Parametric reduced-order model approach for simulation and optimization of aeroelastic systems with structural nonlinearities-Reference-Cited by-同舟云学术

Parametric reduced-order model approach for simulation and optimization of aeroelastic systems with structural nonlinearities

Published:2015-10-08 Issue:8 Volume:230 Page:1359-1370
ISSN:0954-4100
Container-title:Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

Author:

Castellani Michele¹²,Lemmens Yves¹,Cooper Jonathan E²

Affiliation:

1. Aerospace Centre of Competence, Siemens PLM Software, Belgium

2. Department of Aerospace Engineering, Faculty of Engineering, University of Bristol, UK

Abstract

A method based on parametric reduced-order models to efficiently predict the transient response of aeroelastic systems with concentrated structural nonlinearities is presented. The approach approximates the nonlinear response in a piecewise-linear manner through time integration of sub-linear reduced-order models; these are parameterized with respect to the nonlinearity and are efficiently obtained by balanced truncation and interpolation. The procedure is applied to the optimization of a wing tip device for passive loads alleviation which features a nonlinear stiffness, showing the effectiveness and efficiency of the methodology.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/0954410015608888

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