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MFE: Analytical and Computational Techniques

ORAL · GO05 · ID: 660100

Presentations

  • An implicit, conservative, asymptotic-preserving electrostatic particle-in-cell algorithm for arbitrarily magnetized plasmas

    ORAL

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    Publication: [1] Chen et al. JCP, submitted<br>[2] Chen et al., JCP 230 (2011)<br>[3] Ricketson et al., JCP 418 (2020)<br>[4] Koshkarov et al., JCP 459 (2022)

    Presenters

    • Luis Chacon

      Los Alamos Natl Lab, Los Alamos National Lab

    Authors

    • Luis Chacon

      Los Alamos Natl Lab, Los Alamos National Lab

    • Guangye Chen

      Los Alamos Natl Lab, Los Alamos National Laboratory

    • Oleksandr Koshkarov

      Los Alamos National Laboratory

    • Lee Ricketson

      Lawrence Livermore Natl Lab, Lawrence Livermore National Laboratory

    View abstract →

  • Fundamental limits in a magnetically confined thermonuclear fusion reactor

    ORAL

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    Publication: 1. Chen, C., Becker, J.R. and Farrell, JJ. New criterion for ignition in a magnetically confined thermonuclear fusion reactor, submitted for publication in IEEE Trans. Plasma Sci., May 23, 2022.

    Presenters

    • Chiping Chen

      Brookline Consultants

    Authors

    • Chiping Chen

      Brookline Consultants

    • James Becker

      Beyond Carbon Energy, LLC

    • James Farrell

      Beyond Carbon Energy, LLC

    View abstract →

  • Multi-species magnetized plasma fluid simulations with BOUT++/Hermes

    ORAL

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    Publication: Publication "Hermes-3: Multifluid simulations with BOUT++" currently in draft form. Expect submission July 2022.

    Presenters

    • Benjamin Dudson

      Lawrence Livermore Natl Lab

    Authors

    • Benjamin Dudson

      Lawrence Livermore Natl Lab

    • Kaden Loring

      Stanford University

    • Hasan Muhammed

      University of York

    • John T Omotani

      UKAEA

    View abstract →

  • Can drift-ordered fluid models be made fully consistent?

    ORAL

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    Presenters

    • Federico D Halpern

      General Atomics, General Atomics - San Diego

    Authors

    • Federico D Halpern

      General Atomics, General Atomics - San Diego

    • Ronald E Waltz

      General Atomics - San Diego

    • Tess Bernard

      General Atomics- San Diego, Oak Ridge Assoc Univ, General Atomics - San Diego

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  • A predictor-corrector scheme for hybrid fluid-PIC electrostatic plasma simulation

    ORAL

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    Publication: L. T. Meredith, M. Rezazadeh, M. F. Huq, J. Drobny, V. V. Srinivasaragavan, O. Sahni, D. Curreli, hPIC2: a hardware-accelerated, hybrid particle-in-cell code for dynamic plasma-material interactions, (under submission).

    Presenters

    • Logan Meredith

      University of Illinois at Urbana-Champaign

    Authors

    • Logan Meredith

      University of Illinois at Urbana-Champaign

    • Davide Curreli

      University of Illinois, University of Illinois at Urbana-Champaign

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  • A Learned Fluid Closure for Phase Mixing Applied to a Turbulent Gradient-Driven Gyrokinetic System in Simple Geometry

    ORAL

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    Publication: Shukla, A., Hatch, D., Dorland, W., & Michoski, C. (2022). A learned closure method applied to phase mixing in a turbulent gradient-driven gyrokinetic system in simple geometry. Journal of Plasma Physics, 88(1), 905880115. doi:10.1017/S0022377822000095

    Presenters

    • Akash Shukla

      University of Texas at Austin, The Univeristy of Texas at Austin

    Authors

    • Akash Shukla

      University of Texas at Austin, The Univeristy of Texas at Austin

    • David R Hatch

      University of Texas at Austin, UT-Austin

    • William D Dorland

      University of Maryland Department of Physics, University of Maryland, College Park

    • Craig Michoski

      University of Texas at Austin

    View abstract →

  • Anisotropic Elastic Scattering Models of Neutral Fusion-Relevant Species for Monte Carlo Plasma Modeling

    ORAL

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    Presenters

    • Mark C Zammit

      LANL

    Authors

    • Mark C Zammit

      LANL

    • Ryan M Park

      LANL

    • Brett S Scheiner

      Los Alamos National Laboratory

    • James Colgan

      LANL, Los Alamos Natl Lab

    • Christopher J Fontes

      Los Alamos National Laboratory, Los Alamos Natl Lab

    • William Kupets

      Los Alamos National Laboratory, LANL

    • Eddy M Timmermans

      Los Alamos Natl Lab

    • Xianzhu Tang

      Los Alamos Natl Lab

    • Nathan Garland

      Griffith University

    View abstract →

  • Gaussian Process Regression for Equilibrium Reconstruction of DIII-D Plasmas

    ORAL

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    Presenters

    • Jarrod Leddy

      Tech-X Corp

    Authors

    • Jarrod Leddy

      Tech-X Corp

    • Sandeep Madireddy

      Argonne National Laboratory

    • Eric C Howell

      Tech-X Corp

    • Scott E Kruger

      Tech-X Corp

    • Cihan Akcay

      General Atomics

    • Lang L Lao

      General Atomics

    • Joseph T McClenaghan

      General Atomics - San Diego, General Atomics

    • David Orozco

      General Atomics - San Diego, General Atomics

    • Sterling P Smith

      General Atomics, General Atomics - San Diego

    • Torrin A Bechtel

      Oakridge Associate Universities

    • Alexei Pankin

      Princeton Plasma Physics Laboratory

    View abstract →

  • Model Order Reduction of the Plasma Equilibrium Reconstruction framework EFIT with Deep Neural Networks

    ORAL

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    Presenters

    • Sandeep Madireddy

      Argonne National Laboratory

    Authors

    • Jaehoon Koo

      Argonne National Laboratory

    • Sandeep Madireddy

      Argonne National Laboratory

    • Cihan Akcay

      General Atomics

    • Torrin A Bechtel

      Oakridge Associate Universities

    • Scott E Kruger

      Tech-X Corp

    • Yueqiang Q Liu

      General Atomics - San Diego, General Atomics

    • Xuan Sun

      Caltech, Oak Ridge Associated University

    • Prasanna Balaprakash

      Argonne National Laboratory

    • Lang L Lao

      General Atomics

    View abstract →

  • Adaptive toroidal equilibrium code ATEQ and the X- point effects on the external MHD modes

    ORAL

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    Publication: Linjin Zheng, M. T. Kotschenreuther, F. L. Waelbroeck, and Y. Todo, ATEQ: Adaptive Toroidal Equilibrium code, Phys. Plasmas 29(7), in press (2022).

    Presenters

    • Linjin Zheng

      University of Texas at Austin

    Authors

    • Linjin Zheng

      University of Texas at Austin

    • Michael T Kotschenreuther

      University of Texas at Austin

    • Francois L Waelbroeck

      University of Texas - Austin, University of Texas, Austin, University of Texas at Austin

    • Yasushi Todo

      National Institute for Fusion Science, National Insti- tute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu, Japan

    View abstract →

  • XGC Gyrokinetic simulations of coupled core delta-f and edge total-f models with a canonical maxwellian in the core*

    ORAL

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    Presenters

    • Pallavi Trivedi

      Princeton Plasma Physics Laboratory

    Authors

    • Pallavi Trivedi

      Princeton Plasma Physics Laboratory

    • Julien Dominski

      Princeton Plasma Physics Laboratory

    • Choongseok Chang

      Princeton Plasma Physics Laboratory, PPPL, Princeton Plasma Physics Laboratory, Princeton University

    • Robert Hager

      Princeton Plasma Physics Laboratory

    • Seung-Hoe Ku

      Princeton Plasma Physics Laboratory

    • Aaron Scheinberg

      Jubilee Development, Jubilee Development, Cambridge, MA, USA

    • Amitava Bhattacharjee

      Princeton University, Princeton University, PPPL, Princeton Plasma Physics Laboratory, Princeton University

    View abstract →

  • Plasma-wave interaction modelling in magnetic confined devices with the finite element method

    ORAL

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    Publication: [1] L. Colas et al., "The geometry of the ICRF-induced wave–SOL interaction. A multi-machine experimental review in view of the ITER operation", Nucl. Fusion 62 016014, 2022.<br><br>[2] R. Otin et al., "Full wave simulation of RF waves in cold plasma with the stabilized open-source finite element tool ERMES", AIP Conference Proceedings, Vol. 2254, 050009, 2020.<br><br>[3] W. Tierens et al., "Recent improvements to the ICRF antenna coupling code RAPLICASOL", AIP Conference Proceedings, Vol. 2254, 070005, 2020.<br><br>[4] R. Otin, "ERMES: A nodal-based finite element code for electromagnetic simulations in frequency domain", Computer Physics Communications, Vol. 184 (11), pp. 2588-2595, 2013.

    Presenters

    • Ruben Otin

      UK Atomic Energy Authority

    Authors

    • Ruben Otin

      UK Atomic Energy Authority

    • Guillaume Urbanczyk

      Institute of Plasma Physics CAS

    • Wouter Tierens

      Max-Planck-Institut fr Plasmaphysik

    View abstract →