Interact: Turbulence: Fundamentals

Presentations

• Assessment of Lagrangian velocity gradient models using a triple decomposition

  ORAL

  Nov. 23, 2025, 2:00 PM – Nov. 23, 2025, 2:01 PM

  Presenters

  • Perry L Johnson

    University of California, Irvine

  Authors

  • Perry L Johnson

    University of California, Irvine

  • Mostafa Kamal

    University of California, Irvine

  View abstract →

• Identification and Characterization of Vortex Stretching Events in Turbulent Channel Flow Using Combined BKM-Q Criterion

  ORAL

  Nov. 23, 2025, 2:01 PM – Nov. 23, 2025, 2:02 PM

  Presenters

  • Sana Nazir

    Purdue University- West Lafayette

  Authors

  • Sana Nazir

    Purdue University- West Lafayette

  View abstract →

• Turbulence without the Viscous Tilting of Vorticity

  ORAL

  Nov. 23, 2025, 2:02 PM – Nov. 23, 2025, 2:03 PM

  Presenters

  • Amr Abdelrahman

    University of California, Irvine

  Authors

  • Amr Abdelrahman

    University of California, Irvine

  • Mostafa Kamal

    University of California, Irvine

  • Perry L Johnson

    University of California, Irvine

  View abstract →

• Reconstructing high-Reynolds-number flow statistics through a rescaling ensemble of Reynolds-similar flows

  ORAL

  Nov. 23, 2025, 2:03 PM – Nov. 23, 2025, 2:04 PM

  Presenters

  • Tim S Niemeyer

    University of Bayreuth

  Authors

  • Tim S Niemeyer

    University of Bayreuth

  View abstract →

• Fluctuating Hydrodynamics of Homogeneous Isotropic Compressible Turbulence

  ORAL

  Nov. 23, 2025, 2:04 PM – Nov. 23, 2025, 2:05 PM

  Publication: I. Srivastava, A. Nonaka, W. Zhang, A. Garcia, J. Bell, arXiv:2505.13458 (2025)

  Presenters

  • Ishan Srivastava

    Lawrence Berkeley National Laboratory

  Authors

  • Ishan Srivastava

    Lawrence Berkeley National Laboratory

  • Andrew J Nonaka

    Lawrence Berkeley National Laboratory

  • Weiqun Zhang

    Lawrence Berkeley National Laboratory

  • Alejandro L Garcia

    San Jose State University

  • John B Bell

    Lawrence Berkeley National Laboratory

  View abstract →

• Intermittency of longitudinal and transverse velocity gradients in turbulence and their relation to inertial range exponents

  ORAL

  Nov. 23, 2025, 2:05 PM – Nov. 23, 2025, 2:06 PM

  Presenters

  • Dhawal Buaria

    Texas Tech University, USA

  Authors

  • Dhawal Buaria

    Texas Tech University, USA

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• On probability density functions of locally averaged dissipation and 1D surrogate in isotropic turbulence

  ORAL

  Nov. 23, 2025, 2:06 PM – Nov. 23, 2025, 2:07 PM

  Presenters

  • Toshiyuki Gotoh

    Keio Univ.

  Authors

  • Toshiyuki Gotoh

    Keio Univ.

  • Takeshi Watanabe

    Nagoya Inst of Tech

  • Izumi Saito

    Nagoya Inst of Tech

  View abstract →

• Intermittency features of the Hierarchical Parcel Swapping Model (HiPS) as indicated by turbulent scalar structure functions

  ORAL

  Nov. 23, 2025, 2:07 PM – Nov. 23, 2025, 2:08 PM

  Presenters

  • David O Lignell

    Brigham Young University

  Authors

  • David O Lignell

    Brigham Young University

  • Alan Robert Kerstein

    Consultant

  View abstract →

• A minimal stochastic model of the influence of turbulence intermittency on scalar structure-function exponents

  ORAL

  Nov. 23, 2025, 2:08 PM – Nov. 23, 2025, 2:09 PM

  Presenters

  • Alan Robert Kerstein

    Consultant

  Authors

  • Alan Robert Kerstein

    Consultant

  • David O Lignell

    Brigham Young University

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• Statistical field theory for a passive vector model of turbulence

  ORAL

  Nov. 23, 2025, 2:09 PM – Nov. 23, 2025, 2:10 PM

  Presenters

  • Michael Wilczek

    University of Bayreuth

  Authors

  • Lukas Bentkamp

    University of Bayreuth

  • Michael Wilczek

    University of Bayreuth

  View abstract →

• FIRST INTERACT DISCUSSION WITH POSTERS

  COFFEE_KLATCH

  Nov. 23, 2025, 2:10 PM – Nov. 23, 2025, 3:00 PM

  View abstract →

• Passive-scalar dispersion development and measurements in grid turbulence

  ORAL

  Nov. 23, 2025, 3:00 PM – Nov. 23, 2025, 3:01 PM

  Presenters

  • Paul Emmanuel Dimotakis

    California Institute of Technology

  Authors

  • Paul Emmanuel Dimotakis

    California Institute of Technology

  • Daniel B Lang

    California Institute of Technology

  View abstract →

• Ramp-Cliffs and Buoyancy Flux Reversal: Connecting mean-field analysis with spatial structure in stratified turbulence

  ORAL

  Nov. 23, 2025, 3:01 PM – Nov. 23, 2025, 3:02 PM

  Presenters

  • Soumak Bhattacharjee

    Duke University

  Authors

  • Soumak Bhattacharjee

    Duke University

  • Stephen M de Bruyn Kops

    UMass Amherst, Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst

  • Andrew D Bragg

    Duke University

  View abstract →

• An EDQNM model to explore the behavior of stably stratified flows in the high Prandtl number regime

  ORAL

  Nov. 23, 2025, 3:02 PM – Nov. 23, 2025, 3:03 PM

  Presenters

  • Kelso Kitowski

    Duke University

  Authors

  • Kelso Kitowski

    Duke University

  • Stephen M de Bruyn Kops

    UMass Amherst, Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst

  • Andrew D Bragg

    Duke University

  View abstract →

• Shear-driven stratified turbulence at variable Prandtl number

  ORAL

  Nov. 23, 2025, 3:03 PM – Nov. 23, 2025, 3:04 PM

  Presenters

  • Miles MP Couchman

    York University

  Authors

  • Miles MP Couchman

    York University

  • Adrien Lefauve

    Imperial College London

  • Stephen M de Bruyn Kops

    UMass Amherst, Department of Mechanical and Industrial Engineering, University of Massachusetts Amherst

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• Exploring small-scale structure and anisotropy in Rayleigh-Taylor instabilities using a homogeneous, statistically stationary simulation framework

  ORAL

  Nov. 23, 2025, 3:04 PM – Nov. 23, 2025, 3:05 PM

  Presenters

  • Aaron Nelson

    Caltech

  Authors

  • Aaron Nelson

    Caltech

  • Guillaume Blanquart

    Caltech

  View abstract →

• On velocity alignment and time reversal symmetry breaking in turbulence

  ORAL

  Nov. 23, 2025, 3:05 PM – Nov. 23, 2025, 3:06 PM

  Publication: R. Shnapp. How velocity alignments reflect Lagrangian irreversibility in turbulence. Physical Review Fluids, 2025 (accepted)

  Presenters

  • Ron Shnapp

    Ben Gurion University of the Negev

  Authors

  • Ron Shnapp

    Ben Gurion University of the Negev

  View abstract →

• Low Reynolds number turbulence: Tensor Geometry Drives Turbulence in the Diminishing of Inertia

  ORAL

  Nov. 23, 2025, 3:06 PM – Nov. 23, 2025, 3:07 PM

  Publication: Z. Yu, X. Si, L. Fang, "Low Reynolds Number Turbulence: Tensor Geometry Drives Turbulence in the Diminishing of Inertia", completed manuscript, to be submitted.

  Presenters

  • Ziyue yu

    University of Pittsburgh

  Authors

  • Ziyue yu

    University of Pittsburgh

  • Lei Fang

    University of Pittsburgh

  View abstract →

• A DNS Forcing Scheme Representing Anisotropic Production and Deformation in Homogeneous Turbulence

  ORAL

  Nov. 23, 2025, 3:07 PM – Nov. 23, 2025, 3:08 PM

  Presenters

  • Hanqi Dong

    University of Texas at Austin

  Authors

  • Hanqi Dong

    University of Texas at Austin

  • Sigfried Haering

    University of Texas at Austin

  • Robert D Moser

    University of Texas at Austin

  View abstract →

• Calculating spectra by sequential filtering

  ORAL

  Nov. 23, 2025, 3:08 PM – Nov. 23, 2025, 3:09 PM

  Presenters

  • Hussein Aluie

    University of Rochester

  Authors

  • Hussein Aluie

    University of Rochester

  • Dongxiao Zhao

    Shanghai Jiao Tong Univ

  View abstract →

• SECOND INTERACT DISCUSSION WITH POSTERS

  COFFEE_KLATCH

  Nov. 23, 2025, 3:09 PM – Nov. 23, 2025, 4:00 PM

  View abstract →