Cascades and transitions in turbulent flows
A Alexakis, L Biferale - Physics Reports, 2018 - Elsevier
Turbulent flows are characterized by the non-linear cascades of energy and other inviscid
invariants across a huge range of scales, from where they are injected to where they are …
invariants across a huge range of scales, from where they are injected to where they are …
Multi-scale reconstruction of turbulent rotating flows with proper orthogonal decomposition and generative adversarial networks
Data reconstruction of rotating turbulent snapshots is investigated utilizing data-driven tools.
This problem is crucial for numerous geophysical applications and fundamental aspects …
This problem is crucial for numerous geophysical applications and fundamental aspects …
Identifying the multifractal set on which energy dissipates in a turbulent Navier–Stokes fluid
JD Gibbon - Physica D: Nonlinear Phenomena, 2023 - Elsevier
The rich multifractal properties of fluid turbulence illustrated by the work of Parisi and Frisch
are related explicitly to Leray's weak solutions of the three-dimensional Navier–Stokes …
are related explicitly to Leray's weak solutions of the three-dimensional Navier–Stokes …
Multi-scale reconstruction of turbulent rotating flows with generative diffusion models
We address the problem of data augmentation in a rotating turbulence set-up, a
paradigmatic challenge in geophysical applications. The goal is to reconstruct information in …
paradigmatic challenge in geophysical applications. The goal is to reconstruct information in …
Effect of filter type on the statistics of energy transfer between resolved and subfilter scales from a-priori analysis of direct numerical simulations of isotropic turbulence
The effects of different filtering strategies on the statistical properties of the resolved-to-
subfilter scale (SFS) energy transfer are analysed in forced homogeneous and isotropic …
subfilter scale (SFS) energy transfer are analysed in forced homogeneous and isotropic …
Turbulent Flows Are Not Uniformly Multifractal
S Mukherjee, SD Murugan, R Mukherjee, SS Ray - Physical Review Letters, 2024 - APS
Understanding turbulence rests delicately on the conflict between Kolmogorov's 1941 theory
of nonintermittent, space-filling energy dissipation characterized by a unique scaling …
of nonintermittent, space-filling energy dissipation characterized by a unique scaling …
Generative adversarial networks to infer velocity components in rotating turbulent flows
Inference problems for two-dimensional snapshots of rotating turbulent flows are studied.
We perform a systematic quantitative benchmark of point-wise and statistical reconstruction …
We perform a systematic quantitative benchmark of point-wise and statistical reconstruction …
Genesis of thermalization in the three-dimensional, incompressible, Galerkin-truncated Euler equation
SD Murugan, SS Ray - Physical Review Fluids, 2023 - APS
The long-time solutions of the Galerkin-truncated three-dimensional, incompressible Euler
equation relax to an absolute equilibrium as a consequence of phase space and kinetic …
equation relax to an absolute equilibrium as a consequence of phase space and kinetic …
Orientation dynamics of sedimenting anisotropic particles in turbulence
We examine the dynamics of small anisotropic particles (spheroids) sedimenting through
homogeneous isotropic turbulence using direct numerical simulations and theory. The …
homogeneous isotropic turbulence using direct numerical simulations and theory. The …
Flow-and temperature-based statistics characterizing the regimes in rapidly rotating turbulent convection in simulations employing no-slip boundary conditions
AJ Aguirre Guzmán, M Madonia, JS Cheng… - Physical Review …, 2022 - APS
We numerically investigate flow regimes of rotating Rayleigh-Bénard convection on a
horizontally periodic domain vertically bounded by no-slip walls from a statistical viewpoint …
horizontally periodic domain vertically bounded by no-slip walls from a statistical viewpoint …