研究開発におけるマルチフィジックスシミュレーションの具体例
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COMSOL Conference 2024 論文集を見る
A discrete model for the prediction of relative ion bombardment flux and target erosion in planar sputtering magnetrons is implemented in COMSOL Multiphysics®. Planar magnetrons are used within physical vapor deposition (PVD) processes to form thin film depositions on various types of ... 詳細を見る
This paper describes the thermal and structural combined simulation on COMSOL Multiphysics® of a Microwave (MW) Fin Taper (FT) Spatial Power Combiner (SPC) Power Amplifier (PA), based on rectangular Waveguide (WG). In the SPC based PA's, the captured power is feeded by microstrip ... 詳細を見る
在微波加热的多物理场仿真中，如果被加热物体的几何区域太小或者太薄，会造成整个模型网格剖分困难、网格数量多且计算消耗内存大等问题。本文针对微波加热时薄壁容器的网格剖分困难，网格数量大，且占用计算机内存资源多的问题，提出了一种基于变换光学算法的微波薄壁加热模型计算优化方法。利用变换光学算法将薄壁区域空间扩大，通过改变薄壁区域内的介质参数来与原模型进行空间映射，从而避免网格剖分过程中的薄壁问题出现，这样可以在同样的网格剖分设置下减少整个模型的网格数量，节省计算时间，减少计算机内存资源的占用。通过相应的公式推导，在二维模型中实现了薄壁变换光学算法的计算 ... 詳細を見る
Terahertz (THz) radiation lies in between the microwaves and the infrared region of electromagnetic wave spectrum corresponding to the wavelength 30 µm to 3,000 µm. This EM range has found widespread applications in several industrial ... 詳細を見る
Multiphysical simulation is a daily-used tool for loudspeaker design and engineering, however it is still a time expensive process that requires specific modeling capabilities. In order to increase engineering efficiency and to broaden the usage of multiphysical simulation, at ... 詳細を見る
This paper describes the design of a normally closed, electrodynamic microvalve. Magnetic forces between a permanent magnet in the valve cover and a soft magnet in the valve seat hold the valve closed. The combination of electrodynamic actuation and a mechanical restoring spring are ... 詳細を見る
Superconductors have the unique capability of trapping magnetic flux. This feature has the potential to enable and improve several applications including high power density rotating machines. Current material used as trapped flux magnets (TFM) is single domain YBCO that present numerous ... 詳細を見る
The most popular means of depression treatment are psychotherapy, antidepressant medication and recently adopted transcranial magnetic stimulation (TMS) of the human brain. To overcome their disadvantages we are investigating an application of low-field magnetic stimulation (LFMS) to ... 詳細を見る
Marco Cati graduated cum laude and encomium citation in electronic engineering in 2001 from the University of Florence, where in 2005 he also received a Ph. D. degree in electronic engineering. In 2005 he joined the Research & Development Department of Esaote where he is currently in ... 詳細を見る
The aim of this study is to compare the diffraction efficiency of a sinusoidal diffraction grating numerically calculated using COMSOL Multiphysics® with the measured results performed with a custom-made equipment and calculations using Bessel functions. A diffraction grating with the ... 詳細を見る