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Ici vous trouverez les présentations issues des Conférences COMSOL à travers le monde. Réalisées par des utilisateurs de COMSOL Multiphysics, ces présentations explorent tous les domaines actuels d'innovation. Les applications couvrent pratiquement tous les secteurs industriels et impliquent des phénomènes électriques, mécaniques, fluidiques et chimiques. Utilisez la recherche rapide pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt.

Consultez les proceedings de la Conference COMSOL 2024

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Benefits of COMSOL Multiphysics^® Version 4

Ed Fontes
Chief Technology Officer, COMSOL

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 ... En savoir plus

Controlled Olfactory Delivery Using Magnetophoretic Guidance

J. Xi [1], Z. Zhang [1], X. Si [2],
[1] Central Michigan University, Mount Pleasant, MI, USA
[2] California Baptist University, Riverside, CA, USA

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 ... En savoir plus

Analysis of Super Imaging Properties of Spherical Geodesic Waveguide Using COMSOL Multiphysics

D. Grabovi?ki?[1], J.C. González[1], P. Benítez[1], J.C. Miñano[1]
[1]Cedint Universidad Politécnica de Madrid, Madrid, Spain

Negative Refractive Lens (NRL) has shown that an optical system can produce images with details below the classic Abbe diffraction limit. This optical system transmits the electromagnetic fields, emitted by an object plane, towards an image plane producing the same field distribution in ... En savoir plus

Capacitance Computation of Multilayered and Multiconductor Interconnects Using Finite Element Method

S. Musa, and M. Sadiku
College of Engineering, Prairie View A&M University, Prairie View, TX, USA

The development and analysis of interconnects in inhomogeneous structures such as very large scale integration chips, printed circuit boards, and multichip modules are essential for next-generation electronic products. In this paper, we illustrate fast and sufficiently accurate ... En savoir plus

Design and Optimization of Multilayer Ideal Cloak

B. Choudhury [1], M.H. Jyothi [1], D. V. Bipin [1],
[1] Centre for electromagnetics, CSIR-National Aerospace Laboratories, Bangalore, Karnataka, India

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 ... En savoir plus

高温超导块材的交流损耗及温升特性研究与分析

陈洋 [1], 陈楠 [2], 金李炜 [2], 郑珺 [2],
[1] 西南交通大学电气工程学院
[2] 西南交通大学牵引动力国家重点实验室

摘要：高温超导磁悬浮利用车载高温超导块材的磁通钉扎特性实现稳定悬浮，自其研发之初就受到广泛关注。车辆在运行过程中，由于非理想永磁轨道表面的不平顺，高温超导块材内部将会产生交流损耗，这直接影响到高温超导磁悬浮系统的稳定性。本文利用COMSOL Multiphysics 软件，结合PDE模块和传热模块，建立了二维高温超导块材YBCO在交变外磁场下的磁-热耦合模型。通过添加边界条件以实现不同频率和幅值的交变外场激励，在此基础之上计算了超导块材的交流损耗特性和温升特性，并探究了超导块材失超的极限条件，为高温超导磁悬浮系统安全稳定运行提供了一定的指导。关键词：高温超导磁悬浮 ... En savoir plus

Genetic Algorithm for Geometry Optimization of Optical Antennas

R. Diaz de Leon [1], G. Gonzalez [1], A. G. Rodriguez [1], E. Flores [2], F. J. Gonzalez [1],
[1] Universidad Autonoma de SLP, San Luis Potosi, S.L.P., Mexico
[2] Instituto Tecnologico de SLP, San Luis Potosi, S.L.P., Mexico

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 ... En savoir plus

Evaluating Nanogaps in Ag and Au Nanoparticle Clusters for SERS Applications Using COMSOL Multiphysics®

R. Asapu [1], R. Ciocarlan [2], N. Claes [3], N. Blommaerts [1], S. Bals [3], P. Cool [2], S. Denys [1], S. Lenaerts [1], S. W. Verbruggen [1]
[1] Department of Bioscience Engineering, DuEL Research Group, University of Antwerp, Belgium
[2] Department of Chemistry, PLASMANT Research Group, University of Antwerp, Belgium
[3] Department of Physics, EMAT Research Group, University of Antwerp, Belgium

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., ... En savoir plus

Analysis of an Electromagnet for Diverse Safety Rod Drive Mechanism

N. Subbulu[1], P. Sharma[1], V. Sharma[1], S.K. Das[1], R. Veerasamy[1], B. Krishnakumar[1], P. Kalyanasundaram[1], and G. Vaidyanathan[1]
[1] Fast Reactor Technology Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, India

Prototype Fast Breeder Reactor (PFBR) has two independent, diverse, fast acting & fail safe shut down systems to achieve the required level of safety & reliability (1). The shut down systems comprises of nine numbers of Control & Safety Rod Drive Mechanisms (CSRDM) & ... En savoir plus

COMSOL Multiphysics{:sup}®{:/sup} Enhances Design Process at e2v ...

COMSOL Multiphysics^® Enhances Design Process at e2v technologies

Jan Przybyla
Technical Specialist, e2v technologies, England

Outline of presentation: We have seen a few of the diverse ways e2v has started to use COMSOL It is allowing us to view our processes in a different way Resulting in improvements It is enabling our engineers and scientists to examine the full application, not just the microwave or RF ... En savoir plus

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