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Coupled Magneto-Mechanical Analysis of Iron Sheets Under Biaxial Stress

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Original languageEnglish
Article number2000804
JournalIEEE Transactions on Magnetics
Issue number3
Early online date2015
Publication statusPublished - 2016
Publication typeA1 Journal article-refereed


A novel single sheet tester design is proposed and a directly coupled magneto-mechanical model is used to numerically analyze the behavior of iron sheets under biaxial magneto-mechanical loading applied by the tester device. Magneto-mechanically coupled constitutive equations of the material derived using an energy based approach are integrated into a finite element model of the single sheet tester device and simulations are performed to solve for the displacement field and the magnetic vector potential in the sample. The obtained numerical results of magnetostriction evolution due to uniaxial stress and stress induced anisotropies due to permeability variation under different magneto-mechanical loadings are presented. The simulation results are compared to the results published in the literature for the purpose of validation.

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