Turbulence: Large Eddy Simulations and Direct Numerical Simulations

Presentations

• Stable a posteriori LES of forced two-dimensional turbulence using shallow artificial neural networks

  ORAL

  Nov. 21, 2022, 8:00 AM – Nov. 21, 2022, 8:13 AM

  Presenters

  • Aditya Sai Pranith Ayapilla

    • Tohoku University

  Authors

  • Aditya Sai Pranith Ayapilla

    • Tohoku University

  • Yuji Hattori

    • Tohoku University
    • Institute of Fluid Science, Tohoku University

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• The role of the areal parameters on turbulent flow over gaussian roughness Federica Bruno¹,Stefano Leonardi², Mauro De Marchis¹ ¹ Department of Engineering and Architecture, University Kore Enna, Italy ² Department of Mechanical Engineering, University of Texas at Dallas, Richardson, Texax, USA

  ORAL

  Nov. 21, 2022, 8:13 AM – Nov. 21, 2022, 8:26 AM

  Presenters

  • Federica Bruno

    • University kore of Enna

  Authors

  • Federica Bruno

    • University kore of Enna

  • Stefano Leonardi

    • UTD Wind, University of Texas at Dallas
    • Department of Mechanical Engineering, University of Texas at Dallas
    • University of Texas at Dallas

  • Mauro De Marchis

    • Università Kore di Enna

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• Exact decomposition of the kinetic helicity flux in homogenous turbulence

  ORAL

  Nov. 21, 2022, 8:26 AM – Nov. 21, 2022, 8:39 AM

  Publication: Exact decomposition of the kinetic helicity flux in homogenous turbulence

  Presenters

  • Damiano Capocci

    • University of Rome Tor Vergata

  Authors

  • Damiano Capocci

    • University of Rome Tor Vergata

  • Perry L Johnson

    • University of California, Irvine

  • Sean Oughton

    • University of Waikato

  • Luca Biferale

    • University of Roma Tor Vergata & INFN
    • University of Rome Tor Vergata
    • Department of Physics and INFN, University of Rome "Tor Vergata", Via della Ricerca Scientifica 1, 00133, Rome, Italy
    • University of Rome

  • Moritz Linkmann

    • School of Mathematic, University of Edinburgh
    • School of Mathematics, University of Edinburgh

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• A Data-Driven Nonlinear Eddy Viscosity Model for Sub-Grid Scale Stress Closure

  ORAL

  Nov. 21, 2022, 8:39 AM – Nov. 21, 2022, 8:52 AM

  Presenters

  • Samantha Friess

    • University of Colorado at Boulder

  Authors

  • Samantha Friess

    • University of Colorado at Boulder

  • Basu Parmar

    • University of Colorado at Boulder

  • Aviral Prakash

    • University of Colorado at Boulder
    • University of Colorado Boulder

  • John A Evans

    • University of Colorado at Boulder
    • University of Colorado, Boulder

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• Large Eddy Simulations of wall bounded turbulent flows with fixed filter width

  ORAL

  Nov. 21, 2022, 8:52 AM – Nov. 21, 2022, 9:05 AM

  Publication: Proceedings of the 2022 Summer Program, Center for Turbulence Research

  Presenters

  • Sandip Ghosal

    • Northwestern University

  Authors

  • Sandip Ghosal

    • Northwestern University

  • Rahul Agrawal

    • Center for Turbulence Research, Stanford University

  • Ahmed Elnahhas

    • Center for Turbulence Research, Stanford University

  • Perry L Johnson

    • University of California, Irvine

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• Large eddy simulation of MHD turbulent Taylor-Couette flow in axial magnetic field

  ORAL

  Nov. 21, 2022, 9:05 AM – Nov. 21, 2022, 9:18 AM

  Presenters

  • Hiromichi Kobayashi

    • Keio Univ

  Authors

  • Hiromichi Kobayashi

    • Keio Univ

  • Takahiro Hasebe

    • University of Tsukuba

  • Takayasu Fujino

    • University of Tsukuba

  • Hidemasa Takana

    • Tohoku University

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• Wall-pressure fluctuations in a high-Reynolds-number turbulent-boundary-layer flow over a forward step

  ORAL

  Nov. 21, 2022, 9:18 AM – Nov. 21, 2022, 9:31 AM

  Presenters

  • Yi Liu

    • University of Notre Dame

  Authors

  • Di Zhou

    • University of Notre Dame

  • Yi Liu

    • University of Notre Dame

  • Meng Wang

    • University of Notre Dame

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• DNS and LES of turbulent channel flows with temperature-dependent variable viscosity

  ORAL

  Nov. 21, 2022, 9:31 AM – Nov. 21, 2022, 9:44 AM

  Presenters

  • Kazuhiko Suga

    • Osaka Prefecture University

  Authors

  • Kazuhiko Suga

    • Osaka Prefecture University

  • Yusuke Kuwata

    • Osaka Metropolitan University

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• Explainable transfer learning for data-driven closure modeling of Rayleigh-Benard turbulence across parameters

  ORAL

  Nov. 21, 2022, 9:44 AM – Nov. 21, 2022, 9:57 AM

  Publication: Subel, Adam, Yifei Guan, Ashesh Chattopadhyay, and Pedram Hassanzadeh. "Explaining the physics of transfer learning a data-driven subgrid-scale closure to a different turbulent flow." arXiv preprint arXiv:2206.03198 (2022).

  Presenters

  • YIFEI GUAN

    • Rice University

  Authors

  • YIFEI GUAN

    • Rice University

  • Ashesh K Chattopadhyay

    • Rice University

  • Pedram Hassanzadeh

    • Rice
    • Rice University

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