diff --git a/src/MNH/tridiag_w.f90 b/src/MNH/tridiag_w.f90
index b31b2d19e5c0f05625ad34bc9608ba67b6d7a34e..f16bbd8ef6329be9fc390645c9804cb9babdf3c3 100644
--- a/src/MNH/tridiag_w.f90
+++ b/src/MNH/tridiag_w.f90
@@ -8,13 +8,13 @@
INTERFACE
!
SUBROUTINE TRIDIAG_W(PVARM,PF,PDFDDWDZ,PTSTEP, &
- PMZM_DZZ,PRHODJ,PVARP )
+ PMZF_DZZ,PRHODJ,PVARP )
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PVARM ! variable at t-1 at flux point
REAL, DIMENSION(:,:,:), INTENT(IN) :: PF ! flux in dT/dt=-dF/dz at mass point
-REAL, DIMENSION(:,:,:), INTENT(IN) :: PDFDDWDZ! dF/d(dT/dz) at mass point
+REAL, DIMENSION(:,:,:), INTENT(IN) :: PDFDDWDZ! dF/d(dW/dz) at mass point
REAL, INTENT(IN) :: PTSTEP ! Double time step
-REAL, DIMENSION(:,:,:), INTENT(IN) :: PMZM_DZZ! Dz at mass point
+REAL, DIMENSION(:,:,:), INTENT(IN) :: PMZF_DZZ! Dz at mass point
REAL, DIMENSION(:,:,:), INTENT(IN) :: PRHODJ ! (dry rho)*J at mass point
!
REAL, DIMENSION(:,:,:), INTENT(OUT):: PVARP ! variable at t+1 at flux point
@@ -30,7 +30,7 @@ END MODULE MODI_TRIDIAG_W
! #################################################
SUBROUTINE TRIDIAG_W(PVARM,PF,PDFDDWDZ,PTSTEP, &
- PMZM_DZZ,PRHODJ,PVARP)
+ PMZF_DZZ,PRHODJ,PVARP)
! #################################################
!
!
@@ -55,16 +55,16 @@ END MODULE MODI_TRIDIAG_W
!! (PRHODJ(k)+PRHODJ(k-1))/2.*PVARP(k)/PTSTEP
!! =
!! (PRHODJ(k)+PRHODJ(k-1))/2.*PVARM(k)/PTSTEP
-!! - PRHODJ(k) * PF(k )/PMZM_PDZZ(k )
-!! + PRHODJ(k-1) * PF(k-1)/PMZM_PDZZ(k-1)
-!! - PRHODJ(k) * PDFDDWDZ(k) * PVARP(k+1)/PMZM_DZZ(k)**2
-!! + PRHODJ(k) * PDFDDWDZ(k) * PVARP(k) /PMZM_DZZ(k)**2
-!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARP(k) /PMZM_DZZ(k-1)**2
-!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARP(k-1)/PMZM_DZZ(k-1)**2
-!! + PRHODJ(k) * PDFDDWDZ(k) * PVARM(k+1)/PMZM_DZZ(k)**2
-!! - PRHODJ(k) * PDFDDWDZ(k) * PVARM(k) /PMZM_DZZ(k)**2
-!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k) /PMZM_DZZ(k-1)**2
-!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k-1)/PMZM_DZZ(k-1)**2
+!! - PRHODJ(k) * PF(k )/PMZF_PDZZ(k )
+!! + PRHODJ(k-1) * PF(k-1)/PMZF_PDZZ(k-1)
+!! - PRHODJ(k) * PDFDDWDZ(k) * PVARP(k+1)/PMZF_DZZ(k)**2
+!! + PRHODJ(k) * PDFDDWDZ(k) * PVARP(k) /PMZF_DZZ(k)**2
+!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARP(k) /PMZF_DZZ(k-1)**2
+!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARP(k-1)/PMZF_DZZ(k-1)**2
+!! + PRHODJ(k) * PDFDDWDZ(k) * PVARM(k+1)/PMZF_DZZ(k)**2
+!! - PRHODJ(k) * PDFDDWDZ(k) * PVARM(k) /PMZF_DZZ(k)**2
+!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k) /PMZF_DZZ(k-1)**2
+!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k-1)/PMZF_DZZ(k-1)**2
!!
!!
!! The system to solve is:
@@ -75,12 +75,12 @@ END MODULE MODI_TRIDIAG_W
!! The RHS of the linear system in PVARP writes:
!!
!! y(k) = (PRHODJ(k)+PRHODJ(k-1))/2.*PVARM(k)/PTSTEP
-!! - PRHODJ(k) * PF(k )/PMZM_PDZZ(k )
-!! + PRHODJ(k-1) * PF(k-1)/PMZM_PDZZ(k-1)
-!! + PRHODJ(k) * PDFDDWDZ(k) * PVARM(k+1)/PMZM_DZZ(k)**2
-!! - PRHODJ(k) * PDFDDWDZ(k) * PVARM(k) /PMZM_DZZ(k)**2
-!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k) /PMZM_DZZ(k-1)**2
-!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k-1)/PMZM_DZZ(k-1)**2
+!! - PRHODJ(k) * PF(k )/PMZF_PDZZ(k )
+!! + PRHODJ(k-1) * PF(k-1)/PMZF_PDZZ(k-1)
+!! + PRHODJ(k) * PDFDDWDZ(k) * PVARM(k+1)/PMZF_DZZ(k)**2
+!! - PRHODJ(k) * PDFDDWDZ(k) * PVARM(k) /PMZF_DZZ(k)**2
+!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k) /PMZF_DZZ(k-1)**2
+!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k-1)/PMZF_DZZ(k-1)**2
!!
!!
!! Then, the classical TRIDIAGonal algorithm is used to invert the
@@ -98,22 +98,28 @@ END MODULE MODI_TRIDIAG_W
!! ikb and ike represent the first and the last inner mass levels of the
!! model. The coefficients are:
!!
-!! a(k) = + PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZM_DZZ(k-1)**2
+!! a(k) = + PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZF_DZZ(k-1)**2
!! b(k) = (PRHODJ(k)+PRHODJ(k-1))/2. / PTSTEP
-!! - PRHODJ(k) * PDFDDWDZ(k) /PMZM_DZZ(k)**2
-!! - PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZM_DZZ(k-1)**2
-!! c(k) = + PRHODJ(k) * PDFDDWDZ(k)/PMZM_DZZ(k)**2
+!! - PRHODJ(k) * PDFDDWDZ(k) /PMZF_DZZ(k)**2
+!! - PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZF_DZZ(k-1)**2
+!! c(k) = + PRHODJ(k) * PDFDDWDZ(k)/PMZF_DZZ(k)**2
!!
!! for all k /= ikb or ike
!!
+!! with the boundary conditions:
+!! PVARP(ikb-1) = PVARP(ikb)
+!! PVARP(ike+1) = 0.
+!!
+!! This induces:
!!
!! b(ikb) = (PRHODJ(ikb)+PRHODJ(ikb-1))/2. / PTSTEP
-!! - PRHODJ(ikb) * PDFDDWDZ(ikb) /PMZM_DZZ(ikb)**2
-!! c(ikb) = + PRHODJ(ikb) * PDFDDWDZ(ikb)/PMZM_DZZ(ikb)**2
+!! - PRHODJ(ikb) * PDFDDWDZ(ikb) /PMZF_DZZ(ikb)**2
+!! c(ikb) = + PRHODJ(ikb) * PDFDDWDZ(ikb)/PMZF_DZZ(ikb)**2
!!
!! b(ike) = (PRHODJ(ike)+PRHODJ(ike-1))/2. / PTSTEP
-!! - PRHODJ(ike-1) * PDFDDWDZ(ike-1)/PMZM_DZZ(ike-1)**2
-!! a(ike) = + PRHODJ(ike-1) * PDFDDWDZ(ike-1)/PMZM_DZZ(ike-1)**2
+!! - PRHODJ(ike-1) * PDFDDWDZ(ike-1)/PMZF_DZZ(ike-1)**2
+!! - PRHODJ(ike ) * PDFDDWDZ(ike )/PMZF_DZZ(ike )**2
+!! a(ike) = + PRHODJ(ike-1) * PDFDDWDZ(ike-1)/PMZF_DZZ(ike-1)**2
!!
!!
!! EXTERNAL
@@ -135,6 +141,7 @@ END MODULE MODI_TRIDIAG_W
!! MODIFICATIONS
!! -------------
!! Original 04/2011 (from tridiag_thermo.f90)
+!! 03/2014 modification of upper boundary condition
!! ---------------------------------------------------------------------
!
!* 0. DECLARATIONS
@@ -150,9 +157,9 @@ IMPLICIT NONE
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PVARM ! variable at t-1 at flux point
REAL, DIMENSION(:,:,:), INTENT(IN) :: PF ! flux in dT/dt=-dF/dz at mass point
-REAL, DIMENSION(:,:,:), INTENT(IN) :: PDFDDWDZ! dF/d(dT/dz) at mass point
+REAL, DIMENSION(:,:,:), INTENT(IN) :: PDFDDWDZ! dF/d(dW/dz) at mass point
REAL, INTENT(IN) :: PTSTEP ! Double time step
-REAL, DIMENSION(:,:,:), INTENT(IN) :: PMZM_DZZ! Dz at mass point
+REAL, DIMENSION(:,:,:), INTENT(IN) :: PMZF_DZZ! Dz at mass point
REAL, DIMENSION(:,:,:), INTENT(IN) :: PRHODJ ! (dry rho)*J at mass point
!
REAL, DIMENSION(:,:,:), INTENT(OUT):: PVARP ! variable at t+1 at flux point
@@ -180,7 +187,7 @@ IKE=SIZE(PVARM,3)-JPVEXT
IKU=SIZE(PVARM,3)
!
ZMZM_RHODJ = MZM(1,IKU,1,PRHODJ)
-ZRHODJ_DFDDWDZ_O_DZ2 = PRHODJ*PDFDDWDZ/PMZM_DZZ**2
+ZRHODJ_DFDDWDZ_O_DZ2 = PRHODJ*PDFDDWDZ/PMZF_DZZ**2
!
ZA=0.
ZB=0.
@@ -192,23 +199,23 @@ ZY=0.
! ---------------------------
!
!! y(k) = (PRHODJ(k)+PRHODJ(k-1))/2.*PVARM(k)/PTSTEP
-!! - PRHODJ(k) * PF(k )/PMZM_PDZZ(k )
-!! + PRHODJ(k-1) * PF(k-1)/PMZM_PDZZ(k-1)
-!! + PRHODJ(k) * PDFDDWDZ(k) * PVARM(k+1)/PMZM_DZZ(k)**2
-!! - PRHODJ(k) * PDFDDWDZ(k) * PVARM(k) /PMZM_DZZ(k)**2
-!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k) /PMZM_DZZ(k-1)**2
-!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k-1)/PMZM_DZZ(k-1)**2
+!! - PRHODJ(k) * PF(k )/PMZF_PDZZ(k )
+!! + PRHODJ(k-1) * PF(k-1)/PMZF_PDZZ(k-1)
+!! + PRHODJ(k) * PDFDDWDZ(k) * PVARM(k+1)/PMZF_DZZ(k)**2
+!! - PRHODJ(k) * PDFDDWDZ(k) * PVARM(k) /PMZF_DZZ(k)**2
+!! - PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k) /PMZF_DZZ(k-1)**2
+!! + PRHODJ(k-1) * PDFDDWDZ(k-1) * PVARM(k-1)/PMZF_DZZ(k-1)**2
!
ZY(:,:,IKB) = ZMZM_RHODJ(:,:,IKB)*PVARM(:,:,IKB)/PTSTEP &
- - PRHODJ(:,:,IKB ) * PF(:,:,IKB )/PMZM_DZZ(:,:,IKB ) &
- + PRHODJ(:,:,IKB-1) * PF(:,:,IKB-1)/PMZM_DZZ(:,:,IKB-1) &
+ - PRHODJ(:,:,IKB ) * PF(:,:,IKB )/PMZF_DZZ(:,:,IKB ) &
+ + PRHODJ(:,:,IKB-1) * PF(:,:,IKB-1)/PMZF_DZZ(:,:,IKB-1) &
+ ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKB) * PVARM(:,:,IKB+1)&
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKB) * PVARM(:,:,IKB )
!
DO JK=IKB+1,IKE-1
ZY(:,:,JK) = ZMZM_RHODJ(:,:,JK)*PVARM(:,:,JK)/PTSTEP &
- - PRHODJ(:,:,JK ) * PF(:,:,JK )/PMZM_DZZ(:,:,JK ) &
- + PRHODJ(:,:,JK-1) * PF(:,:,JK-1)/PMZM_DZZ(:,:,JK-1) &
+ - PRHODJ(:,:,JK ) * PF(:,:,JK )/PMZF_DZZ(:,:,JK ) &
+ + PRHODJ(:,:,JK-1) * PF(:,:,JK-1)/PMZF_DZZ(:,:,JK-1) &
+ ZRHODJ_DFDDWDZ_O_DZ2(:,:,JK ) * PVARM(:,:,JK+1) &
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,JK ) * PVARM(:,:,JK ) &
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,JK-1) * PVARM(:,:,JK ) &
@@ -216,8 +223,9 @@ DO JK=IKB+1,IKE-1
END DO
!
ZY(:,:,IKE) = ZMZM_RHODJ(:,:,IKE)*PVARM(:,:,IKE)/PTSTEP &
- - PRHODJ(:,:,IKE ) * PF(:,:,IKE )/PMZM_DZZ(:,:,IKE ) &
- + PRHODJ(:,:,IKE-1) * PF(:,:,IKE-1)/PMZM_DZZ(:,:,IKE-1) &
+ - PRHODJ(:,:,IKE ) * PF(:,:,IKE )/PMZF_DZZ(:,:,IKE ) &
+ + PRHODJ(:,:,IKE-1) * PF(:,:,IKE-1)/PMZF_DZZ(:,:,IKE-1) &
+ - ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKE ) * PVARM(:,:,IKE ) &
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKE-1) * PVARM(:,:,IKE ) &
+ ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKE-1) * PVARM(:,:,IKE-1)
!
@@ -229,26 +237,27 @@ ZY(:,:,IKE) = ZMZM_RHODJ(:,:,IKE)*PVARM(:,:,IKE)/PTSTEP &
!* 3.1 arrays A, B, C
! --------------
!
-!! a(k) = + PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZM_DZZ(k-1)**2
+!! a(k) = + PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZF_DZZ(k-1)**2
!! b(k) = (PRHODJ(k)+PRHODJ(k-1))/2. / PTSTEP
-!! - PRHODJ(k) * PDFDDWDZ(k) /PMZM_DZZ(k)**2
-!! - PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZM_DZZ(k-1)**2
-!! c(k) = + PRHODJ(k) * PDFDDWDZ(k)/PMZM_DZZ(k)**2
+!! - PRHODJ(k) * PDFDDWDZ(k) /PMZF_DZZ(k)**2
+!! - PRHODJ(k-1) * PDFDDWDZ(k-1)/PMZF_DZZ(k-1)**2
+!! c(k) = + PRHODJ(k) * PDFDDWDZ(k)/PMZF_DZZ(k)**2
!
- ZB(:,:,IKB) = PRHODJ(:,:,IKB)/PTSTEP &
+ ZB(:,:,IKB) = ZMZM_RHODJ(:,:,IKB)/PTSTEP &
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKB)
ZC(:,:,IKB) = ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKB)
DO JK=IKB+1,IKE-1
ZA(:,:,JK) = ZRHODJ_DFDDWDZ_O_DZ2(:,:,JK-1)
- ZB(:,:,JK) = ZMZM_RHODJ(:,:,JK)/PTSTEP &
+ ZB(:,:,JK) = ZMZM_RHODJ(:,:,JK)/PTSTEP &
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,JK ) &
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,JK-1)
ZC(:,:,JK) = ZRHODJ_DFDDWDZ_O_DZ2(:,:,JK )
END DO
ZA(:,:,IKE) = ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKE-1)
- ZB(:,:,IKE) = PRHODJ(:,:,IKE)/PTSTEP &
+ ZB(:,:,IKE) = ZMZM_RHODJ(:,:,IKE)/PTSTEP &
+ - ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKE ) &
- ZRHODJ_DFDDWDZ_O_DZ2(:,:,IKE-1)
!
!* 3.2 going up
@@ -286,7 +295,7 @@ ZY(:,:,IKE) = ZMZM_RHODJ(:,:,IKE)*PVARM(:,:,IKE)/PTSTEP &
! ----------------------------------------
!
PVARP(:,:,IKB-1)=PVARP(:,:,IKB)
-PVARP(:,:,IKE+1)=PVARP(:,:,IKE)
+PVARP(:,:,IKE+1)=0.
!
!-------------------------------------------------------------------------------
!
diff --git a/src/MNH/turb_hor_dyn_corr.f90 b/src/MNH/turb_hor_dyn_corr.f90
index 0b9bfeb77954c00f7e757a6c1af146e9e5e17855..1fbb673f5de05f9741f423d323a45c1c4de05fdd 100644
--- a/src/MNH/turb_hor_dyn_corr.f90
+++ b/src/MNH/turb_hor_dyn_corr.f90
@@ -138,6 +138,8 @@ END MODULE MODI_TURB_HOR_DYN_CORR
!! October 2009 (G. Tanguy) add ILENCH=LEN(YCOMMENT) after
!! change of YCOMMENT
!! July 2012 (V.Masson) Implicitness of W
+!! March 2014 (V.Masson) tridiag_w : bug between
+!! mass and flux position
!! --------------------------------------------------------------------------
!
!* 0. DECLARATIONS
@@ -247,7 +249,7 @@ REAL, DIMENSION(SIZE(PUM,1),SIZE(PUM,2),SIZE(PUM,3)) :: GX_U_M_PUM
REAL, DIMENSION(SIZE(PVM,1),SIZE(PVM,2),SIZE(PVM,3)) :: GY_V_M_PVM
REAL, DIMENSION(SIZE(PWM,1),SIZE(PWM,2),SIZE(PWM,3)) :: GZ_W_M_PWM
REAL, DIMENSION(SIZE(PWM,1),SIZE(PWM,2),SIZE(PWM,3)) :: GZ_W_M_ZWP
-REAL, DIMENSION(SIZE(PWM,1),SIZE(PWM,2),SIZE(PWM,3)) :: ZMZM_DZZ ! MZM(PDZZ)
+REAL, DIMENSION(SIZE(PWM,1),SIZE(PWM,2),SIZE(PWM,3)) :: ZMZF_DZZ ! MZF(PDZZ)
REAL, DIMENSION(SIZE(PWM,1),SIZE(PWM,2),SIZE(PWM,3)) :: ZDFDDWDZ ! formal derivative of the
! ! flux (variable: dW/dz)
REAL, DIMENSION(SIZE(PWM,1),SIZE(PWM,2),SIZE(PWM,3)) :: ZWP ! W at future time-step
@@ -284,7 +286,7 @@ GX_U_M_PUM = GX_U_M(1,IKU,1,PUM,PDXX,PDZZ,PDZX)
IF (.NOT. L2D) GY_V_M_PVM = GY_V_M(1,IKU,1,PVM,PDYY,PDZZ,PDZY)
GZ_W_M_PWM = GZ_W_M(1,IKU,1,PWM,PDZZ)
!
-ZMZM_DZZ = MZM(1,IKU,1,PDZZ)
+ZMZF_DZZ = MZF(1,IKU,1,PDZZ)
!
CALL ADD3DFIELD_ll(TZFIELDS_ll, ZFLX)
@@ -561,7 +563,7 @@ END IF
ZDFDDWDZ(:,:,:) = - XCMFS * PK(:,:,:) * (4./3.)
ZDFDDWDZ(:,:,:IKB) = 0.
!
-CALL TRIDIAG_W(PWM,ZFLX,ZDFDDWDZ,PTSTEP,ZMZM_DZZ,PRHODJ,ZWP)
+CALL TRIDIAG_W(PWM,ZFLX,ZDFDDWDZ,PTSTEP,ZMZF_DZZ,PRHODJ,ZWP)
!
PRWS = PRWS(:,:,:) + MZM(1,IKU,1,PRHODJ(:,:,:))*(ZWP(:,:,:)-PWM(:,:,:))/PTSTEP
!