NUMERICAL MODELLING OF MAGNETIC SHIELDING BY A CYLINDRICAL FERROFLUID LAYER-Reference-Cited by-同舟云学术

NUMERICAL MODELLING OF MAGNETIC SHIELDING BY A CYLINDRICAL FERROFLUID LAYER

Published:2019-02-05 Issue:2 Volume:24 Page:155-170
ISSN:1392-6292
Container-title:Mathematical Modelling and Analysis
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Author:

Lavrova Olga¹,Polevikov Viktor²,Polevikov Sergei³

Affiliation:

1. Faculty of Mechanics and Mathematics, Belarusian State University, Independence Ave. 4, 220030 Minsk, Belarus

2. Faculty of Applied Mathematics and Informatics, Belarusian State University, Independence Ave. 4, 220030 Minsk, Belarus

3. OppenheimerFunds, Inc, 225 Liberty Street, 2WFC, 16 Floor, New York, NY 10281, USA

Abstract

A coupled method of finite differences and boundary elements is applied to solve a nonlinear transmission problem of magnetostatics. The problem describes an interaction of a uniform magnetic field with a cylindrical ferrofluid layer. Ferrofluid magnetisations, based on expansions over the Langevin law, are considered to model ferrofluids with a different concentration of ferroparticles. The shielding effectiveness factor of the cylindrical thick-walled ferrofluid layer is calculated depending on intensities of the uniform magnetic field and on thickness of the ferrofluid layer.

Publisher

Vilnius Gediminas Technical University

Subject

Modelling and Simulation,Analysis

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