Exact Discrete Solutions of Boundary Control Problems for the 1D Heat Equation
Method-of-lines discretizations are demanding test problems for stiff integration methods. However, for PDE problems with known analytic solution, the presence of space discretization errors or the need to use codes to compute reference solutions may limit the validity of numerical test results. To...
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| Veröffentlicht in: | Journal of optimization theory and applications 2023-03, Vol.196 (3), p.1106-1118 |
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| container_title | Journal of optimization theory and applications |
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| creator | Lang, Jens Schmitt, Bernhard A. |
| description | Method-of-lines discretizations are demanding test problems for stiff integration methods. However, for PDE problems with known analytic solution, the presence of space discretization errors or the need to use codes to compute reference solutions may limit the validity of numerical test results. To overcome these drawbacks, we present in this short note a simple test problem with boundary control, a situation where one-step methods may suffer from order reduction. We derive exact formulas for the solution of an optimal boundary control problem governed by a one-dimensional discrete heat equation and an objective function that measures the distance of the final state from the target and the control costs. This analytical setting is used to compare the numerically observed convergence orders for selected implicit Runge–Kutta and Peer two-step methods of classical order four, which are suitable for optimal control problems. |
| doi_str_mv | 10.1007/s10957-022-02154-4 |
| format | Article |
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This analytical setting is used to compare the numerically observed convergence orders for selected implicit Runge–Kutta and Peer two-step methods of classical order four, which are suitable for optimal control problems.</description><subject>Applications of Mathematics</subject><subject>Boundary conditions</subject><subject>Boundary control</subject><subject>Calculus of Variations and Optimal Control; Optimization</subject><subject>Cost analysis</subject><subject>Eigenvalues</subject><subject>Eigenvectors</subject><subject>Engineering</subject><subject>Exact solutions</subject><subject>Mathematics</subject><subject>Mathematics and Statistics</subject><subject>Method of lines</subject><subject>Operations Research/Decision Theory</subject><subject>Optimal control</subject><subject>Optimization</subject><subject>Partial differential equations</subject><subject>Runge-Kutta method</subject><subject>Theory of 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| subjects | Applications of Mathematics Boundary conditions Boundary control Calculus of Variations and Optimal Control Optimization Cost analysis Eigenvalues Eigenvectors Engineering Exact solutions Mathematics Mathematics and Statistics Method of lines Operations Research/Decision Theory Optimal control Optimization Partial differential equations Runge-Kutta method Theory of Computation Thermodynamics |
| title | Exact Discrete Solutions of Boundary Control Problems for the 1D Heat Equation |
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