dt3law.F

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C
!||====================================================================
!||    dt3law   ../starter/source/materials/time_step/dt3law.F
!||--- called by ------------------------------------------------------
!||    dtmain   ../starter/source/materials/time_step/dtmain.F
!||--- calls      -----------------------------------------------------
!||    dtel     ../starter/source/materials/time_step/dtel.F
!||    dtsph    ../starter/source/materials/time_step/dtsph.F
!||====================================================================
      SUBROUTINE dt3law(PM,EINT,GEO,PID,MAT, DELTAX, AIRE, VOL, DTX)
C
C     CALCUL DES DT ELEM. DES LOIS 3,4,23
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,*), eint(*),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
     .   rho0(mvsiz), g(mvsiz),
     .   c1(mvsiz), c2(mvsiz), c5(mvsiz), c6(mvsiz), ssp(mvsiz),
     .   espe(mvsiz), dpdm(mvsiz), vis(mvsiz)
C=======================================================================
      DO i=lft,llt
         mx      =mat(i)
         rho0(i) =pm( 1,mx)
         g(i)    =pm(22,mx)
         c1(i)   =pm(31,mx)
         c2(i)   =pm(32,mx)
         c5(i)   =pm(35,mx)
         c6(i)   =pm(36,mx)
         espe(i) =eint(i)
         vis(i) = zero
      END DO
 
C-----------------------
C     CALCUL DE DP/DRHO
C-----------------------
      DO i=lft,llt
         dpdm(i)=onep333*g(i)+c2(i)+c6(i)*espe(i)
     .        +(c5(i))*(c1(i)+(c5(i))*espe(i))
         ssp(i)=sqrt(abs(dpdm(i))/rho0(i))
      END DO
C----------------------------------
C     CALCUL DES DT ELEMENTAIRES
C----------------------------------
      IF(jsph==0)THEN
         CALL dtel(ssp,pm,geo,pid,mat, rho0, vis, deltax, aire, vol, dtx)
      ELSE
         CALL dtsph(ssp,pm,geo,pid,mat, rho0, vis, deltax, vol, dtx)
      ENDIF
C-----------
      RETURN
      END