(:))
!ZDRSATODTI(:) = DQSATI(ZT(:),PP(:),PRSATI(:))*(1+PRT(:))
PRSATW(:) = PRSATW(:)*(1+PRT(:))
PRSATI(:) = PRSATI(:)*(1+PRT(:))
ZRVSAT(:) = PRSATW(:)*(1-PFRAC_ICE(:)) + PRSATI(:)*PFRAC_ICE(:)
ZDRSATODT(:) = (ZDRSATODTW(:)*(1-PFRAC_ICE(:))+ &
& ZDRSATODTI(:)*PFRAC_ICE(:))
!Computation of new PRL, PRI and PRV
!Correction term applied to (PRV(:)-ZRVSAT(:)) is computed assuming that
!ZLVOCPEXN, ZLSOCPEXN and ZCPH don't vary to much with T. It takes into account
!the variation (estimated linear) of Qsat with T
ZRLTEMP(:)=(PRV(:)-ZRVSAT(:))/ &
&(1 + ZDRSATODT(:)*ZEXN(:)* &
& (ZLVOCPEXN(:)*(1-PFRAC_ICE(:))+ZLSOCPEXN(:)*PFRAC_ICE(:)))
ZRLTEMP(:)=MIN(MAX(-PRL(:)-PRI(:), ZRLTEMP(:)),PRV(:))
PRV(:)=PRV(:)-ZRLTEMP(:)
PRL(:)=PRL(:)+PRI(:)+ZRLTEMP(:)
PRI(:)=PFRAC_ICE(:) * (PRL(:))
PRL(:)=(1-PFRAC_ICE(:)) * (PRT(:) - PRV(:))
!Computation of Cph (as defined in Meso-NH doc, equation 2.2, to be used with mixing ratios)
ZCPH(:)=XCPD+ XCPV * PRV(:)+ XCL * PRL(:) + XCI * PRI(:) + ZCPH2(:)
!Computation of L/Cph/EXN, then new PTH
ZLVOCPEXN(:) = (XLVTT + (XCPV-XCL) * (ZT(:)-XTT)) &
/(ZCPH(:)*ZEXN(:))
ZLSOCPEXN(:) = (XLSTT + (XCPV-XCI) * (ZT(:)-XTT)) &
/(ZCPH(:)*ZEXN(:))
PTH(:)=PTHL(:)+ZLVOCPEXN(:)*PRL(:)+ZLSOCPEXN(:)*PRI(:)
!Computation of estimated mixing ration at saturation
!To compute the adjustement a first order development was used
PRSATW(:)=PRSATW(:) + ZDRSATODTW(:)*(PTH(:)*ZEXN(:)-ZT(:))
PRSATI(:)=PRSATI(:) + ZDRSATODTI(:)*(PTH(:)*ZEXN(:)-ZT(:))
ENDDO
END SUBROUTINE TH_R_FROM_THL_RT_1D
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Please register or to comment

Documentation | Mentions légales | CGU | Accessibilité : non conforme