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Related papers: SMITER: A field-line tracing environment for ITER

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The ITER Heating Neutral Beam (HNB) injector is required to deliver 16.7 MW power into the plasma from a neutralised beam of H-/D- negative ions, produced by an RF source and accelerated up to 1 MeV. To enhance the H-/D- production, the…

Plasma Physics · Physics 2022-11-04 M. Barbisan , R. Pasqualotto , A. Rizzolo

ITER coil tolerances are re-evaluated using the modern understanding of coupling to least-stable plasma modes and an updated center-line-traced model of ITER's coil windings. This reassessment finds the tolerances to be conservative through…

Plasma Physics · Physics 2024-12-05 Matthew Pharr , Nikolas Logan , Carlos Paz-Soldan , Jong-Kyu Park , Chistopher Hansen

We introduce a Machine Learning framework, HIPED (HeIght and width Predictor for Edge Dynamics), for predicting and optimizing pedestal and core performance in spherical tokamak plasmas. Trained on pedestal and core datasets from the third…

Plasma Physics · Physics 2025-04-29 J. F. Parisi , J. G. Clark , J. W. Berkery , C. Bowman , C. J. Fitzpatrick , S. M. Kaye , M. Lampert

The purpose of this work is simulation of magnetised plasmas in the ITER project framework. In this context, Vlasov-Poisson like models are used to simulate core turbulence in the tokamak in a toroidal geometry. This leads to heavy…

This paper presents a real-time 3D mapping framework based on global matching cost minimization and LiDAR-IMU tight coupling. The proposed framework comprises a preprocessing module and three estimation modules: odometry estimation, local…

Robotics · Computer Science 2022-02-03 Kenji Koide , Masashi Yokozuka , Shuji Oishi , Atsuhiko Banno

A heat flux deposition code is a very useful tool for the design of plasma-facing components. The classical cosine model representative of the convective parallel heat flux was coded within the standard finite element code of the CEA Castem…

Plasma Physics · Physics 2021-02-24 R. Mitteau , A. Moal , J. Schlosser , D. Guilhem

A position-sensitive, high-resolution time-of-flight detector for fission fragments has been developed. The SPectrometer for Ion DEterminiation in fission Research (SPIDER) is a $2E-2v$ spectrometer designed to measure the mass of light…

The electron density close to the extraction grids and the co-extracted electrons represent a crucial issue when operating negative ion sources for fusion reactors. An excessive electron density in the plasma expansion region can indeed…

Plasma Physics · Physics 2023-03-29 R. Agnello , R. Cavazzana , I. Furno , R. Jacquier , R. Pasqualotto , E. Sartori , G. Serianni

Thermal modeling of Laser Powder Bed Fusion (LPBF) is challenging due to steep, rapidly moving thermal gradients induced by the laser, which are difficult to resolve accurately with conventional Finite Element Methods. Highly refined,…

Numerical Analysis · Mathematics 2025-11-26 Yang Yang , Ye Ji , Matthias Möller , Can Ayas

This paper presents a pioneering solution to the task of integrating mobile 3D LiDAR and inertial measurement unit (IMU) data with existing building information models or point clouds, which is crucial for achieving precise long-term…

Robotics · Computer Science 2024-08-29 Miguel Arturo Vega Torres , Alexander Braun , André Borrmann

We present RodSteward, a design-to-assembly system for creating furniture-scale structures composed of 3D printed joints and precision-cut rods. The RodSteward systems consists of: RSDesigner, a fabrication-aware design interface that…

Graphics · Computer Science 2019-06-14 Alec Jacobson

In this paper, a compact and efficient code implementation is presented for isogeometric topology optimization (ITO) approach. With the aid of B\.ezier extraction technique, a derived explicit stiffness matrix computation formula is applied…

Computational Engineering, Finance, and Science · Computer Science 2025-04-14 Xianda Xie , Zhihui Ou , Aodi Yang , Xiaobing Li , Shuting Wang

DETR-based methods, which use multi-layer transformer decoders to refine object queries iteratively, have shown promising performance in 3D indoor object detection. However, the scene point features in the transformer decoder remain fixed,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Chuxin Wang , Wenfei Yang , Xiang Liu , Tianzhu Zhang

Future complementary metal oxide semiconductor (CMOS) scaling for advanced integrated circuit (IC) technologies may well depend on "More than Moore" (MtM) approaches using heterogeneous integration of semiconductor-based devices. In order…

Materials Science · Physics 2012-04-09 J. Stopford , A. Henry , D. Allen , N. Bennett , D. Manessis , L. Boettcher , J. Wittge , A. N. Danilewsky , P. J. McNally

The heat flux mitigation during the Thermal Quench (TQ) by the Shattered Pellet Injection (SPI) is one of the major elements of disruption mitigation strategy for ITER. It's efficiency greatly depends on the SPI and the target plasma, and…

Plasma Physics · Physics 2024-06-10 D. Hu , F. J. Artola , E. Nardon , M. Lehnen , M. Kong , D. Bonfiglio , M. Hoelzl , G. T. A. Huijsmans , JOREK Team

Hydrodynamic simulations are powerful tools for studying galaxy formation. However, it is crucial to test and improve the sub-grid physics underlying these simulations by comparing their predictions with observations. To this aim,…

Astrophysics of Galaxies · Physics 2025-07-30 A. Cornejo-Cárdenas , E. Sillero , P. B. Tissera , M. Boquien , J. Vilchez , G. Bruzual , P. Jofré

An efficient hardware implementation for Simultaneous Localization and Mapping (SLAM) methods is of necessity for mobile autonomous robots with limited computational resources. In this paper, we propose a resource-efficient FPGA…

Signal Processing · Electrical Eng. & Systems 2023-05-31 Keisuke Sugiura , Hiroki Matsutani

The Stepped Pressure Equilibrium Code (SPEC) [Hudson et al., Phys. Plasmas 19, 112502 (2012)] has been successful in the construction of equilibria in 3D configurations that contain a mixture of flux surfaces, islands and chaotic magnetic…

Plasma Physics · Physics 2021-11-17 Z. S. Qu , S. R. Hudson , R. L. Dewar , J. Loizu , M. J. Hole

Line-intensity mapping (LIM) is an emerging observational technique that is used to observe the universe on large scales at low resolution through spectral line emission. Stacking analyses coadd cutouts of LIM data on positions of known…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-30 Ella M. Mansfield , Delaney A. Dunne , Dongwoo T. Chung

In this paper we develop an analytical framework for the study of electrochemical impedance of mixed ionic and electronic conductors (MIEC). The framework is based on first-principles and it features the coupling of electrochemical…

Chemical Physics · Physics 2017-08-23 Francesco Ciucci , Yong Hao , David G. Goodwin
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