Application for the Input Motion Synthesis Using Nonlinear Response as Feature Indices by Searching Algorithm to a RC Bridge Pier Model

Abstract

A scheme for generating the design input motion is validated through numerical simulations. The characteritic of a ground motion is described by nonlinear response values of structural systems which have flucutuation in parameters. The input motion is generated by searching an appropriate wave in the information geometry space, which is a space of probability density distributions. The scheme is applied to a RC bridge pier model. The results show that the scheme gererate appropriate design input motion.It is also found that a sensitivity of the scheme to initial and other conditions is high.