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 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
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
Background: Even though the direct nose-to-brain drug delivery has multiple advantages, its application is limited by the low delivery efficiency (<1%) to the olfactory region with standard nasal devices. Novel delivery techniques are needed that can deliver clinically relevant dosage ... 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
Ed Fontes is CTO at COMSOL with specific interest in the transport-reaction products. He has 14 years experience of modeling transport phenomena in industry and 6 years of supervising research projects in Academia. Ed Fontes received his PhD in Electrochemical Engineering from the Royal ... 詳細を見る
Silver and gold nanoparticles are widely used in the field of surface enhanced raman spectroscopy (SERS) because of the unique plasmonic properties. Plasmons or surface plasmon resonance result from the wavelength dependent dielectric properties of noble metals like Ag, Au, Pt etc., ... 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
传统的微波加热存在加热不均匀加热效率低等问题，对此本文提出了一种微波四端口扫频加热模型。通过使用四个端口馈入能量和使用变化的频率来提高加热的均匀性和效率。微波加热的过程是一个电磁场与固体传热场相互耦合的过程，通过COMSOL软件与MATLAB软件的联合调用实现了四个微波馈口的频率时变微波加热的数值分析。并通过NPA的计算优化了网格，最终通过实验验证了仿真的准确性与可靠性。 仿真模型如图1所示，被加热的物质为45mm45mm15mm的土豆块，土豆块放置在腔体底部中央的聚四氟乙烯托盘上。微波四个侧面个连接BJ26波导，微波通过波导传输到腔体中 ... 詳細を見る
摘要：磁性元器件广泛应用于开关电源系统中，例如：变压器用于电磁能量变换，起到隔离、电压变换等作用；电感器用于储能、吸收电磁干扰等作用。现如今，简单的依靠以往粗略的经验公式或者解析表达式已经不能精确的计算出实际的频率、阻抗和损耗等特性，且很难解决电感器的各类特性和体积间的优化设计。针对此问题，采用COMSOL Multiphysics 多物理场耦合仿真软件。基于案例库中电感器三维建模的案例，根据电感器实物进行三维建模，利用AC/DC磁场（mf）接口和线圈几何分析，得到了在实际工程应用中指定材料和频率范围下的阻抗、电感量、磁场强度分布、热应力和趋肤效应等参数值 ... 詳細を見る