Nonlinear Dynamics: Model Reduction

Presentations

• Discovery of Nonlinear Flow Physics Using Optimal Modal Momentum and Energy Budget Analysis

  ORAL

  Nov. 26, 2024, 8:00 AM – Nov. 26, 2024, 8:13 AM

  Presenters

  • Oliver T Schmidt

    • University of California San Diego
    • University of California, San Diego

  Authors

  • Oliver T Schmidt

    • University of California San Diego
    • University of California, San Diego

  • Brandon Chung Yuen Yeung

    • University of California, San Diego

  • Tianyi Chu

    • University of California, San Diego
    • Georgia Institute of Technology

  View abstract →

• Building dynamical stability into data-driven quadratic reduced-order models

  ORAL

  Nov. 26, 2024, 8:13 AM – Nov. 26, 2024, 8:26 AM

  Publication: Local stability guarantees for data-driven quadratically nonlinear models, https://arxiv.org/abs/2403.00324

  Presenters

  • Mai Peng

    • University of Washington

  Authors

  • Mai Peng

    • University of Washington

  • Alan A Kaptanoglu

    • University of Maryland College Park

  • Christopher J Hansen

    • Columbia University

  • Jake Stevens-Haas

    • University of Washington

  • Krithika Manohar

    • University of Washington

  • Steven L Brunton

    • University of Washington

  View abstract →

• Data-driven stability analysis of chaotic systems in latent spaces

  ORAL

  Nov. 26, 2024, 8:26 AM – Nov. 26, 2024, 8:39 AM

  Presenters

  • Elise Özalp

    • Imperial College London

  Authors

  • Elise Özalp

    • Imperial College London

  • Luca Magri

    • Imperial College London, The Alan Turing Institute, PoliTo
    • Imperial College London, Alan Turing Institute, Politecnico di Torino
    • Imperial College London, Alan Turing Institute

  View abstract →

• Proper latent decomposition (PLD)

  ORAL

  Nov. 26, 2024, 8:39 AM – Nov. 26, 2024, 8:52 AM

  Presenters

  • Luca Magri

    • Imperial College London, The Alan Turing Institute, PoliTo
    • Imperial College London, Alan Turing Institute, Politecnico di Torino
    • Imperial College London, Alan Turing Institute

  Authors

  • Daniel Kelshaw

    • Imperial College London

  • Luca Magri

    • Imperial College London, The Alan Turing Institute, PoliTo
    • Imperial College London, Alan Turing Institute, Politecnico di Torino
    • Imperial College London, Alan Turing Institute

  View abstract →

• Mori-Zwanzig Mode Decomposition: Transient Flows

  ORAL

  Nov. 26, 2024, 8:52 AM – Nov. 26, 2024, 9:05 AM

  Publication: https://arxiv.org/abs/2311.09524

  Presenters

  • Michael Woodward

    • Los Alamos National Laboratory
    • LANL

  Authors

  • Michael Woodward

    • Los Alamos National Laboratory
    • LANL

  • Yifeng Tian

    • Los Alamos National Laboratory (LANL)

  • Alessandro Gabbana

    • Los Alamos National Laboratory (LANL)

  • Yen Ting Lin

    • Los Alamos National Labs

  • Daniel Livescu

    • Los Alamos National Laboratory (LANL)

  View abstract →

• ABSTRACT WITHDRAWN

  COFFEE_KLATCH

  Nov. 26, 2024, 9:05 AM – Nov. 26, 2024, 9:18 AM

  View abstract →

• CUR-Based Implicit Integration of Random Partial Differential Equations on Low-Rank Manifolds

  ORAL

  Nov. 26, 2024, 9:18 AM – Nov. 26, 2024, 9:31 AM

  Presenters

  • Mohammad Hossein Naderi

    • University of Pittsburgh

  Authors

  • Mohammad Hossein Naderi

    • University of Pittsburgh

  • Hessam Babaee

    • University of Pittsburgh

  View abstract →

• Finding Approximate Solutions to the Navier-Stokes Equations Using Automatic Differentiation

  ORAL

  Nov. 26, 2024, 9:31 AM – Nov. 26, 2024, 9:44 AM

  Presenters

  • Joseph L Holey

    • Univ of Cambridge

  Authors

  • Joseph L Holey

    • Univ of Cambridge

  • Mohammed Alhashim

    • Harvard University

  • Michael P Brenner

    • Harvard University

  View abstract →

• A low dimensional model to predict secondary mean flow in a square duct

  ORAL

  Nov. 26, 2024, 9:44 AM – Nov. 26, 2024, 9:57 AM

  Presenters

  • Ahmed I El-Nadi

    • Illinois Institute of Technology

  Authors

  • Ahmed I El-Nadi

    • Illinois Institute of Technology

  • Barbara Lopez-Doriga

    • University of California, Los Angeles

  • Ricardo Vinuesa

    • KTH Royal Institute of Technology

  • Scott T. M. Dawson

    • Illinois Institute of Technology

  View abstract →

• Mapping flow fields using LCS constrained regression

  ORAL

  Nov. 26, 2024, 9:57 AM – Nov. 26, 2024, 10:10 AM

  Presenters

  • Kartik Krishna

    • University of Washington

  Authors

  • Kartik Krishna

    • University of Washington

  • Steven L Brunton

    • University of Washington

  • Zhuoyuan Song

    • University of Hawaii, Manoa

  View abstract →

• Analytical approach to identifying a bifurcation point in reduced-nonlinear dynamical systems formed by shift mode and oscillation modes

  ORAL

  Nov. 26, 2024, 10:10 AM – Nov. 26, 2024, 10:23 AM

  Presenters

  • Yuto Nakamura

    • Tohoku University, Japan

  Authors

  • Yuto Nakamura

    • Tohoku University, Japan

  • Shintaro Sato

    • Tohoku University, Japan

  • Naofumi Ohnishi

    • Tohoku University, Japan

  View abstract →

• Characterization of perturbative nonlinear systems using symmetry methods

  ORAL

  Nov. 26, 2024, 10:23 AM – Nov. 26, 2024, 10:36 AM

  Presenters

  • Christopher Pezanosky

    • University of Chicago

  Authors

  • Christopher Pezanosky

    • University of Chicago

  • Scott D Ramsey

    • Los Alamos National Laboratory (LANL)

  • Jesse Canfield

    • Los Alamos National Laboratory
    • Los Alamos National Laboratory (LANL)

  • Len Margolin

    • Los Alamos National Laboratory

  • Darrin Visarraga

    • Los Alamos National Laboratory

  View abstract →