Adequacy of Statistical Linearization for Nonlinear Degrading Structural Systems

by S. Rahman, Battelle Memorial Inst, Columbus, United States,
Y. Ibrahim, Battelle Memorial Inst, Columbus, United States,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


An investigation is carried out to examine the validity of current practice in using statistical linearization method for nonlinear degrading structures subject to random ground acceleration. The method of analysis involves endochronic hysteretic constitutive law to model restoring forces and extensive Monte Carlo simulation. A numerical example on multi-degree-of-freedom system is presented.

Subject Headings: Structural systems | Statistics | Linear functions | Nonlinear analysis | Nonlinear response | Dynamic structural analysis | Monte Carlo method | Degrees of freedom

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