Scattering of Seismic Surface Waves in Anisotropic Geomechanical Media

地震面波在各向异性地质力学介质中的散射

• 批准号: 9313578
• 负责人: Jong Lee
• 金额: $ 18.17万
• 依托单位: Clarkson University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-07-01 至 1998-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9313578&HistoricalAwards=false
• 关键词: Scattering; Seismic; Surface; Waves; Anisotropic

9313578 Lee The objectives of this study are: 1. to develop a scattering theory for surface waves in anisotropic media, 2. to develop an algorithm for numerical calculation of the scattered waves fields and to perform direct computational simulation of the scattering of waves, and 3. to perform physical ultrasonic experiments to obtain improved insight and understanding of the scattering mechanisms in anisotropic media. The proposed theoretical approach will be based on the combination of the Born approximation and the dyadic representation of the far field Green's function for an anistropic laterally homogeneous half- space. Physical ultrasonic experiments will be performed to ascertain the validity of the scattering theory. ***

9313578 Lee本研究的目的是：1. 发展了各向异性介质中表面波的散射理论; 2. 开发散射波场的数值计算算法，并对波的散射进行直接计算模拟; 3. 进行物理超声波实验，以提高对各向异性介质中散射机制的认识和理解。 所提出的理论方法将基于玻恩近似和各向异性横向均匀半空间的远场绿色函数的并矢表示的组合。 将进行物理超声实验以确定散射理论的有效性。 ***