Noise within a tractor cab is concerned with the noise sources of the tractor and the acoustic characteristics of the cab itself.
拖拉机驾驶室内噪声的大小与拖拉机噪声源及驾驶室本身的声学特性有关。
Vulnerable parts in tractor cab are found by using stress measurement, vibration tests and finite element approach, and verified by fatigue tests on vibration test table.
本文通过电测应力、振动测试及有限元计算找出驾驶室的薄弱环节，并在振动试验台上进行疲劳试验验证。
In this thesis, a relatively systematic study of noise prediction from low-frequency tractor cab has been done. It provides a certain theoretical basis for reducing cab noise.
本文对拖拉机驾驶室内低频噪声预测进行了比较系统的研究，对降低驾驶室内噪声具有一定的理论依据和设计参考。
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.
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.
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。
应用推荐