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Meccanica
Erschienen in: Meccanica 11/2016

08.02.2016 | Nonlinear Dynamics, Identification and Monitoring of Structures

A comprehensive analysis of hardening/softening behaviour of shearable planar beams with whatever axial boundary constraint

verfasst von: S. Lenci, F. Clementi, G. Rega

Erschienen in: Meccanica | Ausgabe 11/2016

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Abstract

The free nonlinear oscillations of a planar elastic beam are investigated based on a comprehensive asymptotic treatment of the exact equations of motion. With the aim of investigating the behaviour also for low slenderness, shear deformations and rotational inertia are taken into account. Attention is payed to the influence of the geometrical and mechanical parameters, and of the boundary conditions in changing the nonlinear behaviour from softening to hardening. An axial linear spring is added to one end of the beam, and it is shown how the behaviour changes qualitatively on passing from the hinged-hinged (commonly hardening) to the hinged-supported (commonly softening) case. Some interesting, and partially unexpected, results are obtained also for values of the slenderness moderately low but still in the realm of practical applications.
Vorheriger Artikel Nonlinear vibrations of a shallow arch under a low frequency and a resonant harmonic excitations
Nächster Artikel A three-degree-of-freedom model for vortex-induced vibrations of turbine blades

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Metadaten
Titel
A comprehensive analysis of hardening/softening behaviour of shearable planar beams with whatever axial boundary constraint
verfasst von
S. Lenci
F. Clementi
G. Rega
Publikationsdatum
08.02.2016
Verlag
Springer Netherlands
Erschienen in
Meccanica / Ausgabe 11/2016
Print ISSN: 0025-6455
Elektronische ISSN: 1572-9648
DOI
https://doi.org/10.1007/s11012-016-0374-6

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