Control-surface structural nonlinearities in aeroelasticity: A state of the art review
This paper presents a review and assessment of more than six decades of research in
aeroelastic stability, including control-surface nonlinearities. The work covers free play …
aeroelastic stability, including control-surface nonlinearities. The work covers free play …
Targeted energy transfer in systems with external and self-excitation
OV Gendelman - … of the Institution of Mechanical Engineers …, 2011 - journals.sagepub.com
The non-linear energy sink (NES) was introduced as a strongly non-linear attachment of
relatively small mass, coupled to the primary oscillating system. It was demonstrated that the …
relatively small mass, coupled to the primary oscillating system. It was demonstrated that the …
Identification and control of limit cycle oscillations in aeroelastic systems
Nonlinearities in the aeroelastic system induce pathologies such as the observed store-
induced limit cycle oscillations found with certain high-performance aircraft con gurations …
induced limit cycle oscillations found with certain high-performance aircraft con gurations …
Modeling physical uncertainties in dynamic stall induced fluid–structure interaction of turbine blades using arbitrary polynomial chaos
A nonlinear dynamic problem of stall induced flutter oscillation subject to physical
uncertainties is analyzed using arbitrary polynomial chaos. A single-degree-of-freedom stall …
uncertainties is analyzed using arbitrary polynomial chaos. A single-degree-of-freedom stall …
Airfoil motion in subsonic flow with strong cubic nonlinear restoring forces
BHK Lee, L Liu, KW Chung - Journal of Sound and Vibration, 2005 - Elsevier
Limit cycle oscillations of a two-degree-of-freedom airfoil motion with cubic nonlinearity in
the restoring forces are investigated. The harmonic balance method is used to derive a …
the restoring forces are investigated. The harmonic balance method is used to derive a …
Asymptotic analysis of passive nonlinear suppression of aeroelastic instabilities of a rigid wing in subsonic flow
We study theoretically passive suppression of aeroelastic instabilities of a rigid wing in
subsonic flow with an essentially nonlinear attachment. The analysis is performed by …
subsonic flow with an essentially nonlinear attachment. The analysis is performed by …
Precursors to flutter instability by an intermittency route: a model free approach
The aeroelastic response of a NACA 0012 airfoil in the flow regimes prior to flutter is
investigated in a wind tunnel. We observe intermittent bursts of periodic oscillations in the …
investigated in a wind tunnel. We observe intermittent bursts of periodic oscillations in the …
Flutter control and mitigation of limit cycle oscillations in aircraft wings using distributed vibration absorbers
In this work, we demonstrate the application of the conserved-mass metamaterial concept to
control the flutter onset in aircraft wings and mitigate their induced vibrations. The numerical …
control the flutter onset in aircraft wings and mitigate their induced vibrations. The numerical …
High-order sliding mode controller with backstep** design for aeroelastic systems
A nonlinear system for controlling flutter in an aeroelastic system is proposed. The dynamic
model describes the plunge and pitch motion of a wing. Interacting nonlinear forces such as …
model describes the plunge and pitch motion of a wing. Interacting nonlinear forces such as …
Data-driven nonlinear parametric model order reduction framework using deep hierarchical variational autoencoder
A data-driven parametric model order reduction (MOR) method using a deep artificial neural
network is proposed. The present network, a least-squares hierarchical variational …
network is proposed. The present network, a least-squares hierarchical variational …