A study on the aeroelastic analysis of AGARD wing in subsonic and transonic flow regimes

Shahverdi, Hossein; Heidarian Shahri, Mojtaba; Tebyanian, Afshin; Ghobad, Yosef

doi:10.22034/jast.2024.463080.1198

A study on the aeroelastic analysis of AGARD wing in subsonic and transonic flow regimes

Document Type : Original Article

Authors

Hossein Shahverdi ¹

Mojtaba Heidarian Shahri ²

Afshin Tebyanian ³

Yosef Ghobad ³

¹ Department of Aerospace Engineering, Amirkabir University of Technology

² Department of Aerospace Engineering Amirkabir University of Technology

³ Department of Mechanical Engineering Department, Tarbiat Modares University

10.22034/jast.2024.463080.1198

Abstract

Predicting aeroelastic behavior using numerical methods is one of the most complex outcomes of analyzing fluid-structure interaction in the two fields of aerodynamics and structural mechanics. So, in this paper, the flutter analysis of the AGARD wing has been performed using fluid-solid interaction 2-way (FSI 2-way). The analysis was carried out on seven Mach numbers, from subsonic to transonic regimes. All the required solution steps have been performed using ANSYS commercial software. In this regard, the suitable FE mode of the wing has been constructed and validated using the modal data available in the literature. The applied aerodynamic forces on the wing have been calculated using numerical algorithms, and the displacement of the wing tip has been determined. The natural frequencies and flutter index have been calculated. The results obtained show a good agreement with the data available in the literature. Also, it is found that one can use Ansys computational fluid simulation software to perform fluid-solid interaction, specifically for aerospace structures.

Keywords

AGARD wing

modal analysis

fluid-structure interaction analysis

flutter index

flutter-frequency

Subjects

Aerospace Structures

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