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Probabilistic Rotordynamics Analysis Using an Adaptive Importance Sampling Method

by Y.-T. Wu, Southwest Research Inst, San Antonio, United States,
T. Y. Torng, Southwest Research Inst, San Antonio, United States,
O. H. Burnside, Southwest Research Inst, San Antonio, United States,
M. H. Rheinfurth, Southwest Research Inst, San Antonio, United States,



Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability

Abstract:

A methodology is developed to compute the probability of instability of a rotor system that can be represented by a system of second-order ordindary linear differential equations. The probabilistic method is based on the multiple limit-states concept. An efficient adaptive importance sampling method is proposed to perform probabilistic analysis.

Subject Headings: Probability | Linear analysis | Dynamic analysis | Differential equations | Adaptive systems | Limit states | Tracking

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