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Acoustic Cavitation Rheometry
Lauren Mancia, Jin Yang, Jean-Sebastien Spratt +5
Characterization of soft materials is challenging due to their high compliance and the strain-rate dependence of their mechanical properties. The inertial microcavitation-based hig…
Multi-resolution lattice Green's function method for incompressible flows
Ke Yu, Benedikt Dorschner, Tim Colonius
We propose a multi-resolution strategy that is compatible with the lattice Green's function (LGF) technique for solving viscous, incompressible flows on unbounded domains. The LGF…
Flutter Instability in an Internal Flow Energy Harvester
L. P. Tosi, B. Dorschner, T. Colonius
Vibration-based flow energy harvesting enables robust, in-situ energy extraction for low-power applications, such as distributed sensor networks. Fluid-structure instabilities dict…
Dynamics and decay of a spherical region of turbulence in free space
Ke Yu, Tim Colonius, D. I. Pullin +1
We perform direct numerical simulation (DNS) and large eddy simulation (LES) of an initially spherical region of turbulence evolving in free space. The computations are performed w…
QBMMlib: A library of quadrature-based moment methods
Spencer H. Bryngelson, Tim Colonius, Rodney O. Fox
QBMMlib is an open source Mathematica package of quadrature-based moment methods and their algorithms. Such methods are commonly used to solve fully-coupled disperse flow and combu…
Characterizing viscoelastic materials via ensemble-based data assimilation of bubble collapse observations
Jean-Sebastien Spratt, Mauro Rodriguez, Kevin Schmidmayer +4
Viscoelastic material properties at high strain rates are needed to model many biological and medical systems. Bubble cavitation can induce such strain rates, and the resulting bub…