A new two-way artificial boundary condition for wave propagation

We propose a new formulation of a two-way artificial boundary condition for the wave equation in mixed form. We justify appropriately the idea behind the formulation of the two-way artificial boundary condition. To exhibit the capabilities of the two-way artificial boundary condition we perform a se...

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Autores:
Tipo de recurso:
Fecha de publicación:
2017
Institución:
Universidad Tecnológica de Bolívar
Repositorio:
Repositorio Institucional UTB
Idioma:
eng
OAI Identifier:
oai:repositorio.utb.edu.co:20.500.12585/8969
Acceso en línea:
https://hdl.handle.net/20.500.12585/8969
Palabra clave:
Aeroacoustics
Wave propagation
Analytical tests
Artificial boundary condition
Computationally efficient
Finite element codes
Non-linear solver
Two ways
Boundary conditions
Rights
restrictedAccess
License
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description
Summary:We propose a new formulation of a two-way artificial boundary condition for the wave equation in mixed form. We justify appropriately the idea behind the formulation of the two-way artificial boundary condition. To exhibit the capabilities of the two-way artificial boundary condition we perform a set of analytical tests. All tests performed are passed satisfactorily which reassures the applicability of the formulation as a two-way artificial boundary condition. The two-way artificial boundary condition does not require non-linear solvers or iterations on the boundary which makes it computationally efficient. Additionally, it can be easily implemented into existing finite element codes. © 2017, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.