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Nonlinear Dynamics: Coherent Structures

ORAL · T07 · ID: 22874

Presentations

  • Exploring Invariant Symmetry Subspaces of Channel Flow

    ORAL

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    Presenters

    • Pratik Aghor

      Integrated Applied Mathematics, University of New Hampshire

    Authors

    • Pratik Aghor

      Integrated Applied Mathematics, University of New Hampshire

    • John F Gibson

      Integrated Applied Mathematics, University of New Hampshire

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  • Can We Connect a Dynamical Description and a Statistical Description of Turbulence?

    ORAL

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    Publication: This work relates to a series of two papers. One is published:<br>Krygier, M., Pughe-Sanford, J., & Grigoriev, R. (2021). Exact coherent structures and shadowing in turbulent Taylor–Couette flow. Journal of Fluid Mechanics, 923, A7. doi:10.1017/jfm.2021.522<br>The second, which directly discusses the work presented in this talk, is currently being written.

    Presenters

    • Joshua L. Pughe-Sanford

      Georgia Institute of Technology

    Authors

    • Joshua L. Pughe-Sanford

      Georgia Institute of Technology

    • Michael C Krygier

      Sandia National Laboratories

    • Roman O Grigoriev

      Georgia Institute of Technology

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  • Modulation theory for multidimensional gravity soliton interactions in the ocean

    ORAL

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    Publication: Ryskamp, S., Maiden, M., Biondini, G., & Hoefer, M. (2020) Evolution of truncated and bent gravity wave solitons: The Mach expansion problem. Journal of Fluid Mechanics 909 A24. <br><br>Ryskamp, S., Hoefer, M., & Biondini, G. (2021) Oblique interactions between solitons and mean flows in the Kadomtsev-Petviashvili equation. Nonlinearity 34 3583.<br><br>Ryskamp, S., Hoefer, M., & Biondini, G. (2021) Modulation theory for the Mach reflection of solitons. In preparation

    Presenters

    • Samuel Ryskamp

      University of Colorado, Boulder

    Authors

    • Samuel Ryskamp

      University of Colorado, Boulder

    • Mark A Hoefer

      University of Colorado, Boulder

    • Gino Biondini

      State University of New York - Buffalo

    • Michelle D Maiden

      University of Colorado, Boulder

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  • Linearized analyses of fluid flows from nonlinear simulation data

    ORAL

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    Publication: Baddoo, P. J., Herrmann, B., McKeon, B. J., & Brunton, S. L. (2021). Kernel Learning for Robust Dynamic Mode Decomposition: Linear and Nonlinear Disambiguation Optimization (LANDO). arXiv preprint arXiv:2106.01510.

    Presenters

    • Benjamin Herrmann

      Universidad de Chile

    Authors

    • Benjamin Herrmann

      Universidad de Chile

    • Peter J Baddoo

      Massachusetts Institute of Technology, MIT

    • Steven L Brunton

      University of Washington

    • Beverley J McKeon

      Caltech, California Institute of Technology

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  • Phase Proper Orthogonal Decomposition of numerical data

    ORAL

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    Publication: 1. J.L. Lumley,The structure of inhomogeneous turbulent flows, Atomospheric Turbulence and Radio Wave Propagation 1967<br>2. A. Towne, O.T. Schmidt, and T. Colonius, Spectral proper orthogonal decomposition and its relationship to dynamic mode decomposition and resolvent analysis. Journal of Fluid Mechanics 2018

    Presenters

    • Yisheng Zhang

      Tech Univ of Denmark

    Authors

    • Yisheng Zhang

      Tech Univ of Denmark

    • Azur Hodzic

      Tech Univ of Denmark, Technical University of Denmark

    • Fabien Evrard

      Otto-Von-Guericke-University Magdeburg, Otto-von-Guericke-University Magdeburg, Chair of Mechanical Process Engineering, Otto-von-Guericke-Universität Magdeburg, Universitätplatz 2, 39106, Magdeburg, Germany

    • Clara M Velte

      Tech Univ of Denmark, Technical University of Denmark, Technical University of Denmark - Dept. of Mech. Eng.

    View abstract →