Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session G13: Shock-Boundary Layer Interactions I
3:00 PM–3:52 PM,
Sunday, November 19, 2023
Room: 143C
Chair: Noel Clemens, University of Texas at Austin
Abstract: G13.00003 : Control of shock-induced dynamic response of compliant surfaces using air-jet vortex generators*
3:26 PM–3:39 PM
Presenter:
Alex D Storrer
(Northeastern University)
Authors:
Alex D Storrer
(Northeastern University)
Deepak Prem Ramaswamy
(RWTH Aachen University)
Anne-Marie Schreyer
(RWTH Aachen University)
The shock motion and panel deformation were simultaneously captured using highspeed focusing-schlieren and digital image correlation, respectively. Spectral proper orthogonal decomposition was used to resolve the unsteady dynamics of the interaction and quantify the ability of AJVGs to modify the compliant surface dynamic response. We observe that while the panel bending modes are dependent on aspect ratio, AJVG control decreases the dominant frequency of the panel vibrations and reduces the energy associated with the low frequency shock motion.
*We gratefully acknowledge the support of the DFG Emmy Noether Programme (project number 326485414) and the DAAD RISE Program.
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