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Spectrum Analysis of The Gate of Dike Structure Under Nonstationary Random Loading | ||
| Thi-Qar University Journal for Engineering Sciences | ||
| Article 1, Volume 1, Issue 1, 2010, Pages 48-62 | ||
| Author | ||
| Kadhim Karim Mohsen | ||
| Abstract | ||
| This paper investigates the non stationary random excitations with a constraint on mean square value such that the response variance of a given linear system is minimized. 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 non stationary random process. The power spectral density function of this process is determined such that the response variance is minimized. The numerical results are presented for multi-degree freedom system and modeled to predict the behavior of the gate of dike Structure under random water loading. | ||
| Keywords | ||
| Random loading; seismic excitation; no stationary process | ||
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