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Analysis of behaviours of Rayleigh waves by stiffness matrix method
Author(s): 
Pages: 209-213,218
Year: Issue:  2
Journal: ROCK AND SOIL MECHANICS

Keyword:  表面波瑞利波振型频散曲线刚度矩阵特征值;
Abstract: 沿水平方向从半无限体分层系统截取出有限厚度分层固体系统,截取边界设置为刚性边界.将固体系统分层细化,由刚度矩阵方法可得到表面波在该系统频散特性,利用瑞利波位移在底层衰减特性从表面振型波可筛选出瑞利振型波,这些瑞利振型波与某一频率范围半无限体分层系统瑞利振型波对应,其频率下限与截取厚度有关,截取厚度越大,频率下限越小.同时还分析了分层细化厚度、截取厚度与分析频率关系.
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