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Conditional moment methods for polydisperse cavitating flows
Spencer H. Bryngelson, Rodney O. Fox, Tim Colonius
The dynamics of cavitation bubbles are important in many flows, but their small sizes and high number densities often preclude direct numerical simulation. We present a computation…
Efficient global resolvent analysis via the one-way Navier-Stokes equations. Part 2. Optimal response
Georgios Rigas, Omar Kamal, Aaron Towne +1
In this study, we develop an efficient approach for approximating resolvent modes via spatial marching. Building on the methodology from Part 1, we leverage the ability of the proj…
Efficient global resolvent analysis via the one-way Navier-Stokes equations. Part 1. Forced response
Aaron Towne, Georgios Rigas, Ethan Pickering +1
Resolvent analysis is a powerful tool for modeling and analyzing turbulent flows and in particular provides an approximation of coherent flow structures. Despite recent algorithmic…
Hybrid quadrature moment method for accurate and stable representation of non-Gaussian processes and their dynamics
Alexis-Tzianni Charalampopoulos, Spencer H. Bryngelson, Tim Colonius +1
Solving the population balance equation (PBE) for the dynamics of a dispersed phase coupled to a continuous fluid is expensive. Still, one can reduce the cost by representing the e…
Resolvent-based modeling of turbulent jet noise
Ethan Pickering, Aaron Towne, Peter Jordan +1
Resolvent analysis has demonstrated encouraging results for modeling coherent structures in jets when compared against their data-educed counterparts from high-fidelity large-eddy…