Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME
Title of Paper:岩石三维破裂过程的数值模拟研究
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Date of Publication:2006-05-15
Journal:岩石力学与工程学报
Included Journals:EI、PKU、ISTIC、CSCD、Scopus
Volume:25
Issue:5
Page Number:931-936
ISSN No.:1000-6915
Key Words:数值模拟;三维破裂过程;非均匀性;细观损伤
Abstract:采用细观弹性损伤模型和有限元计算方法实现岩石三维破裂过程的数值模拟.考虑到岩石非均匀性的本质特征,通过引入简单直观的单元本构模型,采用细观单元材料性质退化的办法,利用位移加载来实现岩石逐渐破裂过程;模拟单轴压缩、单轴拉伸和剪切破裂3种基本试验,得到岩石非线性应力-应变曲线和不同载荷阶段三维损伤破裂演化系列图像;分析细观非均匀性对岩石宏观破裂力学行为的影响.试验研究表明,三维破裂比二维破裂更为复杂,RFPA3D可以有效地模拟脆性材料的三维破裂.
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