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Extended finite element method : theory and applications / / Amir R. Khoei
Extended finite element method : theory and applications / / Amir R. Khoei
Autore Khoei Amir R.
Pubbl/distr/stampa Chichester, England : , : Wiley, , 2015
Descrizione fisica 1 online resource (602 p.)
Disciplina 620.1/1260151825
Collana Wiley Series in Computational Mechanics
Soggetto topico Finite element method
Numerical analysis
ISBN 1-118-86968-0
1-118-86969-9
1-118-86967-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Title Page; Copyright; Contents; Series Preface; Preface; Chapter 1 Introduction; 1.1 Introduction; 1.2 An Enriched Finite Element Method; 1.3 A Review on X-FEM: Development and Applications; 1.3.1 CouplingX-FEM with the Level-Set Method; 1.3.2 Linear Elastic Fracture Mechanics (LEFM); 1.3.3 Cohesive Fracture Mechanics; 1.3.4 Composite Materials and Material In homogeneities; 1.3.5 Plasticity, Damage, and Fatigue Problems; 1.3.6 Shear Band Localization; 1.3.7 Fluid-Structure Interaction; 1.3.8 Fluid Flow in Fractured Porous Media; 1.3.9 Fluid Flow and Fluid Mechanics Problems
1.3.10 Phase Transition and Solidification 1.3.11 Thermal and Thermo-Mechanical Problems; 1.3.12 Plates and Shells; 1.3.13 Contact Problems; 1.3.14 Topology Optimization; 1.3.15 Piezoelectric and Magneto-Electroelastic Problems; 1.3.16 Multi-Scale Modeling; Chapter 2 Extended Finite Element Formulation; 2.1 Introduction; 2.2 The Partition of Unity Finite Element Method; 2.3 The Enrichment of Approximation Space; 2.3.1 Intrinsic Enrichment; 2.3.2 Extrinsic Enrichment; 2.4 The Basis of X-FEM Approximation; 2.4.1 The Signed Distance Function; 2.4.2 The Heaviside Function; 2.5 Blending Elements
2.6 Governing Equation of a Body with Discontinuity 2.6.1 The Divergence Theorem for Discontinuous Problems; 2.6.2 The Weak form of Governing Equation; 2.7 The X-FEM Discretization of Governing Equation; 2.7.1 Numerical Implementation of X-FEM Formulation; 2.7.2 Numerical Integration Algorithm; 2.8 Application of X-FEM in Weak and Strong Discontinuities; 2.8.1 Modeling an Elastic Bar with a Strong Discontinuity; 2.8.2 Modeling an Elastic Bar with a Weak Discontinuity; 2.8.3 Modeling an Elastic Plate with a Crack Interface at its Center
2.8.4 Modeling an Elastic Plate with a Material Interface at its Center 2.9 Higher Order X-FEM; 2.10 Implementation of X-FEM with Higher Order Elements; 2.10.1 Higher Order X-FEM Modeling of a Plate with a Material Interface; 2.10.2 Higher Order X-FEM Modeling of a Plate with a Curved Crack Interface; Chapter 3 Enrichment Elements; 3.1 Introduction; 3.2 Tracking Moving Boundaries; 3.3 Level Set Method; 3.3.1 Numerical Implementation of LSM; 3.3.2 Coupling the LSM with X-FEM; 3.4 Fast Marching Method; 3.4.1 Coupling the FMM with X-FEM; 3.5 X-FEM Enrichment Functions
3.5.1 Bimaterials, Voids, and Inclusions 3.5.2 Strong Discontinuities and Crack Interfaces; 3.5.3 Brittle Cracks; 3.5.4 Cohesive Cracks; 3.5.5 Plastic Fracture Mechanics; 3.5.6 Multiple Cracks; 3.5.7 Fracture in Bimaterial Problems; 3.5.8 Polycrystalline Microstructure; 3.5.9 Dislocations; 3.5.10 Shear Band Localization; Chapter 4 Blending Elements; 4.1 Introduction; 4.2 Convergence Analysis in the X-FEM; 4.3 Ill-Conditioning in theX-FEM Method; 4.3.1 One-Dimensional Problem with Material Interface; 4.4 Blending Strategies in X-FEM; 4.5 Enhanced Strain Method
4.5.1 An Enhanced Strain Blending Element for the Ramp Enrichment Function
Record Nr. UNINA-9910141916603321
Khoei Amir R.  
Chichester, England : , : Wiley, , 2015
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Extended finite element method : theory and applications / / Amir R. Khoei
Extended finite element method : theory and applications / / Amir R. Khoei
Autore Khoei Amir R.
Pubbl/distr/stampa Chichester, England : , : Wiley, , 2015
Descrizione fisica 1 online resource (602 p.)
Disciplina 620.1/1260151825
Collana Wiley Series in Computational Mechanics
Soggetto topico Finite element method
Numerical analysis
ISBN 1-118-86968-0
1-118-86969-9
1-118-86967-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Title Page; Copyright; Contents; Series Preface; Preface; Chapter 1 Introduction; 1.1 Introduction; 1.2 An Enriched Finite Element Method; 1.3 A Review on X-FEM: Development and Applications; 1.3.1 CouplingX-FEM with the Level-Set Method; 1.3.2 Linear Elastic Fracture Mechanics (LEFM); 1.3.3 Cohesive Fracture Mechanics; 1.3.4 Composite Materials and Material In homogeneities; 1.3.5 Plasticity, Damage, and Fatigue Problems; 1.3.6 Shear Band Localization; 1.3.7 Fluid-Structure Interaction; 1.3.8 Fluid Flow in Fractured Porous Media; 1.3.9 Fluid Flow and Fluid Mechanics Problems
1.3.10 Phase Transition and Solidification 1.3.11 Thermal and Thermo-Mechanical Problems; 1.3.12 Plates and Shells; 1.3.13 Contact Problems; 1.3.14 Topology Optimization; 1.3.15 Piezoelectric and Magneto-Electroelastic Problems; 1.3.16 Multi-Scale Modeling; Chapter 2 Extended Finite Element Formulation; 2.1 Introduction; 2.2 The Partition of Unity Finite Element Method; 2.3 The Enrichment of Approximation Space; 2.3.1 Intrinsic Enrichment; 2.3.2 Extrinsic Enrichment; 2.4 The Basis of X-FEM Approximation; 2.4.1 The Signed Distance Function; 2.4.2 The Heaviside Function; 2.5 Blending Elements
2.6 Governing Equation of a Body with Discontinuity 2.6.1 The Divergence Theorem for Discontinuous Problems; 2.6.2 The Weak form of Governing Equation; 2.7 The X-FEM Discretization of Governing Equation; 2.7.1 Numerical Implementation of X-FEM Formulation; 2.7.2 Numerical Integration Algorithm; 2.8 Application of X-FEM in Weak and Strong Discontinuities; 2.8.1 Modeling an Elastic Bar with a Strong Discontinuity; 2.8.2 Modeling an Elastic Bar with a Weak Discontinuity; 2.8.3 Modeling an Elastic Plate with a Crack Interface at its Center
2.8.4 Modeling an Elastic Plate with a Material Interface at its Center 2.9 Higher Order X-FEM; 2.10 Implementation of X-FEM with Higher Order Elements; 2.10.1 Higher Order X-FEM Modeling of a Plate with a Material Interface; 2.10.2 Higher Order X-FEM Modeling of a Plate with a Curved Crack Interface; Chapter 3 Enrichment Elements; 3.1 Introduction; 3.2 Tracking Moving Boundaries; 3.3 Level Set Method; 3.3.1 Numerical Implementation of LSM; 3.3.2 Coupling the LSM with X-FEM; 3.4 Fast Marching Method; 3.4.1 Coupling the FMM with X-FEM; 3.5 X-FEM Enrichment Functions
3.5.1 Bimaterials, Voids, and Inclusions 3.5.2 Strong Discontinuities and Crack Interfaces; 3.5.3 Brittle Cracks; 3.5.4 Cohesive Cracks; 3.5.5 Plastic Fracture Mechanics; 3.5.6 Multiple Cracks; 3.5.7 Fracture in Bimaterial Problems; 3.5.8 Polycrystalline Microstructure; 3.5.9 Dislocations; 3.5.10 Shear Band Localization; Chapter 4 Blending Elements; 4.1 Introduction; 4.2 Convergence Analysis in the X-FEM; 4.3 Ill-Conditioning in theX-FEM Method; 4.3.1 One-Dimensional Problem with Material Interface; 4.4 Blending Strategies in X-FEM; 4.5 Enhanced Strain Method
4.5.1 An Enhanced Strain Blending Element for the Ramp Enrichment Function
Record Nr. UNINA-9910814532103321
Khoei Amir R.  
Chichester, England : , : Wiley, , 2015
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Extended finite element method for crack propagation [[electronic resource] /] / Sylvie Pommier ... [et al.]
Extended finite element method for crack propagation [[electronic resource] /] / Sylvie Pommier ... [et al.]
Pubbl/distr/stampa London, U.K., : ISTE
Descrizione fisica 1 online resource (280 p.)
Disciplina 620.1/1260151825
Altri autori (Persone) PommierSylvie
Collana ISTE
Soggetto topico Fracture mechanics - Mathematics
Finite element method
ISBN 1-118-62265-0
1-299-31564-X
1-118-62184-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Title Page; Copyright Page; Table of Contents; Foreword; Acknowledgements; List of Symbols; Introduction; Chapter 1. Elementary Concepts of Fracture Mechanics; 1.1. Introduction; 1.2. Superposition principle; 1.3. Modes of crack straining; 1.4. Singular fields at cracking point; 1.4.1. Asymptotic solutions in Mode I; 1.4.2. Asymptotic solutions in Mode II; 1.4.3. Asymptotic solutions in Mode III; 1.4.4. Conclusions; 1.5. Crack propagation criteria; 1.5.1. Local criterion; 1.5.2. Energy criterion; 1.5.2.1. Energy release rate G
1.5.2.2. Relationship between G and stress intensity factors1.5.2.3. How the crack is propagated; 1.5.2.4. Propagation velocity; 1.5.2.5. Direction of crack propagation; Chapter 2. Representation of Fixed and Moving Discontinuities; 2.1. Geometric representation of a crack: a scale problem; 2.1.1. Link between the geometric representation of the crack and the crack model; 2.1.2. Link between the geometric representation of the crack and the numerical method used for crack growth simulation; 2.2. Crack representation by level sets; 2.2.1. Introduction; 2.2.2. Definition of level sets
2.2.3. Level sets discretization2.2.4. Initialization of level sets; 2.3. Simulation of the geometric propagation of a crack; 2.3.1. Some examples of strategies for crack propagation simulation; 2.3.2. Crack propagation modeled by level sets; 2.3.3. Numerical methods dedicated to level set propagation; 2.4. Prospects of the geometric representation of cracks; Chapter 3. Extended Finite Element Method X-FEM; 3.1. Introduction; 3.2. Going back to discretization methods; 3.2.1. Formulation of the problem and notations; 3.2.2. The Rayleigh-Ritz approximation; 3.2.3. Finite element method
3.2.4. Meshless methods.3.2.5. The partition of unity; 3.3. X-FEM discontinuity modeling; 3.3.1. Introduction, case of a cracked bar; 3.3.1.1. Case a: crack positioned on a node; 3.3.1.2. Case b: crack between two nodes; 3.3.2. Variants; 3.3.3. Extension to two-dimensional and three-dimensional cases; 3.3.4. Level sets within the framework of the eXtended finite element method; 3.4. Technical and mathematical aspects; 3.4.1. Integration; 3.4.2. Conditioning; 3.5. Evaluation of the stress intensity factors; 3.5.1. The Eshelby tensor and the J integral; 3.5.2. Interaction integrals
3.5.3. Considering volumic forces3.5.4. Considering thermal loading; Chapter 4. Non-linear Problems, Crack Growth by Fatigue; 4.1. Introduction; 4.2. Fatigue and non-linear fracture mechanics; 4.2.1. Mechanisms of crack growth by fatigue; 4.2.1.1. Crack growth mechanism at low ΔKI; 4.2.1.2. Crack growth mechanisms at average or high ΔKI; 4.2.1.3. Macroscopic crack growth rate and striation formation; 4.2.1.4. Fatigue crack growth rate of long cracks, Paris law; 4.2.1.5. Brief conclusions; 4.2.2. Confined plasticity and consequences for crack growth; 4.2.2.1. Irwin's plastic zones
4.2.2.2. Role of the T stress
Record Nr. UNINA-9910139240703321
London, U.K., : ISTE
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Extended finite element method for crack propagation / / Sylvie Pommier ... [et al.]
Extended finite element method for crack propagation / / Sylvie Pommier ... [et al.]
Edizione [1st ed.]
Pubbl/distr/stampa London, U.K., : ISTE
Descrizione fisica 1 online resource (280 p.)
Disciplina 620.1/1260151825
Altri autori (Persone) PommierSylvie
Collana ISTE
Soggetto topico Fracture mechanics - Mathematics
Finite element method
ISBN 1-118-62265-0
1-299-31564-X
1-118-62184-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Title Page; Copyright Page; Table of Contents; Foreword; Acknowledgements; List of Symbols; Introduction; Chapter 1. Elementary Concepts of Fracture Mechanics; 1.1. Introduction; 1.2. Superposition principle; 1.3. Modes of crack straining; 1.4. Singular fields at cracking point; 1.4.1. Asymptotic solutions in Mode I; 1.4.2. Asymptotic solutions in Mode II; 1.4.3. Asymptotic solutions in Mode III; 1.4.4. Conclusions; 1.5. Crack propagation criteria; 1.5.1. Local criterion; 1.5.2. Energy criterion; 1.5.2.1. Energy release rate G
1.5.2.2. Relationship between G and stress intensity factors1.5.2.3. How the crack is propagated; 1.5.2.4. Propagation velocity; 1.5.2.5. Direction of crack propagation; Chapter 2. Representation of Fixed and Moving Discontinuities; 2.1. Geometric representation of a crack: a scale problem; 2.1.1. Link between the geometric representation of the crack and the crack model; 2.1.2. Link between the geometric representation of the crack and the numerical method used for crack growth simulation; 2.2. Crack representation by level sets; 2.2.1. Introduction; 2.2.2. Definition of level sets
2.2.3. Level sets discretization2.2.4. Initialization of level sets; 2.3. Simulation of the geometric propagation of a crack; 2.3.1. Some examples of strategies for crack propagation simulation; 2.3.2. Crack propagation modeled by level sets; 2.3.3. Numerical methods dedicated to level set propagation; 2.4. Prospects of the geometric representation of cracks; Chapter 3. Extended Finite Element Method X-FEM; 3.1. Introduction; 3.2. Going back to discretization methods; 3.2.1. Formulation of the problem and notations; 3.2.2. The Rayleigh-Ritz approximation; 3.2.3. Finite element method
3.2.4. Meshless methods.3.2.5. The partition of unity; 3.3. X-FEM discontinuity modeling; 3.3.1. Introduction, case of a cracked bar; 3.3.1.1. Case a: crack positioned on a node; 3.3.1.2. Case b: crack between two nodes; 3.3.2. Variants; 3.3.3. Extension to two-dimensional and three-dimensional cases; 3.3.4. Level sets within the framework of the eXtended finite element method; 3.4. Technical and mathematical aspects; 3.4.1. Integration; 3.4.2. Conditioning; 3.5. Evaluation of the stress intensity factors; 3.5.1. The Eshelby tensor and the J integral; 3.5.2. Interaction integrals
3.5.3. Considering volumic forces3.5.4. Considering thermal loading; Chapter 4. Non-linear Problems, Crack Growth by Fatigue; 4.1. Introduction; 4.2. Fatigue and non-linear fracture mechanics; 4.2.1. Mechanisms of crack growth by fatigue; 4.2.1.1. Crack growth mechanism at low ΔKI; 4.2.1.2. Crack growth mechanisms at average or high ΔKI; 4.2.1.3. Macroscopic crack growth rate and striation formation; 4.2.1.4. Fatigue crack growth rate of long cracks, Paris law; 4.2.1.5. Brief conclusions; 4.2.2. Confined plasticity and consequences for crack growth; 4.2.2.1. Irwin's plastic zones
4.2.2.2. Role of the T stress
Record Nr. UNINA-9910808334803321
London, U.K., : ISTE
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui