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Coupled Magneto-Mechanical Analysis of Iron Sheets Under Biaxial Stress

机译:双向应力作用下铁片的磁-力耦合分析

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摘要

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 with the results published in the literature for the purpose of validation.
机译:提出了一种新颖的单板测试仪设计,并使用直接耦合的磁-机械模型对铁板在测试仪设备施加的双轴磁-机械载荷下的行为进行了数值分析。使用基于能量的方法得出的材料的磁机械耦合本构方程被集成到单张测试仪设备的有限元模型中,并进行了仿真以解决样品中的位移场和磁矢量势。给出了在不同的磁机械载荷下单轴应力引起的磁致伸缩演化的数值结果以及由于磁导率变化引起的应力诱导各向异性的数值结果。为了进行验证,将模拟结果与文献中发表的结果进行了比较。

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