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VIBRATION ANALYSIS OF A DAMPED ARCH USING AN ITERATIVE LAMINATE MODEL

✍ Scribed by B. KOVÁCS

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
146 KB
Volume
254
Category
Article
ISSN
0022-460X

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✦ Synopsis

A new model is presented for the dynamic analysis of a laminated circular ring segment. The di!erential equations which govern the free vibrations of a circular ring segment and the associated boundary conditions are derived by Hamilton's principle having consideration for the bending and shear deformation of all layers. The author uses a new iterative process to successively re"ne the stress/strain "eld in the sandwich arch. The model includes the e!ects of transverse shear and rotatory inertia. The iterative model is used to predict the modal frequencies and damping of simply-supported sandwich circular arch. The solutions for a three-layer circular arch are compared with a three-layer approximate model.

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