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lj521775

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[ÇóÖú] DEFORMÈí¼þÖÐÈÍÐÔ¶ÏÁÑ×Ó³ÌÐò

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      SUBROUTINE USRDM1(STS,EFSTS,EFEPS,DAMAG,STRLMT,DTIME)

C********************************************************************
C
C     User damage model
C
C     This routine is used to demonstrate the implementation of
C     damage routine.  All the real variables should be double
C     precision. the definition of arguments are described as follows
C
C     INPUT :
C
C      NRT       =   DAMAGE MODEL NUMBER
C      STS       =   STRESS
C      EFSTS     =   EFFECTIVE STRESS
C      EFEPS     =   EFFECTIVE STRAIN RATE
C      DAMAG     =   PREVIOUS ACCUMULATED DAMAGE
C      STRLMT    =   STRAIN LIMIT
C      DTIME     =   TIME INCREMENT
C
C     OUTPUT
C
C      DAMAG     =   NEW VALUE OF ACCUMULATED DAMAGE
C
C********************************************************************

      IMPLICIT INTEGER*4 (I,J,K,L,M,N), REAL*8 (A-H,O-Z)
C  Additional element data available from the common block ELMCOM
C     COMMON /ELMCOM/
C
C         RZE     : Four corner coordinates
C         URZE    : Velocity
C         STSE    : Stress
C         EPSE    : Strain rate
C         EFEPSE  : effective strain rate
C         EFSTSE  : Effective stress
C         TEPSE   : Total effective strain
C         RDTYE   : Density
C         TEMPE   : Temperature
C         DTMPE   : Temperature rate
C         DAMAGE  : Damage value
C         USRE1   : Element user state variable 1
C         USRE2   : Element user state variable 2
C         USRNE   : Nodal user state variables 1,2 at 4 nodes
C         NODEE   : Connectivity
C         KELE    : Global element number
C         KELEL   : Local element number
C         KGROUP  : Material group number
C
      COMMON /ELMCOM/ RZE(2,4),URZE(2,4),STSE(4),EPSE(4),EFEPSE,EFSTSE,
     +                TEPSE,RDTYE,TEMPE(4),DTMPE(4),DAMAGE,
     +                USRE1(1500),USRE2(1500),
     +                USRNE(1500,4),NODEE(4),KELE,KELEL,KGROUP
      DIMENSION STS(4)
C
C
   User codes
C
      RETURN
      END

[ Last edited by lj521775 on 2012-7-26 at 17:38 ]
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