m25delam.F

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!||====================================================================
!||    m25delam        ../engine/source/materials/mat/mat025/m25delam.F
!||--- called by ------------------------------------------------------
!||    mulawc          ../engine/source/materials/mat_share/mulawc.F90
!||    usermat_shell   ../engine/source/materials/mat_share/usermat_shell.F
!||====================================================================
      SUBROUTINE m25delam(JFT,JLT,PM,GSTR,DAMDL,MAT,NGL,NEL)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
#include      "comlock.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      "units_c.inc"
#include      "param_c.inc"
#include      "com08_c.inc"
#include      "impl1_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER JFT, JLT,NEL
      INTEGER MAT(MVSIZ),NGL(MVSIZ)
C     REAL
      my_real
     .   pm(npropm,*), damdl(*), gstr(nel,8)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,MX  
C     REAL
      my_real
     .   shear, dam1, dam2
C     REAL
      my_real
     .   shrdam_1,shrmax_1,shrdmax_1
C--------------------------------------------------
C   E q u i v a l e n c e
C--------------------------------------------------
      mx = mat(jft)
      shrdam_1  =pm(65,mx)
      shrmax_1  =pm(66,mx)
      shrdmax_1 =pm(67,mx)
C      
C      shrdam=0.0655/1.3
C      shrmax=shrdam+0.01
C      igr=1+nft/mvsiz
C
      DO 100 i=jft,jlt
      IF(damdl(i)>zero) THEN
        shear=three_half*sqrt(gstr(i,4)**2+gstr(i,5)**2)
        dam1=(shear-shrdam_1)/(shrmax_1-shrdam_1)
        dam2=dam1*shrmax_1/shear
        damdl(i)=max(dam2,damdl(i))
        damdl(i)=min(shrdmax_1,damdl(i))       
      ENDIF
  100 CONTINUE
C
      DO 110 i=jft,jlt
      IF(damdl(i)==zero) THEN
       shear=three_half*sqrt(gstr(i,4)**2+gstr(i,5)**2)
       IF(shear>shrdam_1) THEN
        dam1=(shear-shrdam_1)/(shrmax_1-shrdam_1)
        dam2=dam1*shrmax_1/shear
        damdl(i)=min(shrdmax_1,dam2)
        IF(imconv==1)THEN
#include "lockon.inc"
        WRITE(iout, 1200) ngl(i)
        WRITE(istdo,1300) ngl(i),tt
#include "lockoff.inc"
        ENDIF
       ENDIF
      ENDIF
  110 CONTINUE 
C
 1200 FORMAT('- DELAMINATION OF SHELL ELEMENT NUMBER ',i10)
 1300 FORMAT('- DELAMINATION OF SHELL ELEMENT :',i10,' AT TIME :',g11.4)
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7--
      RETURN
      END