Investigations of passive wing technologies for load reduction

Krüger, Wolf R.; Dillinger, J.K.S.; De Breuker, R.; Haydn, K.

doi:10.1007/s13272-019-00393-2

Investigations of passive wing technologies for load reduction

Journal article (2019)

Authors

Wolf R. Krüger Deutsches Zentrum für Luft- und Raumfahrt (DLR)

J.K.S. Dillinger Deutsches Zentrum für Luft- und Raumfahrt (DLR)

R. De Breuker Aerospace Structures & Computational Mechanics - Aerospace Engineering

K. Haydn Fraunhofer-Institut für Betriebsfestigkeit und Systemzuverlässigkeit

Research Group

Aerospace Structures & Computational Mechanics (Aerospace Engineering) (TU Delft)

DOI: https://doi.org/10.1007/s13272-019-00393-2

Load analysis Aeroelastic tailoring Load reduction Parametric model design

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Published Date

01-12-2019

Language

English

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Faculty

Aerospace Engineering

Department

Aerospace Structures & Materials

Research Group

Aerospace Structures & Computational Mechanics

Abstract

Wings of modern aircraft have to be designed to give optimal response with respect to loads, comfort and performance. An essential part of the wing development is thus a design process which can take all these aspects into consideration. In the “Adaptive Wing” work package of the CleanSky “Smart Fixed Wing Aircraft” project, a multi-fidelity wing design method using aeroelastic tailoring has been developed. In the article, the process is presented in detail. The approach is based on a parametric wing design approach. Both beam models and shell models are derived and optimized in separate optimization environments. Investigations of the use of unbalanced laminates in aeroelastic tailoring are presented, employing the optimization of lamination parameters. The applications are demonstrated on two aircraft configurations, a long range and a short range transport aircraft. Further developments presented in the article include the introduction of CFD-based aerodynamics in the tailoring process, and a process extension to assess the influence of aeroelastic tailoring on fatigue.

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