Hydraulic fracturing modeling using the discontinuous deformation analysis (DDA) method

被引：87

作者：

Choo, Ling Qian ^{[1
]}

Zhao, Zhiye ^{[1
]}

Chen, Huimei ^{[1
]}

Tian, Qian

机构：

[1] Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore 639798, Singapore

来源：

COMPUTERS AND GEOTECHNICS | 2016年 / 76卷

关键词：

Discontinuous deformation analysis method; Hydraulic fracturing; Coupled hydra-mechanical analysis; FLUID VISCOSITY; FLOW; GAS;

D O I：

10.1016/j.compgeo.2016.02.011

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Recent attempts to couple discontinuous deformation analysis (DDA) blocks with finite element meshes have been regarded as fruitful. The hybrid model has been proven to be reliable in modeling continuum-discontinuum problems. In this paper, a hydraulic crack initiation-propagation extension complete with a coupled hydro-mechanical analysis algorithm is introduced to the hybrid model for the simulation of fracturing problems initiated by hydraulic pressure. Several simulation cases, of which the results appear to be consistent with existing theories of hydraulic fracturing mechanisms, are presented to demonstrate the capability of the proposed algorithm in modeling hydraulic fracturing processes. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：12 / 22

页数：11

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