Prescribed velocity method for simulation of aerofoil gust responses

C Wales, D Jones, A Gaitonde - Journal of Aircraft, 2015 - arc.aiaa.org
A new method for modeling the interaction of an aerofoil with a gust using a prescribed
velocity approach, called the split velocity method is presented. This approach effectively …

Nonlinear aeroelastic analysis of airfoil section under stall flutter oscillations and gust loads

LGP Dos Santos, FD Marques - Journal of Fluids and Structures, 2021 - Elsevier
As the desire for more flexible aircraft structures increases, so does the need to incorporate
the intrinsic nonlinearities in their aeroelastic analyses. In that manner, it becomes essential …

Reduced order unsteady aerodynamic model of a rigid aerofoil in gust encounters

Q Zhou, G Chen, A Da Ronch, Y Li - Aerospace Science and Technology, 2017 - Elsevier
Predicting gust loads using computational fluid dynamics is prohibitively expensive and
unrealistic for parametric searches. This work presents the development, implementation …

Computational fluid dynamics-based transonic flutter suppression with control delay

Q Zhou, D Li, A Da Ronch, G Chen, Y Li - Journal of Fluids and Structures, 2016 - Elsevier
This work investigates the effects of control input time delay on closed-loop transonic
computational aeroelastic analysis. Control input time delays are becoming critical as the …

Linear reduced order modelling for gust response analysis using the DLR-TAU code

S Timme, KJ Badcock, A Da Ronch - 2013 - eprints.soton.ac.uk
A unified modelling approach, using computational fluid dynamics, to calculate the flutter
stability and dynamic gust response of realistic aircraft models is outlined. The approach …

Active control for flutter suppression: an experimental investigation

E Papatheou, ND Tantaroudas, A Da Ronch… - 2013 - eprints.soton.ac.uk
This paper describes an experimental study involving the implementation of the method of
receptances to control binary flutter in a wind-tunnel aerofoil rig. The aerofoil and its …

Model reduction for flight dynamics simulations using computational fluid dynamics

G Pagliuca, S Timme - Aerospace Science and Technology, 2017 - Elsevier
Multidisciplinary simulation involving flight dynamics and computational fluid dynamics is
required for high-fidelity gust loads analysis in transonic flow. However, the main limitation to …

Gust analysis using computational fluid dynamics derived reduced order models

S Timme, KJ Badcock, A Da Ronch - Journal of Fluids and Structures, 2017 - Elsevier
Time domain gust response analysis based on large order nonlinear aeroelastic models is
computationally expensive. An approach to the reduction of nonlinear models for gust …

Computational-fluid-dynamics-based aeroservoelastic analysis for gust load alleviation

G Chen, Q Zhou, AD Ronch, Y Li - Journal of Aircraft, 2018 - arc.aiaa.org
Gust load alleviation using computational fluid dynamics as source of the aerodynamic
predictions is carried out in the time domain. To this goal, an aeroservoelastic reduced-order …

[PDF][PDF] Comparing reduced order model forms for nonlinear dynamical systems

D Massegur, D Clifford, A Da Ronch… - 33rd Congress of the …, 2022 - icas.org
The time domain solution of a chaotic system governed by a set of nonlinear equations is
computationally expensive and ill suited for parametric searches. This work investigates the …