COMPUTATIONAL MODEL OF SEISMIC WAVE PROPAGATION IN PRESTRESSED FORMATION

被引：0
|
作者：
Lys, E. V. [1 ]
Romenski, E. I. [2 ]
Cheverda, V. A. [1 ]
Epov, M. I. [1 ]
机构：
[1] SB RAS, Trofimuk Inst of Petr Geol & Geophys, Novosibirsk 630090, Russia
[2] SB RAS, Sobolev Inst Math, Novosibirsk 630090, Russia
来源：
11TH WORLD CONGRESS ON COMPUTATIONAL MECHANICS; 5TH EUROPEAN CONFERENCE ON COMPUTATIONAL MECHANICS; 6TH EUROPEAN CONFERENCE ON COMPUTATIONAL FLUID DYNAMICS, VOLS II - IV | 2014年
关键词：
Seismic waves; Prestressed Mediurn; Stress-Velocity Formulation; Anisotropy; ELASTIC-WAVES;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The new computational model for the seismic wave propagation in the initially prestressed media is proposed, the governing equations of which are written in terms of velocities, stress tensor and small rotations of element of the medium. The properties of wavefields in the prestressed medium are studied and some examples showing anisotropy of prestressed state are discussed. The staggered grid numerical method is developed for solving the governing equations of the model and numerical example is presented.
引用
收藏
页码：171 / 181
页数：11
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