alexa The Buckling Response of Lattice Fuselage Structures: Validation of Finite Element Models by Using Smeared Unit Cell Analytical Methodology
ISSN: 2168-9792

Journal of Aeronautics & Aerospace Engineering
Open Access

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Research Article

The Buckling Response of Lattice Fuselage Structures: Validation of Finite Element Models by Using Smeared Unit Cell Analytical Methodology

Kostopoulos V*, Kotzakolios T and Vlachos DE

Applied Mechanics Laboratory, Department of Mechanical Engineering and Aeronautics, University of Patras, Patras University Campus, GR-26500 Patras, Greece

*Corresponding Author:
Kostopoulos V
Applied Mechanics Laboratory, Department of Mechanical Engineering and Aeronautics
University of Patras, Patras University Campus, GR-26500 Patras, Greece
E-mail: [email protected]

Received Date: February 04, 2017; Accepted Date: March 06, 2017; Published Date: March 10, 2017

Citation: Kostopoulos V, Kotzakolios T, Vlachos DE (2017) The Buckling Response of Lattice Fuselage Structures: Validation of Finite Element Models by Using Smeared Unit Cell Analytical Methodology. J Aeronaut Aerospace Eng 6:185. doi: 10.4172/2168-9792.1000185

Copyright: © 2017 Kostopoulos V, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Composite lattice structures are shells that are reinforced by unidirectional helical and hoop ribs. Their main advantage over contemporary composite structures is their superior stiffness to mass ratio. However, their application in industry is still limited. In this paper, the lattice structure concept was applied for the case of a small business aircraft. Emphasis here is given at the initial stages of the design. More specifically, the buckling modes for bending loads were calculated by utilizing a continum unit cell model which was correlated with finite element models for a cylindrical small fuselage structure and two scaled down versions.

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