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各个行业的工程师和科研人员都在使用多物理场仿真来研发创新的产品设计和流程。他们在 COMSOL 用户年会上展示了丰富的技术论文和演示文稿,您可以从他们的研究成果中寻找灵感。

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查看 COMSOL 用户年会 2020 论文

Acoustics and Vibrationsx

Electro-acoustic Coupling in Nematic Liquid Crystals

G. Rosi[1], L. Teresi[1], A. DiCarlo[1], and F. dell'Isola[2]
[1]LaMS - Università degli Studi Roma Tre, Roma, Italy
[2]Università degli Studi di Roma "La Sapienza", Roma, Italy

Liquid crystals - as all liquids - are generally modelled as incompressible media. In fact, mass-density ... 扩展阅读

Comsol’s New Thermoviscous Interface and Computationally Efficient Alternative Formulations for FEM

W. R. Kampinga[1], and Y. H. Wijnant[2]
[1]Reden, Hengelo, Netherlands
[2]University of Twente, Enschede, Netherlands

Three efficient alternatives to the model in COMSOL’s thermoacoustics interface are presented. The higher ... 扩展阅读

Numerical Simulations of Ultrasonic Non Destructive Techniques of Masonry Buildings

S. Carcangiu[1], B. Cannas[1], M. Usai[1], and G. Concu[2]
[1]Department of Electric and Electronic Engineering, Cagliari, Italy
[2]Department of Structural and Infrastructural Engineering and Geomatics, Cagliari, Italy

An experimental program has been developed, with the purpose of evaluating the reliability in building ... 扩展阅读

Design of Electroacoustic Absorbers Using PID Control

H. Lissek, R. Boulandet, and M. Maugard
Ecole Polytechnique Federale de Lausanne
Lausanne, Switzerland

An "electroacoustic absorber" is a loudspeaker, used as an absorber of sound, which acoustic impedance can be ... 扩展阅读

Acoustic Emission Simulation for Online Impact Detection

C. Yang, M. A. Torres-Arredondo, and C.-P. Fritzen
Institute of Mechanics and Control Engineering
Mechatronics
University of Siegen
Siegen, Germany

Impact monitoring has been extensively studied by several researchers and it has been shown that damage ... 扩展阅读

Design and Optimization of a High Performance Ultrasound Imaging Probe Through FEM and KLM Model

L. Spicci, and M. Cati
Esaote SpA
Florence, Italy

The present paper describes the development of a full FEM model for linear array high performance 5MHz ... 扩展阅读

A Study of the Acoustic Response of Carbon Fiber Reinforced Plastic Plates

J. O'Donnell, and G. McRobbie
University of the West of Scotland
Paisly, United Kingdom

This paper gives an introduction to a continuing study detailing the process and development of using both ... 扩展阅读

Lamb Waves and Dispersion Curves in Plates and It’s Applications in NDE Experiences Using Comsol Multiphysics

P. Gómez, J. P. Fernandez, and P. D. García
Hydro-Geophysics & NDE Modeling Unit
University of Oviedo
Mieres, Spain

In this paper, a model for numerically obtaining lamb wave modes and dispersion curves in plates is ... 扩展阅读

Compression Driver Simulation Including Air Damping in Phase Plug

R.Christensen, and U. Skov
iCapture ApS
Gadstrup, Denmark

A compression driver is a certain type of electrodynamic loudspeaker which has a phase plug with slits in ... 扩展阅读

Designing a Smart Skin with Fractal Geometry

S. Ni, C. Yang Koh, S. Kooi, and E. Thomas
Institute for Soldier Nanotechnologies
Dept. of Materials Science and Eng.
MIT
Cambridge, MA

Recently, the concepts of fractal geometry have been introduced into electromagnetic and plasmonic ... 扩展阅读