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Full Description
Today the fundamentals of solid mechanics may be explained by "numerical" experiments using the finite element method. The explanation is detailed in this book using many examples. After a short review of how the finite element method works (in Chapter 1), Chapter 2 develops some key points of solid mechanics: what is a beam? when and how can a structure be represented by beam elements? what are the basic hypotheses? what kind of information does a beam model provide? A generalized beam element is also presented.
Chapter 3 uses the same approach for the discussion on stress concentrations and stress singularities: local effects; influence of geometric discontinuities, such as holes or corners; mesh refinements and/or analytic-numeric approaches.
Chapter 4 is devoted to plate modeling: coupling of membrane and bending, folded, stiffened, composite plates.
Chapter 5 provides a short presentation of the dynamics of structures with a particular focus on the modal method, the influence of local defaults on the modal response is also analyzed.
Commercial software (Ansys) is used to study the examples.
Contents
Introduction ix
Chapter 1. Fundamentals of the Finite Element Method 1
Chapter 2. Modeling Structures with Beam Elements 57
Chapter 3. Stress Concentrations, Stress Singularities 131
Chapter 4. Plates 187
Chapter 5. Dynamics using the FEM 233
APPENDICES 273
Appendix 1. Determination of Beam Section Properties 275
Bibliography 307
Index 313
