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基于LSSVM的重力坝地震稳定易损性分析

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Indexed by:期刊论文

Date of Publication:2013-02-28

Journal:振动与冲击

Included Journals:EI、PKU、ISTIC、CSCD、Scopus

Volume:32

Issue:4

Page Number:146-152

ISSN No.:1000-3835

Key Words:重力坝动力稳定;地震易损性;最小二乘支持向量机

Abstract:提出了一种基于最小二乘支持向量机的易损性分析方法,将有限元数值计算的结果作为学习样本,建立最小二乘支持向量机模型,进而进行Monte Carlo仿真,获得结构的易损性曲线,在保证计算精度的同时,提高了计算效率.采用该方法对某重力坝挡水坝段进行了动力稳定易损性分析,并对主要参数进行了敏感性分析.结果表明,该坝段能够保证设计地震作用下的动力抗滑稳定性,且有较大的安全裕度.

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