Seismic Random Vibration Analysis of Complex Uncertain Dynamic Systems
Abstract eng: The random uncertainties of the mass, damping and stiffness matrices in finite element models are modeled by random matrices, and a highly efficient pseudo excitation method for dynamic response analysis of nonparametric probability systems subjected to stationary random loading is developed. A numerical example shows that the dynamic responses of a conventional (i.e. the mean-valued) finite element model may be quite different from those based on the random matrix model. For precise manufacturing, the uncertainties of models can not be ignored and the proposed method will be quite useful in the analysis of such problems.
Contributors:
Conference Title:
Conference Title:
14th World Conference on Earthquake Engineering
Conference Venue:
Bejing (CN)
Conference Dates:
2008-10-12 / 2008-10-17
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.
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Record created 2014-12-05, last modified 2014-12-05
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