Women in Technology Lecture Series: Dr Vanessa Robin

1:00pm - 2:00pm / Tuesday 14th May 2019 / Venue: ELT Electrical Engineering & Electronics
Type: Lecture / Category: Research / Series: WiT (Women in Technology) Lecture Series
  • 0151795 4297
  • Suitable for: Staff, students and anyone with an interest in the subject
  • Admission: Free
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Insights from the topological and geometric analysis of porous and granular materials

Abstract: The physical properties of porous and granular materials critically depend on the topological and geometric details of the material micro-structure. For example, the way water flows through sandstone depends on the connectivity and diameters of its pores, and the balance of forces in a grain silo on the contacts between individual grains. My work with the x-ray micro-CT group at ANU has produced topologically valid and efficient algorithms for studying and quantifying the intricate structure of complex porous materials. We have shown that measures such as the Minkowski functionals and persistent homology give clear signatures of crystallisation in bead packs, the degree of consolidation in granular materials, and correlate to physical properties such as fluid permeability and non-wetting phase trapping capacity in sandstones.