2022 review of data-driven plasma science

R Anirudh, R Archibald, MS Asif… - … on Plasma Science, 2023 - ieeexplore.ieee.org
Data-driven science and technology offer transformative tools and methods to science. This
review article highlights the latest development and progress in the interdisciplinary field of …

Fast transport simulations with higher-fidelity surrogate models for ITER

J Citrin, P Trochim, T Goerler, D Pfau… - Physics of …, 2023 - pubs.aip.org
A fast and accurate turbulence transport model based on quasilinear gyrokinetics is
developed. The model consists of a set of neural networks trained on a bespoke quasilinear …

Efficient training sets for surrogate models of tokamak turbulence with active deep ensembles

L Zanisi, A Ho, J Barr, T Madula, J Citrin… - Nuclear …, 2024 - iopscience.iop.org
Abstract Model-based plasma scenario development lies at the heart of the design and
operation of future fusion powerplants. Including turbulent transport in integrated models is …

Inter-discharge optimization for fast, reliable access to ASDEX Upgrade advanced tokamak scenario

S Van Mulders, O Sauter, A Bock, A Burckhart… - Nuclear …, 2024 - iopscience.iop.org
Rapid inter-discharge simulation and optimization using the RAPTOR code have allowed
the development of a reliable and reproducible early heating strategy for an advanced …

Surrogate model of turbulent transport in fusion plasmas using machine learning

H Li, L Wang, YL Fu, ZX Wang, TB Wang, JQ Li - Nuclear Fusion, 2024 - iopscience.iop.org
The advent of machine learning (ML) has revolutionized the research of plasma
confinement, offering new avenues for exploration. It enables the construction of models that …

Scenario optimization for the tokamak ramp-down phase in RAPTOR: Part A. Analysis and model validation on ASDEX Upgrade

S Van Mulders, O Sauter, C Contré… - Plasma Physics and …, 2023 - iopscience.iop.org
We discuss how the combination of experimental observations and rapid modeling has
enabled to improve understanding of the tokamak ramp-down phase in ASDEX Upgrade. A …

Machine learning-enhanced model-based scenario optimization for DIII-D

S Morosohk, B Leard, T Rafiq, E Schuster - Nuclear Fusion, 2024 - iopscience.iop.org
Scenario development in tokamaks is an open area of investigation that can be approached
in a variety of different ways. Experimental trial and error has been the traditional method …

Scenario optimization for the tokamak ramp-down phase in RAPTOR: Part B. safe termination of DEMO plasmas

S Van Mulders, O Sauter, C Contré… - Plasma Physics and …, 2023 - iopscience.iop.org
An optimized plasma current ramp-down strategy is critical for safe and fast termination of
plasma discharges in a tokamak demonstration fusion reactor (DEMO), both in planned and …

[HTML][HTML] Model-based electron density estimation using multiple diagnostics on TCV

F Pastore, F Felici, T Bosman, C Galperti… - Fusion Engineering and …, 2023 - Elsevier
Estimation of the dynamic evolution of the electron plasma density during a tokamak
discharge is crucial since it directly affects the plasma performance, confinement and …

Modification of a machine learning‐based semi‐empirical turbulent transport model for its versatility

E Narita, M Honda, M Nakata, N Hayashi… - … to Plasma Physics, 2023 - Wiley Online Library
A machine learning‐based semi‐empirical turbulent transport model DeKANIS has been
modified to apply it independently of the device. DeKANIS predicts particle and heat fluxes …