Recent advances in acoustic boundary element methods
The modern scope of boundary element methods (BEM) for acoustics is reviewed in this
paper. Over the last decades the BEM has gained popularity despite suffering from …
paper. Over the last decades the BEM has gained popularity despite suffering from …
A numerical model of an acoustic metamaterial using the boundary element method including viscous and thermal losses
In recent years, boundary element method (BEM) and finite element method (FEM)
implementations of acoustics in fluids with viscous and thermal losses have been …
implementations of acoustics in fluids with viscous and thermal losses have been …
A three-dimensional acoustic boundary element method formulation with viscous and thermal losses based on shape function derivatives
VC Henríquez, PR Andersen - Journal of theoretical and …, 2018 - World Scientific
Sound waves in fluids are subject to viscous and thermal losses, which are particularly
relevant in the so-called viscous and thermal boundary layers at the boundaries, with …
relevant in the so-called viscous and thermal boundary layers at the boundaries, with …
Revising the Boundary Element Method for Thermoviscous Acoustics: An Iterative Approach via Schur Complement
The Helmholtz equation is a reliable model for acoustics in inviscid fluids. Real fluids,
however, experience viscous and thermal dissipation that impact the sound propagation …
however, experience viscous and thermal dissipation that impact the sound propagation …
A two-dimensional acoustic tangential derivative boundary element method including viscous and thermal losses
In recent years, the boundary element method has shown to be an interesting alternative to
the finite element method for modeling of viscous and thermal acoustic losses. Current …
the finite element method for modeling of viscous and thermal acoustic losses. Current …
Implementation of an acoustic 3D BEM with visco-thermal losses
VC Henríquez, PM Juhl - Proceedings of Internoise 2013: Noise Control …, 2013 - orbit.dtu.dk
There is an increasing need in industry for numerical acoustic models including viscous and
thermal losses of sound in air. Small devices such as couplers, microphones, mobile phones …
thermal losses of sound in air. Small devices such as couplers, microphones, mobile phones …
An equivalent source method for acoustic problems with thermoviscous effects
MH Liang, CJ Zheng, YB Zhang, S Wang… - The Journal of the …, 2024 - pubs.aip.org
This paper presents an equivalent source method (ESM) for analyzing sound propagation in
small-scale acoustic structures with thermoviscous effects. The formulations that describe …
small-scale acoustic structures with thermoviscous effects. The formulations that describe …
[PDF][PDF] Implementation aspects of the Boundary Element Method including viscous and thermal losses
VC Henríquez, PM Juhl - … of the 43rd International Congress and …, 2014 - acoustics.asn.au
The implementation of viscous and thermal losses using the Boundary Element Method
(BEM) is based on the Kirchhoff's dispersion relation and has been tested in previous work …
(BEM) is based on the Kirchhoff's dispersion relation and has been tested in previous work …
Visco‐thermal Effects in Acoustic Metamaterials Based on Local Resonances
J sánchez‐Dehesa… - … and Applications of …, 2019 - Wiley Online Library
This chapter is devoted to study the contribution of viscothermal effects in some specific
acoustic metamaterials. Particularly, in those whose negative effective parameters are a …
acoustic metamaterials. Particularly, in those whose negative effective parameters are a …
Modelling of acoustic viscothermal losses using the Boundary Element Method: From method to optimization
PR Andersen - 2018 - orbit.dtu.dk
A range of acoustic engineering problems require the inclusion of viscous and thermal
dissipation to be modelled accurately. The dissipative effects are especially relevant when …
dissipation to be modelled accurately. The dissipative effects are especially relevant when …