这种结构的共振模态 (resonant mode)为单极模态(monopole mode )，如图2.3-2 所示(注意2.3 节介电系 數为11.4，本节为11.56)。
基于16个网页-相关网页
试验分别采用正弦激励模态共振法和锤击激励传递函数测量法。
The resonance method excited by sine sweeping and the transfer function method excited by hammer impact are adopted.
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.
利用有限元分析软件ANSYS对这种结构进行模态分析，得到其共振频率和一阶振动图；
Then the new structure is simulated with modal analysis by finite element analysis software ANSYS, and the resonant frequency and the first vibration map are presented.
应用推荐