Boundary Element Techniques in Computer-Aided Engineering

Boundary Element Techniques in Computer-Aided Engineering edited by C.A. Brebbia.

This book constitutes the edited proceedings of the Advanced Studies Institute on Boundary Element Techniques in Computer Aided Engineering held at The Institute of Computational Mechanics, Ashurst Lodge, Southampton, England, from September 19 to 30, 1984. The Institute was held under the auspices...

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Bibliographic Details
Corporate Author: SpringerLink (Online service)
Other Authors: Brebbia, C.A (Editor)
Format: eBook
Language:English
Published: Dordrecht : Springer Netherlands : Imprint: Springer, 1984.
Edition:1st ed. 1984.
Series:Nato Science Series E:, Applied Sciences, 84
Springer eBook Collection.
Subjects:
Computer mathematics.
Electrical engineering.
Electronic resources (E-books)
Online Access:Click to view e-book
Holy Cross Note:Loaded electronically.
Electronic access restricted to members of the Holy Cross Community.
Table of Contents:
  • 1. Weighted Residual Formulation of Approximate Methods
  • 1.1. Introduction
  • 1.2. Basic Definition
  • 1.3. Approximate Solutions
  • 1.4. Method of Weighted Residuals
  • 1.5. Weak Formulations
  • 1.6. The Inverse Problem
  • 1.7. Conclusions
  • References
  • 2. Boundary Element Methods
  • 2.1. Fundamentals of Functional Analysis
  • 2.2. Generalized Green’s Formula
  • 2.3. Variational Formulation
  • 2.4. Weighted Residual Scheme
  • 2.5. Boundary Element Formulation of Poisson’s Equation
  • 2.6. Fundamental Solutions
  • 2.7. Boundary Discretisation and Systems Equations
  • 2.8. Computation of Integrals — 2D case
  • 3. Boundary Integral Equations
  • 3.1. Simple-layer Formulations
  • 3.2. Double-layer Formulations
  • 3.3. Direct Formulations
  • 3.4. Indirect Vector Formulations
  • 3.5. Direct Formulations
  • References
  • 4. Scalar and Vector Potential Theory
  • 4.1. The Simple-layer Potential
  • 4.2. The Double-layer Potential
  • 4.3. Green’s Formula
  • 4.4. Identification of Scalar and Vector Symbolism
  • 4.5. Somigliana’s Identity
  • 4.6. Rigid-body Displacement Field
  • References
  • 5. Potential Problems in Two Dimensions
  • 5.1. Introduction
  • 5.2. Flow past an Obstacle
  • 5.3. Discretisation
  • 5.4. Green’s Boundary Formula
  • 5.5. Applications
  • 5.6. Boundary Singularities
  • 5.7. Composite Domains
  • 5.8. Conclusion
  • References
  • 6. Three-dimensional Axisymmetrical Potential Problems
  • 6.1. Introduction
  • 6.2. The Newtonian Potential
  • 6.3. Discretisation
  • 6.4. General Domain
  • 6.5. Axisymmetric Problems
  • 6.6. Conclusion
  • References
  • 7. Heat Transfer Applications
  • 7.1. Introduction
  • 7.2. Integral Equations associated with Steady Heat Conduction Problems
  • 7.3. Numerical Solution of the Integral Equations
  • 7.4. Poisson’s Equation
  • 7.5. Non-homogeneous Bodies; Method of Subregions
  • 7.6. Anisotropic Bodies
  • References
  • 8. Numerical Integration and other Computational Techniques
  • 8.1. Introduction
  • 8.2. Isoparametric Elements
  • 8.3. Numerical Integration
  • References
  • 9. Starting to work with Boundary Elements
  • 9.1. Introduction
  • 9.2. The Boundary Element Method
  • 9.3. Advantages and Disadvantages of the BEM compared to FEM
  • 9.4. Introduction to BEASY
  • 9.5. Examples
  • 9.6. Conclusions
  • References
  • 10. Experiences in Boundary Element Applications
  • 10.1. Introduction
  • 10.2. Pre- and Post Processing
  • 10.3. C.A.D. Coupling
  • 10.4. Installation on Different Computers
  • 10.5. Recommendations for BEM use
  • 11. Electrostatics Problems
  • 11.1. Introduction
  • 11.2. Theoretical Basis
  • 11.3. Boundary Elements
  • 11.4. Applications
  • 11.5. Conclusions
  • References
  • 12. A Boundary Element Solution of the Wave Equation
  • 12.1. Introduction
  • 12.2. Theoretical Development
  • 12.3. Boundary Conditions
  • 12.4. Numerical Implementation
  • 12.5. Velocities and Pressures
  • 12.6. Identification of Areas in Shadow
  • 12.7. Test Example
  • 12.8. Conclusions
  • References
  • 13. Elasticity Problems
  • 13.1. Introduction
  • 13.2. Governing Equations
  • 13.3. Boundary Integral Formulation
  • 13.4. Two Dimensional Elasticity Problems
  • 13.5. Three Dimensional Elasticity Problems
  • 13.6. Axisymmetric Elasticity Problems
  • References
  • 14. Elasticity Problems with Body Forces
  • 14.1. Introduction
  • 14.2. Transformation to Boundary Integrals
  • 14.3. 2D Body Forces
  • 14.4. 3D Body Forces
  • 14.5. Axisymmetric Body Forces
  • References
  • 15. Time Dependent Problems
  • 15.1. Introduction
  • 15.2. Time Dependent Diffusion
  • 15.3. The Scalar Wave Equation
  • 15.4. Transient Elastodynamics
  • 15.5. Mass Matrix Representation
  • 15.6. Conclusions
  • References
  • 16. Time Dependent Potential Problems
  • 16.1. Introduction
  • 16.2. Integral Formulation of Heat Conduction Problems
  • 16.3. Numerical Solution of the Integral Equations
  • 16.4. Conclusions
  • References
  • 17. Plate Bending Problems
  • 17.1. Preliminaries
  • 17.2. Reciprocal Work Relation
  • 17.3. Boundary Integral Representations
  • 17.4. Concluding Remarks
  • References
  • 18. A Choice of Fundamental Solutions
  • 18.1. Introductory Remarks
  • 18.2. A simple example: 2D Heat Conduction
  • 18.3. A more significant example: Plane Elastostatics
  • 18.4. Concluding Remarks
  • References
  • 19. Formulation for Cracks in Plate Bending
  • 19.1. Fundamental Solutions for Cracks
  • 19.2. Augmented Boundary Integral Equations
  • 19.3. Concluding Remarks
  • References
  • 20. Fracture Mechanics Stress Analysis, I.
  • 20.1. Introduction
  • 20.2. Stress Intensity Factors
  • 20.3. Integral Equation Methods for Crack Tip Stress Analysis
  • References
  • 21. Fracture Mechanics Stress Analysis, II
  • 21.1. Introduction
  • 21.2. Invariant Integral based on the Energy Momentum Tensor
  • 21.3 Invariant Integrals deduced from Betti’s Reciprocal Theorem
  • 21.4. Some Numerical Results for a Nocht Problem
  • 21.5. A Problem of Debond Stress Analysis
  • References
  • 22. BEM in Geomechanics
  • 22.1. Introduction
  • 22.2. Notation and some Basic Ideas
  • 22.3. BEM applied to the Interaction between Structures and the Supporting Ground
  • 22.4. Inhomogeneity, Zoning and Layering
  • 22.5. Elastoplasticity
  • 22.6. Concluding Remarks
  • References
  • 23. An Asymptotic Error Analysis and Underlying Mathematical Principles for Boundary Element Methods
  • 23.1. Projection Methods and Garding’s Inequality
  • 23.2. Examples of Strongly Elliptic Boundary Integral Equations
  • 23.3. Asymptotic Convergence of Galerkin type Boundary Element Methods
  • 23.4. Asymptotic Convergence of Collocation Methods
  • References.

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