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Acoustics and Vibrations

Calculation of Surface Acoustic Waves on a Piezoelectric Substrate using Amazon™ Cloud Computing

U. Vogel [1], M. Spindler [1], S. Wege [1], T. Gemming [1]
[1] Leibniz Institute for Solid State and Materials, Dresden, Germany

In this work, we seek to simulate SAWs for a better understanding and to benchmark the currently available ... 扩展阅读

Simulation of Acoustical Transfer Paths for Active Noise Control

L. Fromme [1], J. Waßmuth [1], D. Wehmeier [1],
[1] Bielefeld University of Applied Sciences, Bielefeld, Germany

The knowledge of the acoustical transfer paths in active noise control systems is very important for the ... 扩展阅读

Simulation of Horn Driver Response by Direct Combination of CD Frequency Response and Horn FEA

D. Cinanni [1],
[1] Ciare S.r.l., Italy

Today a horn driver developing is still time and cost consuming. In addition compression driver behavior ... 扩展阅读

Predication of Acoustical Dissipation in Large Irregular Cavities by Helmholtz Solver

F. Mbailassem [1], Q. Leclere [1],
[1] LVA - INSA de Lyon, France

This paper introduces an efficient model to describe energy dissipation in acoustic. When the propagation ... 扩展阅读

Implicit Large Eddy Simulations of 2D Flow and Heat Transfer in Thermoacoustic Resonators

N. Martaj [1,2], S. Savarese [3], S. Kouidri [3], M. M. ALI [4,5]
[1] EPF Ecole d’ingénieurs, Montpellier, France
[2] Institut d'Electronique et des Systèmes, Université de Montpellier, Montpellier, France
[3] Armélio, Les Ulis, Courtabœuf, France
[4] LIMSI-CNRS, Orsay, France
[5] UPMC Univ Paris 06, Paris, France

The reduction of energy consumption in the building sector (nearly 40% of the energy consumption in Europe) ... 扩展阅读

Multiphysics Modeling of Sound Absorbing Fibrous Materials

T. G. Zielinski [1]
[1] Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland

Many of fibrous materials are very good sound absorbers, because the acoustic waves, which propagate in air ... 扩展阅读

Parametric Simulation of PZT Diameter to Hole Ratio for Optimized Membrane Displacement

A. Arevalo [1], D. Castro [1], D. Conchouso [1], I. G. Foulds [2]
[1] Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology (KAUST), Saudi Arabia
[2] The University of British Columbia, School of Engineering, Okanagan Campus, Saudi Arabia

For our simulation we used the Piezoelectric Devices interface. The structure was set with (clamped) fix ... 扩展阅读

COMSOL Multiphysics® Software for Modeling STW Devices

V. Plessky [1], V. Yantchev [2]
[1] GVR Trade SA, Gorgier, Swizterland
[2] Individual Consultant, Sofia, Bulgaria

Electroacoustic resonators employing surface acoustic waves (SAW) are commercially widely used in RF filters, ... 扩展阅读

Loudspeaker Simulations in a Car Cabin

F. Malbos [1], M. Bogdanski [2], M. Strauss [2]
[1] Harman France, Paris, France
[2] Harman Becker Automotive Systems, Straubing, Germany

The goal of this study is to improve the audio simulation accuracy for automotive applications. COMSOL® ... 扩展阅读

Simulation of Active Underwater Cylindrical Acoustic Antenna

R. Lardat [1],
[1] Thales Underwater Systems, Sophia Antipolis, France

The simulation of a large acoustic cylindrical antenna made of numerous identical transducers is very often ... 扩展阅读

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