研究了弹性层状半空间中导波的多模性问题, 说明了关于瑞利波勘探中" 之" 字形频散曲线的形成
机理. 证明由单个的导波模式不可能得到" 之" 字形频散曲线, 并从能量的角度出发 …

ABSTRACT A subwavelength seismic metamaterial (SM) consisting of a three-component
SM plate (SMP) and a half space is proposed to attenuate ultra-low frequency seismic …

通过超声实验研究了沿分层介质, 特别是含有低速层的分层介质传播的瑞利波频散特征.
分别对有机玻璃/钢构成的两层速度递增的半空间和铝/有机玻璃/钢构成的含有低速层的三层半 …

The dispersion and the surface displacement as a function of frequency of multiple modes
guided waves in stratified media including a low‐velocity layer are studied by numerical …

Periodic arrays of negative capacitance shunted piezoelectric patches are employed to
control the band gaps of phononic beams. The location and the extent of induced band gap …

The local geology and shallow S-wave velocity structure of a site are recognized to be key
factors for the increase in the damaging potential of seismic waves. Indeed, seismic …

The guided waves in multilayered elastic media are studied. The mechanism of zigzag
dispersion curves in the Rayleigh Wave Exploration is analyzed. It is proved that the zigzag …

In this paper we introduce two modified Thomson–Haskell matrix (TH) methods for
dispersion-curve calculation of the Rayleigh and Love waves: the doubled Thomson …

在前人工作的基础上对三层层状介质的瑞利波频散曲线进行了正演模拟研究!
对假定的几组典型模型参数的频散曲线进行了认真分析" 通过分析可知! 各频散曲线之间是互不 …