Curing spurious magneto‐mechanical coupling in soft non‐magnetic materials
Sign Up to like & getrecommendations! Published in 2022 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.7210
Abstract: The present work is concerned with the issue of spurious coupling effects that are pervasive in fully coupled magneto‐mechanical finite element simulations involving very soft non‐magnetic or air‐like media. We first address the characterization of… read more here.
Keywords: soft non; spurious magneto; non magnetic; mechanical coupling ... See more keywords
The magneto-mechanical properties of off-axis anisotropic magnetorheological elastomers
Sign Up to like & getrecommendations! Published in 2020 at "Composites Science and Technology"
DOI: 10.1016/j.compscitech.2020.108079
Abstract: Abstract Off-axis anisotropic magnetorheological (MR) elastomers with different particle chain orientations were investigated. Under the quasi-static and oscillatory shear excitation, the internal structure has significant effects on the mechanical response (initial modulus, magneto-induced modulus and… read more here.
Keywords: anisotropic magnetorheological; particle chain; magneto mechanical; magnetorheological elastomers ... See more keywords
Static nonlinear model of both ends clamped magnetoelectric heterostructures with fully magneto-mechanical coupling
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2018.06.098
Abstract: Abstract A static fully magneto-mechanical coupling nonlinear model of magnetoelectric (ME) effect in both ends clamped magnetostrictive/piezoelectric heterostructures is established. The magnetoelectric effect, which arose from piezoelectric effect driven by magnetostrictive force, is studied. As… read more here.
Keywords: nonlinear model; magneto mechanical; ends clamped; model ... See more keywords
Analysis method for magneto-mechanical coupled vibration of the in-vessel structures considering halo current effect and application to HL-2M tokamak
Sign Up to like & getrecommendations! Published in 2020 at "Fusion Engineering and Design"
DOI: 10.1016/j.fusengdes.2020.111612
Abstract: Abstract The tokamak in-vessel structures serve in strong magnetic fields. During plasma disruptions such as the vertical displacement events, the induced eddy current and the injected halo current in in-vessel structures cause the vibration of… read more here.
Keywords: vessel structures; vibration; halo current; magneto mechanical ... See more keywords
Equivalent circuit method based on complete magneto-mechanical coupling magnetostriction parameters for fixed magnetoelectric composites
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2021.106411
Abstract: Abstract Sensor applications based on magnetoelectric (ME) effects have the potential to achieve ultra-precise detection. Due to the significant nonlinearity found in the experiment, establishing a systematic nonlinear analysis model is essential for designing high… read more here.
Keywords: mechanical coupling; equivalent circuit; circuit method; magneto mechanical ... See more keywords
Modeling and finite element simulation of the magneto-mechanical behavior of ferrogels
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2016.09.058
Abstract: Abstract In our previous study (see Ref. Attaran et al. (in press) [1] ) we formulated a continuum model for ferrogels considering them as multicomponent materials. In the present work a reduced model for ferrogels… read more here.
Keywords: finite element; simulation magneto; element simulation; magneto mechanical ... See more keywords
Magneto-mechanical modeling of electrical steel sheets
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2017.05.008
Abstract: A simplified multiscale approach and a Helmholtz free energy based approach for modeling the magneto-mechanical behavior of electrical steel sheets are compared. The models are identified from uniaxial magneto-mechanical measurements of two different electrical steel… read more here.
Keywords: modeling electrical; magneto mechanical; steel sheets; electrical steel ... See more keywords
Magneto-mechanical action of multimodal field configurations on magnetic nanoparticle environments
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2017.12.024
Abstract: Abstract The generation of mechanical forces via magnetic fields, the so called magneto-mechanical effect, is a powerful manipulation tool of magnetic nanoparticles inside variable environments. The combination of alternating, static or rotating magnetic field configurations… read more here.
Keywords: field; magnetic nanoparticle; field configurations; magnetic nanoparticles ... See more keywords
Determination of stress dependent magnetostriction from a macroscopic magneto-mechanical model and experimental magnetization curves
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.166299
Abstract: Abstract In this paper, we propose a method to identify the magnetostrictive behavior of electrical steel sheet submitted to a mechanical loading. The technique relies on the use of a magneto-mechanical model including the magnetostrictive… read more here.
Keywords: magnetization curves; magneto mechanical; mechanical model; model ... See more keywords
Modeling a Fe-Ga energy harvester fitted with magnetic closure using 3D magneto-mechanical finite element model
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2020.166390
Abstract: Abstract This paper presents the implementation of magneto-mechanical constitutive law utilizing thermodynamic approach in a 3D finite element solver using COMSOL Multiphysics software. The analytical expression for the magnetic field strength and stress is derived… read more here.
Keywords: finite element; magneto mechanical; energy; model ... See more keywords
Magneto-mechanical coupling model of ferromagnetic materials under fatigue loading and its application in metal magnetic memory method
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2020.167167
Abstract: Abstract Fatigue damage of materials is generally evaluated by the degree of degradation of mechanical properties under fatigue loading. Existing experiments show that fatigue damage of ferromagnetic materials can also be evaluated utilizing changes in… read more here.
Keywords: magneto mechanical; ferromagnetic materials; fatigue loading; fatigue damage ... See more keywords