Rarefied Flows

Presentations

• Machine Learning Accelerated Rarefied Gas Dynamics Calculations Based on DSMC Dataset

  ORAL

  Nov. 23, 2025, 5:25 PM – Nov. 23, 2025, 5:38 PM

  Presenters

  • Ehsan Roohi

    • University of Massachusetts Amherst
    • Embry-Riddle Aeronautical University-Worldwide

  Authors

  • Ehsan Roohi

    • University of Massachusetts Amherst
    • Embry-Riddle Aeronautical University-Worldwide

  • Ahmad Shoja-Sani

    • University of Massachusetts Amherst

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• Deep learning closure of the Navier-Stokes equations and slip boundary conditions for transition-continuum flows

  ORAL

  Nov. 23, 2025, 5:38 PM – Nov. 23, 2025, 5:51 PM

  Presenters

  • Den Waidmann

    • University of Oxford

  Authors

  • Den Waidmann

    • University of Oxford

  • Narendra Singh

    • Texas A&M University

  • Marco Panesi

    • University of Illinois at Urbana-Champaign
    • University of California, Irvine

  • Justin Sirignano

    • University of Oxford

  • Jonathan F MacArt

    • University of Notre Dame

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• Experimental investigation of concentration diffusion in a rarefied supersonic free jet

  ORAL

  Nov. 23, 2025, 5:51 PM – Nov. 23, 2025, 6:04 PM

  Presenters

  • Han June Park

    • Seoul Natl Univ

  Authors

  • Han June Park

    • Seoul Natl Univ

  • Sung-gwang LEE

    • Seoul Natl Univ

  • Wontae Hwang

    • Department of Mechanical Engineering, Seoul National University, Seoul 08826, South Korea

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• Understanding plume expansion in transitional/rarefied media using multiscale computations

  ORAL

  Nov. 23, 2025, 6:04 PM – Nov. 23, 2025, 6:17 PM

  Presenters

  • Ganesh Dhungana

    • Auburn University

  Authors

  • Ganesh Dhungana

    • Auburn University

  • Nek Sharan

    • Auburn University

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• Beyond Fixed Thresholds: Situation-Aware Switching from Continuum to Kinetic Methods in Rarefied Gas Dynamics Simulations

  ORAL

  Nov. 23, 2025, 6:17 PM – Nov. 23, 2025, 6:30 PM

  Presenters

  • Akash Bhunia

    • Texas A&M University, College Station,TX,US

  Authors

  • Akash Bhunia

    • Texas A&M University, College Station,TX,US

  • Sharath S Girimaji

    • Texas A&M University, College Station,TX,US
    • Texas A&M University College Station
    • Texas A&M University

  • Daniel Livescu

    • Los Alamos National Laboratory (LANL)

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• Variational Multiscale Moment Method for the Boltzmann Equation: An Entropy Stable Extension to the Navier-Stokes-Fourier Equations

  ORAL

  Nov. 23, 2025, 6:30 PM – Nov. 23, 2025, 6:43 PM

  Publication: F. A. Baidoo, I. M. Gamba, T. J. R. Hughes, M. R. A. Abdelmalik, Extensions to the navier-stokes-fourier
  equations for rarefied transport: Variational multiscale moment methods for the boltzmann equation,
  (2024). arXiv:2407.17334.

  Presenters

  • Frimpong A Baidoo

    • University of Texas at Austin

  Authors

  • Frimpong A Baidoo

    • University of Texas at Austin

  • Irene Gamba

    • The University of Texas at Austin

  • Thomas J Hughes

    • The University of Texas at Austin

  • Michael R Abdelmalik

    • Eindhoven University of Technology

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• Correcting Navier-Stokes-Fourier System for Rarefied Flows with Non-Linear Super-Stencils

  ORAL

  Nov. 23, 2025, 6:43 PM – Nov. 23, 2025, 6:56 PM

  Presenters

  • Yijun Wang

    • ETH Zurich

  Authors

  • Yijun Wang

    • ETH Zurich

  • Patrick Jenny

    • ETH Zurich

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