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2-D Three-Component Seismic Modeling for Monoclinic Media with Background of Random Isotropic Media

WANG En-li, HAN Li-guo, TANG Qi-jun, LIU Qian-kun, LIAN Yu-guang, GONG Xiang-bo   

  1. College of GeoExploration Science and Technology, Jilin University, Changchun 130026, China
  • Received:2008-02-25 Revised:1900-01-01 Online:2008-09-26 Published:2008-09-26
  • Contact: WANG En-li

Abstract: The snap-shots and synthetic seismograms in monoclinic media with the background of the random isotropic media of Von Kraman pattern autocorrelation function are simulated by staggered grid finite difference. Numerical results show that wave field in the complex media reveals the characteristics of both monoclinic media and random media. And the properties of crack-filled materials determine the anisotropy of qP wave and qS wave; dry crack impacts qP wave more remarkably than qS wave, while opposite case for water-saturated crack; in the case of same variance, when the scale length became smaller, the disturbance caused by random media became stronger.

Key words: random media, monoclinic media, scale, variance

CLC Number: 

  • P631.4
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