Statistical mechanical modeling of vibration-driven granular flow
Statistical mechanical modeling of vibration-driven grain piles reveals that these systems share most of the essential dynamical properties of conventional flowing liquids. This project is developing experimental and theoretical tools for studying and modeling these systems. Collaborators: Professors Peter Tkacik and Brid Mullany.
Weathering and subcritical cracking of surface rock
Surface rock deteriorates under the combined action of solar heating, chemical and biological erosion, and, e.g., freezing. This project combines theoretical modeling of near-surface, environmentally-driven, subcritical cracking of rock with a variety of field observations, including acoustic emission measurements from instrumented rocks, to expose the physical processes that cause weathering. Collaborator: Professor Missy Eppes.
Shock-boundary layer interactions within rocket nozzles
This project combines physical and analytical modeling and high-speed schlieren imaging to better understand shock-boundary layer interactions in supersonic rocket nozzle flows. Collaborators: Professors Peter Tkacik and Karen Thorsett-Hill.
Stochastic ascent dynamics of sounding rockets
Here, we’re developing high-level numerical, physical, and mathematical models which capture the effects of random nozzle side loads, random winds, random thrust variations, and deterministic aerodynamic loads on rocket ascent dynamics. Collaborators: Professor Peter Tkacik and Dr. Nilabh Srivastava.
Green’s function-stochastic process approaches for linear and nonlinear evolution problems
Useful connections between Green’s functions and stochastic processes are being developed and exploited.
Blast-structure interactions – ISERRT
In collaboration with Professor David Weggel (Civil Engineering, UNC Charlotte)
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