Based on the three-dimensional nonlinear finite element method, the structural design is made on the vertical-tail of a plane in this paper.

基于三维有限元数值分析，对飞机的重要部件垂直尾翼进行结构设计。

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Accordingly, a nonlinear mathematical model of three dimensional temperature fields in quenching processes has been proposed based on the Finite Element Method in this paper.

本文据此提出了三维非线性淬火温度场有限元数学模型，模型中耦合了温度和相变潜热的计算。

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In this paper, a complex scalar magnetic potential finite element method is proposed to calculate the three dimensional anisotropic nonlinear magnetic field and iron loss in transformer cores.

本文提出复标量磁位的有限元法计算变压器铁心中三维各向异性非线性磁场和损耗。

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