Person:
Tapiador Fernández, Bárbara

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First Name
Bárbara
Last Name
Tapiador Fernández
URI
https://hdl.handle.net/20.500.14352/86170
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Matemáticas
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Area
Matemática Aplicada
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    Nonreflecting boundary conditions for discrete waves
    (Journal of Computational Physics, 2010) Tapiador Fernández, Bárbara; Carpio Rodríguez, Ana María
    We introduce a new class of nonreflecting boundary conditions for lattice models, which minimizes reflections at artificial boundaries. Exact integrodifferential boundary conditions for finite chains and half-spaces are obtained by means of Green's functions for initial value problems. Truncating the resulting integrals in time, we obtain absorbing boundary conditions. Numerical tests illustrate the ability of these conditions to suppress reflections.