Contents

• List of Figures
• Introduction
• Model Description
  • Data structures
  • Particle placement
  • Percolation assessment
  • Volume fraction via systematic point sampling
  • Diffusivity estimation via myopic random walkers
  • Input datafile description
• Example Results
• Potential Modifications to Code
  • No shell or variable shell thickness
  • Clustering of particles
  • Ellipsoidal particles
  • First passage times in random walks
• Summary
• Acknowledgements
• Bibliography
• Computer programs for hard core/soft shell model
  • Listing for randnum.c
  • Listing for burnt.c
  • Listing for volume.c
  • Listing for concrete.c
• Example datafiles for program execution
  • Example input datafile for use with concrete.c
  • Example sieve classification file- sieve.dat
  • Example output file- concrun.out