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Acoustics and Vibrations

Modelling the Structural-Dynamics of Electrical Overhead Line Power Conductors

M. Al Aqil[1], K. Kopsidas[1]
[1]The University of Manchester, United Kingdom

As a general definition, the presence of any repeated motion after a regular interval of time is known as ... 扩展阅读

A Complete Loudspeaker Design Suite Based on COMSOL® Apps

L. Bianchi[1]
[1]Elettromedia Srl, Italy

Multiphysical simulation is a daily-used tool for loudspeaker design and engineering, however it is still a ... 扩展阅读

Acoustic Topology Optimization – Implementation and Examples

R. Christensen[1]
[1]GN Hearing A/S, Denmark

Introduction In recent years there has been a focus on using topology optimization in the field of ... 扩展阅读

Estimating Parasitic Capacitances in MEMS Microphones using Finite Element Modeling

S. Shubham[1], M. Nawaz[1]
[1]KNOWLES ELECTRONICS, USA

MEMS microphones consist of a conductive backplate and a conductive flexible membrane. The backplate and the ... 扩展阅读

Optimal Design of Bass Reflex Loudspeaker Ports

A. Bezzola[1]
[1]Samsung Research America, USA

Determining an optimal port profile for a vented loudspeaker is still an unsolved problem. Studies that ... 扩展阅读

Characterization of BAW Modes Harmonically Generated (f-2f-3f) in LiNO3 SAW Devices Using COMSOL Multiphysics® Simulation Software

X. Pang[1], Z. ZHAO[1], Y. Yong[1]
[1]Rutgers University Department of Civil Engineering, USA

SAW devices, in which acoustic wave travels along the surface of a material, are used as filters, oscillators ... 扩展阅读

Numerical Studies on Double Expansion Chamber Mufflers with Acoustic Black Hole Modification

C. Zhao[1], M. Prasad[1]
[1]Stevens Institute of Technology, USA

It is well known that high noise levels can result in psychological and physiological discomforts. Mufflers ... 扩展阅读

An Investigation of Violin Sound Quality through Resonant Modes

A. Stylianides[1], I. Milanovic[1], R. Celmer[1]
[1]University of Hartford, USA

This paper describes a simulation study performed with the goal of quantifying the correlation between violin ... 扩展阅读

Enhancing and Redirecting Sound Wave Propagation Utilizing Metamaterials

D. Logan[1], A. Ferguson[2], A. Paquia[2], C. Saechao[2]
[1]Jabil, USA
[2]San Jose State University, USA

A technology demonstrator called the “acoustic hyperlens”, constructed using metamaterials, can transform ... 扩展阅读

Thermo-Acoustic Simulation of a Piezoelectric Transducer for Interstitial Thermal Ablation with MRTI Based Validation

K. Gandomi[1], P. Carvalho[1], Z. Zhao[1], C. Nycz[1], E. Burdette[2], G. Fischer[1]
[1]Worcester Polytechnic Institute, USA
[2]Acoustic Med Systems, USA

The five year survival rate for malignant brain and central nervous system cancer was estimated at 35% ... 扩展阅读

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