Dynamic Response of Systems with Uncertain Properties

by F. E. Udwadia, Univ of Southern California, Los, Angeles, CA, USA,



Document Type: Proceeding Paper

Part of: Dynamic Response of Structures

Abstract:

This paper addresses the methodology for determining the response of a structure modelled as single-degree-of-freedom system whose mass, damping and stiffness parameters are known only approximately. A methodology is developed for obtaining the response of a random system to steady state harmonic and transient excitations. Analytical expressions have been obtained to yield these responses. Comparisons with Monte Carlo simulations are shown to be very good.

Subject Headings: Structural models | Excitation (physics) | Dynamic response | Dynamic loads | Transient response | Structural dynamics | Stiffening

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