精妙论文之 国立中兴大学精密工程研究所硕士论文 - docin.com豆丁网 AW resonator 和其等效电路 一般常见是以Cross & Schmidt 和Abbott 所提出的模态耦合模型(Coupling of Modes，COM)理论[17]分析表面声波元件。不过由于此理论较繁杂，所以我将利 用近似的公式来分析SAW reson
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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.
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