Research Article
Feb 1979
Frequency Content in Earthquake Simulation
Publication: Journal of the Engineering Mechanics Division
Volume 105, Issue 1
Abstract
Random processes with frequency content similar to that of recorded earthquakes are generated by using linear filters to remove the very low and very high frequency components of white noise. The mean-squared responses of single-degree-of-freedom structures to these filtered processes are compared with the corresponding responses to white noise excitation. For linear structures exact analytical solutions for mean-squared displacement and velocity response are presented. Using an equivalent white noise to approximate the nonwhite noise excitation generally extends the frequency range of adequate approximation, particularly for small structural damping. For yielding structures Monte Carlo simulation is used to obtain response levels for some representative situations. The effect of a second-order filter on yielding system response is somewhat different than for a linear system; in fact, it is more like the effect of a first-order filter on linear system response.
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Information
Published In
Journal of the Engineering Mechanics Division
Volume 105 • Issue 1 • February 1979
Pages: 143 - 158
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Feb 1979
Published online: Feb 3, 2021
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Authors
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Loren D. Lutes, M.ASCE
Assoc. Prof. of Civ. Engrg., Rice Univ., Houston, Tex.
Kiat Lilhanand, M.ASCE
Sr. Engr., Bechtel Power Corp., San Francisco, Calif.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.