该文以一拖拉机驾驶室模型为研究对象，建立了其声振耦合的有限元分析模型，计算了该驾驶室模型的声学模态和声振耦合模态。
In this paper, a structural-acoustic model of a model tractor cab for finite element analysis was established, and the acoustic modal and the coupled structural-acoustic modal were analyzed.
通过对有限元模型进行模态分析和机电耦合分析，探讨了定子换能器的固有频率和定子结构尺寸以及两者之间的关系。
Through simulative analysis of finite element model and mechanical-electric coupled, the natural frequency of stator energy converter and stator's dimensions and their relation were discussed.
该模型的计算结果表明，立管的模态振型、模态频率与涡激振动响应高度耦合，并且对于低质量比的情况尤为明显。
It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.
将一类平面磨床主轴系统简化为耦合双弹性梁结构，用模态综合法建立其动力学模型。
Let the spindle system of a kind of plane grinding machine be simplified to a structure of coupled double-elastic beam and using modality synthetic method to establish its dynamic model.
当前线性模态声音模型与它们的频率成分紧密耦合，因此物体表面的模态振动和由此产生的声音辐射取决于振动频率。
Current linear modal sound models are tightly coupled with their frequency content. Both the modal vibration of object surfaces and the resulting sound radiation depend on the vibration frequency.
其次建立该整车的刚柔耦合动力学模型，并进行越野路、强化路等路面的整车动力学仿真，得到相应的模态位移时间历程；
Secondly, the whole vehicle rigid-flexible coupling modal equipped with the frame is built and analyzed to obtain the load histories through driving on cross-country path and strengthen-road .
其次建立该整车的刚柔耦合动力学模型，并进行越野路、强化路等路面的整车动力学仿真，得到相应的模态位移时间历程；
Secondly, the whole vehicle rigid-flexible coupling modal equipped with the frame is built and analyzed to obtain the load histories through driving on cross-country path and strengthen-road .
应用推荐