## Accurate radiation boundary conditions for the two-dimensional wave equation on unbounded domains

- L. L. Thompson, R. Huan, D. He
- Computer Methods in Applied Mechanics and…
- 2001

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@inproceedings{ThompsonImece2L, title={Imece 2003-42542 Local Space-time Adaptive Discontinuous Galerkin Finite Element Methods for Time-dependent Waves}, author={Lonny L. Thompson and Dantong He} }

Local space-time adaptive methods are developed including high-order accurate nonreflecting boundary conditions (NRBC) for time-dependent waves. The time-discontinuous Galerkin (TDG) variational method is used to divide the time-interval into space-time slabs, the solution advanced from one slab to the next. Within each slab, a continuous space-time mesh is used which enables local sub-time steps. By maintaining orthogonality of the space-time mesh and pre-integrating analytically through the… CONTINUE READING

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