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Structural Engineering and Mechanics Volume 13, Number 1, January 2002, pages 91-101 DOI: http://dx.doi.org/10.12989/sem.2002.13.1.091 |
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Evaluation of torsional natural frequencies for non-tubular bonded joints |
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Nicola Pugno and Romualdo Ruotolo (Italy)
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| Abstract | ||
| During the last several years, research activity on non-tubular bonded joints has concentrated on the effects of normal stress, bending moments and shear. Nevertheless, in certain situations, the structure may be subjected to twisting moments, so that the evaluation of its dynamic behaviour to torsional vibrations becomes of great importance even though evaluations of such loading conditions is entirely lacking in the literature. The aim of this article is to show that torsional natural frequencies of the non-tubular joint can be evaluated by determining the roots of a determinantal equation, derived by taking advantage of some analytical results obtained in a previous paper dealing with the analysis of the state of stress in the adhesive. Numerical results related to clamped-free and clamped-clamped joints complete the article. | ||
| Key Words | ||
| bonded joint, dynamic properties, torsional oscillation | ||
| Address | ||
| Pugno N, Politecn Turin, Dept Struct & Geotech Engn, Corso Duca Abruzzi 24, Turin, Italy Politecn Turin, Dept Struct & Geotech Engn, Turin, Italy Politecn Turin, Dept Aeronaut & Space Engn, Turin, Italy | ||