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The Finite Element Method: Its Basis and Fundamentals

The Sixth Edition of this influential best-selling book delivers the most up-to-date and comprehensive text and reference yet on the basis of the finite element method (FEM) for… Read more

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Description

The Sixth Edition of this influential best-selling book delivers the most up-to-date and comprehensive text and reference yet on the basis of the finite element method (FEM) for all engineers and mathematicians. Since the appearance of the first edition 38 years ago, The Finite Element Method provides arguably the most authoritative introductory text to the method, covering the latest developments and approaches in this dynamic subject, and is amply supplemented by exercises, worked solutions and computer algorithms.

• The classic FEM text, written by the subject's leading authors
• Enhancements include more worked examples and exercises
• With a new chapter on automatic mesh generation and added materials on shape function development and the use of higher order elements in solving elasticity and field problems

Active research has shaped The Finite Element Method into the pre-eminent tool for the modelling of physical systems. It maintains the comprehensive style of earlier editions, while presenting the systematic development for the solution of problems modelled by linear differential equations.

Together with the second and third self-contained volumes (0750663219 and 0750663227), The Finite Element Method Set (0750664312) provides a formidable resource covering the theory and the application of FEM, including the basis of the method, its application to advanced solid and structural mechanics and to computational fluid dynamics.

Key features

  • The classic introduction to the finite element method, by two of the subject's leading authors
  • Any professional or student of engineering involved in understanding the computational modelling of physical systems will inevitably use the techniques in this key text

Readership

Senior students, researchers and practicing engineers in mechanical, automotive, aeronautical and civil engineering. Key topic for applied mathematicians and engineering software developers.

Table of contents

Chapter 1: The standard discrete system and origins of the finite element method

1.1 Introduction

1.2 The structural element and the structural system

1.3 Assembly and analysis of a structure

1.4 The boundary conditions

1.5 Electrical and fluid networks

1.6 The general pattern

1.7 The standard discrete system

1.8 Transformation of coordinates

1.9 Problems

Chapter 2: A direct physical approach to problems in elasticity: plane stress

2.1 Introduction

2.2 Direct formulation of finite element characteristics

2.3 Generalization to the whole region ¨C internal nodal force concept abandoned

2.4 Displacement approach as a Minimization of total potential energy

2.5 Convergence criteria

2.6 Discretization error and convergence rate

2.7 Displacement functions with discontinuity between elements ¨C non-conforming elements and the patch test

2.8 Finite element solution process

2.9 Numerical examples

2.10 Concluding remarks

2.11 Problems

Chapter 3: Generalization of finite element concepts

3.1 Introduction

3.2 Integral or ¡®weak¡¯ statements equivalent to the differential equations

3.3 Approximation to integral formulations: the weighted residual-Galerkin method

3.4 Virtual work as the ¡®weak form¡¯ of equilibrium equations for analysis of solids or fluids

3.5 Partial discretization

3.6 Convergence

3.7 What are ¡®variational principles¡¯?

3.8 ¡®Natural¡¯ variational principles and their relation to governing differential equations

3.9 Establishment of natural variational principles for linear, self-adjoint, differential equations

3.10 Maximum, minimum, or a saddle point?

3.11 Constrained variational principles. Lagrange multipliers

3.12 Constrained variational principles. Penalty function and perturbed lagrangian methods

3.13 Least squares approximations

3.14 Concluding remarks ¨C finite difference and boundary methods

3.15 Problems

Chapter 4: Element shape functions

4.1 Introduction

4.2 Standard and hierarchical concepts

4.3 Rectangular elements ¨C some preliminary considerations

4.4 Completeness of polynomials

4.5 Rectangular elements ¨C Lagrange family

4.6 Rectangular elements ¨C ¡®serendipity¡¯ family

4.7 Triangular element family

4.8 Line elements

4.9 Rectangular prisms ¨C Lagrange family

4.10 Rectangular prisms ¨C ¡®serendipity¡¯ family

4.11 Tetrahedral elements

4.12 Other simple three-dimensional elements

4.13 Hierarchic polynomials in one dimension

4.14 Two- and three-dimensional, hierarchical elements of the ¡®rectangle¡¯ or ¡®brick¡¯ type

4.15 Triangle and tetrahedron family

4.16 Improvement of conditioning with hierarchical forms

4.17 Global and local finite element approximation

4.18 Elimination of internal parameters before assembly ¨C substructures

4.19 Concluding remarks

4.20 Problems

Chapter 5: Mapped elements and numerical integration

5.1 Introduction

5.2 Use of ¡®shape functions¡¯ in the establishment of coordinate transformations

5.3 Geometrical conformity of elements

5.4 Variation of the unknown function within distorted, curvilinear elements. Continuity requirements
Contents ix

5.5 Evaluation of element matrices. Transformation in ¦Î, ¦Â, ¦Æ coordinates

5.6 Evaluation of element matrices. Transformation in area and volume coordinates

5.7 Order of convergence for mapped elements

5.8 Shape functions by degeneration

5.9 Numerical integration ¨C rectangular (2D) or brick regions (3D)

5.10 Numerical integration ¨C triangular or tetrahedral regions

5.11 Generation of finite element meshes by mapping. Blending functions

5.12 Required order of numerical integration

5.13 Meshes by blending functions

5.14 Infinite domains and infinite elements

5.15 Singular elements by mapping ¨C use in fracture mechanics, etc.

5.16 Computational advantage of numerically integrated finite elements

5.17 Problems

Chapter 6: Linear elasticity

6.1 Introduction

6.2 Governing equations

6.3 Finite element approximation

6.4 Reporting of results: displacements, strains and stresses

6.5 Numerical examples

6.6 Problems

Chapter 7: Field problems

7.1 Introduction

7.2 General quasi-harmonic equation

7.3 Finite element solution process

7.4 Partial discretization ¨C transient problems

7.5 Numerical examples ¨C an assessment of accuracy

7.6 Concluding remarks

7.7 Problems

Chapter 8: Automatic mesh generation

8.1 Introduction

8.2 Two-dimensional mesh generation ¨C advancing front method

8.3 Surface mesh generation

8.4 Three-dimensional mesh generation ¨C Delaunay triangulation

8.5 Concluding remarks

8.6 Problems

Chapter 9: The patch test and reduced integration

9.1 Introduction

9.2 Convergence requirements

9.3 The simple patch test (tests A and B) ¨C a necessary condition for convergence

9.4 Generalized patch test (test C) and the single-element test

9.5 The generality of a numerical patch test

9.6 Higher order patch tests

9.7 Application of the patch test to plane elasticity elements with ¡®standard¡¯ and ¡®reduced¡¯ quadrature

9.8 Application of the patch test to an incompatible element

9.9 Higher order patch test ¨C assessment of robustness

9.10 Conclusion

9.11 Problems

Chapter 10: Mixed formulation and constraints

10.1 Introduction

10.2 Discretization of mixed forms ¨C some general remarks

10.3 Stability of mixed approximation. The patch test

10.4 Two-field mixed formulation in elasticity

10.5 Three-field mixed formulations in elasticity

10.6 Complementary forms with direct constraint

10.7 Concluding remarks ¨C mixed formulation or a test of element ¡®robustness¡¯

10.8 Problems

Chapter 11: Incompressible problems, mixed methods and other procedures of solution

11.1 Introduction

11.2 Deviatoric stress and strain, pressure and volume change

11.3 Two-field incompressible elasticity (u¨Cp form)

11.4 Three-field nearly incompressible elasticity (u¨Cp¨C¦Åv form)

11.5 Reduced and selective integration and its equivalence to penalized mixed problems

11.6 A simple iterative solution process for mixed problems: Uzawa method

11.7 Stabilized methods for some mixed elements failing the incompressibility patch test

11.8 Concluding remarks

11.9 Exercises

Chapter 12 Multidomain mixed approximations ¨C domain decomposition and ¡®frame¡¯ methods

12.1 Introduction

12.2 Linking of two or more subdomains by Lagrange multipliers

12.3 Linking of two or more subdomains by perturbed lagrangian and penalty methods

12.4 Interface displacement ¡®frame¡¯

12.5 Linking of boundary (or Trefftz)-type solution by the ¡®frame¡¯ of specified displacements

12.6 Subdomains with ¡®standard¡¯ elements and global functions

12.7 Concluding remarks

12.8 Problems

Chapter 13: Errors, recovery processes and error estimates

13.1 Definition of errors

13.2 Superconvergence and optimal sampling points

13.3 Recovery of gradients and stresses

13.4 Superconvergent patch recovery ¨C SPR

13.5 Recovery by equilibration of patches ¨C REP

13.6 Error estimates by recovery

13.7 Residual-based methods

13.8 Asymptotic behaviour and robustness of error estimators ¨C the Babu¡¦ska patch test

13.9 Bounds on quantities of interest

13.10 Which errors should concern us?

13.11 Problems

Chapter 14: Adaptive finite element refinement

14.1 Introduction

14.2 Adaptive h-refinement

14.3 p-refinement and hp-refinement

14.4 Concluding remarks

14.5 Problems

Chapter 15: Point-based and partition of unity approximations

15.1 Introduction

15.2 Function approximation

15.3 Moving least squares approximations ¨C restoration of continuity of approximation

15.4 Hierarchical enhancement of moving least squares expansions

15.5 Point collocation ¨C finite point methods

15.6 Galerkin weighting and finite volume methods

15.7 Use of hierarchic and special functions based on standard finite elements satisfying the partition of unity requirement

15.8 Closure

15.9 Problems

Chapter 16: Semi-discretization and analytical solution

16.1 Introduction

16.2 Direct formulation of time-dependent problems with spatial finite element subdivision

16.3 General classification

16.4 Free response ¨C eigenvalues for second-order problems and dynamic vibration

16.5 Free response ¨C eigenvalues for first-order problems and heat conduction, etc.

16.6 Free response ¨C damped dynamic eigenvalues

16.7 Forced periodic response

16.8 Transient response by analytical procedures

16.9 Symmetry and repeatability

16.10 Problems

Chapter 17: Discrete approximation in time

17.1 Introduction

17.2 Simple time-step algorithms for the first-order equation

17.3 General single-step algorithms for first and second order equations

17.4 Stability of general algorithms

17.5 Multistep recurrence algorithms

17.6 Some remarks on general performance of numerical algorithms

17.7 Time discontinuous Galerkin approximation

17.8 Concluding remarks

17.9 Problems

Chapter 18: Coupled systems

18.1 Coupled problems ¨C definition and classification

18.2 Fluid¨Cstructure interaction (Class I problem)

18.3 Soil¨Cpore fluid interaction (Class II problems)

18.4 Partitioned single-phase systems ¨C implicit¨Cexplicit partitions (Class I problems)

18.5 Staggered solution processes

18.6 Concluding remarks

Chapter 19: Computer procedures for finite element analysis

19.1 Introduction

19.2 Pre-processing module: mesh creation

19.3 Solution module

19.4 Post-processor module

19.5 User modules

Appendix A: Matrix algebra
Appendix B: Tensor-indicial notation in elasticity
Appendix C: Solution of linear algebraic equations
Appendix D: Integration formulae for a triangle
Appendix E: Integration formulae for a tetrahedron
Appendix F: Some vector algebra
Appendix G: Integration by parts
Appendix H: Solutions exact at nodes
Appendix I: Matrix diagonalization or lumping

Review quotes

“It is very difficult to write a book which covers the entire finite element field. ..The authors have made a splendid attempt at a very difficult task. The books remain a tremendous bargain...and are an invaluable guide to the entire field of finite elements. If you are serious about working on finite elements you cannot do without this book.” —Mathematics Today, August 2001.

"...the publication of the first edition was an epoch making event...it is written by...the greatest theorist of the subject. If you are serious about finite elements, this is a book that you simply cannot afford to be without."—International Journal of Numerical Methods in Engineering.

"..the pre-eminent reference work on finite element analysis."—Applied Mechanical Review

"...a very good book...presentation is first class...will be of great assistance to all engineers and scientists interested in the method...a very commendable piece of work."—Journal of the British Society for Strain Measurement

Product details

About the authors

OZ

O. C. Zienkiewicz

Professor O.C. Zienkiewicz, CBE, FRS, FREng died on 2 January 2009. Prior to his death he was Professor Emeritus at the Civil and Computational Engineering Centre, University of Wales Swansea and previously was Director of the Institute for Numerical Methods in Engineering at the University of Wales Swansea, UK. He also held the UNESCO Chair of Numerical Methods in Engineering at the Technical University of Catalunya, Barcelona, Spain. He was the head of the Civil Engineering Department at the University of Wales Swansea between 1961 and 1989. During this period he established that department as one of the primary centres of finite element research. In 1968 he became the Founder Editor of the International Journal for Numerical Methods in Engineering which still remains today the major journal in this field. The recipient of 27 honorary degrees and many medals, Professor Zienkiewicz was a member of five academies – an honour he received for his many contributions to the fundamental developments of the finite element method. In 1978, he became a Fellow of the Royal Society and the Royal Academy of Engineering. This was followed by his election as a foreign member to the US National Academy of Engineering (1981), the Polish Academy of Science (1985), the Chinese Academy of Sciences (1998), and the National Academy of Science, Italy (Academia dei Lincei) (1999). He published the first edition of this book in 1967 and it remained the only book on the subject until 1971.
Affiliations and expertise
Swansea University, Swansea, Wales

RT

R. L. Taylor

Professor R.L. Taylor has more than 60 years of experience in the modelling and simulation of structures and solid continua including eighteen years in industry. He is Professor of the Graduate School and the Emeritus T.Y. and Margaret Lin Professor of Engineering at the University of California, Berkeley and also Corporate Fellow at Dassault Systèmes Americas Corp. in Johnston, Rhode Island. In 1991 he was elected to membership in the US National Academy of Engineering in recognition of his educational and research contributions to the field of computational mechanics. Professor Taylor is a Fellow of the US Association for Computational Mechanics – USACM (1996) and a Fellow of the International Association of Computational Mechanics – IACM (1998). He has received numerous awards including the Berkeley Citation, the highest honour awarded by the University of California, Berkeley, the USACM John von Neumann Medal, the IACM Gauss–Newton Congress Medal and a Dr.-Ingenieur ehrenhalber awarded by the Technical University of Hannover, Germany. Professor Taylor has written several computer programs for finite element analysis of structural and non-structural systems, one of which, FEAP, is used world-wide in education and research environments. A personal version, FEAPpv, available on GitHub, is incorporated into this book.
Affiliations and expertise
Emeritus Professor of Engineering, University of California, Berkeley, USA

JZ

J.Z. Zhu

J. Z. Zhu is a Senior Scientist at ProCAST, ESI Group, USA.
Affiliations and expertise
Senior Scientist at ProCast Inc., ESI-Group North America, USA