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Archive of Applied Mechanics
Erschienen in: Archive of Applied Mechanics 4/2018

30.10.2017 | Original

Vibration characteristics of rotating orthotropic cantilever plates using analytical approaches: a comprehensive parametric study

verfasst von: Hamidreza Rostami, Ahmad Rahbar Ranji, Firooz Bakhtiari-Nejad

Erschienen in: Archive of Applied Mechanics | Ausgabe 4/2018

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Abstract

This manuscript is concerned with the free vibration analysis of rotating orthotropic cantilever plates attached with an arbitrary stagger angle to a hub. The general governing equations which include both the centrifugal inertia forces and Coriolis effects are derived using Hamilton’s principle. The results are obtained using extended Kantorovich method and extended Galerkin method which are compared with each other, and available data in the literature and in good agreements are observed. A very detailed study of the influence of varying stiffness ratio, rotation speed, stagger angle, hub radius ratio and aspect ratio on the dynamic characteristics is conducted. These investigations provide complementary results, which leads to improvement in design and appropriate optimization of the material and geometry in this class of problems. The observation of the results shows that the crossing/veering phenomenon is influenced by the stiffness ratio, stagger angle and hub radius ratio. It is found that the centrifugal stiffening rate in the spanwise bending modes is constant, while in the torsion mode is changeable. The plate with the lower stiffness ratio has the higher centrifugal stiffening rate.
Nächster Artikel A numerical study on the nonlinear behavior of corner supported flat and curved panels

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Metadaten
Titel
Vibration characteristics of rotating orthotropic cantilever plates using analytical approaches: a comprehensive parametric study
verfasst von
Hamidreza Rostami
Ahmad Rahbar Ranji
Firooz Bakhtiari-Nejad
Publikationsdatum
30.10.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
Archive of Applied Mechanics / Ausgabe 4/2018
Print ISSN: 0939-1533
Elektronische ISSN: 1432-0681
DOI
https://doi.org/10.1007/s00419-017-1320-3

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