Iyengar, RN and Manohar, CS (1987) Nonstationary Random Critical Seismic Excitations. In: Journal of Engineering Mechanics, 113 (4). pp. 529-541.
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A method is presented to find nonstationary random seismic excitations with a constraint on mean square value such that the response variance of a given linear system is maximized. It is also possible to incorporate the dominant input frequency into the analysis. The excitation is taken to be the product of a deterministic enveloping function and a zero mean Gaussian stationary random process. The power spectral density function of this process is determined such that the response variance is maximized. Numerical results are presented for a single-degree system and an earth embankment modeled as shear beam.
|Item Type:||Journal Article|
|Additional Information:||Copy right of this article belongs to American Society of Civil Engineers.|
|Department/Centre:||Division of Mechanical Sciences > Civil Engineering|
|Date Deposited:||19 Jan 2010 07:40|
|Last Modified:||07 Oct 2010 07:26|
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