What is it about?
Compliant panels are used in hypersonic vehicles, especially in control surfaces due to low-weight requirements. These panels are prone to aeroelastic vibration due to high pressure and thermal load during flight. This study carries out numerical study of UNSW HyMAX experiment, which is a benchmark hypersonic FSI experiment.
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Why is it important?
Experimentation for FSI in hypersonics is limited in scope thus we have to rely on numerical simulation to understand. This study carries out fully coupled FSI simulation along with piston theory-based low fidelity modelling. Three significant outcomes are that: a) CFD-enriched piston theory modelling shows good agreement in terms of panel displacement but underpredicts damping highlighting its usefulness in preliminary aeroelastic analysis. b) Two way coupled FSI simulation shows good agreement both in terms of panel displacment and damping characteristics. c) Velocity exchange between fluid and solid has significant effect on damping of the panel.
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This page is a summary of: Numerical Study of Hypersonic Fluid-Structure Interaction on a Cantilevered Plate With Shock Impingement Using Low and High Fidelity Numerical Methods, July 2024, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2024-4053.
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