Nonlinear Dynamic Response Analysis of Steel Frames under Seismic Action
T.Yoda; and N.Kodama

doi:10.3970/cmes.2006.011.001
Source CMES: Computer Modeling in Engineering & Sciences, Vol. 11, No. 1, pp. 1-8, 2006
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Keywords Nonlinear dynamic analysis, Steel frame, Seismic.
Abstract A nonlinear dynamic response analysis of a box section steel rigid frame under seismic action is proposed on the basis of a beam model. The average stress-strain relation of the beam model can be formulated for transverse stiffener spacing, in which stress-strain relation after local buckling is assumed. As a result of the present study, the maximum lateral displacements and the residual displacements of a box section steel rigid frame were well estimated by the proposed beam element model that considers the deterioration effect due to local buckling.
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