Aeroservoelastic Wind Tunnel Evaluation of Preview and Gust Load Alleviation

KY Ting, M Mesbahi, E Livne - Journal of Guidance, Control, and …, 2023 - arc.aiaa.org
Studies of preview gust load alleviation H 2 and H∞ controllers via synthesis, simulation,
wind tunnel tests, and test/simulation correlation are presented in this paper. University of …

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 …

Bifurcation-Diagram-Free Postflutter Response Constraint for Design Optimization

C Riso, CES Cesnik, BI Epureanu - AIAA Journal, 2023 - arc.aiaa.org
This paper introduces a new metric to constrain postflutter responses of aeroelastic systems
in design optimization. The new metric aggregates the recovery rate to equilibrium for a …

Reduced-order modeling: a personal journey

E Dowell - Nonlinear Dynamics, 2023 - Springer
Reduced-order models (ROM) have captured the interest and effort of many investigators
over the years. As is well known the cost of computation can easily outpace the available …

Energy extraction in the dynamic modes of flow for airfoil's laminar separation flutter

G Huang, Y Dai, C Yang - Physics of Fluids, 2022 - pubs.aip.org
This paper aims to gain new insight into the physical mechanism of laminar separation flutter
(LSF) from the perspective of energy transfer and dynamic mode decomposition (DMD) …

Aeroelastic reduced-order modeling for efficient static aeroelastic analysis considering geometric nonlinearity

K Li, J Kou, W Zhang - Journal of Fluids and Structures, 2024 - Elsevier
The computational fluid dynamic/computational structural dynamic (CFD/CSD) coupling
method plays an important role in static aeroelastic problems accounting for structural …

Estimating Flutter Bifurcation Diagrams Using the State Velocity

C Riso, CES Cesnik, BI Epureanu - AIAA Journal, 2022 - arc.aiaa.org
This paper introduces a method for estimating flutter bifurcation diagrams of systems
described by time-domain state-space models. The method estimates the bifurcation …

[PDF][PDF] Post-flutter dynamics of the Pazy wing geometrically nonlinear benchmark model

C Riso, CES Cesnik - International Forum on Aeroelasticity and …, 2022 - researchgate.net
The Third Aeroelastic Prediction Workshop Large Deflection Working Group (AePW3-
LDWG) revolves around the Pazy wing, a geometrically nonlinear benchmark model for …