Nonlinear Dynamic Analysis of Stiffened and Unstiffened Laminated Composite Plates Using a High-order Element

Stiffened plates are used in several applications, such as aircrafts, ships, and aerospace structures. Dynamic analysis of stiffened and unstiffened composite laminated plate is presented in this work using a high-order finite element. The shear effect has been taken into consideration in the deriva...

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Veröffentlicht in:	Journal of composite materials 2010-02, Vol.44 (3), p.327-346
1. Verfasser:	Hegaze, Moutaz M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Exact sciences and technology Fundamental areas of phenomenology (including applications) Ground, air and sea transportation, marine construction Marine construction Physics Solid mechanics Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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container_title	Journal of composite materials
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creator	Hegaze, Moutaz M.
description	Stiffened plates are used in several applications, such as aircrafts, ships, and aerospace structures. Dynamic analysis of stiffened and unstiffened composite laminated plate is presented in this work using a high-order finite element. The shear effect has been taken into consideration in the derivation of the element. This technique gives us the ability to avoid the problem of unsymmetry of stiffness matrix due to large deformation effect. The accuracy of the proposed derivation of the element has been verified through the comparison of the results with published, software (ANSYS-11) and experimental results. The effects of the number of layers and degree of orthtropy are studied with different case studies by different boundary conditions and thickness-to-span ratio. A comparison with different kind of elements is presented.
doi_str_mv	10.1177/0021998309345356
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subjects	Applied sciences Exact sciences and technology Fundamental areas of phenomenology (including applications) Ground, air and sea transportation, marine construction Marine construction Physics Solid mechanics Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
title	Nonlinear Dynamic Analysis of Stiffened and Unstiffened Laminated Composite Plates Using a High-order Element
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