Modeling the dynamic magneto-mechanical response of magnetic shape memory alloys based on Hamilton’s principle: The numerical algorithm

Fan, Chengkai; Steinmann, Paul; Wang, Jiong

doi:10.1016/j.jmps.2023.105408

Journal of the Mechanics and Physics of Solids

2023

DOI: 10.1016/j.jmps.2023.105408

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Modeling the dynamic magneto-mechanical response of magnetic shape memory alloys based on Hamilton’s principle: The numerical algorithm

Chengkai Fan,

Paul Steinmann,

Jiong Wang

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2024

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3-D Meso-Scale Finite Element Calculations of Free Energy on Twin Boundaries in Magnetic Shape Memory Alloys

Nemov,

Saren,

Matikainen

et al. 2024

IEEE Trans. Magn.

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Smart structures based on the magnetic shape memory (MSM) effect feature giant magnetic field-induced strains and an ultra-fast response. MSM alloys could be used in a variety of applications such as digital hydraulics, microfluidic systems, soft robotics. However, practical implementation of the MSM effect is complicated by a lack of precise engineering simulation tools suitable for designing structures using the MSM alloys. Presented here is an approach to calculating the difference in free energy across twin boundaries, which is the driving force for structural transformations in MSM alloys. The approach, based on 3D finite element simulations, makes it possible to consider an entire specimen while accounting for complex inner and outer non-homogeneous magnetic fields. Based on the simulation results obtained, conclusions are offered regarding the effect of different modeling approaches and experimental setups on free energy differences across twin boundaries.

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3-D Meso-Scale Finite Element Calculations of Free Energy on Twin Boundaries in Magnetic Shape Memory Alloys

Nemov,

Saren,

Matikainen

et al. 2024

IEEE Trans. Magn.

View full text Add to dashboard Cite

show abstract

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Modeling the dynamic magneto-mechanical response of magnetic shape memory alloys based on Hamilton’s principle: The numerical algorithm

Cited by 1 publication

References 65 publications

3-D Meso-Scale Finite Element Calculations of Free Energy on Twin Boundaries in Magnetic Shape Memory Alloys

3-D Meso-Scale Finite Element Calculations of Free Energy on Twin Boundaries in Magnetic Shape Memory Alloys

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