Response of a plate with piezoelectric elements to turbulent pressure fluctuation in supersonic flow

M Freydin, EH Dowell, SV Varigonda… - Journal of Fluids and …, 2022 - Elsevier
The aeroelastic response of a plate with supersonic freestream flow on one side and a
shallow cavity on the other to turbulent pressure fluctuations is investigated computationally …

Enriched piston theory for expedient aeroelastic loads prediction in the presence of shock impingements

KR Brouwer, JJ McNamara - AIAA Journal, 2019 - arc.aiaa.org
This study assesses the robustness and efficiency of the enriched piston theory approach for
modeling aeroelastic loads in the presence of impinging shocks. Both stationary and …

Rapid steady-state hypersonic aerothermodynamic loads prediction using reduced fidelity models

ER Dreyer, BJ Grier, JJ McNamara, BC Orr - Journal of Aircraft, 2021 - arc.aiaa.org
Balancing accurate and efficient estimation of aerothermodynamic loads is a significant
challenge for multidisciplinary modeling and analysis of high-speed vehicles. This study …

Parametric reduced-order modeling of unsteady aerodynamics for hypersonic vehicles

Z Chen, Y Zhao, R Huang - Aerospace Science and Technology, 2019 - Elsevier
A novel parametric reduced-order model (ROM) is proposed for efficiently predicting
hypersonic unsteady aerodynamic responses under different flight conditions. The …

Effect of Model Fidelity on High-Speed Aeroelastic Behavior of a Cantilever Plate

JD Thayer, JJ McNamara - AIAA Journal, 2024 - arc.aiaa.org
Turbulence, flow separation, and shock dynamics challenge the modeling and analysis of
high-speed aeroelastic behavior. Motivated by this, the importance of modeling the fidelity of …

Experimental and Numerical Flutter Analysis Using Local Piston Theory with Viscous Correction

C Liu, C Xie, Y Meng, L Bai - Aerospace, 2023 - mdpi.com
Due to the maneuver and overload requirements of aircraft, it is inevitable that supersonic
fins experience high angles of attack (AOAs) and viscous effects at high altitudes. The local …

Surrogate-based aeroelastic loads prediction in the presence of shock-induced separation

KR Brouwer, JJ McNamara - Journal of Fluids and Structures, 2020 - Elsevier
A surrogate-based modeling strategy is presented for robust and efficient prediction of
unsteady aeroelastic loads in the presence of shock-induced separation. Enriched piston …

Modification of hypersonic waveriders by vorticity-based boundary layer displacement thickness determination method

W Liu, CA Zhang, FM Wang - Aerospace Science and Technology, 2018 - Elsevier
For general hypersonic vehicles flying at high altitudes and Mach numbers, the appearance
of the large boundary layer displacement thickness can change the pressure distribution …

高超声速钝前缘乘波构型优化设计研究

郭帅旗, 刘文, 张陈安, 王发民 - 力学学报, 2022 - lxxb.cstam.org.cn
乘波体的高升阻比优势使其在高超声速飞行器设计中极具应用前景. 在实际工程应用中,
为了满足防热要求, 乘波体前缘必须进行钝化处理, 前缘钝化对乘波体气动性能会产生显著影响 …

Design and optimization method for hypersonic quasi-waverider

W Liu, CA Zhang, FM Wang, ZY Ye - AIAA Journal, 2020 - arc.aiaa.org
The waverider has an extensive application prospect in the design of hypersonic vehicles
due to its excellent aerodynamic efficiency. However, it is known that the original cone …