Normal modes in the pole and important characteristic parameters such as resonance frequency and position of the displacement node are obtained using the finite element method.
并应用有限元法对变幅杆进行了模态分析，得到了共振频率和位移节点等重要参数。
The magnetic leakage factors of two types of claw-pole alternators were computed using a three-dimensional (3-d) finite element (FE) method.
用三维有限元方法计算一台电励磁爪极发电机和一台新型混合励磁爪极发电机漏磁系数。
The 3-D finite element method is used to obtain the four-pole parameters of a muffler which are in turn used to calculate the transmission loss.
为考察消声器的性能，先用三维有限元法求出消声器两端的四端子参数，然后再根据四端子参数求出消声器的传递损失。
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