Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird
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Sehen Sie sich die Kollektion für die COMSOL Conference 2024 an
Recently, the advanced plasma tools have been using very high frequency power sources (>100 MHz) and their combination to excite plasma utilized in semiconductor technology. This approach is evoking the regimes that are less understood and currently a subject to many studies and ... Mehr lesen
This paper presents a novel methodology towards the design, analysis, and the fabrication process involved in developing a cost effective method to create a piezoelectric actuator by means of the flexoelectric effect. The basic physical equations of the flexoelectric effect and the ... Mehr lesen
For the complex 3D biocompatible metallic parts, with high level of customization, used in medical prosthesis and implants Direct Metal Laser Sintering (DMLS) and Selective Laser Melting (SLM) are the most common Additive Manufacturing technologies used nowadays. However, both ... Mehr lesen
微波加热技术现已广泛应用于岩石工程和地下工程等领域，例如岩石粉碎、非常规油气开采等领域。国内外学者也对此进行了大量的研究，但是微波破岩机理尚不明确，特别是微波照射下不同矿物成分相互作用机理不明确。微波破岩是一个电磁-热-力相互耦合过程。本项研究借助于COMSOL的RF模块、固体力学模块、固体传热模块及COMSOL with Matlab。建立了不同尺度的数值计算模型。在大尺寸模型中揭示了微波照射时间与温度的关系，并与试验结果对比。在小尺度模型中，研究微波照射下不同矿物的破坏机理，相关研究成果已撰写一篇SCI论文（审稿中）。 Mehr lesen
Three-dimensionally varying flattened Luneburg Lens structure whose axisymmetric invariance of material parameters is calculated by conformal mapping, presents a numerical challenge for three dimensional modelling. To address this problem, conventionally a two dimensional quasi-conformal ... Mehr lesen
当高温超导体内部出现温升时，其临界电流密度会发生改变。为探索这种温度效应对高温超导磁悬浮的影响，本文利用COMSOL软件，结合AC/DC 模块及传热模块，建立了悬浮于永磁轨道上方的高温超导块材二维实体模型，以磁轨的小幅振动模拟轨道不平顺。模型基于非连续性超导体E-J磁通流动与蠕动电磁本构关系，考虑不同温度-临界电流密度Jc(T)关系表达式，研究了高温超导块材在磁场不平顺激扰下的磁-热-力动态行为特性。并探究了不同Jc(T)关系对仿真模型求解效率及收敛性的影响。该工作将为高温超导磁悬浮磁-热效应及能量损耗问题的研究提供一定的仿真手段。 Mehr lesen
The effect of plasmon-wavelength scaled gratings on the surface plasmon resonance is studied experimentally and theoretically. The model samples are multi-layers containing laser fabricated gratings at bimetal-polymer interfaces. Dual-angle dependent surface plasmon resonance ... Mehr lesen
Pyrometallurgical furnaces are used to produce metals such as copper, nickel and platinum by the smelting process. During smelting, the undesired material components are separated from the desired metal resulting in the formation of a slag and matte/metal phase. The slag phase ... Mehr lesen
The problem of an unbalanced mechanical torque signal generation using nonpolar repulsion techniques is studied. To achieve such an unbalanced torque, several stator and rotor geometries, consisting of nonlinear permanent magnet spring batteries are investigated. It can be shown that an ... Mehr lesen
The photoacoustic (PA) effect consisting of the generation of an acoustic signal based on the absorption of light has already demonstrated its potential for various spectroscopic applications for both gaseous and solid samples. The signal produced during photoacoustic spectroscopy (PAS) ... Mehr lesen