Search Results for author: Luca Biferale

Found 11 papers, 2 papers with code

Synthetic Lagrangian Turbulence by Generative Diffusion Models

1 code implementation17 Jul 2023 Tianyi Li, Luca Biferale, Fabio Bonaccorso, Martino Andrea Scarpolini, Michele Buzzicotti

Lagrangian turbulence lies at the core of numerous applied and fundamental problems related to the physics of dispersion and mixing in engineering, bio-fluids, atmosphere, oceans, and astrophysics.

Generative Adversarial Networks to infer velocity components in rotating turbulent flows

no code implementations18 Jan 2023 Tianyi Li, Michele Buzzicotti, Luca Biferale, Fabio Bonaccorso

We perform a systematic quantitative benchmark of point-wise and statistical reconstruction capabilities of the linear Extended Proper Orthogonal Decomposition (EPOD) method, a non-linear Convolutional Neural Network (CNN) and a Generative Adversarial Network (GAN).

Generative Adversarial Network

Taming Lagrangian Chaos with Multi-Objective Reinforcement Learning

no code implementations19 Dec 2022 Chiara Calascibetta, Luca Biferale, Francesco Borra, Antonio Celani, Massimo Cencini

We consider the problem of two active particles in 2D complex flows with the multi-objective goals of minimizing both the dispersion rate and the energy consumption of the pair.

Multi-Objective Reinforcement Learning Q-Learning +2

Reinforcement learning for pursuit and evasion of microswimmers at low Reynolds number

no code implementations16 Jun 2021 Francesco Borra, Luca Biferale, Massimo Cencini, Antonio Celani

We consider a model of two competing microswimming agents engaged in a pursue-evasion task within a low-Reynolds-number environment.

Position reinforcement-learning +1

Cascade or not cascade? Energy transfer and elastic effects in active nematics

no code implementations12 Jan 2021 Livio Nicola Carenza, Luca Biferale, Giuseppe Gonnella

We numerically study the multi-scale properties of a 2d active gel to address the energy transfer mechanism.

Soft Condensed Matter

Structure and Isotropy of Lattice Pressure Tensors for Multi-range Potentials

2 code implementations26 Sep 2020 Matteo Lulli, Luca Biferale, Giacomo Falcucci, Mauro Sbragaglia, Xiaowen Shan

We systematically analyze the tensorial structure of the lattice pressure tensors for a class of multi-phase lattice Boltzmann models (LBM) with multi-range interactions.

Statistical Mechanics Cellular Automata and Lattice Gases Fluid Dynamics

Flow Navigation by Smart Microswimmers via Reinforcement Learning

no code implementations30 Jan 2017 Simona Colabrese, Kristian Gustavsson, Antonio Celani, Luca Biferale

Smart active particles can acquire some limited knowledge of the fluid environment from simple mechanical cues and exert a control on their preferred steering direction.

Navigate reinforcement-learning +2

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