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- W2024402757 abstract "A high-order local transmitting boundary is developed to model the propagation of elastic waves in unbounded domains. This transmitting boundary is applicable to scalar and vector waves, to unbounded domains of arbitrary geometry and to anisotropic materials. The formulation is based on a continued-fraction solution of the dynamic-stiffness matrix of an unbounded domain. The coefficient matrices of the continued fraction are determined recursively from the scaled boundary finite element equation in dynamic stiffness. The solution converges rapidly over the whole frequency range as the order of the continued fraction increases. Using the continued-fraction solution and introducing auxiliary variables, a high-order local transmitting boundary is formulated as an equation of motion with symmetric and frequency-independent coefficient matrices. It can be coupled seamlessly with finite elements. Standard procedures in structural dynamics are directly applicable for evaluating the response in the frequency and time domains. Analytical and numerical examples demonstrate the high rate of convergence and efficiency of this high-order local transmitting boundary. Copyright © 2007 John Wiley & Sons, Ltd." @default.
- W2024402757 created "2016-06-24" @default.
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- W2024402757 date "2008-01-01" @default.
- W2024402757 modified "2023-10-16" @default.
- W2024402757 title "A continued-fraction-based high-order transmitting boundary for wave propagation in unbounded domains of arbitrary geometry" @default.
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- W2024402757 doi "https://doi.org/10.1002/nme.2147" @default.
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