Aeroelastic tailoring for static and dynamic loads with blending constraints

Conference Paper (2017)
Author(s)

Marco Tito Bordogna (Office National d'Etudes et de Recherches Aerospatiales, TU Delft - Aerospace Structures & Computational Mechanics)

P.M.G.J. Lancelot (TU Delft - Aerospace Structures & Computational Mechanics)

Dimitri Bettebghor (Office National d'Etudes et de Recherches Aerospatiales)

R. De Breuker (TU Delft - Aerospace Structures & Computational Mechanics)

Research Group
Aerospace Structures & Computational Mechanics
Copyright
© 2017 M.T. Bordogna, P.M.G.J. Lancelot, Dimitri Bettebghor, R. De Breuker
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Publication Year
2017
Language
English
Copyright
© 2017 M.T. Bordogna, P.M.G.J. Lancelot, Dimitri Bettebghor, R. De Breuker
Research Group
Aerospace Structures & Computational Mechanics
Volume number
2017-June
ISBN (electronic)
9788897576280
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Abstract

In the present paper the authors want to investigate the effect of different load configuration in order to identify the ones driving the optimization. A set of static loads, gust loads and static loads with maneuver load alleviation (MLA) are tested. Gust loads have been included in the optimization via an equivalent static load (ESL). Composite blending is tackled by means of continuous constraints and a two phases approach is proposed to find a blended stacking sequence table. Results show that region of influence can be identified for specific loads and that MLA can be beneficial for structural weight reduction. Finally, the blending constraints prove their effectiveness by significantly reducing the error in retrieving a blended stacking sequence.

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