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Preface | |
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List of Boxes | |
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Introduction | |
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Nonlinear finite elements in design | |
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Related books and a brief history of nonlinear finite elements | |
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Notation | |
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Mesh descriptions | |
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Classification of partial differential equations | |
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Exercises | |
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Lagrangian and Eulerian finite elements in one dimension | |
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Introduction | |
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Governing equations for total Lagrangian formulation | |
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Weak form for total Lagrangian formulation | |
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Finite element discretization in total Lagrangian formulation | |
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Element and global matrices | |
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Governing equations for updated Lagrangian formulation | |
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Weak form for updated Lagrangian formulation | |
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Element equations for updated Lagrangian formulation | |
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Governing equations for Eulerian formulation | |
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Weak forms for Eulerian mesh equations | |
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Finite element equations | |
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Solution methods | |
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Summary | |
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Exercises | |
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Continuum mechanics | |
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Introduction | |
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Deformation and motion | |
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Strain measures | |
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Stress measures | |
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Conservation equations | |
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Lagrangian conservation equations | |
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Polar decomposition and frame-invariance | |
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Exercises | |
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Lagrangian meshes | |
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Introduction | |
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Governing equations | |
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Weak form: principle of virtual power | |
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Updated Lagrangian finite element discretization | |
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Implementation | |
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Corotational formulations | |
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Total Lagrangian formulation | |
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Total Lagrangian weak form | |
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Finite element semidiscretization | |
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Exercise | |
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Constitutive models | |
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Introduction | |
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The stress-strain curve | |
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One-dimensional elasticity | |
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Nonlinear elasticity | |
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One-dimensional plasticity | |
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Multiaxial plasticity | |
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Hyperelastic-plastic models | |
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Viscoelasticity | |
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Stress update algorithms | |
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Continuum mechanics and constitutive models | |
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Exercises | |
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Solution methods and stability | |
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Introduction | |
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Explicit methods | |
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Equilibrium solutions and implicit time integration | |
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Linearization | |
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Stability and continuation methods | |
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Numerical stability | |
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Material stability | |
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Exercises | |
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Arbitrary Lagrangian Eulerian formulations | |
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Introduction | |
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ALE continuum mechanics | |
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Conservation laws in ALE description | |
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ALE governing equations | |
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Weak forms | |
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Introduction to the Petrov-Galerkin method | |
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Petrov-Galerkin formulation of momentum equation | |
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Path-dependent materials | |
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Linearization of the discrete equations | |
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Mesh update equations | |
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Numerical example: an elastic-plastic wave propagation problem | |
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Total ALE formulations | |
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Element technology | |
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Introduction | |
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Element performance | |
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Element properties and patch tests | |
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Q4 and volumetric locking | |
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Multi-field weak forms and elements | |
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Multi-field quadrilaterals | |
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One-point quadrature elements | |
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Examples | |
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Stability | |
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Exercises | |
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Beams and shells | |
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Introduction | |
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Beam theories | |
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Continuum-based beam | |
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Analysis of CB beam | |
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Continuum-based shell implementation | |
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CB shell theory | |
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Shear and membrane locking | |
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Assumed strain elements | |
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One-point quadrature elements | |
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Exercises | |
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Contact-impact | |
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Introduction | |
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Contact interface equations | |
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Friction models | |
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Weak forms | |
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Finite element discretization | |
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On explicit methods | |
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Voigt notation | |
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Norms | |
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Element shape functions | |
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Glossary | |
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References | |
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Index | |