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Modeling, analysis and validation of the structural response of a large-scale composite wing by ground testing

Kilimtzidis, Spyridon and Giannaros, Efthymios and Kotzakolios, Athanasios and Kafkas, Angelos and Keimer, Ralf and Baucke, Jan and Kostopoulos, Vassilis and Labeas, George (2023) Modeling, analysis and validation of the structural response of a large-scale composite wing by ground testing. Composite Structures, 312, p. 116897. Elsevier. doi: 10.1016/j.compstruct.2023.116897. ISSN 0263-8223.

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Official URL: https://www.sciencedirect.com/science/article/pii/S0263822323002416

Abstract

This article presents a methodology for the detailed sizing of a composite materials aircraft wing subject to wind tunnel testing design requirements. Aiming at the comparison among the numerical and experimental models in terms of structural response, a ground testing campaign has also been conducted. The present wing, designed and manufactured within the scope of the GRETEL project, consists of several internal, external and interface components, since provision is being made for a wind tunnel test campaign. The Finite Element Method (FEM) modeling technique for all the relevant parts of the wing is initially provided, taking into account the boundary conditions as well as the externally applied aerodynamic loads. The sizing methodology and subsequent compliance of the relevant parts and their connectivity elements with respect to design requirements is also explored in detailed fashion. Certain manufacturing requirements and aspects are also manifested and discussed. Following an introduction on the ground testing facilities and measuring equipment, the results of the static tests and the Ground Vibration Testing (GVT) are compared with the corresponding numerical values. Overall, the numerical and experimental results, in terms of displacements, natural frequencies and eigenmodes are in close agreement.

Item URL in elib:https://elib.dlr.de/194410/
Document Type:Article
Title:Modeling, analysis and validation of the structural response of a large-scale composite wing by ground testing
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Kilimtzidis, SpyridonDepartment of Mechanical Engineering & Aeronautics, University of Patras, Patras University Campus, GR 26504, Patras, GreeceUNSPECIFIEDUNSPECIFIED
Giannaros, EfthymiosDepartment of Mechanical Engineering & Aeronautics, University of Patras, Patras University Campus, GR 26504, Patras, GreeceUNSPECIFIEDUNSPECIFIED
Kotzakolios, AthanasiosDepartment of Mechanical Engineering & Aeronautics, University of Patras, Patras University Campus, GR 26504, Patras, GreeceUNSPECIFIEDUNSPECIFIED
Kafkas, AngelosDepartment of Mechanical Engineering & Aeronautics, University of Patras, Patras University Campus, GR 26504, Patras, GreeceUNSPECIFIEDUNSPECIFIED
Keimer, RalfUNSPECIFIEDhttps://orcid.org/0000-0001-9638-4413UNSPECIFIED
Baucke, JanINVENT GmbH, Christian-Pommer-Straße 47, 38112 Braunschweig, GermanyUNSPECIFIEDUNSPECIFIED
Kostopoulos, VassilisDepartment of Mechanical Engineering & Aeronautics, University of Patras, Patras University Campus, GR 26504, Patras, GreeceUNSPECIFIEDUNSPECIFIED
Labeas, GeorgeDepartment of Mechanical Engineering & Aeronautics, University of Patras, Patras University Campus, GR 26504, Patras, GreeceUNSPECIFIEDUNSPECIFIED
Date:May 2023
Journal or Publication Title:Composite Structures
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:312
DOI:10.1016/j.compstruct.2023.116897
Page Range:p. 116897
Publisher:Elsevier
ISSN:0263-8223
Status:Published
Keywords:Aircraft wing; Composite materials; FEM; GVT; Structural sizing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Structural Materials and Design
Location: Braunschweig
Institutes and Institutions:Institut für Systemleichtbau > Adaptronics
Deposited By: Keimer, Ralf
Deposited On:12 Dec 2023 10:35
Last Modified:18 Jan 2024 13:30

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