anchor.diff:  K, 6, L, t         ! E corner of ply interface
   
   K, 7, 0.0, a       ! crack tip
  -K, 8, a, 0.0       ! S corner of refined area interface
  -K, 9, a, t         ! N corner of refined area interface
  -K, 10, a, a         ! E corner in refined area interface
  +K, 8, refW, 0.0    ! S corner of refined area interface
  +K, 9, refW, t      ! N corner of refined area interface
  +K, 10, refW, a     ! E corner in refined area interface
   
   ! Lines
   
  
positive.code: 
  ! Define Material Properties
  
  MP,EX,1,ET        ! 1 is cross-ply, 2 is ud-ply 
  !MP,EY,1,ET        ! 1 is cross-ply, 2 is ud-ply
  !MP,EZ,1,EL        ! 1 is cross-ply, 2 is ud-ply
  MP,NUXY,1,nuTT    ! mp,Poisson's ratio,material number,value
  !MP,NUYZ,1,nuLT    ! mp,Poisson's ratio,material number,value
  !MP,NUXZ,1,nuLT    ! mp,Poisson's ratio,material number,value
  !MP,GXY,1,GTT      ! mp,Poisson's ratio,material number,value
  !MP,GYZ,1,GLT      ! mp,Poisson's ratio,material number,value
  !MP,GXZ,1,GLT      ! mp,Poisson's ratio,material number,value
  MP,EX,2,EL        ! 1 is cross-ply, 2 is ud-ply 
  !MP,EY,2,ET        ! 1 is cross-ply, 2 is ud-ply
  !MP,EZ,2,ET        ! 1 is cross-ply, 2 is ud-ply
  MP,NUXY,2,nuLT    ! mp,Poisson's ratio,material number,value
  !MP,NUYZ,2,nuTT    ! mp,Poisson's ratio,material number,value
  !MP,NUXZ,2,nuLT    ! mp,Poisson's ratio,material number,value
  !MP,GXY,2,GLT      ! mp,Poisson's ratio,material number,value
  !MP,GYZ,2,GTT      ! mp,Poisson's ratio,material number,value
  !MP,GXZ,2,GLT      ! mp,Poisson's ratio,material number,value
  
  ! Assign properties to areas
  ! ASEL, Type, Item, Comp, VMIN, VMAX, VINC, KSWP
  
negative.code: 
  refLRatio = 0.1   ! [-]  ratio of refined area width to model's length
  
  nContours = 10    ! [-]  number of contours for J-integral evaluation
  
  crossPly = 0      ! flag for type of elasticity: 0 -> isotropic, 1 -> engineering constants
  udPly = 0      ! flag for type of elasticity: 0 -> isotropic, 1 -> engineering constants
  
  EL = 3500.0! [MPa] UD longitudinal Young's modulus
  ET = 3500.0! [MPa] UD transverse Young's modulus
  