Simulation of hydrostatical equilibrium of ferrofluid subject to magneto-static field

HS Choi, YS Kim, KT Kim… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
In this paper, a numerical scheme for obtaining ferrofluid shape formation is presented using
the revisited Kelvin's force formula. The formula adopts the newly appreciated field intensity …

Radial stiffness of a ferrofluid seal

R Ravaud, M Pinho, G Lemarquand… - IEEE Transactions …, 2009 - ieeexplore.ieee.org
This paper presents an analytical model for calculating the shape and the radial stiffness of
ferrofluid seals used as radial bearings and this theoretical value of the radial stiffness is …

笼型感应电机发生断条故障时转子局部电磁力计算

谢颖, 王云阳 - 中国电机工程学报, 2013 - epjournal.csee.org.cn
电磁应力是导致笼型感应电机发生断条故障的原因之一. 基于二维瞬态磁场结果,
结合麦克斯韦张量法和洛仑兹力原理, 对电机故障前后的转子铁心, 导条所受电磁力进行计算 …

Magnetic force calculation in reluctance force launcher

G Zhu, H Hu, W Guo, K Zhang, Y Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To study the clamping device in reluctance force launcher, the Maxwell stress tensor method
is extended to contact force calculations. It is generally believed that the Maxwell stress …

Localization of electromagnetic force based on material models

T Kovanen, T Tarhasaari… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
Various candidates are known for electromagnetic stress in material media that all coincide
in free space with the Maxwell's stress tensor. Although the situation provides various total …

Finite element analysis for cooling effect of magnetic fluid with alternating magnetic field

SH Lee, YS Kim - Journal of Applied Physics, 2009 - pubs.aip.org
We present a fully coupled finite element method (FEM) for analyzing a cooling effect of
magnetic fluid with an alternating magnetic field driven with the power frequency, 60 Hz …

Definition of electric and magnetic forces on Riemannian manifold

T Kovanen - 2013 - trepo.tuni.fi
The precise relationship of electricity and magnetism to mechanics is becoming a critically
important question in modern engineering. Although well known engineering methods of …

Evaluation of magnetic force distribution and torque due to smooth interaction body force density in permanent-magnet materials

GY Jeong, HS Choi, HJ Kim, HG Kim… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
A smooth interaction body force density and torque were evaluated in permanent-magnet
(PM) systems by using the virtual air-gap scheme coupled with the finite-element method …

Mechanical Deformation and Body Force Density Due to the Generalized Korteweg–Helmholtz Force Density Method Employing the Virtual Air-Gap Scheme

JH Choi, C Kwak, HS Choi, H Kim… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A generalized Korteweg-Helmholtz (GKH) force density method was implemented
incorporating the virtual air-gap scheme and the finite-element method for evaluating …

Etude analytique des systèmes magnétomécaniques sans fer: application au haut-parleur guidé par joints de ferrofluide

R Ravaud - 2009 - theses.hal.science
Cette thèse a pour objet la modélisation analytique des systèmes à aimants permanents.
Leurs caractérisations supposent la détermination du champ magnétique qu'ils produisent …