dt21law.F

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C
!||====================================================================
!||    dt21law   ../starter/source/materials/time_step/dt21law.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 dt21law (PM,GEO,PID,MAT, DELTAX, AIRE, VOL, DTX)
C
C     CALCUL DES DT ELEMENTAIRES POUR LA LOI 21 (ROC ET BETON)
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      "vect01_c.inc"
#include      "param_c.inc"
#include      "com08_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
     .   ssp(mvsiz),  dpdm(mvsiz), rho0(mvsiz), g(mvsiz), 
     .   bulk(mvsiz), c1(mvsiz),   g43(mvsiz),  p(mvsiz), vis(mvsiz)
C=======================================================================
      DO i=lft,llt
         mx=mat(i)
         g(i)  =dt1*pm(22,mx)
         g43(i)  =onep333*pm(22,mx)
         c1(i) = pm(32,mx)
         bulk(i) =pm(35,mx)
         rho0(i) =pm(1,mx)
         vis(i) = zero
      END DO
C---------------------------
      DO i=lft,llt
        dpdm(i)=c1(i)
      END DO
 
      DO i=lft,llt
         dpdm(i)= g43(i)+ max(bulk(i),dpdm(i))
      END DO
 
      DO i=lft,llt
         ssp(i)=sqrt(abs(dpdm(i))/rho0(i))
      END DO
      
C-----------------------
C  CALCUL DES DTELEM
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