In the present paper the dynamic stability of circular cylindrical shells subjected to static and dynamic axial loads is investigated. Both Donnell´s nonlinear shallow shell and Sanders-Koiter shell theories have been applied to model finite-amplitude static and dynamic deformations. Results are compared in order to evaluate the accuracy of these theories in predicting instability onset and post-critical nonlinear response. The effect of a contained fluid on the stability and the post-critical behaviour is analyzed in detail. Geometric imperfections are considered and their influence on the dynamic instability and post-critical behaviour is investigated. Chaotic dynamics of pre-compressed shells is investigated by means of nonlinear time-series techniques, extracting correlation dimension and Lyapunov exponents.

Dynamic instability and chaos of empty and fluid-filled circular cylindrical shells under periodic axial loads / Pellicano, Francesco; M., Amabili. - In: JOURNAL OF SOUND AND VIBRATION. - ISSN 0022-460X. - STAMPA. - 293:1-2(2006), pp. 227-252. [10.1016/j.jsv.2005.09.032]

Dynamic instability and chaos of empty and fluid-filled circular cylindrical shells under periodic axial loads

PELLICANO, Francesco;
2006

Abstract

In the present paper the dynamic stability of circular cylindrical shells subjected to static and dynamic axial loads is investigated. Both Donnell´s nonlinear shallow shell and Sanders-Koiter shell theories have been applied to model finite-amplitude static and dynamic deformations. Results are compared in order to evaluate the accuracy of these theories in predicting instability onset and post-critical nonlinear response. The effect of a contained fluid on the stability and the post-critical behaviour is analyzed in detail. Geometric imperfections are considered and their influence on the dynamic instability and post-critical behaviour is investigated. Chaotic dynamics of pre-compressed shells is investigated by means of nonlinear time-series techniques, extracting correlation dimension and Lyapunov exponents.
293
1-2
227
252
Dynamic instability and chaos of empty and fluid-filled circular cylindrical shells under periodic axial loads / Pellicano, Francesco; M., Amabili. - In: JOURNAL OF SOUND AND VIBRATION. - ISSN 0022-460X. - STAMPA. - 293:1-2(2006), pp. 227-252. [10.1016/j.jsv.2005.09.032]
Pellicano, Francesco; M., Amabili
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/304441
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