Hypersonic wavecatcher intakes and variable-geometry turbine based combined cycle engines

FY Zuo, S Mölder - Progress in Aerospace Sciences, 2019 - Elsevier
A summary is presented of research progress in the design and technology of hypersonic air
intakes and variable-geometry turbine based combined cycle (TBCC) intakes. Development …

Deep learning based reduced order model for airfoil-gust and aeroelastic interaction

R Halder, M Damodaran, BC Khoo - AIAA Journal, 2020 - arc.aiaa.org
This work aims to model transonic airfoil–gust interaction and the gust response on
transonic aileron-buzz problems using high-fidelity computational fluid dynamics (CFD) and …

On wall pressure fluctuations in conical shock wave/turbulent boundary layer interaction

FY Zuo, A Memmolo, S Pirozzoli - Journal of Fluid Mechanics, 2023 - cambridge.org
The structure and the frequency spectra of wall pressure fluctuations beneath a planar
turbulent boundary layer interacting with a conical shock wave at Mach number dB), with an …

Analysis of the flow physics of transonic flutter using energy maps

J Turner, JH Seo, R Mittal - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0083. vid In this paper, a series of
direct numerical simulations are carried out to investigate the effect of compressibility on …

Unsteady aerodynamics around a pitching airfoil with shock and shock-induced boundary-layer separation

ND Oyeniran, T Miyake, H Terashima, R Seki, K Ishiko… - AIAA journal, 2022 - arc.aiaa.org
This study numerically investigated the characteristics of unsteady aerodynamic forces
around a pitching airfoil in the transonic flow regime. The unsteady Reynolds-averaged …

Dynamic characteristic of transonic aeroelasticity affected by fluid mode in pre-buffet flow

Z Dou, C Gao, W Zhang - Journal of Fluid Mechanics, 2024 - cambridge.org
Transonic aeroelasticity remains a significant challenge in aerospace. The coupling
mechanism of aeroelastic problems involving the coexistence of fluid modes and multiple …

Configurable Parametric Aeroservoelastic-Gust Reduced-Order Models with State-Consistence Enforcement

J Kim, JI Shu, Y Wang, J Simac, A Kaminsky - AIAA Journal, 2024 - arc.aiaa.org
Parametric reduced-order models (ROMs) across various flight regimes are crucial for rapid
aeroelastic and gust load analysis and aerostructure control synthesis. This paper presents …

Sinusoidally Pitching Foils in Transonic Flow: Insights into Flutter from Time Accurate Simulations

JM Turner, JH Seo, R Mittal - AIAA Journal, 2024 - arc.aiaa.org
The impact of shock formation and vortex dynamics on airfoil flutter in the transonic regime is
investigated through a series of two-dimensional time-accurate simulations of a sinusoidally …

Time-Accurate Fluid-Structure Interaction (FSI) Simulations of Transonic Flutter

J Turner, JH Seo, R Mittal - AIAA SCITECh 2024 forum, 2024 - arc.aiaa.org
The flow-induced vibration of a two-dimensional NACA0012 airfoil in the subsonic
compressible and transonic regime is considered in this paper. Time-accurate aeroelastic …

[PDF][PDF] Prediction and characterization of transonic buffet in an axial-flow fan

JR Majhi, K Venkatraman - 57th 3AF International Conference on …, 2023 - researchgate.net
• Klinner, Hergt, Grund, and Christian [2021] claimed that shock oscillations observed in their
compressor cascade was due to feedback between a region immediately downstream of the …