dt18law.F

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!||====================================================================
!||    dt18law   ../starter/source/materials/time_step/dt18law.F
!||--- called by ------------------------------------------------------
!||    dtmain    ../starter/source/materials/time_step/dtmain.F
!||====================================================================
      SUBROUTINE dt18law(PM,IPM,MAT,EINT,THETA,DELTAX,DTX)
C
C     CALCUL DES DT ELEM LOI NO 18 THERMIQUE PURE
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"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER IPM(NPROPMI,*),MAT(*)
C     REAL
      my_real
     .   pm(npropm,*), eint(*), theta(*), deltax(*), dtx(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, ITFUN
C     REAL
      my_real
     .   a(mvsiz), b(mvsiz), sph(mvsiz), t0
C=======================================================================
      DO i=lft,llt
      sph(i)=pm(69,mat(i))
      a(i)  =pm(75,mat(i))
      b(i)  =pm(76,mat(i))
      END DO
 
      DO i=lft,llt
      theta(i)=eint(i)/sph(i)
      END DO
 
      DO i=lft,llt
      t0=pm(79,mat(i))
      itfun = ipm(11,mat(i))
      IF(itfun/=0)THEN
       theta(i) = t0 ! missing function value !
      ENDIF
      END DO
 
      DO i=lft,llt
      dtx(i)=half*deltax(i)**2*sph(i)/(a(i)+b(i)*theta(i))
      ENDDO
C-----------
      RETURN
      END