V. Artigues
A5037722019- Magnetic confinement fusion research
- Meteorological Phenomena and Simulations
- Ionosphere and magnetosphere dynamics
- Radiation Effects in Electronics
- Fusion materials and technologies
- Advancements in Semiconductor Devices and Circuit Design
- Seismology and Earthquake Studies
- Parallel Computing and Optimization Techniques
- Superconducting Materials and Applications
- Image Enhancement Techniques
- Data Management and Algorithms
- Image Retrieval and Classification Techniques
- Color Science and Applications
- Nuclear reactor physics and engineering
- 3D Shape Modeling and Analysis
- Time Series Analysis and Forecasting
- Computer Graphics and Visualization Techniques
- Semiconductor materials and devices
- Particle accelerators and beam dynamics
- Advanced Data Storage Technologies
- Advanced Data Processing Techniques
- Computational Physics and Python Applications
Max Planck Institute for Plasma Physics
2018-2025
Max Planck Society
2018-2021
Max Planck Computing and Data Facility
2019
Abstract The JET 2019–2020 scientific and technological programme exploited the results of years concerted engineering work, including ITER-like wall (ILW: Be W divertor) installed in 2010, improved diagnostic capabilities now fully available, a major neutral beam injection upgrade providing record power 2019–2020, tested technical procedural preparation for safe operation with tritium. Research along three complementary axes yielded wealth new results. Firstly, plasma delivered scenarios...
Abstract In 2021 JET exploited its unique capabilities to operate with T and D–T fuel an ITER-like Be/W wall (JET-ILW). This second major campaign (DTE2), after DTE1 in 1997, represented the culmination of a series enhancements—new fusion diagnostics, new injection capabilities, refurbishment plant, increased auxiliary heating, in-vessel calibration 14 MeV neutron yield monitors—as well as significant advances plasma theory modelling community. DTE2 was complemented by sequence isotope...
Abstract Experiments on ASDEX Upgrade (AUG) in 2021 and 2022 have addressed a number of critical issues for ITER EU DEMO. A major objective the AUG programme is to shed light underlying physics confinement, stability, plasma exhaust order allow reliable extrapolation results obtained present day machines these reactor-grade devices. Concerning pedestal physics, mitigation edge localised modes (ELMs) using resonant magnetic perturbations (RMPs) was found be consistent with reduction linear...
Abstract Simulating plasma turbulence presents significant computational challenges due to the complex interplay of multi-scale dynamics. In this work, we investigate use convolutional neural networks improve efficiency simulations, focusing on Hasegawa-Wakatani model. The are trained learn closure terms in large eddy providing a computationally cheaper alternative high-resolution numerical solvers for capturing effects high-frequency components. This study is first successfully apply...
Abstract On the basis of several recent breakthroughs in fusion research, many activities have been launched around world to develop power plants on fastest possible time scale. In this context, high-fidelity simulations plasma behavior large supercomputers provide one main pathways accelerating progress by guiding crucial design decisions. When it comes determining energy confinement a magnetic device, which is key quantity interest, gyrokinetic turbulence are considered approach choice –...
Summary This paper reports on an in‐depth evaluation of the performance portability frameworks Kokkos and RAJA with respect to their suitability for implementation complex particle‐in‐cell (PIC) simulation codes, extending previous studies based codes from other domains. At example a model, we implemented hotspot code in C++ parallelized it using OpenMP, OpenACC, CUDA, Kokkos, RAJA, targeting multi‐core (CPU) graphics (GPU) processors. Both appear mature, are usable keep promise provide...
Abstract In tokamaks, a leading platform for fusion energy, periodic filamentary plasma eruptions known as edge-localized modes occur in plasmas with high-energy confinement and steep pressure profiles at the edge. These could damage tokamak wall but can be suppressed using small three-dimensional magnetic perturbations. Here we demonstrate that these perturbations change topology just inside gradient region of We identify signatures island, their observation is linked to suppression modes....
Disruptions in tokamaks remain, to this day, an unsolved issue on the path toward fusion power plants. Such events should be avoided or mitigated, requiring adequate detection of disruption causes. However, due complex nature causes, is, general, challenging. Despite recent progress designing prediction systems via data-driven methods, many questions remain open—such as disruption-type identification transfer such methods between different tokamaks. We propose a shapelet-based neural network...
This article presents a short reflection on volume estimation in point cloud using multi-agent system. Although some applications can be found clustering or stereology, this is case study. problem resumed to computing the of cells our cloud's Voronoi diagram. We used Monte Carlo method estimate cell's and distributed workload agents, then expose leads for future works, especially clustering.
This paper aims to present the result of an artistic color grading problem. We worked on a unique dataset provided by jewelry maker hemma · design à porter. focused finding right representation data get best results simple multilayer perceptron.
This paper reports on an in-depth evaluation of the performance portability frameworks Kokkos and RAJA with respect to their suitability for implementation complex particle-in-cell (PIC) simulation codes, extending previous studies based codes from other domains. At example a model, we implemented hotspot code in C++ parallelized it using OpenMP, OpenACC, CUDA, Kokkos, RAJA, targeting multi-core (CPU) graphics (GPU) processors. Both, appear mature, are usable keep promise provide across...