dt16law.F

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C
!||====================================================================
!||    dt16law   ../starter/source/materials/time_step/dt16law.F
!||--- called by ------------------------------------------------------
!||    dtmain    ../starter/source/materials/time_step/dtmain.F
!||--- calls      -----------------------------------------------------
!||    dtel      ../starter/source/materials/time_step/dtel.F
!||====================================================================
      SUBROUTINE dt16law(PM,GEO,PID,MAT, DELTAX, AIRE, VOL, DTX)
C
C     CALCUL DES DT ELEM. LOI NO 16 TYPE JOHNSON - COOK - GRAY
C
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   G l o b a l   P a r a m e t e r s
C-----------------------------------------------
#include      "mvsiz_p.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "param_c.inc"
#include      "vect01_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      my_real
     .   pm(npropm,*),geo(npropg,*), deltax(*), aire(*), vol(*), dtx(*)
      INTEGER PID(*),MAT(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, MX
C     REAL
      my_real
     .   g(mvsiz), ssp(mvsiz), c(mvsiz), rho0(mvsiz), vis(mvsiz)
C-----------------------------------------------
C=======================================================================
      DO i=lft,llt
         mx      =mat(i)
         rho0(i) =pm( 1,mx)
         g(i)    =pm(22,mx)
         c(i)    =pm(33,mx)
         vis(i) = zero
      END DO
C------------------------------------
C     VITESSE DU SON
C------------------------------------
      DO i=lft,llt
         ssp(i)=sqrt(c(i)**2 + onep333*g(i)/rho0(i))
      END DO
C------------------------------------
C     CALCUL DES DT ELEM
C------------------------------------
      CALL dtel(ssp,pm,geo,pid,mat, rho0, vis, deltax, aire, vol, dtx)
C-----------
      RETURN
      END