| Preface to the Dover Edition | p. 5 |
| Preface | p. 7 |
| Introduction | p. 9 |
| Background | p. 9 |
| Difference methods - Finite element methods | p. 10 |
| Scope of the book | p. 12 |
| Introduction to FEM for elliptic problems | p. 14 |
| Variational formulation of a one-dimensional model problem | p. 14 |
| FEM for the model problem with piecewise linear functions | p. 18 |
| An error estimate for FEM for the model problem | p. 23 |
| FEM for the Poisson equation | p. 26 |
| The Hilbert spaces L2(¿), H1 (¿) and H10(¿) | p. 33 |
| A geometric interpretation of FEM | p. 38 |
| A Neumann problem. Natural and essential boundary conditions | p. 40 |
| Remarks on programming | p. 43 |
| Remarks on finite element software | p. 48 |
| Abstract formulation of the finite element method for elliptic problems | p. 50 |
| Introduction. The continuous problem | p. 50 |
| Discretization. An error estimate | p. 52 |
| The energy norm | p. 55 |
| Some examples | p. 55 |
| Some finite element spaces | p. 67 |
| Introduction. Regularity requirements | p. 67 |
| Some examples of finite elements | p. 68 |
| Summary | p. 79 |
| Approximation theory for FEM. Error estimates for elliptic problems | p. 84 |
| Introduction | p. 84 |
| Interpolation with piecewise linear functions in two dimensions | p. 84 |
| Interpolation with polynomials of higher degree | p. 90 |
| Error estimates for FEM for elliptic problems | p. 91 |
| On the regularity of the exact solution | p. 92 |
| Adaptive methods | p. 94 |
| An error estimate in the L2(¿)-nom | p. 97 |
| Some applications to elliptic problems | p. 101 |
| The elasticity problem | p. 101 |
| Stokes problem | p. 106 |
| A plate problem | p. 108 |
| Direct methods for solving linear systems of equations | p. 112 |
| Introduction | p. 112 |
| Gaussian elimination. Cholesky's method | p. 112 |
| Operation counts. Band matrices | p. 114 |
| Fill-in | p. 116 |
| The frontal method | p. 117 |
| Nested dissection | p. 120 |
| Minimization algorithms. Iterative methods | p. 123 |
| Introduction | p. 123 |
| The gradient method | p. 128 |
| The conjugate gradient method | p. 131 |
| Preconditioning | p. 136 |
| Multigrid methods | p. 137 |
| Work estimates for direct and iterative methods | p. 139 |
| The condition number of the stiffness matrix | p. 141 |
| FEM for parabolic problems | p. 146 |
| Introduction | p. 146 |
| A one-dimensional model problem | p. 147 |
| Semi-discretization in space | p. 149 |
| Discretization in space and time | p. 152 |
| Background | p. 152 |
| The backward Euler and Crank-Nicolson methods | p. 153 |
| The discontinuous Galerkin method | p. 157 |
| Error estimates for fully discrete approximations and automatic time and space step control | p. 158 |
| Hyperbolic problems | p. 167 |
| Introduction | p. 167 |
| A convection-diffusion problem | p. 168 |
| General remarks on numerical methods for hyperbolic equations | p. 171 |
| Outline and preliminaries | p. 173 |
| Standard Galerkin | p. 176 |
| Classical artificial diffusion | p. 181 |
| The streamline diffusion method | p. 181 |
| The streamline diffusion method with ¿=0 | p. 182 |
| The streamline diffusion method with ¿>0 | p. 185 |
| The discontinuous Galerkin method | p. 189 |
| The streamline diffusion method for time-dependent convection-diffusion problems | p. 199 |
| Friedrichs' systems | p. 205 |
| The continuous problem | p. 205 |
| The standard Galerkin method | p. 207 |
| The streamline diffusion method | p. 207 |
| The discontinuous Galerkin method | p. 207 |
| Second order hyperbolic problems | p. 210 |
| Boundary element methods | p. 214 |
| Introduction | p. 214 |
| Some integral equations | p. 216 |
| An integral equation for an exterior Dirichlet problem using a single layer potential | p. 219 |
| An exterior Dirichlet problem with double layer potential | p. 220 |
| An exterior Neumann problem with single layer potential | p. 222 |
| Alternative integral equation formulations | p. 223 |
| Finite element methods | p. 224 |
| FEM for a Fredholm equation of the first kind | p. 224 |
| FEM for a Fredholm equation of the second kind | p. 227 |
| Mixed finite element methods | p. 232 |
| Introduction | p. 232 |
| Some examples | p. 234 |
| Curved elements and numerical integration | p. 239 |
| Curved elements | p. 239 |
| Numerical integration (quadrature) | p. 245 |
| Some non-linear problems | p. 248 |
| Introduction | p. 248 |
| Convex minimization problems | p. 248 |
| The continuous problem | p. 248 |
| Discretizations | p. 254 |
| Numerical methods for convex minimization problems | p. 255 |
| A non-linear parabolic problem | p. 257 |
| The incompressible Euler equations | p. 258 |
| The continuous problem | p. 258 |
| The streamline diffusion method in (¿, ¿)-formulation | p. 259 |
| The discontinuous Galerkin method in (¿, ¿)-formulation | p. 260 |
| The streamline diffusion method in (u, p)-formulation | p. 261 |
| The incompressible Navier-Stokes equations | p. 262 |
| Compressible flow: Burgers' equation | p. 263 |
| References | p. 270 |
| Index | p. 276 |
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