Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

[共通セッション] 地震工学(地震応答解析,強震動予測,地盤振動,地盤液状化,断層変位,災害調査・解析,地震・津波防災)

地震応答解析

Thu. Sep 5, 2019 10:25 AM - 11:55 AM CS-2 (幸町南6号館 第3講義室)

座長:篠原 聖二(阪神高速道路)

[CS12-47] Modeling of hysteresis loops by neural network and its application to nonlinear dynamic analysis

*明渡 貴史1、松田 泰治1、梶田 幸秀1、玻座真 翼1 (1. 九州大学大学院)

Keywords:neural network, earthquake response analysis

In general, nonlinear hysteresis loops of new materials are modeled by selecting the most suitable model that captures the features of new material from relationship between the load and the displacemment obtained by the experiment and adjusting parameters. However, sometimes the model become complicated or not be able to reproduce the actual beavior. On the other hand, a neural network has a great capacity for learning and can be used for dynamic response analysis. In this research, we consider a method of performing a dynamic analysis with not modeling by using hysteresisloops based on conventional formulation but a learned neural network.

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