NEHRP Clearinghouse

Title
Sensitivity Analysis for Hysteretic Dynamic Systems: Theory and Applications.
File
PB262859.pdf
Author(s)
Ray, D.; Pister, K. S.; Polak, E.
Source
National Science Foundation, Washington, D.C., February 1976, 62 p.
Identifying Number(s)
EERC-76-12
Abstract
Sensitivity analysis, calculation of the rate of change of response variables with respect to design variables, is a critical component in the process of re-analysis for improvement of trial designs or in seeking an optimum design. This report presents necessary theorems and provides details for numerical computation of sensitivity matrices for spatially discretized structural systems subjected to dynamic excitation. General results are presented for nonlinear (hysteretic) structures and explicit numerical examples illustrate the methodology applied to multi-story shear frames whose force-displacement relationship is bilinear hysteretic.
Keywords
Dynamic response; Ground motion; Sensitivity analysis; Buildings; Earthquake engineering; Earthquake resistant structures; Mechanical hysteresis; Earthquakes; Earth movements; Design criteria; Vector analysis; Dynamic structural analysis