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Universal route to thermalization in weakly-nonlinear one-dimensional chains
Lorenzo Pistone, Sergio Chibbaro, Miguel Bustamante +2
We apply Wave Turbulence theory to describe the dynamics on nonlinear one-dimensional chains. We consider and Fermi-Pasta-Ulam-Tsingou (FPUT) systems, and the discrete nonl…
A Lagrangian probability-density-function model for collisional turbulent fluid-particle flows. II. Application to homogeneous flows
Alessio Innocenti, Rodney O Fox, Maria Vittoria Salvetti +1
The Lagrangian probability-density-function model, proposed in Part I for dense particle-laden turbulent flows, is validated here against Eulerian-Lagrangian direct numerical simul…
A Lagrangian probability-density-function model for collisional turbulent fluid-particle flows. I. Model derivation
Alessio Innocenti, Rodney O Fox, Sergio Chibbaro
Inertial particles in turbulent flows are characterised by preferential concentration and segregation and, at sufficient mass loading, dense particle clusters may spontaneously ari…