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Large-Eddy Simulations of the Steady Wintertime Antarctic Boundary Layer

Publications associées (31)

Towards practical reinforcement learning for tokamak magnetic control

Federico Alberto Alfredo Felici, Cristian Galperti, Jonas Buchli, Brendan Tracey

Reinforcement learning (RL) has shown promising results for real-time control systems, including the domain of plasma magnetic control. However, there are still significant drawbacks compared to traditional feedback control approaches for magnetic confinem ...

Elsevier Science Sa2024

A cut-cell method for the numerical simulation of 3D multiphase flows with strong interfacial effects

Marco Picasso, Alexandre Caboussat, Julien Hess, Alexandre Masserey

We present a numerical model for the approximation of multiphase flows with free surfaces and strong interfacial effects. The model relies on the multiphase incompressible Navier-Stokes equations, and includes surface tension effects on the interfaces betw ...

Academic Press Inc Elsevier Science2024

Numerical Study of the Attosecond Free-Electron Laser Pulse Generation in the Soft X-ray Regime at the SwissFEL

Longdi Zhu

Isolated attosecond pulses from an X-ray free-electron laser are in high demand for attosecond science, which enables the probing of electron dynamics by X-ray nonlinear spectroscopy and single-particle imaging. The aim of this thesis is to simulate attos ...

EPFL2024

Turbulence in the Strongly Heterogeneous Near-Surface Boundary Layer over Patchy Snow

Michael Lehning, Dylan Stewart Reynolds, Michael Haugeneder

The near-surface boundary layer above patchy snow cover in mountainous terrain is characterized by a highly complex interplay of various flows on multiple scales. In this study, we present data from a comprehensive field campaign that cover a period of 21 ...

2024

Ultraviolet Superradiance from Mega-Networks of Tryptophan in Biological Architectures

Majed Chergui, Katrin Elisabeth Oberhofer

Networks of tryptophan (Trp)& horbar;an aromatic amino acid with strong fluorescence response & horbar;are ubiquitous in biological systems, forming diverse architectures in transmembrane proteins, cytoskeletal filaments, subneuronal elements, photorecepto ...

Amer Chemical Soc2024

An improved analytical framework for flow prediction inside and downstream of wind farms

Fernando Porté Agel, Marwa Souaiby

This study evaluates available analytical wake models for flow prediction inside and downstream of wind farms of different sizes and layouts using large-eddy simulation (LES), and introduces an enhanced analytical framework. All the tested analytical wake ...

Pergamon-Elsevier Science Ltd2024

A comprehensive stroke risk assessment by combining atrial computational fluid dynamics simulations and functional patient data

Alfio Quarteroni

Stroke, a major global health concern often rooted in cardiac dynamics, demands precise risk evaluation for targeted intervention. Current risk models, like the CHA 2 DS 2 -VASc \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepa ...

Nature Portfolio2024

Characterization of Transverse Instabilities Driven by Electron Cloud

Sofia Carolina Johannesson

Electron cloud continues to be one of the main limiting factors of the Large Hadron Collider (LHC), the biggest accelerator at CERN. These clouds form in the beam chamber when positively charged particles are passing through and cause unwanted effects in b ...

EPFL2024

Nonlinear simulation of plasma turbulence using a gyrokinetic moment-based approach

Antoine Cyril David Hoffmann

Plasma turbulence plays a fundamental role in determining the performances of magnetic confinement fusion devices, such as tokamaks. Advances in computer science, combined with the development of efficient physical models, have significantly improved our u ...

EPFL2024

Large-Eddy Simulations of the Steady Wintertime Antarctic Boundary Layer

Towards practical reinforcement learning for tokamak magnetic control

A cut-cell method for the numerical simulation of 3D multiphase flows with strong interfacial effects

Numerical Study of the Attosecond Free-Electron Laser Pulse Generation in the Soft X-ray Regime at the SwissFEL

Turbulence in the Strongly Heterogeneous Near-Surface Boundary Layer over Patchy Snow

Ultraviolet Superradiance from Mega-Networks of Tryptophan in Biological Architectures

An improved analytical framework for flow prediction inside and downstream of wind farms

A comprehensive stroke risk assessment by combining atrial computational fluid dynamics simulations and functional patient data

Characterization of Transverse Instabilities Driven by Electron Cloud

Nonlinear simulation of plasma turbulence using a gyrokinetic moment-based approach

Graph Chatbot

Towards practical reinforcement learning for tokamak magnetic control

A cut-cell method for the numerical simulation of 3D multiphase flows with strong interfacial effects

Numerical Study of the Attosecond Free-Electron Laser Pulse Generation in the Soft X-ray Regime at the SwissFEL

Turbulence in the Strongly Heterogeneous Near-Surface Boundary Layer over Patchy Snow

Ultraviolet Superradiance from Mega-Networks of Tryptophan in Biological Architectures

An improved analytical framework for flow prediction inside and downstream of wind farms

A comprehensive stroke risk assessment by combining atrial computational fluid dynamics simulations and functional patient data

Characterization of Transverse Instabilities Driven by Electron Cloud

Nonlinear simulation of plasma turbulence using a gyrokinetic moment-based approach

The Advection Boundary Law in presence of mean-flow and spinning modes

The Advection Boundary Law in presence of mean-flow and spinning modes