Biological Fluid Dynamics: Collective Behavior and Active Matter

Presentations

• Enhancement of bacterial rheotaxis in non-Newtonian fluids

  ORAL

  Nov. 25, 2025, 8:00 AM – Nov. 25, 2025, 8:13 AM

  Publication: https://doi.org/10.1073/pnas.2417614121

  Presenters

  • Paulo E. Arratia

    University of Pennsylvania, Brown University

  Authors

  • Paulo E. Arratia

    University of Pennsylvania, Brown University

  • Albane Théry

    Department of Mathematics, University of Pennsylvania

  • Bryan O Torres Maldonado

    University of Pennsylvania

  • Ran Tao

    University of Pennsylvania

  • Arnold JTM Mathijssen

    University of Pennsylvania

  View abstract →

• A Continuum Framework for Dense Suspensions of Self-Propelled Elongated Particles

  ORAL

  Nov. 25, 2025, 8:13 AM – Nov. 25, 2025, 8:26 AM

  Presenters

  • Houssem Ben Gozlen

    Chair of Fluid Mechanics Darmstadt

  Authors

  • Houssem Ben Gozlen

    Chair of Fluid Mechanics Darmstadt

  • Yongqi Wang

    Technische Universität Darmstadt

  • Martin Oberlack

    Technische Universitat Darmstadt

  View abstract →

• Active particles on spherical viscous interfaces

  ORAL

  Nov. 25, 2025, 8:26 AM – Nov. 25, 2025, 8:39 AM

  Presenters

  • Yuzhu Chen

    University of California, San Diego

  Authors

  • Yuzhu Chen

    University of California, San Diego

  • Vishal P Patil

    University of California San Diego

  • David Saintillan

    University of California, San Diego

  View abstract →

• Rheological behaviour of a suspension of active chiral particles

  ORAL

  Nov. 25, 2025, 8:39 AM – Nov. 25, 2025, 8:52 AM

  Presenters

  • Giuseppe Gonnella

    University of Bari

  Authors

  • Giuseppe Negro

    University of Edinburgh

  • Giuseppe Gonnella

    University of Bari

  • Demian Levis

    University de Barcelona

  • Lucio M Carenza

    University of Bari

  View abstract →

• A Parallel Adaptive Localized Kriging‑Believer Algorithm for Optimizing Fish-School Propulsion Performance

  ORAL

  Nov. 25, 2025, 8:52 AM – Nov. 25, 2025, 9:05 AM

  Presenters

  • Zhanqin Huang

    University of Virginia

  Authors

  • Zhanqin Huang

    University of Virginia

  • Jiacheng Guo

    University of Virginia

  • Alec Menzer

    University of Virginia

  • Haibo Dong

    University of Virginia

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• Hydrodynamic coupling of rotating bodies

  ORAL

  Nov. 25, 2025, 9:05 AM – Nov. 25, 2025, 9:18 AM

  Presenters

  • Alison J Kim

    New York University

  Authors

  • Alison J Kim

    New York University

  • Maria Acuna

    New York University

  • Jesse E Smith

    New York University

  • Jun Zhang

    New York University (NYU)

  • Leif Ristroph

    New York University (NYU)

  • Charles S Peskin

    New York University

  View abstract →

• From active Newtonian suspensions to active nematics: anchoring strength as a critical tuning parameter

  ORAL

  Nov. 25, 2025, 9:18 AM – Nov. 25, 2025, 9:31 AM

  Publication: J. Li, L. Ohm, & S. E. Spagnolie, Arrested development and traveling waves of active suspensions in nematic liquid crystals, Physical Review Fluids (to appear), 2025

  Presenters

  • Jingyi Li

    University of Wisconsin - Madison

  Authors

  • Jingyi Li

    University of Wisconsin - Madison

  • Saverio Eric Spagnolie

    University of Wisconsin - Madison

  • Laurel Ohm

    University of Wisconsin-Madison

  View abstract →

• Coherent Structures in Active Flows on Dynamic Surfaces

  ORAL

  Nov. 25, 2025, 9:31 AM – Nov. 25, 2025, 9:44 AM

  Publication: ​​​​​​​https://www.biorxiv.org/content/10.1101/2025.05.23.655805v1

  Presenters

  • Mattia Serra

    University of California, San Diego

  Authors

  • Mattia Serra

    University of California, San Diego

  • Sreejith Santhosh

    University of California, San Diego

  • Cuncheng Zhu

    University of California, San Diego

  • Blase Fencil

    UC San Diego

  View abstract →

• Activity induced non local transport in bacterial suspensions: beyond eddy diffusivity

  ORAL

  Nov. 25, 2025, 9:44 AM – Nov. 25, 2025, 9:57 AM

  Presenters

  • Arjun Sharma

    Sandia National Labs

  Authors

  • Arjun Sharma

    Sandia National Labs

  • Peter A Bosler, PhD

    Sandia National Labs

  View abstract →

• Morphogenesis of bacterial colonies in liquid crystalline environments

  ORAL

  Nov. 25, 2025, 9:57 AM – Nov. 25, 2025, 10:10 AM

  Publication: Gonzalez La Corte, Chandler, Wingreen, Spagnolie & Datta, Morphogenesis of bacterial colonies in liquid crystalline environments, preprint (2025).

  Presenters

  • Saverio Eric Spagnolie

    University of Wisconsin - Madison

  Authors

  • Saverio Eric Spagnolie

    University of Wisconsin - Madison

  • Sebastian Gonzalez La Corte

    Princeton University

  • Thomas Graham John Chandler

    University of Wisconsin - Madison

  • Ned S Wingreen

    Princeton University

  • Sujit S Datta

    Caltech

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• Arrested phase separation and chiral symmetry breaking in active dumbbells under shear

  ORAL

  Nov. 25, 2025, 10:10 AM – Nov. 25, 2025, 10:23 AM

  Publication: Under review in Physical Review Research

  Presenters

  • Antonio Suma

    Università degli studi di Bari

  Authors

  • Giuseppe Negro

    University of Edinburgh

  • Antonio Suma

    Università degli studi di Bari

  • Lucio M Carenza

    University of Bari

  • Giuseppe Gonnella

    University of Bari

  View abstract →