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
钨丝是早期热发射电子源阴极灯丝的关键材料，工程组件上多数采用的灯丝直径为0.127~0.203mm，一般将其制成V型发叉式。模型构建了三维灯丝几何结构，计算过程中对灯丝弯折角处的区域进行网格加密处理。结合COMSOL Multiphysics多物理场的电磁热模块，实现了对钨灯丝的温度分布模拟计算，并进一步计算不同几何结构和不同灯丝材料对灯丝温度分布的影响。仿真结果表明，在材料钨、钛、锆以及各种弯折角度下，灯丝最高温度与弯曲处温度差稳定在30~40K左右。从趋势上看，弯折角度α越小灯丝总温度越高。该工作解释了常见灯丝熔断点非灯丝针尖的工程问题 ... 詳細を見る
Axial-flux permanent-magnet motors are an important technology in many technical applications, being an alternative to radial-flux motors. Axial-flux motors come up with many advantages in comparison to radial-flux motors such as high-power density, higher torque to weight ratio etc. ... 詳細を見る
Induction heating (IH) [1] is an electrically driven process useful for decarbonization of the industry. It can be used for electrification of chemical processes to replace traditional heating with gas burner and avoid CO2 emission. This kind of process can be used to heat efficiently ... 詳細を見る
The right way to design dedicated controller for a particular device or process is to compute an adequate and representative model. In the case of Magnetic Levitation Systems, the mathematical modelling via ordinary differential equations is limited by the analytical functions ... 詳細を見る
The Z-pinch (or zeta pinch) is a type of plasma confinement system used in fusion power research. It relies on an electric current discharge within the plasma to generate a magnetic field that compresses the plasma, creating conditions conducive to nuclear fusion. The concept of Z-pinch ... 詳細を見る
The paper addresses a class of problems for modeling and consequently simulating the electromagnetic field radiation pattern from a two arm Archimedes spiral coil. The performance of particular interest is knowledge of the radiated magnetic field H and electric field E in the ... 詳細を見る
In this conference we have brought together a community that is scientifically diverse in an event that allows for inspiring contacts about the use of COMSOL Multiphysics. It is an event to connect with the Spanish and Portuguese COMSOL Multiphysics users and participate in training ... 詳細を見る
The following set of COMSOL® simulations were a vital part of a multi-year-long research project about magnetically levitated hoverboards. A hoverboard can be seen as a small skateboard, that uses magnetic a set of hover-thrusters instead of wheels. A total of nine working prototype ... 詳細を見る
On-chip photonic modulators designs currently use NLO material stacks such as LiNbO3 or BaTiO3 on Si or use current injection across silicon waveguides to induce phase change required for optical modulation(Li 2020)(Li 2019). The other silicon compatible option explored is silicon ... 詳細を見る
THz is an emerging technology which can be strongly utilized in the field of spectroscopy, communication, biomedical, non-destructive evaluation (NDE), food industry and many more fields [1-2]. It covers the frequency range from 0.1-10 THz [2]. At THz regime, to achieve the high output ... 詳細を見る
