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!MNH_LIC Copyright 1994-2021 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.
!-----------------------------------------------------------------
! ##########################
MODULE MODI_INI_EOL_ALM
! ##########################
!
INTERFACE
!
SUBROUTINE INI_EOL_ALM(PDXX,PDYY)
!
REAL, DIMENSION(:,:,:), INTENT(IN) :: PDXX,PDYY ! mesh size
!
END SUBROUTINE INI_EOL_ALM
!
END INTERFACE
!
END MODULE MODI_INI_EOL_ALM
!
! ############################################################
SUBROUTINE INI_EOL_ALM(PDXX,PDYY)
! ############################################################
!
!!**** *INI_EOL_ALM* - routine to initialize the Actuator Line Model
!! to simulate wind turbines
!!
!! PURPOSE
!! -------
!! Routine to initialized the ALM (wind turbine model) variables
!!
!!** METHOD
!! ------
!!
!! EXTERNAL
!! --------
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!!
!! *MODD_EOL_SHARED_IO:
!! *Namelist NAM_EOL_ADNR (INPUT) :
!! CHARACTER(LEN=100) :: CFARM_CSVDATA ! File to read, with farm data
!! CHARACTER(LEN=100) :: CTURBINE_CSVDATA ! File to read, turbine data
!! CHARACTER(LEN=100) :: CBLADE_CSVDATA ! Blade file to read
!! CHARACTER(LEN=100) :: CAIRFOIL_CSVDATA ! Airfoil file to read
!! *for ouputs :
!! REAL, DIMENSION(:), ALLOCATABLE :: XTHRUT ! Thrust [N]
!! REAL, DIMENSION(:), ALLOCATABLE :: XTORQT ! Torque [Nm]
!! REAL, DIMENSION(:), ALLOCATABLE :: XPOWT ! Power [W]
!! REAL, DIMENSION(:), ALLOCATABLE :: XTHRU_SUM ! Sum of thrust (N)
!! REAL, DIMENSION(:), ALLOCATABLE :: XTORQ_SUM ! Sum of torque (Nm)
!! REAL, DIMENSION(:), ALLOCATABLE :: XPOW_SUM ! Sum of power (W)
!!
!! INTEGER :: NNB_BLAELT ! Number of blade elements
!!
!! *MODD_EOL_ALM (OUTPUT):
!! TYPE(FARM) :: TFARM
!! TYPE(TURBINE) :: TTURBINE
!! TYPE(BLADE) :: TBLADE
!! TYPE(AIRFOIL), DIMENSION(:), ALLOCATABLE :: TAIRFOIL
!! REAL, DIMENSION(:,:,:), ALLOCATABLE :: XELT_RAD ! Blade elements radius [m]
!! REAL, DIMENSION(:,:,:), ALLOCATABLE :: XAOA_GLB ! Angle of attack of an element [rad]
!! REAL, DIMENSION(:,:,:), ALLOCATABLE :: XFLIFT_GLB ! Lift force, parallel to Urel [N]
!! REAL, DIMENSION(:,:,:), ALLOCATABLE :: XFDRAG_GLB ! Drag force, perpendicular to Urel [N]
!! REAL, DIMENSION(:,:,:,:), ALLOCATABLE :: XFAERO_RE_GLB ! Aerodyn. force (lift+drag) in RE [N]
!! REAL, DIMENSION(:,:,:,:), ALLOCATABLE :: XFAERO_RG_GLB ! Aerodyn. force (lift+drag) in RG [N]
!! REAL, DIMENSION(:,:,:), ALLOCATABLE :: XAOA_SUM ! Sum of angle of attack [rad]
!! REAL, DIMENSION(:,:,:,:), ALLOCATABLE :: XFAERO_RE_SUM ! Sum of aerodyn. force (lift+drag) in RE [N]
!
!! *MODD_EOL_KINEMATICS
!! Positions
!! Orientations
!! Velocities
!!
!! REFERENCE
!! ---------
!!
!!
!! AUTHOR
!! ------
!! PA. Joulin * Meteo France & IFPEN *
!!
!! MODIFICATIONS
!! -------------
!! Original 31/05/18
!! Modification 10/11/20 (PA. Joulin) Updated for a main version
!!
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
!* 0.1 Modules
!
USE MODD_EOL_ALM
USE MODD_EOL_SHARED_IO, ONLY: CFARM_CSVDATA
USE MODD_EOL_SHARED_IO, ONLY: CTURBINE_CSVDATA
USE MODD_EOL_SHARED_IO, ONLY: CBLADE_CSVDATA
USE MODD_EOL_SHARED_IO, ONLY: CAIRFOIL_CSVDATA
USE MODD_EOL_SHARED_IO, ONLY: XTHRUT, XTORQT, XPOWT
USE MODD_EOL_SHARED_IO, ONLY: XTHRU_SUM, XTORQ_SUM, XPOW_SUM
USE MODI_EOL_READER, ONLY: READ_CSVDATA_FARM_ALM
USE MODI_EOL_READER, ONLY: READ_CSVDATA_TURBINE_ALM
USE MODI_EOL_READER, ONLY: READ_CSVDATA_BLADE_ALM
USE MODI_EOL_READER, ONLY: READ_CSVDATA_AIRFOIL_ALM
USE MODI_EOL_PRINTER, ONLY: PRINT_DATA_FARM_ALM
USE MODI_EOL_PRINTER, ONLY: PRINT_DATA_TURBINE_ALM
USE MODI_EOL_PRINTER, ONLY: PRINT_DATA_BLADE_ALM
USE MODI_EOL_PRINTER, ONLY: PRINT_DATA_AIRFOIL_ALM
USE MODD_EOL_KINE_ALM
USE MODI_EOL_MATHS
! To print in output listing
USE MODD_LUNIT_n, ONLY: TLUOUT
! Constant
USE MODD_CST, ONLY: XPI
! To know the grid
USE MODD_GRID_n, ONLY: XXHAT,XYHAT,XZS
USE MODE_ll, ONLY: GET_INDICE_ll
USE MODD_PARAMETERS, ONLY: JPVEXT
! MPI stuffs
USE MODD_VAR_ll, ONLY: NMNH_COMM_WORLD
USE MODD_PRECISION, ONLY: MNHREAL_MPI
USE MODD_MPIF, ONLY: MPI_SUM
!
!* 0.2 Variables
!
IMPLICIT NONE
! Interface
REAL, DIMENSION(:,:,:), INTENT(IN) :: PDXX,PDYY ! mesh size
!
! Some loop controlers
! .. for wind turbines
INTEGER :: JROT ! Rotor index
INTEGER :: JTELT ! Tower element index
INTEGER :: JNELT ! Nacelle element index
INTEGER :: JBLA ! Blade index
INTEGER :: JBELT ! Balde element index
! .. for domain
INTEGER :: IIB,IJB,IKB ! Begin of a CPU domain
INTEGER :: IIE,IJE ! End of a CPU domain
INTEGER :: JI,JJ ! Domain index
! Some variables to be coder-friendly
INTEGER :: INB_WT, INB_B, INB_BELT ! Total numbers of wind turbines, blades, and blade elt
INTEGER :: INB_TELT, INB_NELT ! Total numbers of tower elt, and nacelle elt
REAL :: ZRAD ! Radius along the blade
! Tower base folowing the terrain
REAL,DIMENSION(:,:),ALLOCATABLE :: ZPOSINI_TOWO_RG ! Initial tower origin position
INTEGER :: IINFO ! code info return
!
!-------------------------------------------------------------------
!
!* 1. READING AND ALLOCATING DATA
! ---------------------------
! Reading in csv files
! Allocation of TFARM, TTURBINE, TBLADE and TAIRFOILS inside the function
!
!* 1.1 Wind farm data
!
CALL READ_CSVDATA_FARM_ALM(40,TRIM(CFARM_CSVDATA),TFARM)
!
!* 1.2 Wind turbine data
!
CALL READ_CSVDATA_TURBINE_ALM(41,TRIM(CTURBINE_CSVDATA),TTURBINE)
!
!* 1.3 Blade data
!
CALL READ_CSVDATA_BLADE_ALM(42,TRIM(CBLADE_CSVDATA),TTURBINE,TBLADE)
!
!* 1.4 Airfoil data
!
CALL READ_CSVDATA_AIRFOIL_ALM(43,TRIM(CAIRFOIL_CSVDATA),TBLADE,TAIRFOIL)
!
!
!-------------------------------------------------------------------
!
!* 2. PRINTING DATA
! -------------
!
!* 2.1 Wind farm data
!
CALL PRINT_DATA_FARM_ALM(TLUOUT%NLU,TFARM)
!
!* 2.2 Wind turbine data
!
CALL PRINT_DATA_TURBINE_ALM(TLUOUT%NLU,TTURBINE)
!
!* 2.3 Blade data
!
CALL PRINT_DATA_BLADE_ALM(TLUOUT%NLU,TBLADE)
!
!* 2.4 Airfoil data
!
CALL PRINT_DATA_AIRFOIL_ALM(TLUOUT%NLU,TAIRFOIL)
!
!
!-------------------------------------------------------------------
!
!* 3. ALLOCATING VARIABLES
! --------------------
!
!* 3.0 Preliminaries
INB_WT = TFARM%NNB_TURBINES
INB_B = TTURBINE%NNB_BLADES
INB_BELT = TBLADE%NNB_BLAELT
! Hard coded variables, but they will be usefull in next updates
INB_TELT = 2
INB_NELT = 2
!
!* 3.1 MODD_EOL_ALM variables
! at t
ALLOCATE(XELT_RAD (INB_WT,INB_B,INB_BELT ))
ALLOCATE(XAOA_GLB (INB_WT,INB_B,INB_BELT ))
ALLOCATE(XFDRAG_GLB (INB_WT,INB_B,INB_BELT ))
ALLOCATE(XFLIFT_GLB (INB_WT,INB_B,INB_BELT ))
ALLOCATE(XFAERO_RE_GLB(INB_WT,INB_B,INB_BELT,3))
ALLOCATE(XFAERO_RG_GLB(INB_WT,INB_B,INB_BELT,3))
ALLOCATE(XTHRUT (INB_WT ))
ALLOCATE(XTORQT (INB_WT ))
ALLOCATE(XPOWT (INB_WT ))
! for mean values
ALLOCATE(XAOA_SUM (INB_WT,INB_B,INB_BELT ))
ALLOCATE(XFAERO_RE_SUM(INB_WT,INB_B,INB_BELT,3))
ALLOCATE(XTHRU_SUM (INB_WT))
ALLOCATE(XTORQ_SUM (INB_WT))
ALLOCATE(XPOW_SUM (INB_WT))
!
!* 3.2 MODD_EOL_KINE_ALM variables
!
! - ORIENTATION MATRIX -
ALLOCATE(XMAT_RG_RT(INB_WT,3,3))
ALLOCATE(XMAT_RG_RN(INB_WT,3,3))
ALLOCATE(XMAT_RT_RN(INB_WT,3,3))
ALLOCATE(XMAT_RG_RH(INB_WT,3,3))
ALLOCATE(XMAT_RH_RG(INB_WT,3,3))
ALLOCATE(XMAT_RN_RH(INB_WT,3,3))
ALLOCATE(XMAT_RG_RB(INB_WT,INB_B,3,3))
ALLOCATE(XMAT_RH_RB(INB_WT,INB_B,3,3))
ALLOCATE(XMAT_RG_RE(INB_WT,INB_B,INB_BELT,3,3))
ALLOCATE(XMAT_RE_RG(INB_WT,INB_B,INB_BELT,3,3))
ALLOCATE(XMAT_RB_RE(INB_WT,INB_B,INB_BELT,3,3))
!
! - POSITIONS & ORIENTATIONS -
! Tower
ALLOCATE(ZPOSINI_TOWO_RG (INB_WT,3) ) ! Initial tower origin pos. in RG
ALLOCATE(XPOSINI_TOWO_RG (INB_WT,3) ) ! Initial tower origin pos. in RG
ALLOCATE(XPOS_TOWO_RG (INB_WT,3) ) ! Current tower origin pos. in RG
ALLOCATE(XPOS_TELT_RG (INB_WT,INB_TELT,3) ) ! Current tower element pos. in RG
ALLOCATE(XPOS_TELT_RT (INB_WT,INB_TELT,3) ) ! Current tower element pos. in RT
ALLOCATE(XANGINI_TOW_RG (INB_WT,3) ) ! Initial tower ori. in RG
! Nacelle
ALLOCATE(XPOSINI_NACO_RT (INB_WT,3) ) ! Initial nacelle origin pos. in RT
ALLOCATE(XPOS_NACO_RG (INB_WT,3) ) ! Current nacelle origin pos. in RG
ALLOCATE(XPOS_NELT_RG (INB_WT,INB_NELT,3) ) ! Current nacelle element pos. in RG
ALLOCATE(XPOS_NELT_RN (INB_WT,INB_NELT,3) ) ! Current nacelle element pos. in RN
ALLOCATE(XANGINI_NAC_RT (INB_WT,3) ) ! Initial nacelle ori. in RT
! Hub
ALLOCATE(XPOSINI_HUB_RN (INB_WT,3) ) ! Initial hub pos. in RN
ALLOCATE(XPOS_HUB_RG (INB_WT,3) ) ! Current hub pos. in RG
ALLOCATE(XANGINI_HUB_RN (INB_WT,3) ) ! Initial hub ori. in RN
! Blade
ALLOCATE(XPOSINI_BLA_RH (INB_WT,INB_B,3) ) ! Initial blade root pos. in RH
ALLOCATE(XPOS_BLA_RG (INB_WT,INB_B,3) ) ! Current blade root pos. in RG
ALLOCATE(XANGINI_BLA_RH (INB_WT,INB_B,3) ) ! Initial blade ori. RH
! Element
ALLOCATE(XPOS_ELT_RB (INB_WT,INB_B,INB_BELT,3) ) ! Element pos. in RB
ALLOCATE(XPOS_ELT_RG (INB_WT,INB_B,INB_BELT,3) ) ! Element pos. in RG
ALLOCATE(XPOS_SEC_RB (INB_WT,INB_B,INB_BELT+1,3)) ! Section pos. in RB
ALLOCATE(XPOS_SEC_RG (INB_WT,INB_B,INB_BELT+1,3)) ! Section pos. in RG
ALLOCATE(XANGINI_ELT_RB (INB_WT,INB_B,INB_BELT,3) ) ! Initial element ori. in RB
ALLOCATE(XTWIST_ELT (INB_WT,INB_B,INB_BELT) ) ! Element twist in RB
ALLOCATE(XCHORD_ELT (INB_WT,INB_B,INB_BELT) ) ! Element chord lenght
ALLOCATE(XSURF_ELT (INB_WT,INB_B,INB_BELT) ) ! Element lift surface
!
! - STRUCTURAL VELOCITIES -
! Tower
ALLOCATE(XTVEL_TOWO_RG (INB_WT,3) ) ! Tower base trans. vel. in RG
ALLOCATE(XTVEL_TELT_RG (INB_WT,INB_TELT,3) ) ! Tower element trans. vel. in RG
ALLOCATE(XRVEL_RT_RG (INB_WT,3) ) ! RT/RG rot. vel.
! Nacelle
ALLOCATE(XTVEL_NACO_RT (INB_WT,3) ) ! Nacelle base trans. vel. in RT
ALLOCATE(XTVEL_NELT_RG (INB_WT,INB_NELT,3) ) ! Nacelle element trans. vel. in RG
ALLOCATE(XRVEL_RN_RT (INB_WT,3) ) ! RN/RT rot. vel.
ALLOCATE(XRVEL_RN_RG (INB_WT,3) ) ! RN/RG rot. vel.
! Hub
ALLOCATE(XTVEL_HUB_RN (INB_WT,3) ) ! Hub base trans. vel. in RN
ALLOCATE(XTVEL_HUB_RG (INB_WT,3) ) ! Hub base trans. vel. in RG
ALLOCATE(XRVEL_RH_RN (INB_WT,3) ) ! RH/RT rot. vel.
ALLOCATE(XRVEL_RH_RG (INB_WT,3) ) ! RH/RG rot. vel.
! Blade
ALLOCATE(XTVEL_BLA_RH (INB_WT,INB_B,3) ) ! Blade base trans. vel. in RH
ALLOCATE(XTVEL_BLA_RG (INB_WT,INB_B,3) ) ! Blade base trans. vel. in RG
ALLOCATE(XRVEL_RB_RH (INB_WT,INB_B,3) ) ! RB/RH rot. vel.
ALLOCATE(XRVEL_RB_RG (INB_WT,INB_B,3) ) ! RB/RG rot. vel.
! Elements
ALLOCATE(XTVEL_ELT_RB (INB_WT,INB_B,INB_BELT,3) ) ! Element base trans. vel. in RB
ALLOCATE(XTVEL_ELT_RG (INB_WT,INB_B,INB_BELT,3) ) ! Element base trans. vel. in RG
ALLOCATE(XTVEL_ELT_RE (INB_WT,INB_B,INB_BELT,3) ) ! Element base trans. vel. in RE
ALLOCATE(XRVEL_RE_RB (INB_WT,INB_B,INB_BELT,3) ) ! RE/RB rot. vel.
ALLOCATE(XRVEL_RE_RG (INB_WT,INB_B,INB_BELT,3) ) ! RE/RG rot. vel.
!
!-------------------------------------------------------------------
!
!* 4. FIRST BUILDING OF WIND TURBINES
! -------------------------------
!
!* 4.1 Preliminaries
CALL GET_INDICE_ll(IIB,IJB,IIE,IJE) ! Get begin and end domain index (CPU)
IKB=1+JPVEXT ! Vertical begin index
!
XPOS_REF(:) = 0d0 ! Global Origin
!
!
!* 4.2 Tower
DO JROT=1, INB_WT
! Velocities (Rotor, (XYZ))
XTVEL_TOWO_RG(JROT,:) = 0d0
XRVEL_RT_RG(JROT,:) = 0d0
! Positions
! Init
ZPOSINI_TOWO_RG(JROT,1) = 0
ZPOSINI_TOWO_RG(JROT,2) = 0
ZPOSINI_TOWO_RG(JROT,3) = 0
! Finding the elevation at the WT position
DO JJ=IJB,IJE
DO JI=IIB,IIE
IF (TFARM%XPOS_X(JROT) >= XXHAT(JI) .AND. &
TFARM%XPOS_X(JROT) < XXHAT(JI) + PDXX(JI,JJ,IKB)) THEN
IF (TFARM%XPOS_Y(JROT) >= XYHAT(JJ) .AND. &
TFARM%XPOS_Y(JROT) < XYHAT(JJ) + PDYY(JI,JJ,IKB)) THEN
! Horizontal position
ZPOSINI_TOWO_RG(JROT,1) = TFARM%XPOS_X(JROT) ! Tower base position
ZPOSINI_TOWO_RG(JROT,2) = TFARM%XPOS_Y(JROT)
! Finding the elevation at the WT position
ZPOSINI_TOWO_RG(JROT,3) = XZS(JI,JJ)
END IF
END IF
END DO
END DO
! Sharing information
CALL MPI_ALLREDUCE(ZPOSINI_TOWO_RG, XPOSINI_TOWO_RG, SIZE(XPOSINI_TOWO_RG),&
MNHREAL_MPI,MPI_SUM,NMNH_COMM_WORLD,IINFO)
! Tower elements
DO JTELT=1, INB_TELT
XPOS_TELT_RT(JROT,JTELT,1) = 0d0
XPOS_TELT_RT(JROT,JTELT,2) = 0d0
XPOS_TELT_RT(JROT,JTELT,3) = (JTELT-1)*(TTURBINE%XH_HEIGHT)/(INB_TELT-1)
END DO
! Angles
XANGINI_TOW_RG(JROT,1) = 0d0
XANGINI_TOW_RG(JROT,2) = 0d0
XANGINI_TOW_RG(JROT,3) = 0d0
!
!
!* 4.3 Nacelle
! Velocities
XTVEL_NACO_RT(JROT,:) = 0d0
XRVEL_RN_RT(JROT,:) = 0d0
! Positions (Rotor, (XYZ)) ! From last point of tower
! Origin
XPOSINI_NACO_RT(JROT,:) = 0d0 ! Distance between nacelle base and tower top
! Elements
DO JNELT=1, INB_NELT
XPOS_NELT_RN(JROT,JNELT,1) = (JNELT-1)*TTURBINE%XH_DEPORT/(INB_NELT-1)
XPOS_NELT_RN(JROT,JNELT,2) = 0d0
XPOS_NELT_RN(JROT,JNELT,3) = 0d0
END DO
! Angles
XANGINI_NAC_RT(JROT,1) = 0d0
XANGINI_NAC_RT(JROT,2) = 0d0
XANGINI_NAC_RT(JROT,3) = XPI + TFARM%XNAC_YAW(JROT)
!
!
!* 4.4 Hub
! Velocities
XTVEL_HUB_RN(JROT,:) = 0d0
XRVEL_RH_RN(JROT,1) = 0d0
XRVEL_RH_RN(JROT,2) = 0d0
XRVEL_RH_RN(JROT,3) = TFARM%XOMEGA(JROT)
! Position (Rotor, (XYZ)) ! From nacelle last point
XPOSINI_HUB_RN(JROT,1) = 0d0
XPOSINI_HUB_RN(JROT,2) = 0d0
XPOSINI_HUB_RN(JROT,3) = 0d0
XANGINI_HUB_RN(JROT,1) = 0d0
XANGINI_HUB_RN(JROT,2) = XPI/2d0 - TTURBINE%XNAC_TILT
XANGINI_HUB_RN(JROT,3) = 0d0
!
!
!* 4.5 Blades
DO JBLA=1, INB_B
! Velocities
XRVEL_RB_RH(JROT,JBLA,:) = 0d0
XTVEL_BLA_RH(JROT,JBLA,:) = 0d0
! Position (Rotor, Blade, (XYZ)) ! From hub point
XPOSINI_BLA_RH(JROT,JBLA,:) = 0d0
XANGINI_BLA_RH(JROT,JBLA,1) = 0d0
XANGINI_BLA_RH(JROT,JBLA,2) = 0d0
XANGINI_BLA_RH(JROT,JBLA,3) = (JBLA-1)*2d0*XPI/INB_B
!
!
!* 4.5 Elements
! - Positioning of sections (cuts)
DO JBELT=1, INB_BELT+1
XPOS_SEC_RB(JROT,JBLA,JBELT,1) = TTURBINE%XR_MIN + (JBELT-1) &
* (TTURBINE%XR_MAX - TTURBINE%XR_MIN)/INB_BELT
XPOS_SEC_RB(JROT,JBLA,JBELT,2) = 0d0
XPOS_SEC_RB(JROT,JBLA,JBELT,3) = 0d0
ENDDO
DO JBELT=1, INB_BELT
! - Positioning of centers (points of application)
XPOS_ELT_RB(JROT,JBLA,JBELT,1) = XPOS_SEC_RB(JROT,JBLA,JBELT,1) &
+ (XPOS_SEC_RB(JROT,JBLA,JBELT+1,1) &
- XPOS_SEC_RB(JROT,JBLA,JBELT,1))/2d0
XPOS_ELT_RB(JROT,JBLA,JBELT,2) = 0d0
XPOS_ELT_RB(JROT,JBLA,JBELT,3) = 0d0
XELT_RAD(JROT,JBLA,JBELT) = XPOS_ELT_RB(JROT,JBLA,JBELT,1)
! - Calculating chord and twist
ZRAD = XELT_RAD(JROT,JBLA,JBELT)
XCHORD_ELT(JROT,JBLA,JBELT) = INTERP_SPLCUB(ZRAD, TBLADE%XRAD, TBLADE%XCHORD)
XTWIST_ELT(JROT,JBLA,JBELT) = INTERP_SPLCUB(ZRAD, TBLADE%XRAD, TBLADE%XTWIST)
! - Calculating lifting surface
XSURF_ELT(JROT,JBLA,JBELT) = XCHORD_ELT(JROT,JBLA,JBELT) &
* (XPOS_SEC_RB(JROT,JBLA,JBELT+1,1) &
- XPOS_SEC_RB(JROT,JBLA,JBELT,1))
! Velocities
XRVEL_RE_RB(JROT,JBLA,JBELT,:) = 0d0
XTVEL_ELT_RB(JROT,JBLA,JBELT,:) = 0d0
! Orientation
XANGINI_ELT_RB(JROT,JBLA,JBELT,1) = -XPI/2d0 + TFARM%XBLA_PITCH(JROT) &
+ XTWIST_ELT(JROT,JBLA,JBELT)
XANGINI_ELT_RB(JROT,JBLA,JBELT,2) = XPI/2d0
XANGINI_ELT_RB(JROT,JBLA,JBELT,3) = XPI/2d0
END DO ! Loop element
END DO ! Loop blade
END DO ! Loop turbine
!
END SUBROUTINE INI_EOL_ALM