DEVELOPMENT AND APPLICATIONS OF THE ELASTO-PLASTIC CELLULAR AUTOMATON

The paper presents the advancement and applications of the elasto-plastic cellular automaton (EPCA), a simulator for rock mechanics and rock engineering. The most significant feature of EPCA lies in its ‘down-top’ way of dealing with nonlinear behaviors of rocks. The theory, the basic idea and assoc...

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Published inActa mechanica solida Sinica Vol. 25; no. 2; pp. 126 - 143
Main Authors Pan, Pengzhi, Feng, Xiating, Zhou, Hui
Format Journal Article
LanguageEnglish
Published Singapore Elsevier Ltd 01.04.2012
Springer Singapore
Subjects
Classical Mechanics
complete stress-strain curves
elasto-plastic cellular automaton
Engineering
fluid flow
heat transfer
rock failure process
Surfaces and Interfaces
Theoretical and Applied Mechanics
thermo-hydro-mechanical coupling
Thin Films
岩石力学
岩石破裂过程
工程模拟器
应用
弹塑性
细胞自动机
耦合过程
非线性行为
elasto-plastic cellular automaton
thermo-hydro-mechanical coupling
complete stress-strain curves
fluid flow
heat transfer
rock failure process
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Summary:The paper presents the advancement and applications of the elasto-plastic cellular automaton (EPCA), a simulator for rock mechanics and rock engineering. The most significant feature of EPCA lies in its ‘down-top’ way of dealing with nonlinear behaviors of rocks. The theory, the basic idea and associated developments, including the definition of cellular automaton, the heterogeneous material model, constitutive relations, failure criteria, the post-yield softening scheme, the thermo-hydro-mechanical coupling process, are described. The applications are presented to show the ability of EPCA to model the rock failure process, fluid flow, heat transfer, and the coupled thermo-hydro-mechanical (THM) process etc.
Bibliography:The paper presents the advancement and applications of the elasto-plastic cellular automaton （EPCA）, a simulator for rock mechanics and rock engineering. The most significant feature of EPCA lies in its ＇down-top＇ way of dealing with nonlinear behaviors of rocks. The theory, the basic idea and associated developments, including the definition of cellular automaton, the heterogeneous material model, constitutive relations, failure criteria, the post-yield softening scheme, the thermo-hydro-mechanical coupling process, are described. The applications are presented to show the ability of EPCA to model the rock failure process, fluid flow, heat transfer, and the coupled thermo-hydro-mechanical （THM） process etc.
rock failure process, elasto-plastic cellular automaton, complete stress-strain curves,fluid flow, heat transfer, thermo-hydro-mechanical coupling
42-1121/O3
Pengzhi Pan,Xiating Feng,Hui Zhou （State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China）
ISSN:0894-9166
1860-2134
DOI:10.1016/S0894-9166(12)60014-7