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FREE VIBRATION OF A TIMOSHENKO BEAM PARTIALLY LOADED WITH DISTRIBUTED MASS

✍ Scribed by K.T. Chan; X.Q. Wang

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
243 KB
Volume
206
Category
Article
ISSN
0022-460X

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✦ Synopsis

Exact frequencies and mode shapes have been calculated for a Timoshenko beam, on different boundary supports and partially loaded with a distributed mass span. They agree with experimental data. For the higher modes, frequencies obtained through the Euler-Bernoulli theory are not as accurate as the Timoshenko ones. Results show the effects of the added mass length, position and density on natural frequencies. The variation is cyclical with range depending on the added mass inertia. For certain loading, the range of variation is small, showing frequency to be insensitive to added mass location.

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