A review of finite-element methods for time-harmonic acoustics

LL Thompson - The Journal of the Acoustical Society of America, 2006 - pubs.aip.org
State-of-the-art finite-element methods for time-harmonic acoustics governed by the
Helmholtz equation are reviewed. Four major current challenges in the field are specifically …

Review and assessment of interpolatory model order reduction methods for frequency response structural dynamics and acoustics problems

U Hetmaniuk, R Tezaur, C Farhat - International Journal for …, 2012 - Wiley Online Library
Frequency sweeps in structural dynamics, acoustics, and vibro‐acoustics require evaluating
frequency response functions for a large number of frequencies. The brute force approach …

An automatic perfectly matched layer for acoustic finite element simulations in convex domains of general shape

H Bériot, A Modave - International Journal for Numerical …, 2021 - Wiley Online Library
This article addresses the efficient finite element solution of exterior acoustic problems with
truncated computational domains surrounded by perfectly matched layers (PMLs). The PML …

Corner treatments for high-order local absorbing boundary conditions in high-frequency acoustic scattering

A Modave, C Geuzaine, X Antoine - Journal of Computational Physics, 2020 - Elsevier
This paper deals with the design and validation of accurate local absorbing boundary
conditions set on convex polygonal and polyhedral computational domains for the finite …

A three-dimensional finite element approach for predicting the transmission loss in mufflers and silencers with no mean flow

OZ Mehdizadeh, M Paraschivoiu - Applied acoustics, 2005 - Elsevier
A three-dimensional finite element method has been implemented to predict the
transmission loss of a packed muffler and a parallel baffle silencer for a given frequency …

[HTML][HTML] Isogeometric boundary element method for acoustic scattering by a submarine

JV Venås, T Kvamsdal - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
Isogeometric analysis with the boundary element method (IGABEM) has recently gained
interest. In this paper, the approximability of IGABEM on 3D acoustic scattering problems will …

FETI-DPH: a dual-primal domain decomposition method for acoustic scattering

C Farhat, P Avery, R Tezaur, J Li - Journal of Computational …, 2005 - World Scientific
A dual-primal variant of the FETI-H domain decomposition method is designed for the fast,
parallel, iterative solution of large-scale systems of complex equations arising from the …

An improved surface radiation condition for high-frequency acoustic scattering problems

X Antoine, M Darbas, YY Lu - Computer Methods in Applied Mechanics and …, 2006 - Elsevier
A new artificial boundary condition for two-dimensional acoustic scattering problems is
constructed in this paper. It is designed from the principal symbol of the Dirichlet-to …

Three‐dimensional finite‐element‐based photoacoustic tomography: Reconstruction algorithm and simulations

Z Yuan, H Jiang - Medical physics, 2007 - Wiley Online Library
In this paper, a finite element reconstruction algorithm for three‐dimensional photoacoustic
tomography is described. The algorithm is based on rigorous iterative solution to the …

Fast frequency sweep computations using a multi‐point Padé‐based reconstruction method and an efficient iterative solver

P Avery, C Farhat, G Reese - International Journal for …, 2007 - Wiley Online Library
Problems of the form Z (σ) u (σ)= f (σ), where Z is a given matrix, f is a given vector, and σ is a
circular frequency or circular frequency‐related parameter arise in many applications …