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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

Transient Vacuum and High Pressure Generation by Focused Acoustic Waves

R. Eisenschmid [1],
[1] OPTIMA pharma GmbH, Schwaebisch Hall, Germany

Amplitude of acoustic waves can be magnified by conical or concave waveguides, like in ear trumpets or ... 扩展阅读

Topology Optimization of a Gaseous Photoacoustic Spectroscopy Cell Using COMSOL Multiphysics®

R. Haouari [1], V. Rochus [2], L. Lagae [1], X. Rottenberg [2],
[1] Imec & KU Leuven, Leuven, Belgium
[2] Imec, Leuven, Belgium

It is known that photoacoustic spectroscopy shows the highest signal-to-noise ratio compared to other ... 扩展阅读

Considerations Regarding the Design of a Power Ultrasonic Transducer with Flat Rectangular Plate

R. R. Andrés [1], E. Riera [1],
[1] Grupo de Sistemas y Tecnologías Ultrasónicas, ITEFI, CSIC, Madrid, España

There are several industrial applications, like food dehydration, atomization and textile washing among ... 扩展阅读

A Multi-Physics Study of the Wave Propagation Problem in Open Cell Polyurethane Foams

M. Dossi [1], M. Brennan [1], M. Moesen [1],
[1] Huntsman Polyurethanes, Everberg, Belgium

Flexible and semi-rigid polyurethane foams are widely used as noise and vibration damping materials. Their ... 扩展阅读

Time-Dependent Study of Pressure Waves Generated by Square Array MEMS Ultrasound Transducers

M. A. G. Suijlen [1], R. J. Woltjer [1],
[1] Novioscan, Nijmegen, Netherlands

For non-imaging wearable ultrasound applications Novioscan is developing piezoelectric MEMS transducers. ... 扩展阅读

Damping in Dense Gas Acoustic Structure Interaction

J. P. M. Smeulers [1], H. P. Pereboom [1], N. González Díez [1],
[1] TNO, Delft, The Netherlands

Large centrifugal compressors, which are commonly applied in the oil and gas and in the process industry, may ... 扩展阅读

3D Acoustic-Structure Interaction of Ultrasound in Fluids for the Manufacture of Graded Materials

J. Holt [1], C. Torres-Sanchez [1], P. Conway [1], M. G. Garcia-Romero [1],
[1] The Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Leicestershire, UK

Functionally graded materials (FGM) are those that contain chemical, phase or structural gradients. Whilst ... 扩展阅读

Topology Optimization of Thermoviscous Acoustics in Tubes and Slits with Hearing Aid Applications

R. Christensen [1],
[1] GN ReSound A/S, Ballerup, Copenhagen, Denmark

When acoustic applications include small geometries, i.e. mm/submillimeter range, so-called thermoviscous ... 扩展阅读

Frequency Response of Soil-Structure Interaction for Concrete Gravity Dams

A. De Falco [1], M. Mori [1], G. Sevieri [2],
[1] University of Pisa, Pisa, Italy
[2] University of Florence, Florence, Italy

Seismic evaluation of existing dams is a major issue that has been even more highlighted by the recent events ... 扩展阅读

COMSOL® Analysis for Duct Acoustic

M. M. Ghulam [1], E. J. Gutmark [1],
[1] Aerospace Department, University of Cincinnati, Cincinnati, OH, USA

COMSOL analysis of the acoustic modes of two different Combustion Wind Tunnel Facility’s test sections was ... 扩展阅读