Fast aerodynamics prediction of laminar airfoils based on deep attention network

K Zuo, Z Ye, W Zhang, X Yuan, L Zhu - Physics of Fluids, 2023 - pubs.aip.org
The traditional method for obtaining aerodynamic parameters of airfoils by solving Navier–
Stokes equations is a time-consuming computing task. In this article, a novel data-driven …

Experimental aeroelastic benchmark of a very flexible wing

O Avin, DE Raveh, A Drachinsky, Y Ben-Shmuel, M Tur - AIAA Journal, 2022 - arc.aiaa.org
The paper presents the design, analyses, and testing of the Pazy wing, a very flexible wing
model that was designed to study aeroelastic phenomena associated with geometrically …

Flutter tests of the Pazy wing

A Drachinsky, O Avin, DE Raveh, Y Ben-Shmuel, M Tur - AIAA Journal, 2022 - arc.aiaa.org
The paper presents the flutter and limit-cycle oscillation (LCO) tests of the Pazy wing, a very
flexible wing model designed to study aeroelastic phenomena associated with nonlinear …

Impact of low-order modeling on aeroelastic predictions for very flexible wings

C Riso, CES Cesnik - Journal of Aircraft, 2023 - arc.aiaa.org
This paper investigates the ability of low-order structural and aerodynamic models to predict
geometrically nonlinear aeroelastic behaviors associated with large wing deflections. The …

Geometrically nonlinear effects in wing aeroelastic dynamics at large deflections

C Riso, CES Cesnik - Journal of Fluids and Structures, 2023 - Elsevier
This paper investigates geometrically nonlinear effects due to nonlinear kinematics and
follower aerodynamics in the aeroelastic dynamics of a very flexible wing. The test case is …

Optimization and comparison of strut-braced and high aspect ratio wing aircraft configurations including flutter analysis with geometric non-linearities

M Sohst, JL do Vale, F Afonso, A Suleman - Aerospace Science and …, 2022 - Elsevier
Novel aircraft designs employing wings with high aspect ratio, such as the strut-braced wing
(SBW), are one way to reduce their environmental impact. However, the flexibility of longer …

Collaborative Pazy wing analyses for the third aeroelastic prediction workshop

M Ritter, J Hilger, A Ribeiro, AE Öngüt, M Righi… - AIAA SciTech 2024 …, 2024 - arc.aiaa.org
In this paper, collaborative aeroelastic analyses of the\textit {Pazy Wing} are presented,
which support the activities of the Large Deflection Working Group, a sub-group of the 3rd …

Nonlinear aeroelastic simulations and stability analysis of the pazy wing aeroelastic benchmark

J Hilger, MR Ritter - Aerospace, 2021 - mdpi.com
The Pazy wing aeroelastic benchmark is a highly flexible wind tunnel model investigated in
the Large Deflection Working Group as part of the Third Aeroelastic Prediction Workshop …

High-fidelity gradient-based wing structural optimization including geometrically nonlinear flutter constraint

E Jonsson, C Riso, BB Monteiro, AC Gray… - AIAA Journal, 2023 - arc.aiaa.org
Lightweight high-aspect-ratio wings make aircraft more energy efficient thanks to their lower
induced drag. Because such wings exhibit large deflections, design optimization based on …

Nonlinear aeroelastic analysis of highly flexible wings using the modal rotation method

A Drachinsky, DE Raveh - AIAA Journal, 2022 - arc.aiaa.org
This paper presents a nonlinear framework for the static and flutter analysis of highly flexible
wings accounting for large deformations, using a linear modal database. A nonlinear static …