Statistic moments of the total energy of potential systems and application to equivalent non-linearization

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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.
Original languageEnglish
Pages (from-to)573-587
Number of pages15
JournalInternational Journal of Non-Linear Mechanics
Volume35
Publication statusPublished - 2000

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Applied Mathematics

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