STUDY ON SEISMIC WAVE TRAVEL TIME CALCULATION OF WAVEFRONT RAPID PROPULSION METHOD UNDER COMPLEX GEOLOGICAL CONDITIONS

被引：0
|
作者：
Xu, Yuming [1 ]
Jiang, Hanzhong [1 ]
Zhang, Shiying [1 ]
Wu, Chunfeng [1 ]
机构：
[1] Wuhan Univ Technol, Sch Civil Engn & Architecture, Wuhan 430070, Hubei, Peoples R China
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2019年 / 28卷 / 06期
关键词：
Seismic wave travel time calculation; wavefront fast propulsion method; complex velocity field; surface relief interface; theoretical model;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The fast marching method (FMM) is a fast, accurate and stable travel time calculation method. It not only has fast calculation speed, good flexibility, but also has unconditional stability for any complex velocity field. Conventional travel time calculations are basically based on horizontal surface, which limits the application of methods in undulating surface areas such as mountains and hills. Based on the FMM, a calculation method for calculating the seismic wave travel time of the undulating surface of the undulating surface under complex geological conditions is proposed. The calculation results of the theoretical model show that the method is feasible for the travel time calculation under complex geological conditions.
引用
收藏
页码：4719 / 4728
页数：10
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