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Research paper thumbnail of AN EXPERIMENTAL STUDY AND INEXTENSIONAL ANALYSIS OF VIBRATIONS OF FREE-FREE CONICAL SHELLS

Experimental results and analytical comparison are presented for the resonant frequencies and ass... more Experimental results and analytical comparison are presented for the resonant frequencies and associated mode shapes of truncated conical shells with both edges floe. A wide range of the geometrical and modal parameters is covered. The inextensional solution of the modal vibrations is applied to predict the lower resonant frequencies with good accuracy. For higher circumferential wave numbers, a semi-empirical frequency equation is formulated from a parametric study of the measured frequencies.

Research paper thumbnail of AN EXPERIMENTAL STUDY AND INEXTENSIONAL ANALYSIS OF VIBRATIONS OF FREE-FREE CONICAL SHELLS

Experimental results and analytical comparison are presented for the resonant frequencies and ass... more Experimental results and analytical comparison are presented for the resonant frequencies and associated mode shapes of truncated conical shells with both edges floe. A wide range of the geometrical and modal parameters is covered. The inextensional solution of the modal vibrations is applied to predict the lower resonant frequencies with good accuracy. For higher circumferential wave numbers, a semi-empirical frequency equation is formulated from a parametric study of the measured frequencies.

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