a17yl2.F

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!||====================================================================
!||    a17yl2   ../engine/source/ale/turbulence/a17yl2.F
!||--- called by ------------------------------------------------------
!||    atur17   ../engine/source/ale/turbulence/atur17.F
!||====================================================================
      SUBROUTINE a17yl2(
     1   DELTAX,  YL,      AIRE,    NEL)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER, INTENT(IN) :: NEL
      my_real deltax(*), yl(*), aire(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER :: I
      my_real :: r, a      
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
      DO i=1,nel
        r = deltax(i)**2/aire(i)
        a = max(zero,fourth-r**2)
        a = max(zero,half-sqrt(a))
        yl(i)=deltax(i)*sqrt(a)/r
      ENDDO
C-----------------------------------------------
      RETURN
      END