摘要
通过二维有限元模型的数值模拟,验证了一个新的隧道预报机理:震源在隧道壁激发的面波在隧道掌子面上转换成横波继续向前传播,横波遇到界面产生反射,反射回来的面波在掌子面转换成面波沿隧道壁传播,这些波称为RSSR波。
We verified a new prediction strategy that has been discovered by 2D elastic nite-difference FD modeling:Rayleigh waves arriving at the front face of the tunnel are converted into shear wave and continues to propagate. Reflected or backscattered S-waves are converted back into Rayleigh waves which can be recorded along the sidewalls,which are called RSSR waves.
出处
《工程地球物理学报》
2009年第S1期6-7,共2页
Chinese Journal of Engineering Geophysics
基金
国家自然科学基金项目(编号:40874051)资助
关键词
瑞雷面波
横波
数值模拟
Rayleigh wave
shear wave
numerical simulation
