Research Article
Feb 1981
Stochastic Analysis of Elasto-Plastic Systems
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VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 107, Issue 1
Abstract
A new approximate and simple technique is presented for predicting the response of elasto-plastic type yielding systems under stationary random excitation. The total response is spilt into a low frequent drift response and a remaining process, the behavior of which is determined by effective damping and stiffness parameters. These parameters are defined on the basis of open loop properties. A new estimate of the yield increment is proposed. It is computed iteratively. The procedure is applicable for white noise as well as filtered noise input spectra. Correction factors are introduced to account for the variability of the input energy with frequency. The results for the yield increment, the effective parameters, the steady-state and transient response statistics, and the ductility ratios show a generally good agreement with simulation estimates.
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Published In
Journal of the Engineering Mechanics Division
Volume 107 • Issue 1 • February 1981
Pages: 97 - 116
Copyright
© 1981 American Society of Civil Engineers.
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Published in print: Feb 1981
Published online: Feb 3, 2021
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Authors
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Rudolf L. Grossmayer
Asst. Prof. of Applied Mech., Inst. of Tech., Karlplatz 13, A-1040 Vienna, Austria
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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.