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Static and dynamic aeroelastic tailoring with composite blending and manoeuvre load alleviation. / Bordogna, Marco Tito; Lancelot, Paul; Bettebghor, Dimitri; De Breuker, Roeland.

In: Structural and Multidisciplinary Optimization, 2020.

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@article{3145ea981080494dbbe1daa2adf28f14,
title = "Static and dynamic aeroelastic tailoring with composite blending and manoeuvre load alleviation",
abstract = "In aircraft design, proper tailoring of composite anisotropic characteristics allows to achieve weight saving while maintaining good aeroelastic performance. To further improve the design, dynamic loads and manufacturing constraints should be integrated in the design process. The objective of this paper is to evaluate how the introduction of continuous blending constraints affects the optimum design and the retrieval of the final stacking sequence for a regional aircraft wing. The effect of the blending constraints on the optimum design (1) focuses on static and dynamic loading conditions and identifies the ones driving the optimization and (2) explores the potential weight saving due to the implementation of a manoeuvre load alleviation (MLA) strategy. Results show that while dynamic gust loads can be critical for wing design, in the case of a regional aircraft, their influence is minimal. Nevertheless, MLA strategies can reduce the impact of static loads on the final design in favour of gust loads, underlining the importance of considering such load-cases in the optimisation. In both cases, blending does not strongly affect the load criticality and retrieve a slightly heavier design. Finally, blending constraints confirmed their significant influence on the final discrete design and their capability to produce more manufacturable structures.",
keywords = "Aeroelasticity, Blending, Composite, Equivalent static load, Manoeuvre load alleviation",
author = "Bordogna, {Marco Tito} and Paul Lancelot and Dimitri Bettebghor and {De Breuker}, Roeland",
year = "2020",
doi = "10.1007/s00158-019-02446-w",
language = "English",
journal = "Structural and Multidisciplinary Optimization",
issn = "1615-147X",
publisher = "Springer",

}

RIS

TY - JOUR

T1 - Static and dynamic aeroelastic tailoring with composite blending and manoeuvre load alleviation

AU - Bordogna, Marco Tito

AU - Lancelot, Paul

AU - Bettebghor, Dimitri

AU - De Breuker, Roeland

PY - 2020

Y1 - 2020

N2 - In aircraft design, proper tailoring of composite anisotropic characteristics allows to achieve weight saving while maintaining good aeroelastic performance. To further improve the design, dynamic loads and manufacturing constraints should be integrated in the design process. The objective of this paper is to evaluate how the introduction of continuous blending constraints affects the optimum design and the retrieval of the final stacking sequence for a regional aircraft wing. The effect of the blending constraints on the optimum design (1) focuses on static and dynamic loading conditions and identifies the ones driving the optimization and (2) explores the potential weight saving due to the implementation of a manoeuvre load alleviation (MLA) strategy. Results show that while dynamic gust loads can be critical for wing design, in the case of a regional aircraft, their influence is minimal. Nevertheless, MLA strategies can reduce the impact of static loads on the final design in favour of gust loads, underlining the importance of considering such load-cases in the optimisation. In both cases, blending does not strongly affect the load criticality and retrieve a slightly heavier design. Finally, blending constraints confirmed their significant influence on the final discrete design and their capability to produce more manufacturable structures.

AB - In aircraft design, proper tailoring of composite anisotropic characteristics allows to achieve weight saving while maintaining good aeroelastic performance. To further improve the design, dynamic loads and manufacturing constraints should be integrated in the design process. The objective of this paper is to evaluate how the introduction of continuous blending constraints affects the optimum design and the retrieval of the final stacking sequence for a regional aircraft wing. The effect of the blending constraints on the optimum design (1) focuses on static and dynamic loading conditions and identifies the ones driving the optimization and (2) explores the potential weight saving due to the implementation of a manoeuvre load alleviation (MLA) strategy. Results show that while dynamic gust loads can be critical for wing design, in the case of a regional aircraft, their influence is minimal. Nevertheless, MLA strategies can reduce the impact of static loads on the final design in favour of gust loads, underlining the importance of considering such load-cases in the optimisation. In both cases, blending does not strongly affect the load criticality and retrieve a slightly heavier design. Finally, blending constraints confirmed their significant influence on the final discrete design and their capability to produce more manufacturable structures.

KW - Aeroelasticity

KW - Blending

KW - Composite

KW - Equivalent static load

KW - Manoeuvre load alleviation

UR - http://www.scopus.com/inward/record.url?scp=85077581808&partnerID=8YFLogxK

U2 - 10.1007/s00158-019-02446-w

DO - 10.1007/s00158-019-02446-w

M3 - Article

JO - Structural and Multidisciplinary Optimization

T2 - Structural and Multidisciplinary Optimization

JF - Structural and Multidisciplinary Optimization

SN - 1615-147X

ER -

ID: 68760474