Modeling of multiple dynamics in the radiation of bulk acoustic wave antennas

Z Yao, S Tiwari, T Lu, J Rivera… - IEEE Journal on …, 2019 - ieeexplore.ieee.org
An unconditionally stable finite-difference time-domain (FDTD) algorithm is proposed to
predict and understand the complex response in strain-mediated multiferroic radio …

A survey on the numerics and computations for the Landau-Lifshitz equation of micromagnetism

I Cimrák - Archives of Computational Methods in Engineering, 2007 - Springer
Abstract The Landau-Lifshitz (LL) equation of micromagnetism governs rich variety of the
evolution of magnetization patterns in ferromagnetic media. This is due to the complexity of …

Optimal error estimates of a linearized backward Euler FEM for the Landau--Lifshitz equation

H Gao - SIAM Journal on Numerical Analysis, 2014 - SIAM
We present a fully discrete linearized backward Euler finite element method for the Landau--
Lifshitz equation in which a new linearization is proposed for the gyromagnetic term. Optimal …

[HTML][HTML] Spin-polarized transport in ferromagnetic multilayers: An unconditionally convergent FEM integrator

C Abert, G Hrkac, M Page, D Praetorius… - … & Mathematics with …, 2014 - Elsevier
We propose and analyze a decoupled time-marching scheme for the coupling of the Landau–
Lifshitz–Gilbert equation with a quasilinear diffusion equation for the spin accumulation. This …

The equations of ferrohydrodynamics: modeling and numerical methods

RH Nochetto, AJ Salgado, I Tomas - Mathematical Models and …, 2016 - World Scientific
We discuss the equations describing the motion of ferrofluids subject to an external
magnetic field. We concentrate on the model proposed by Rosensweig, provide an …

Multiscale modeling in micromagnetics: Existence of solutions and numerical integration

F Bruckner, D Suess, M Feischl, T Führer… - … Models and Methods …, 2014 - World Scientific
Various applications ranging from spintronic devices, giant magnetoresistance sensors, and
magnetic storage devices, include magnetic parts on very different length scales. Since the …

Computational studies for the stochastic Landau--Lifshitz--Gilbert equation

L Banas, Z Brzezniak, A Prohl - SIAM Journal on Scientific Computing, 2013 - SIAM
The stochastic Landau--Lifshitz--Gilbert equation describes the thermally induced dynamics
of magnetic moments in ferromagnetic materials. Solutions of this highly nonlinear stochastic …

The eddy current--LLG equations: FEM-BEM coupling and a priori error estimates

M Feischl, T Tran - SIAM Journal on Numerical Analysis, 2017 - SIAM
We analyze a numerical method for the coupled system of the eddy current equations in
\mathbbR^3 with the Landau--Lifshitz--Gilbert equation in a bounded domain. The …

Stability of static walls for a three-dimensional model of ferromagnetic material

G Carbou - Journal de mathématiques pures et appliquées, 2010 - Elsevier
In this paper we consider a three-dimensional model of ferromagnetic material. We deal with
the static domain wall configuration calculated by Walker. We prove the stability of this …

Control of a network of magnetic ellipsoidal samples

S Agarwal, G Carbou, S Labbé, C Prieur - Mathematical Control and …, 2011 - hal.science
In this work, we present a mathematical study of stability and controllability of one-
dimensional network of ferromagnetic particles. The control is the magnetic field generated …