A Unified Approach to the Finite Element Method and Error Analysis Procedures

Julian A. T. Dow

This book provides an in-depth background to better understanding of finite element results and techniques for improving accuracy of finite element methods. Thus, the reader is able to identify and eliminate errors contained in finite element models. Three different error analysis techniques are systematically developed from a common theoretical foundation: modeling erros in individual elements; discretization errors in the overall model; and, point-wise errors in the final stress or strain results. Thoroughly class tested with undergraduate and graduate students, A Unified Approach to the Finite Element Method and Error Analysis Procedures is sure to become an essential resource for students as well as practicing engineers and researchers. It features new, simpler element formulation techniques, model-independent results, and error measures; new polynomial-based methods for identifying critical points; and new procedures for evaluating sheer/strain accuracy. It is accessible to undergraduates, insightful to researchers, and useful to practitioners. Taylor series (polynomial) based, it includes intuitive elemental and point-wise error measures, and provides essential background information in 12 appendices.
  • Limba : Engleza
  • Cuprins : General Introduction. Problem Definition and Development: Introduction. Principle of Minimum Potential Energy. Elements of the Calculus of Variations. Derivation of the Plane Stress Problem. Rayleigh-Ritz Variational Solution Technique. Physically Interpretable Displacement Polynomials: Strain Gradient Notation: Introduction. Strain Gradient Notation. Strain Gradient Representation of Discrete Structures. Strain Transformations. A-Priori Error Analysis Procedures: Introduction. The Development of Strain Gradient Based Finite Elements. Four Node Quadrilateral Element. Six Node Linear Strain Element. Eight and Nine Node Elements. Shear Locking and Aspect Ratio Stiffening. The Strain Gradient Reformation of the Finite Differences Method: Introduction. Elements of the Finite Difference Method. Finite Difference Boundary Condition Models. Extensions to the Finite Difference Method. A-Posteriori Error Analysis Procedures: Introduction. The Zienkiewicz/Zhu Error Estimation Procedure. Error Estimation Based on Finite
  • Data Publicarii : 09 Nov 1998
  • Format : Hardback
  • Numar pagini : 533
  • ISBN : 9780122214400
532.99 Lei
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