Seismic Response of Anisotropic Coal Based on Ray Theory

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2014, Vol. 31 ›› Issue (4): 444-448.

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Seismic Response of Anisotropic Coal Based on Ray Theory

LI Qin¹, LI Qingchun², ZHANG Lin³

1. Xi'an University of Science and Technology, College of Geological and Environmental Sciences, Xi'an 710054, China;
2. Chang'an University, College of Geology Engineering and Geomatics, Xi'an 710054, China;
3. Shaanxi Center of Geological Survey, Xi'an 710016, China

Received:2013-07-27 Revised:2013-11-25 Online:2014-07-25 Published:2014-07-25

Abstract

Abstract: We illustrate a technique of ray tracing by shooting method and analyze rules of ray in VTI coal. With mixed-language programming of VC ++ and Fortran, ray tracing in VTI coal with a complex velocity model is realized. It demonstrates necessaries of anisotropic ray tracing in VTI coal by comparison of ray tracing in VTI coal and isotropic media. By contrast of calculation time, it indicates that this method is efficient to meet needs of seismic records forward. The technique can be used in multi-wave ray tracing in anisotropic coal as giving responding formulae and parameters.

Key words: VTI coal, ray tracing, anisotropy

CLC Number:

P631

LI Qin, LI Qingchun, ZHANG Lin. Seismic Response of Anisotropic Coal Based on Ray Theory[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2014, 31(4): 444-448.

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Seismic Response of Anisotropic Coal Based on Ray Theory

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