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。
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.
导出以截面横向位移和节点纵向位移为未知量的有限元法的基本方程。
Taking the lateral displacement of the cross section and the longitudinal displacement of nodes as the basic variables the finite element analysis of thin-walled member structures is formulated.
本文提出一种优化有限元网洛节点标号的WGPS算法，该法是在GPS法的基础上作了一些改进而形成的。
In this paper, an algorithm to finite element mesh nodal number optimization, the WGPS, is presented. This algorithm is obtained based on the GPS algorithm.
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