Abstract
List of Figures
List of Tables
Chapter 1: Introduction
Chapter 2: Basic Formulations of the Reproducing Kernel Particle Method
2.1 Kernel functions and support domain
2.2 Kernel estimation
2.3 Continuous reproducing kernel approximation
2.4 Discrete reproducing kernel approximation: RKPM shape function and its derivatives
2.5 Essential boundary conditions
2.6 Weak form and discrete equations in RKPM
2.6.1 Preliminaries and the statement of the problem
2.6.2 Weak form of the momentum equation
2.6.3 Discretization of the momentum equation in RKPM
Chapter 3: A General Benchmark Test for Nonlinear Dynamic Problems
3.1 Standard Patch Test
3.2 Patch test in explicit programs
3.3 Benchmark test procedure
3.4 Error estimation
Chapter 4: Lower Integration Rules
4.1 Two-dimensional lower integration
4.2 Three-dimensional lower integration
4.3 Benchmark test of the integration schemes through numerical applications
4.3.1 Two-dimensional example
4.3.2 Three-dimensional example
Chapter 5: RKPM for Contact-Impact Problems
5.1 Introduction
5.2 Interface equations
5.2.1 Preliminaries
5.2.2 Impenetrability condition
5.2.3 Traction condition
5.2.4 Unitary contact condition
5.2.5 Interpenetration measure
5.3 Friction model: Coulomb friction
5.4 Statement of the contact-impact problems
5.5 Contact constraints methods
5.5.1 Penalty method
5.5.2 Lagrange multiplier method
5.6 Discretization of contact problems in RKPM
5.7 The particle to segment contact algorithm
5.7.1 Three-dimensional particle to segment contact algorithm
5.7.2 Two-dimensional particle to segment contact algorithm
5.8 Evaluation of the contact forces by penalty method
Chapter 6: Numerical Applications of the Particle to Segment Contact Algorithm in RKPM
6.1 Taylor bar impact
6.1.1 Two-dimensional Taylorbar impact simulation
6.1.2 Three dimensional Taylor bar impact simulation
6.2 Backward extrusion
6.2.1 Two-dimensional backward extrusion
6.2.2 Three-dimensional backward extrusion
6.3 Analysis of forging process
6.3.1 Two-dimensional analysis of forging process
6.3.2 Three-dimensional Analysis of forging process
6.4 Sheet metal forming: draw bending
6.4.1 Two-dimensional draw bending
6.4.2 Three-dimensional draw bending
6.5 Penetration simulation
6.5.1 Two-dimensional penetration simulation
6.5.2 Three-dimensional penetration simulation
6.6 Comparison of CPU times
6.6.1 Comparison of the CPU times in 3D
6.6.2 Comparison of the CPU times in 2D
Chapter 7: Conclusions
References
Acknowledgements
Publications
Appendix: Summary in Chinese (摘要)