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The Development of an Analytical Model for the Acoustics of a Porous Melamine Foam Material

B.P. Semeniuk¹, E. Lundberg¹, P. Göransson¹
¹KTH Royal Institute of Technology, Sweden

COMSOL Multiphysics® has proven to be an invaluable “virtual laboratory” tool in assisting our development of ... 扩展阅读

Multiscale and Multiphysics Modeling of an Adaptive Material for Sound Absorption

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

A concept of an adaptive sound absorbing material is proposed and investigated numerically using the COMSOL ... 扩展阅读

Reducing Loudspeaker Systems Panel Vibrations

D. Cinanni [1],
[1] ASK Industries Spa, subject to direction and coordination of JVCKENWOOD Corporation, Italy

One of the main design questions in loudspeaker enclosures concern vibrations reduction. An ideal cabinet ... 扩展阅读

The Acoustic Behavior of a Loudspeaker Mounted on Different Types of BIW (Body-in-white) Frames

Niranjan Ambati [1], F. Malbos [2], Michal Bogdanski [3], Michael Strauss [3],
[1] Harman International Private Limited, Bangalore, Karnataka, India
[2] Harman France SNC, France
[3] Harman Becker Automotive Systems, Germany

For automotive applications, simulations are used to optimize the position and orientation of a subwoofer ... 扩展阅读

Influence of Micro Gaps on the Magnetic Characteristics of FI Relay

L. Strehar [1], D. Janc [1], A. Smrkolj [1], A. Pušnik [1], N. Štrovs [1],
[1] ETI d.o.o., Izlake, Slovenia

Various types of FI-Relays are built in electrical protective residual current devices (RCD). They are all ... 扩展阅读

Experimental Setup to Investigate the Liquid Water Content in Snow

A. Coulin [1],
[1] SLF Davos, ETH Zurich, Switzerland

Snow can exist in a wide range of temperatures. Its behavior changes especially around its melting point. A ... 扩展阅读

Model of an Interdigitated Microsensor to Detect and Quantify Cells Flowing in a Test Chamber

E. Bianchi[1], F. Boschetti[1], G. Dubini[1], and C. Guiducci[2]
[1]Politecnico di Milano, LABS, Laboratory of Biological Structure Mechanics, Structural Engineering Department, MI, Italy
[2]CLSE - Swiss Up Chair -Laboratory of Life Science Electronics, EPFL, Losanna, Swissland

Microfabricated planar interdigitated electrodes can detect and analyze cells or particles giving an ... 扩展阅读

Development of improved ultrasonic transducers for medical surgery

D.R. Andrews¹
¹Cambridge Ultrasonics Ltd

Finite element modelling of surgical transducers has been performed and is described. Ultrasonic ... 扩展阅读

Comparison of Power Transmission Line Models with Finite Elements

C. K. Arruda[1], A. A. Silveira[1], F. C. Dart[1]
[1]CEPEL, Rio de Janeiro, RJ, Brazil

The growing demand for efficient transmission (1), including refurbishing of existing lines, requires ... 扩展阅读

Structured Ultrasonic Metasurfaces

R. C. Thiagarajan
ATOA Scientific Technologies Private Limited
Bangalore, India

Ultrasonic acoustic waves usually encounter interfaces with significant impedance mismatch in practical ... 扩展阅读

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