Linked e-resources
Details
Table of Contents
Intro
Preface
Contents
1 Introduction
1.1 Research Background and Significances
1.2 Numerical Investigations for Damage and Fracture in Rock Considering Multiphysical Fields Coupling
1.3 Research Aims and Contents of the Book
1.3.1 Research Aims
1.3.2 Research Contents
References
2 Finite Element Algorithm for Continuum Damage Evolution of Rock Considering Hydro-Mechanical Coupling
2.1 Introduction
2.2 Assignment of Petrophysical Heterogeneity
2.3 Governing Equations with Hydro-Mechanical Coupling
2.4 Continuum Damage Evolution
2.5 Finite Element Analysis Strategy
2.6 Results and Discussion
2.6.1 Finite Element Model of Heterogeneous Rock
2.6.2 Rock Damage Analysis Under Different Conditions
2.6.3 Effective Stress Analysis by Hydro-Mechanical Coupling Influence
2.7 Conclusions
References
3 Finite Element Analysis for Continuum Damage Evolution and Wellbore Stability of Transversely Isotropic Rock Considering Hydro-Mechanical Coupling
3.1 Introduction
3.2 Finite Element Analysis Strategy
3.3 Finite Element Solution
3.3.1 Constitutive Equation
3.3.2 Finite Element Formulation
3.3.3 Finite Element Model and Adaptive Mesh Refinement for Wellbore Stability Analysis
3.4 Damage Tensor Calculation
3.4.1 Damage Tensor
3.4.2 Stress and Permeability with Damage
3.5 Wellbore Stability Analysis
3.6 Results and Discussion
3.6.1 Pore Pressure and Stress Analysis of Rock Surrounding Wellbore
3.6.2 Instability Analysis of Wellbore Failure Region
3.6.3 Collapse and Fracture Pressure Computation
3.7 Conclusions
References
4 Finite Element Analysis for Continuum Damage Evolution and Inclined Wellbore Stability of Transversely Isotropic Rock Considering Hydro-Mechanical-Chemical Coupling
4.1 Introduction
4.2 Transverse Isotropy and Hydration Characterization
4.2.1 Constitutive Equation
4.2.2 Hydration Effect
4.3 Finite Element Analysis Strategy
4.4 Finite Element Solution
4.4.1 Finite Element Formulation
4.4.2 Finite Element Model and Adaptive Mesh Refinement for Wellbore Stability Analysis
4.5 Damage Tensor Calculation
4.5.1 Damage Tensor
4.5.2 Stress and Permeability with Damage
4.6 Wellbore Stability Analysis Based on Weak Plane Strength Criterion
4.7 Results and Discussion
4.7.1 Pore Pressure and Stress Analysis of Rock Surrounding Wellbore with Hydro-Mechanical-Chemical Coupling
4.7.2 Petrophysical Heterogeneity and Chemically Active Effect Analysis
4.7.3 Time-Dependent Collapse and Fracture Pressure Computation
4.8 Conclusions
Appendix: Coordinate Systems and Stresses Transformation
References
5 Adaptive Finite Element Algorithm for Damage Detection of Non-Uniform Euler-Bernoulli Beams with Multiple Cracks Based on Natural Frequencies
Preface
Contents
1 Introduction
1.1 Research Background and Significances
1.2 Numerical Investigations for Damage and Fracture in Rock Considering Multiphysical Fields Coupling
1.3 Research Aims and Contents of the Book
1.3.1 Research Aims
1.3.2 Research Contents
References
2 Finite Element Algorithm for Continuum Damage Evolution of Rock Considering Hydro-Mechanical Coupling
2.1 Introduction
2.2 Assignment of Petrophysical Heterogeneity
2.3 Governing Equations with Hydro-Mechanical Coupling
2.4 Continuum Damage Evolution
2.5 Finite Element Analysis Strategy
2.6 Results and Discussion
2.6.1 Finite Element Model of Heterogeneous Rock
2.6.2 Rock Damage Analysis Under Different Conditions
2.6.3 Effective Stress Analysis by Hydro-Mechanical Coupling Influence
2.7 Conclusions
References
3 Finite Element Analysis for Continuum Damage Evolution and Wellbore Stability of Transversely Isotropic Rock Considering Hydro-Mechanical Coupling
3.1 Introduction
3.2 Finite Element Analysis Strategy
3.3 Finite Element Solution
3.3.1 Constitutive Equation
3.3.2 Finite Element Formulation
3.3.3 Finite Element Model and Adaptive Mesh Refinement for Wellbore Stability Analysis
3.4 Damage Tensor Calculation
3.4.1 Damage Tensor
3.4.2 Stress and Permeability with Damage
3.5 Wellbore Stability Analysis
3.6 Results and Discussion
3.6.1 Pore Pressure and Stress Analysis of Rock Surrounding Wellbore
3.6.2 Instability Analysis of Wellbore Failure Region
3.6.3 Collapse and Fracture Pressure Computation
3.7 Conclusions
References
4 Finite Element Analysis for Continuum Damage Evolution and Inclined Wellbore Stability of Transversely Isotropic Rock Considering Hydro-Mechanical-Chemical Coupling
4.1 Introduction
4.2 Transverse Isotropy and Hydration Characterization
4.2.1 Constitutive Equation
4.2.2 Hydration Effect
4.3 Finite Element Analysis Strategy
4.4 Finite Element Solution
4.4.1 Finite Element Formulation
4.4.2 Finite Element Model and Adaptive Mesh Refinement for Wellbore Stability Analysis
4.5 Damage Tensor Calculation
4.5.1 Damage Tensor
4.5.2 Stress and Permeability with Damage
4.6 Wellbore Stability Analysis Based on Weak Plane Strength Criterion
4.7 Results and Discussion
4.7.1 Pore Pressure and Stress Analysis of Rock Surrounding Wellbore with Hydro-Mechanical-Chemical Coupling
4.7.2 Petrophysical Heterogeneity and Chemically Active Effect Analysis
4.7.3 Time-Dependent Collapse and Fracture Pressure Computation
4.8 Conclusions
Appendix: Coordinate Systems and Stresses Transformation
References
5 Adaptive Finite Element Algorithm for Damage Detection of Non-Uniform Euler-Bernoulli Beams with Multiple Cracks Based on Natural Frequencies