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- W2113972433 abstract "A time stable discretization is derived for the second-order wave equation with discontinuous coefficients. The discontinuity corresponds to inhomogeneity in the underlying medium and is treated by splitting the domain. Each (homogeneous) sub domain is discretized using narrow-diagonal summation by parts operators and, then, patched to its neighbors by using a penalty method, leading to fully explicit time integration. This discretization yields a time stable and efficient scheme. The analysis is verified by numerical simulations in one-dimension using high-order finite difference discretizations, and in three-dimensions using an unstructured finite volume discretization." @default.
- W2113972433 created "2016-06-24" @default.
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- W2113972433 date "2008-10-01" @default.
- W2113972433 modified "2023-09-25" @default.
- W2113972433 title "Stable and accurate wave-propagation in discontinuous media" @default.
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- W2113972433 doi "https://doi.org/10.1016/j.jcp.2008.06.023" @default.
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