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  • IV International Conference on Computational Methods for Coupled Problems in Science and Engineering (COUPLED 2011) Kos, Greece, 20-22 June, 2011
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A refined 1D FE model for the application to aeroelasticity of composite wings

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hdl:2117/327364

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Varello, Alberto
Petrolo, Marco
Carrera, Erasmo
Document typeConference report
Defense date2011
PublisherCIMNE
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
The extension of a hierarchical one-dimensional structural model to aeroelasticity is the subject of the present paper. The aerodynamic model is based on the Vortex Lattice Method, VLM, whereas the refined 1D model is based on the Carrera Unified Formulation, CUF. Airfoil in-plane deformation and warping are introduced by enriching the displacement field over the cross-section of the wing. Linear to fourth-order expansions are adopted and classical beam theories (Euler-Bernoulli and Timoshenko) are obtained as particular cases. The VLM aerodynamic theory is coupled with the structural finite element model via an appropriate adaptation of the Infinite Plate Spline method. The aeroelastic tailoring is investigated for several wing configurations (by varying aspect ratio, airfoil geometry and sweep angle) and an excellent agreement with MD NASTRAN solution is provided for structural and aeroelastic cases. The effectiveness of higher-order models for an accurate evaluation of aeroelastic response of isotropic and composite wings is shown.
CitationVarello, A.; Petrolo, M.; Carrera, E. A refined 1D FE model for the application to aeroelasticity of composite wings. A: COUPLED IV. "COUPLED IV : proceedings of the IV International Conference on Computational Methods for Coupled Problems in Science and Engineering". CIMNE, 2011, p. 623-634. ISBN 978-84-89925-78-6. 
URIhttp://hdl.handle.net/2117/327364
ISBN978-84-89925-78-6
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  • International Conference on Computational Methods for Coupled Problems in Science and Engineering (COUPLED) - IV International Conference on Computational Methods for Coupled Problems in Science and Engineering (COUPLED 2011) Kos, Greece, 20-22 June, 2011 [128]
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