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Continuum Boundary Value Problems and the Need for Numerical Discretization. Finite Difference Methods | |
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Introduction | |
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Some Examples of Continuum Problems | |
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Finite Differences in One Dimension | |
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Derivative Boundary Conditions | |
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Nonlinear Problems | |
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Finite Differences in More Than One Dimension | |
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Problems Involving Irregularly Shaped Regions | |
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Nonlinear Problems in More Than One Dimension | |
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Approximation and Convergence | |
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Concluding Remarks | |
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References | |
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Suggested Further Reading | |
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Weighted Residual Methods: Use of Continuous Trial Functions | |
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Introduction-Approximation by Trial Functions | |
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Weighted Residual Approximations | |
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Approximation to the Solutions of Differential Equations and the Use of Trial Function-Weighted Residual Forms. Boundary Conditions Satisfied by Choice of Trial Functions | |
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Simultaneous Approximation to the Solutions of Differential Equations and to the Boundary Conditions | |
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Natural Boundary Conditions | |
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Boundary Solution Methods | |
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Systems of Differential Equations | |
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Nonlinear Problems | |
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Concluding Remarks | |
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References | |
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Suggested Further Reading | |
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Piecewise Defined Trial Functions and the Finite Element Method | |
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Introduction-The Finite Element Concept | |
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Some Typical Locally Defined Narrow-Base Shape Functions | |
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Approximation to Solutions of Differential Equations and Continuity Requirements | |
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Weak Formulation and the Galerkin Method | |
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Some One-Dimensional Problems | |
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Standard Discrete System. A Physical Analogue of the Equation Assembly Process | |
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Generalization of the Finite Element Concepts for Two- and Three-Dimensional Problems | |
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The Finite Element Method for Two-Dimensional Heat Conduction Problems | |
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Two-Dimensional Elastic Stress Analysis Using Triangular Elements | |
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Are Finite Differences a Special Case of the Finite Element Method? | |
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Concluding Remarks | |
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References | |
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Suggested Further Reading | |
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Higher Order Finite Element Approximation | |
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Introduction | |
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Degree of Polynomial in Trial Functions and Convergence Rates | |
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The Patch Test | |
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Standard Higher Order Shape Functions for One-Dimensional Elements with C[superscript 0] Continuity | |
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Hierarchical Forms of Higher Order One-Dimensional Elements with C[superscript 0] Continuity | |
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Two-Dimensional Rectangular Finite Element Shape Functions of Higher Order | |
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Two-Dimensional Shape Functions for Triangles | |
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Three-Dimensional Shape Functions | |
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Concluding Remarks | |
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References | |
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Suggested Further Reading | |
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Mapping and Numerical Integration | |
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The Concept of Mapping | |
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Numerical Integration | |
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More on Mapping | |
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Mesh Generation and Concluding Remarks | |
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References | |
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Suggested Further Reading | |
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Variational Methods | |
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Introduction | |
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Variational Principles | |
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The Establishment of Natural Variational Principles | |
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Approximate Solution of Differential Equations by the Rayleigh-Ritz Method | |
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The Use of Lagrange Multipliers | |
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General Variational Principles | |
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Penalty Functions | |
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Least-Squares Method | |
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Concluding Remarks | |
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References | |
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Suggested Further Reading | |
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Partial Discretization and Time-Dependent Problems | |
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Introduction | |
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Partial Discretization Applied to Boundary Value Problems | |
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Time-Dependent Problems Via Partial Discretization | |
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Analytical Solution Procedures | |
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Finite Element Solution Procedures in the Time Domain | |
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References | |
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Suggested Further Reading | |
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Generalized Finite Elements, Error Estimates, and Concluding Remarks | |
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The Generalized Finite Element Method | |
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The Discretization Error in a Numerical Solution | |
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A Measure of Discretization Error | |
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Estimate of Discretization Error | |
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The State of the Art | |
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References | |
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Suggested Further Reading | |
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Index | |