✦ LIBER ✦

Non-linear response spectrum method for three-dimensional structures

✍ Scribed by Saravanapavananthan Sutharshana; William McGuire

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 878 KB
Volume: 16
Category: Article
ISSN: 0098-8847
DOI: 10.1002/eqe.4290160609

No coin nor oath required. For personal study only.

✦ Synopsis

An ;ipproxim;ite non-lincar response spectrum mcthod for thc analysis of three-dimensional structures is prcscntcd. Thc non-linear erects are taken into iiccounl by employing a n equivalent lineariration criterion along with inelastic spectra, and geometric stiffness matrices. The linearization procedure replaces the inelastic system by an equivalent linear system o n ;I member-by-member basis and accounts for the frequency shift and change in damping. Rational procedures for combining modal and spatial response maxima for three-dimensional structures subject to multi-component response spectra arc also discusscd. Thc modal response spectrum predictions compare favourably with those obtained from direct time-history analyses.

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