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COMSOL Conference 2024 論文集を見る
高温超导磁悬浮现象自发现以来,以其独特的无源自稳定优势被广泛应用于超导轴承、飞轮储能和轨道交通等领域。随着高速磁悬浮应用的发展和需求，关于高温超导磁悬浮在动态运行下的悬浮特性研究变得尤为重要。本文借助COMSOL Multiphysics软件，耦合AC/DC模块和传热模块，基于磁场强度H法和非线性幂指数E-J关系，建立了悬浮于环形永磁轨道上方的高温超导块材三维实体模型。通过设置轨道的上下振动来模拟超导块材高速运行下受到的轨道不平顺带来的交变磁场的影响。仿真以高温超导块材磁-热-力耦合特性为切入点，研究了在变化外磁场下超导块材悬浮性能及其内部温度变化情况 ... 詳細を見る
Plasma torches are used in processing of materials and in energy industry for producing plasma. In this work we use the Equilibrium DC Discharge physics interface of COMSOL Multiphysics® to model a DC non- transferred arc plasma torch, under hypothesis of local thermodynamic equilibrium. ... 詳細を見る
随着城市用电量的逐年增加，单相变压器连续运行时的损耗发热严重制约了其发展和应用。高温发热会加速绝缘老化和缩短设备使用寿命，甚至导致一系列故障问题，降低设备的可靠性。该问题涉及电-磁-热多物理场耦合，心损耗温升的准确计算至关重要，为此本文基于硅钢片磁化特性的测量数据，考虑铁心磁特性受应力影响，采用 COMSOL Multiphysics 多物理场仿真软件，通过 AC/DC 模块、固体力学模块和传热模块对单相变压器铁心的磁场、应力、损耗和温升分布进行研究。首先施加激励得到铁心磁场及损耗密度分布，最后将损耗值作为温度场的热源，进而计算铁心的温升分布 ... 詳細を見る
Automotive industry needs smart technologies to enhance their torque capacity or clutching actions. MR fluid is one of the material whose properties can solve the issue of improvement in torque capacity of automobiles. In this paper MR clutch is designed and developed. The theoretical ... 詳細を見る
The present work introduces a new methodology, based on COMSOL Multiphysics® Application Builder, to account for the “beam trapping” effect in multiphysical modelling of laser welding. Incident intensities involved in laser welding processes are high enough to induce material ... 詳細を見る
The development in metamaterial science and technology has created many exhilarating applications from microwave to optical frequency region in which invisibility cloaking is one of the exciting application. In recent years, the RCS reduction characteristics through cloaking structures ... 詳細を見る
A genetic algorithm was programmed in MATLAB® software and linked to the COMSOL Multiphysics® software with the COMSOL LiveLink™ for MATLAB® to optimize the geometry of an optical antenna (nanoantenna). The proposed computational model demonstrated that nanoantenna geometries does not ... 詳細を見る
Svante Littmarck is the CEO of the COMSOL group. He co-founded COMSOL in 1986. He holds a M.Sc. in Applied Mathematics from the Royal Institute of Technology in Stockholm. In 2004 he received an honorary doctoral degree from the Royal Institute of Technology. 詳細を見る
3D printing as applied to the area of electronics manufacture covers a broad range of traditional printing technologies [1]. The attraction in 3D printing lies in its potential to disrupt the traditional photolithographic/subtractive manufacturing line with simpler additive processes. ... 詳細を見る
Dr. Christian Deville-Cavellin is a Research Engineer at Ugitech's Research Center, since 1995. Ugitech, member of the Schmoltz & Bickenbach group, is a stainless steel, long products producer. C. Deville-Cavellin is responsible for all research topics related to liquid metal ... 詳細を見る