Nonlinear Coupled Mathematical Model for Solid Deformation and Gas Seepage in Fractured Media

被引：0
|
作者：
Yangsheng Zhao
Yaoqing Hu
Baohu Zhao
Dong Yang
机构：
[1] China University of Mining and Technology,Department of Mining Engineering
[2] Taiyuan University of Technology,Mining Technology Institute
来源：
Transport in Porous Media | 2004年 / 55卷
关键词：
rock matrix-fractured media; coupled solid deformation and gas seepage; nonlinear mathematical model; finite element method; methane extraction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Based on detailed investigation into the interactional physical mechanism of solid deformations and gas seepage in rock matrix and fracture, a nonlinear coupled mathematical model of solid deformation and gas seepage is put forward and the FEM model is built up to carry out numerical analysis. The coupled interaction laws between solid deformations and gas seepage in rock matrix and fractures has been emphasized in the model, which is a vital progress for coupled mathematical model of solid deformation and gas seepage of rock mass media. As an example, the methane extraction in fractured coal seam has been numerically simulated. By analyzing the simulation results, the law of methane migration and exchange in rock matrix and fractures is interpreted.
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收藏
页码：119 / 136
页数：17
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