Equivalent Boundary Conditions for Heterogeneous Acoustic Media

Autores

  • Manuela Longoni de Castro Universidade Federal do Rio Grande do Sul
  • Julien Diaz INRIA - Bourdeaux - Sud-Ouest
  • Victor Perón Université de Pau et des Pays de l`Adour

DOI:

https://doi.org/10.5540/tema.2014.015.03.0301

Resumo

In this work, we have worked on possibilities to model artificial boundaries needed in the simulation of wave propagation in acoustic heterogeneous media.  Our motivation is to restrict the computational domain in the simulation of seismic waves that are propagated from the earth and transmitted to the stratified heterogeneous media composed by ocean and atmosphere. Two possibilities were studied and compared in computational tests: the use of absorbing boundary conditions on an artificial boundary in the atmosphere layer and the elimination of the atmosphere layer using an equivalent boundary condition that mimics the propagation of waves through the atmosphere.

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Publicado

2014-01-27

Como Citar

de Castro, M. L., Diaz, J., & Perón, V. (2014). Equivalent Boundary Conditions for Heterogeneous Acoustic Media. Trends in Computational and Applied Mathematics, 15(3), 301–310. https://doi.org/10.5540/tema.2014.015.03.0301

Edição

v. 15 n. 3 (2014)

Seção

Artigo Original

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