Nonlinear Response Combination in Seismic Analysis

by Armen Der Kiureghian, Univ of California, Berkeley, CA, USA,
Chih-Dao Wung, Univ of California, Berkeley, CA, USA,



Document Type: Proceeding Paper

Part of: Dynamic Response of Structures

Abstract:

Simple, approximate methods are developed to evaluate the maxima of response measures which are nonlinear functions of modal responses to seismic input. Examples for such response quantities include principal stresses and deviatoric stress measures. The results are given in the form of combination rules involving linear response components, which in turn are evaluated in terms of the modal properties of the structure and the input ground response spectrum. Comparisons with Monte Carlo simulations are used to examine the relative accuracy of the proposed and other methods.

Subject Headings: Stress analysis | Nonlinear analysis | Linear analysis | Seismic tests | Seismic effects | Nonlinear response | Monte Carlo method

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