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In questa sezione troverete i lavori presentati alle Conferenze mondiali COMSOL. Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse.

Visualizza gli articoli presentati alla COMSOL Conference 2020

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MultiPhysics Simulation of Direct Double Helix Magnets for Charged Particle Applications

P. J. Masson[1], and R. B. Meinke[1]
[1]Advanced Magnet Lab, Palm Bay, Florida, USA

Charged particle beam manipulation requires magnetic dipoles for steering and quadrupoles for focusing. Conventional magnets are currently used leading to very large and heavy systems. Miniaturization of the optic magnets would enable the development of more affordable systems and ... Per saperne di più

Calculation of the Magnetic Field Intensity in a Rectangular Conductor Carrying Current in Electromagnetism Introductory Courses

J.C. Olivares-Galvan[1], I. Hernandez[2] , P.S. Georgilakis[3], and L.E. Campero[1]

[1]Universidad Autónoma Metropolitana, Azcapotzalco, Mexico, D.F.
[2]Centro de Investigacion y de Estudios Avanzados del IPN, Unidad Guadalajara, Guadalajara, Jalisco, Mexico
[3]School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece

This paper describes a type of didactic material used when teaching electromagnetism. The purpose is to guide the students to verify the results of a Finite Element (FE) simulation using those obtained analytically. This procedure has shown to be of great help during their learning of ... Per saperne di più

Computational Modeling of Magnetorheological Elastomers Using Soft and Hard Magnetic Particles

J. Biggs[1], P. VonLockette[1], and S. Lofland[1]
[1]Rowan University, Glassboro, New Jersey

Magnetorheological Elastomers (MREs) are a composite that consist of magnetic micrometer sized particles suspended within rubber matrix filler. By placing this material within an external magnetic field during the rubber curing process, the poles of the particles are forced to align and ... Per saperne di più

COMSOL Implementation of Valet-Fert Model for CPP GMR devices

T. Xu[1], C.K.A. Mewes[1], S. Gupta[2], and W.H. Butler[1]
[1]Department of Physics and Astronomy and Center for Materials for Information Technology, University of Alabama, Tuscaloosa, Alabama, USA
[2]Department of Metallurgical and Materials Engineering and Center for Materials for Information Technology, University of Alabama, Tuscaloosa, Alabama, USA

The Giant Magneto Resistance (GMR) effect is a quantum mechanical effect which can be observed in systems consisting of thin alternating ferromagnetic and non-ferromagnetic layers. Simulation using COMSOL allows the evaluation of the magneto-resistance ratio and the electrical ... Per saperne di più

COMSOL Multiphysics Modeling of Rotational Resonant MEMS Sensors with Electrothermal Drive

S. Nelson[1], and M. Guvench[1]
[1]University of Southern Maine, Gorham, Maine, USA

COMSOL Multiphysics is employed to model, simulate and predict the performance of a high Q, in-plane rotational resonating MEMS sensor. The resonating sensor disk is driven by thermal expansion and contraction of the support tethers due to AC joule heating. The resonant frequency is ... Per saperne di più

Control of Preheating Process of Casting Die as Distributed Parameter System

C. Belavý[1], G. Hulkó[1], K. Ondrejkovic[1], and P. Zajícek[1]
[1]Institute of Automation, Measurement and Applied Informatics, Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Bratislava, Slovak Republic

In the paper distributed parameter system models in the form of lumped-input/distributed-output systems are introduced and modeling of temperature fields of the die in the benchmark casting plant is presented. Temperature fields were modeled and studied using a finite element method ... Per saperne di più

Deep Desulfurization of Diesel Using a Single-Phase Micro-Reactor

G. Jovonavic[1], J. Jones[1], and A. Yokochi[1]
[1]School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, Oregon, USA

This paper describes the benefits of computational fluid dynamics in the development of a microreactor used in the desulfurization of aromatic compounds. It is crucial to verify diffusion and extinction coefficients to ensure accurate simulation results prior to experiments. COMSOL ... Per saperne di più

Design Simulations of a General Purpose Research Micro Reactor for Methane Conversion to Syngas.

C. Bouchot[1], and M.A. Valenzuela[1]
[1]Instituto Politécnico Nacional-ESIQIE, México D.F, México

A general purpose stainless steel micro reactor setup for methane conversion is being designed for research purposes. We intend to design and build a modular device that would be able to manage different types of reactions depending on the installed modules. The device should be able to ... Per saperne di più

Designing B-field Coils from the Inside-Out

C.B. Crawford[1], Y. Shin[1], and G. Porter[1]
[1]Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky, USA

Traditionally the design cycle for magnetic fields involves guessing at a reasonable conductor / magnetic material configuration, using FEA software to calculate the resulting field, modifying the configuration, and iterating to produce the desired field. Our method involved solving the ... Per saperne di più

Effect of S-p Relation Model on DNAPL Migration Simulation Result

H. Ishimori[1], and K. Endo[1]
[1]National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan

To consider effective counter measures against ground water contaminated with dense non-aqueous phase liquids (DNAPLs) such as chlorinated solvents, it is first important to understand the mechanism of their migration in heterogeneous aquifer. In addition, numerical analysis models to ... Per saperne di più

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