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HomeMIT Nonlinear Finite Element AnalysisLecture 6: Formulation of Finite Element Matrices
MIT Nonlinear Finite Element Analysis
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Lecture 6: Formulation of Finite Element Matrices
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Lecture 7: 2D & 3D Solid Elements; Plane Stress/Strain Conditions
Topics: Formulation of finite element matrices
- Summary of principle of virtual work equations in total and updated Lagrangian formulations
- Deformation-independent and deformation-dependent loading
- Materially-nonlinear-only analysis
- Dynamic analysis, implicit and explicit time integrations
- Derivations of finite element matrices for total and updated Lagrangian formulations, materially-nonlinear-only analysis
- Displacement and strain-displacement interpolation matrices
- Stress matrices
- Numerical integration and application of Gauss and Newton-Cotes formulas
- Example analysis: Elasto-plastic beam in bending
- Example analysis: A numerical experiment to test for correct element rigid body behavior
Instructor: Klaus-Jürgen Bathe