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**Self-adjusting grid methods for one-dimensional hyperbolic conservation laws.**
*(English)*
Zbl 0565.65049

It is shown how to automatically adjust the grid to follow the dynamics of the numerical solution of hyperbolic conservation laws. The grid motion is determind by averaging the local characteristic velocities of the equations with respect to the amplitudes of the signals. The resulting algorithm is a simple extension of many currently popular Godunov-type methods. Computer codes using one of these methods can be easily modified to add the moving mesh as an option. Numerical examples are given that illustrate the improved accuracy of Godunov’s and Roe’s methods on a self-adjusting mesh.

### MSC:

65M06 | Finite difference methods for initial value and initial-boundary value problems involving PDEs |

65M50 | Mesh generation, refinement, and adaptive methods for the numerical solution of initial value and initial-boundary value problems involving PDEs |

35L65 | Hyperbolic conservation laws |

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\textit{A. Harten} and \textit{J. M. Hyman}, J. Comput. Phys. 50, 235--269 (1983; Zbl 0565.65049)

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### References:

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[6] | Harten, A.; Hyman, J.M., Second-order self-adaptive grid methods for one-dimensional hyperbolic conservation laws, (1982), Los Alamos National Laboratory Los Alamos, N. Mex, in preparation |

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This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.