Topology optimization of acoustic–structure interaction problems using a mixed finite element formulation

GH Yoon, JS Jensen, O Sigmund - International journal for …, 2007 - Wiley Online Library
The paper presents a gradient‐based topology optimization formulation that allows to solve
acoustic–structure (vibro‐acoustic) interaction problems without explicit boundary interface …

Developments in structural-acoustic optimization for passive noise control

S Marburg - Archives of computational methods in engineering, 2002 - Springer
Low noise constructions receive more and more attention in highly industrialized countries.
Consequently, decrease of noise radiation challenges a growing community of engineers …

More than six elements per wavelength: The practical use of structural finite element models and their accuracy in comparison with experimental results

P Langer, M Maeder, C Guist, M Krause… - Journal of …, 2017 - World Scientific
Choosing the right number and type of elements in modern commercial finite element tools
is a challenging task. It requires a broad knowledge about the theory behind or much …

Level set based topology optimization of vibrating structures for coupled acoustic–structural dynamics

L Shu, MY Wang, Z Ma - Computers & Structures, 2014 - Elsevier
A level set based structural topology optimization method is proposed for the optimal design
of coupled structural–acoustic system with a focus on interior noise reduction. The objective …

FEA-based methods for optimising structure-borne sound radiation

M Klaerner, M Wuehrl, L Kroll, S Marburg - Mechanical Systems and Signal …, 2017 - Elsevier
Lightweight components are typically stiff and thin-walled and thus tend to have significant
sound radiation. Moreover using fibre reinforced plastics offers a wide range of adjusting the …

Vibro-acoustic design optimization study to improve the sound pressure level inside the passenger cabin

E Yuksel, G Kamci, I Basdogan - … of Vibration and …, 2012 - asmedigitalcollection.asme.org
The interior noise inside the passenger cabin of automobiles can be classified as structure-
borne or airborne. In this study, we investigate the structure-borne noise, which is mainly …

Numerical optimization of the thickness distribution of three-dimensional structures with respect to their structural acoustic properties

J Bös - Structural and Multidisciplinary Optimization, 2006 - Springer
This paper describes a numerical method to optimize the thickness distribution of three-
dimensional structures with respect to various vibrational and structural properties. A …

The effect of door structural stiffness and flexural components to the interior wind noise at elevated vehicle speeds

E Talay, A Altinisik - Applied Acoustics, 2019 - Elsevier
Vehicle interior noise level is the sum of the structure borne and air borne noises created on
the road. Structure borne noises become less important at higher speeds and the airflow …

A unified approach to finite and boundary element discretization in linear time–harmonic acoustics

S Marburg - Computational Acoustics of Noise Propagation in …, 2008 - Springer
This chapter introduces the reader too important physical and mathematical concepts in
acoustics. It presents an approach to finite and boundary element techniques for linear time …

Prediction of noise inside tracked vehicles

ZS Liu, C Lu, YY Wang, HP Lee, YK Koh, KS Lee - Applied acoustics, 2006 - Elsevier
In this paper, numerical simulation has been used to predict the noise inside tracked
vehicles. To determine the interaction forces between running track system and the chassis …