在比较了多种研究材料内部磁场分布的方法的基础上,分析了二维有限元模型在研究局部磁化中存在的问题以及采用三维有限元计算的必要性。
The problems by using 2D finite element computing modeling to study the local magnetization for tank floor are analyzed, and 3D finite element modeling is set up.
所提出的方法将永磁材料包括局部回线在内的磁滞特性包含到数学模型中,在合理的假设下,考虑了计及磁滞效应的“旋转磁化”。
The rotational limit line was introduced to the rotational hardening law and a parameter b was added to the model to reflect the evolution of anisotropy.
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