The investigation of transient wave propagation in a dipping layered medium overlaying a half space
作者:
Pei‐Lin Chen,
期刊:
Journal of the Chinese Institute of Engineers
(Taylor Available online 1988)
卷期:
Volume 11,
issue 5
页码: 455-465
ISSN:0253-3839
年代: 1988
DOI:10.1080/02533839.1988.9677096
出版商: Taylor & Francis Group
关键词: transient wave;generalized ray theory
数据来源: Taylor
摘要:
The responses of transient wave propagation in a single dipping layered medium overlaying a half space was investigated in this study. To obtain the responses, a point source located in the dipping layered medium was assumed, and in order to make the results more consistent with real situations, the time functions for source mechanism, such as parabolic ramp function and triangular time function, were considered in this research. Finally, the famous mathematical tool with physical significance, the generalized ray theory [4], was employed to solve the foregoing problem, and the ray paths and responses for the distinct locations on the surface were then obtained and shown in sketches. It was found from the obtained results that the responses decay with the distance from the focus just as expected.
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