Solution of viscoelastic scattering problems in linear acoustics using hp boundary/finite element method

Author

Chang, Yao-Chang ; Demkowicz, Leszek

Author_Institution

Nat. Centre for High-Performance Comput., Hsinchu, Taiwan

fYear

1997

fDate

28 Apr-2 May 1997

Firstpage

611

Lastpage

616

Abstract

The interaction of acoustic waves with submerged structures remains one of the most difficult and challenging problems in underwater acoustics. Many techniques such as coupled Boundary Element (BE)/Finite Element (FE) or coupled Infinite Element (IE)/Finite Element approximations have evolved. In this paper, we focus on the steady-state formulation only, and study a general coupled hp-adaptive BE/FE method. The work is devoted to a study on viscoelastic scattering problems in linear acoustic medium by means of hp boundary and finite element approximations. A particular emphasis is placed on an a-posteriori error estimation for the viscoelastic scattering problems

Keywords

acoustic waves; boundary-elements methods; finite element analysis; underwater sound; viscoelasticity; a-posteriori error estimation; acoustic waves; finite element method; hp boundary element method; linear acoustic medium; linear acoustics; steady-state formulation; submerged structures; underwater acoustics; viscoelastic scattering problems; Acoustic scattering; Acoustic waves; Elasticity; Error analysis; Finite element methods; Frequency; Integral equations; Mathematics; Underwater acoustics; Viscosity;

fLanguage

English

Publisher

ieee

Conference_Titel

High Performance Computing on the Information Superhighway, 1997. HPC Asia '97

Conference_Location

Seoul

Print_ISBN

0-8186-7901-8

Type

conf

DOI

10.1109/HPC.1997.592218

Filename

592218