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Acoustics and Vibrations

一款经典开口式音箱的仿真分析

陆晓 [1], 温周斌 [2], 徐楚林 [2], 岳磊 [1], 李陆化 [1],
[1] 浙江中科电声研发中心
[2] 浙江中科电声研发中心;中国科学院声学研究所

作为智能家居的控制中心，智能音箱融合了人工智能、语音识别、大数据和云计算等诸多先进技术。但是，音箱还是其最基本的属性，发出悦耳的声音还是智能音箱最基本也是最重要的技术指标之一。智能音箱火爆全球 ... 扩展阅读

COMSOL在井下动液面声波反射特性研究中的应用

仵杰 [1], 王轲 [1],
[1] 西安石油大学光电油气测井与检测教育部重点实验室

在油气井开采过程中，地层的供液能力制约产量和综合效率的最大化。动液面不仅是反映地层供液能力的一个重要指标，而且是油田确定合理沉没度、制定合理工作制度的重要依据 ... 扩展阅读

通过平面外的转动模控制弹性超材料板的弯曲刚度

Yun Lai [1], Jinjie Shi [2],
[1] National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, Jiangsu, People’s Republic of China
[2] College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, Jiangsu, People’s Republic of China

In this work, we investigate the resonant properties of finite-sized membrane-mass-type elastic metamaterial ... 扩展阅读

Acoustic Metamaterials for Low Frequency Industrial Applications

K. Bugaj [1], L. Chalmers [1], D.P. Elford [1], R.D.Wilson [1],
Sonobex Limited, The Mansion, Building Research Establishment, Watford, UK

This poster focuses on the development of practical acoustic metamaterials for the reduction of low frequency ... 扩展阅读

Advanced Loudspeaker Calculator – an Example of COMSOL® Apps Utilization

F. Malbos [1], M.K. Bogdanski [2], M. Strauss [2],
[1] Harman France, VPDT, Paris, France
[2] Harman International, VPDT, Straubing,Germany

Developing a new loudspeaker design requires not only knowledge and experience in the field, but also an ... 扩展阅读

Ultrasonic Power Delivery Through a Steel Wall - Water Interface

P. Moilanen [1], A. Salmi [1], E. Haeggström [1],
[1] Electronics Research Laboratory, Division of Materials Physics, Department of Physics, University of Helsinki, Helsinki, Finland

This simulation study analyzed ultrasonic power delivery by low-frequency (20-50 kHz) high-power ultrasonic ... 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

Structural Mechanics, Acoustics Module - Numerical Study of Loudspeaker Diaphragm Geometry

A. Mageswaran [1],
[1] DTU-Technical University of Denmark, Denmark

The study of loudspeaker diaphragm geometry is aimed to focus on how does the distribution of mass in the ... 扩展阅读

Photoacoustic Modeling Using Amplitude Mode Expansion Method in a Multi-Scale T-cell Resonator

S. El-Busaidy [1], B. Baumann [1], M. Wolff [1], L. Duggen [2],
[1] Hamburg University of Applied Sciences, Germany
[2] University of Southern Denmark, Denmark

The photoacoustic (PA) effect consisting of the generation of an acoustic signal based on the absorption of ... 扩展阅读

Simulation-Led Design to Optimize Innovative Acoustic Phantom and Ice Catheter Calibration Method

E. Adawi [1],
[1] Biosense Webster, Inc., Kibbutz Shefayim, Israel

Intracardiac Echocardiography (ICE) ultrasound imaging of cardiac cavities is a known diagnostic and ... 扩展阅读

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