Nonlinear Dynamics: Coherent Structures

ORAL · T07 · ID: 22874

Presentations

  • 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:
    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
    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

    View abstract →

  • 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.

    Ryskamp, S., Hoefer, M., & Biondini, G. (2021) Oblique interactions between solitons and mean flows in the Kadomtsev-Petviashvili equation. Nonlinearity 34 3583.

    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
    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 →