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- W3212070925 abstract "In this work we propose high-order transparent boundary conditions for the weighted wave equation on a fractal tree, with an application to the modeling of sound propagation in a human lung. This article follows the recent work [29], dedicated to the mathematical analysis of the corresponding problem and the construction of low-order absorbing boundary conditions. The method proposed in this article consists in constructing the exact (trans-parent) boundary conditions for the semi-discretized problem, in the spirit of the convolution quadrature method developed by Ch. Lubich. We analyze the stability and convergence of the method, and propose an efficient algorithm for its implementation. The exposition is concluded with numerical experiments." @default.
- W3212070925 created "2021-11-22" @default.
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- W3212070925 date "2019-08-10" @default.
- W3212070925 modified "2023-09-27" @default.
- W3212070925 title "Transparent boundary conditions for wave propagation in fractal trees: convolution quadrature approach (extended report)" @default.
- W3212070925 hasPublicationYear "2019" @default.
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