In this paper some properties of the total energy moments of potential systems, subjected to external white noise processes, are shown. Potential systems with a polynomial form of energy-dependent damping have been considered. It is shown that the analytical relations between the statistical moments of the energy associated with such systems can be obtained with the aid of the standard Ito calculus. Furthermore, it is shown that, for the stationary case, these analytical relations are very useful for the application of the equivalent non-linearization technique.
Cavaleri, L., Di Paola, M. (2000). Statistic moments of the total energy of potential systems and application to equivalent non-linearization. INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS, 35(4), 573-587 [10.1016/S0020-7462(99)00020-7].
Statistic moments of the total energy of potential systems and application to equivalent non-linearization
CAVALERI, Liborio;DI PAOLA, Mario
2000-01-01
Abstract
In this paper some properties of the total energy moments of potential systems, subjected to external white noise processes, are shown. Potential systems with a polynomial form of energy-dependent damping have been considered. It is shown that the analytical relations between the statistical moments of the energy associated with such systems can be obtained with the aid of the standard Ito calculus. Furthermore, it is shown that, for the stationary case, these analytical relations are very useful for the application of the equivalent non-linearization technique.File | Dimensione | Formato | |
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