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- W2392246748 abstract "Due to the uncertainties taking place in designs,constructions and measures,general finite element models are no more than approximations to original structures,and the random structural models are more reasonable.In this paper,the random uncertainties of the mass,damping and stiffness matrices in the finite element model are modeled by random matrices,and a high efficiency pseudo excitation method for the dynamic responses analysis of the nonparametric probability system subjected to stationary random load is developed.A numerical example shows that the dynamic responses of the conventional(mean) finite element model are quite different from those based on the random matrix model.For precise manufacture,the uncertainties of models can not be ignored and the proposed method is quite useful in the analysis of such problems." @default.
- W2392246748 created "2016-06-24" @default.
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- W2392246748 date "2009-01-01" @default.
- W2392246748 modified "2023-09-25" @default.
- W2392246748 title "Stationary random response of dynamical systems with random uncertainties" @default.
- W2392246748 hasPublicationYear "2009" @default.
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