Research Article
Apr 1981
Natural Frequencies of Curved Girders
Publication: Journal of the Engineering Mechanics Division
Volume 107, Issue 2
Abstract
A general finite element displacement formulation is presented to determine the natural frequencies of spatial thin-walled curved girders including the warping contribution. Also included are the rotatory inertia effects with respect to flexure and torsion, and the effects of antisymmetry of cross section (found to be significant). The stiffness and inertia properties of the finite element are obtained using the solutions of homogeneous differential equations governing the static problem as deformation modes. The obtained element relationships were programmed for use in digital computers, and a few example problems were analyzed. Some charts are given to expedite the determination of natural frequencies of horizontally curved girders.
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Published In
Journal of the Engineering Mechanics Division
Volume 107 • Issue 2 • April 1981
Pages: 339 - 354
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Apr 1981
Published online: Feb 3, 2021
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Chai Hong Yoo, M.ASCE
Assoc. Prof. of Civ. Engrg., Marquette Univ., 1515 West Wisconsin Ave., Milwaukee, Wisc. 53233
Jon P. Fehrenbach, AM.ASCE
Structural Engr., Boeing Commercial Airplane Co., Seattle, Wash.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.