Approximate Nonstationary Random Vibration Analysis for MDOF Systems
- 1 March 1988
- journal article
- Published by ASME International in Journal of Applied Mechanics
- Vol. 55 (1) , 197-200
- https://doi.org/10.1115/1.3173629
Abstract
An approximate method for nonstationary random vibration analysis is presented. This method utilizes properties of the stationary solution for simplifying the analysis. This approach has previously been applied by the author to linear and nonlinearly damped SDOF systems. In the present paper the concept is extended to linear MDOF systems and applied to nonstationary earthquake-type loading. Comparisons with available exact solutions show very good agreement in numerical results with the additional benefit of reducing computer time by more than one order of magnitude.Keywords
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