Compressible Flows: Instability and Turbulence

Presentations

• Stationary global instabilities in shock wave/ hypersonic laminar boundary layer interaction

  ORAL

  Nov. 22, 2022, 12:50 PM – Nov. 22, 2022, 1:03 PM

  Presenters

  • G S Sidharth

    • Iowa State University

  Authors

  • G S Sidharth

    • Iowa State University

  • Anubhav Dwivedi

    • University of Southern California

  View abstract →

• Prediction of boundary-layer instability in supersonic flow with roughness and shock using machine learning

  ORAL

  Nov. 22, 2022, 1:03 PM – Nov. 22, 2022, 1:16 PM

  Presenters

  • Athanasios T Margaritis

    • Imperial College London, King Abdullah University of Science and Technology (KAUST)

  Authors

  • Olaf Marxen

    • University of Surrey

  • Athanasios T Margaritis

    • Imperial College London, King Abdullah University of Science and Technology (KAUST)

  • Tim J Flint

    • Center for Turbulence Research, Stanford University

  • Peter J Schmid

    • King Abdullah University of Science and Technology (KAUST)
    • King Abdullah University Of Science And Technology

  • Gianluca Iaccarino

    • Mechanical Engineering Department, Stanford University
    • Stanford University
    • Department of Mechanical Engineering, Stanford University

  View abstract →

• Deep learning and variational assimilation of experimental measurements in simulations of hypersonic transition on a cone

  ORAL

  Nov. 22, 2022, 1:16 PM – Nov. 22, 2022, 1:29 PM

  Presenters

  • Pierluigi Morra

    • Johns Hopkins University

  Authors

  • Pierluigi Morra

    • Johns Hopkins University

  • Pierluigi Morra

    • Johns Hopkins University

  • Charles Meneveau

    • Johns Hopkins
    • Johns Hopkins University

  • Tamer A Zaki

    • Johns Hopkins University

  View abstract →

• Data assimilation in high-speed boundary layers using deep operator networks

  ORAL

  Nov. 22, 2022, 1:29 PM – Nov. 22, 2022, 1:42 PM

  Presenters

  • Yue Hao

    • Johns Hopkins University

  Authors

  • Yue Hao

    • Johns Hopkins University

  • Charles Meneveau

    • Johns Hopkins
    • Johns Hopkins University

  • Tamer A Zaki

    • Johns Hopkins University

  View abstract →

• Thermodynamics induced compressibility in high-pressure shear flows

  ORAL

  Nov. 22, 2022, 1:42 PM – Nov. 22, 2022, 1:55 PM

  Presenters

  • Nek Sharan

    • Auburn University

  Authors

  • Nek Sharan

    • Auburn University

  View abstract →

• A Structured Input-Output Framework for Robust Stability Analysis of Compressible Flows

  ORAL

  Nov. 22, 2022, 1:55 PM – Nov. 22, 2022, 2:08 PM

  Publication: 1. Bhattacharjee, D., Mushtaq, T., Seiler, P., and Hemati, M. S., "Structured Input-Output Analysis of Compressible Plane Couette Flow," Submitted for presentation at the AIAA SciTech Forum 2023.
  
  2. Mushtaq, T., Bhattacharjee, D., Seiler, P., and Hemati, M. S., "Structured Singular Value of a Repeated Complex Full-Block Uncertainty," In preparation, 2022.

  Presenters

  • Diganta Bhattacharjee

    • University of Minnesota

  Authors

  • Diganta Bhattacharjee

    • University of Minnesota

  • Talha Mushtaq

    • University of Minnesota

  • Peter Seiler

    • University of Michigan

  • Maziar S Hemati

    • University of Minnesota

  View abstract →

• Resolvent analysis of self-sustained shock oscillations in transonic airfoil buffet

  ORAL

  Nov. 22, 2022, 2:08 PM – Nov. 22, 2022, 2:21 PM

  Publication: Identifying the self-sustained mechanisms of transonic airfoil buffet with resolvent analysis

  Presenters

  • Yuta Iwatani

    • Tohoku University

  Authors

  • Yuta Iwatani

    • Tohoku University

  • Hiroyuki Asada

    • Tohoku University

  • Chi-An Yeh

    • North Carolina State University

  • Kunihiko Taira

    • UCLA
    • University of California, Los Angeles

  • Soshi Kawai

    • Tohoku Univ
    • Tohoku University

  View abstract →

• Is transonic buffet a misnomer?

  ORAL

  Nov. 22, 2022, 2:21 PM – Nov. 22, 2022, 2:34 PM

  Publication: Planned paper: "Is transonic buffet a misnomer?"

  Presenters

  • Pradeep Moise

    • Univ of Southampton

  Authors

  • Pradeep Moise

    • Univ of Southampton

  • Markus Zauner

    • Univ of Southampton

  • Neil D Sandham

    • Univ of Southampton

  View abstract →

• Centrifugal oblique waves in hypersonic separated flows

  ORAL

  Nov. 22, 2022, 2:34 PM – Nov. 22, 2022, 2:47 PM

  Publication: Dwivedi, Anubhav, G. S. Sidharth, and Mihailo R. Jovanović. "Oblique transition in hypersonic double-wedge flow: An input-output viewpoint." arXiv preprint arXiv:2111.15153 (2021).

  Presenters

  • Anubhav Dwivedi

    • University of Southern California

  Authors

  • Anubhav Dwivedi

    • University of Southern California

  • G S Sidharth

    • Iowa State University

  • Mihailo R Jovanovic

    • Univ of Southern California

  View abstract →

• Statistics of 2D multi-mode iso-thermally stratified compressible Rayleigh-Taylor instability

  ORAL

  Nov. 22, 2022, 2:47 PM – Nov. 22, 2022, 3:00 PM

  Publication: Denis Aslangil, and Man Long Wong. "Study of iso-thermal stratification strength on 2D multi-mode compressible Rayleigh-Taylor instability," AIAA 2022-0456. AIAA SCITECH 2022 Forum. January 2022.
  Tyler Prine, Denis Aslangil, and Man Long Wong. "Coupled effects of iso-thermal stratification strength and Atwood number on 2D single-mode compressible Rayleigh-Taylor instability," Submitted to AIAA SCITECH 2023 Forum. January 2023.

  Presenters

  • Denis Aslangil

    • The University of Alabama

  Authors

  • Denis Aslangil

    • The University of Alabama

  • Man Long Wong

    • Los Alamos National Laboratory

  View abstract →