On L2-Stability Analysis of Time-Domain Acoustic Scattering Problems with Exact Nonreflecting Boundary Conditions

2014 ◽  
Vol 47 (1) ◽  
pp. 65-84 ◽  
Author(s):  
Bo Wang and Li-Lian Wang
Keyword(s):  
Stability Analysis ◽  
Boundary Conditions ◽  
Time Domain ◽  
Acoustic Scattering ◽  
Scattering Problems ◽  
Nonreflecting Boundary Conditions ◽  
Acoustic Scattering Problems

scholarly journals A time domain sampling method for inverse acoustic scattering problems

2016 ◽  
Vol 314 ◽  
pp. 647-660 ◽  
Author(s):  
Yukun Guo ◽  
Dietmar Hömberg ◽  
Guanghui Hu ◽  
Jingzhi Li ◽  
Hongyu Liu
Keyword(s):  
Time Domain ◽  
Sampling Method ◽  
Acoustic Scattering ◽  
Scattering Problems ◽  
Acoustic Scattering Problems

FINITE ELEMENT SOLUTION OF TWO-DIMENSIONAL ACOUSTIC SCATTERING PROBLEMS USING ARBITRARILY SHAPED CONVEX ARTIFICIAL BOUNDARIES

2000 ◽  
Vol 08 (01) ◽  
pp. 81-99 ◽  
Author(s):  
RABIA DJELLOULI ◽  
CHARBEL FARHAT ◽  
ANTONINI MACEDO ◽  
RADEK TEZAUR
Keyword(s):  
Finite Element ◽  
Finite Element Methods ◽  
Computational Efficiency ◽  
Acoustic Scattering ◽  
Two Dimensional ◽  
Element Solution ◽  
Scattering Problems ◽  
Nonreflecting Boundary Conditions ◽  
Artificial Boundaries ◽  
Acoustic Scattering Problems

For elongated scatterers such as submarines, we show that the generalization of the Bayliss–Turkel nonreflecting boundary conditions to arbitrarily shaped convex artificial boundaries improves significantly the computational efficiency of finite element methods for the solution of acoustic scattering problems.

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