ABAQUS Analysis User's Manual  

25.2.45 VOIDRI
User subroutine to define initial void ratios.

Product: ABAQUS/Standard  

References

Overview

User subroutine VOIDRI:

  • will be called to define initial void ratio values at material calculation points of continuum elements (see Part V, “Elements”) in a porous medium whenever a user-defined initial condition on void ratio is specified; and

  • can be used to define initial void ratio values as functions of material point coordinates and/or element numbers.

User subroutine interface

      SUBROUTINE VOIDRI(EZERO,COORDS,NOEL)
C
      INCLUDE 'ABA_PARAM.INC'
C
      DIMENSION COORDS(3)
C

      user coding to define EZERO

      RETURN
      END

Variable to be defined

EZERO

Initial void ratio.

Variables passed in for information

COORDS

An array containing the current coordinates of this point.

NOEL

Element number.