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A finite thin circular beam element for out-of-plane vibration analysis of curved beams

A finite thin circular beam element for out-of-plane vibration analysis of curved beams A finite thin circular beam element for the out-of-plane vibration analysis of curved beams is presented in this paper. Its stiffness matrix and mass matrix are derived, respectively, from the strain energy and the kinetic energy by using the natural shape functions derived from an integration of the differential equations in static equilibrium. The matrices are formulated with respect to the local polar coordinate system or to the global Cartesian coordinate system in consideration of the effects of shear deformation and rotary inertias. Some numerical examples are analyzed to confirm the validity of the element. It is shown that this kind of finite element can describe quite efficiently and accurately the out-of-plane motion of thin curved beams. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Mechanical Science and Technology Springer Journals

A finite thin circular beam element for out-of-plane vibration analysis of curved beams

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References (26)

Publisher
Springer Journals
Copyright
Copyright © 2009 by The Korean Society of Mechanical Engineers and Springer-Verlag GmbH
Subject
Engineering; Industrial and Production Engineering; Vibration, Dynamical Systems, Control; Mechanical Engineering
ISSN
1738-494X
eISSN
1976-3824
DOI
10.1007/s12206-008-1213-2
Publisher site
See Article on Publisher Site

Abstract

A finite thin circular beam element for the out-of-plane vibration analysis of curved beams is presented in this paper. Its stiffness matrix and mass matrix are derived, respectively, from the strain energy and the kinetic energy by using the natural shape functions derived from an integration of the differential equations in static equilibrium. The matrices are formulated with respect to the local polar coordinate system or to the global Cartesian coordinate system in consideration of the effects of shear deformation and rotary inertias. Some numerical examples are analyzed to confirm the validity of the element. It is shown that this kind of finite element can describe quite efficiently and accurately the out-of-plane motion of thin curved beams.

Journal

Journal of Mechanical Science and TechnologySpringer Journals

Published: May 1, 2009

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