The formation of fluid dynamic force and the occurrence of self-excited vibration and oil film vortex of rotor system are analyzed.
分析了转子轴承系统中流体动态力的形成和自激振动的产生与油膜涡动、油膜振荡的故障。
The cause of severe vibration is the formation of a self-excited vibrating system by the joint of the gap jet and turbulent flow downstream the gate.
闸门产生强烈振动的主要原因是闸门侧缝射流和下游紊动水流汇合后在门侧形成了自激振荡系统的结果。
By examining the test results of vibration for a few Bridges, it is found that train formation has a strong effect on bridge vibration responses.
通过对两座桥梁振动测试结果的分析，发现列车编组对桥梁振动响应很有影响，且这一现象过去常常被忽略。
On the basis of the interaction model between formation and rock bit, a lateral vibration dynamic model of the rock bit was established under the interaction between drilling string and rocks.
在建立牙轮钻头与井底岩石互作用模型的基础之上，建立了基于钻柱和岩石互作用下的牙轮钻头横向振动动力学模型。
Theauthor quantitatively analysed the formation of stationary wave and its transmission without vibration, phase, wave form and energy to apply theory to practice.
本文分析了驻波的形成及其振动、相位、波形、能量驻立的特征。使驻波实际应用中，有一个清晰的概念。
By simulating the track irregularities with trigonometric series method, the train-bridge coupling vibration equations are established based on the combined modal of train formation and the bridge.
利用三角级数法模拟了轨道的不平顺，采用列车编组和桥梁组合的模型，建立了车桥耦合振动方程。
The damping mechanisms of viscoelastomeric materials under the vibration waves and the formation mechanisms of the wide range glass transition of micro phase separation IPNs systems are reviewed.
阐述了粘弹性材料在振动波作用下的阻尼机理，指出声波法和模量法的统一性。 综述了互穿聚合物网络技术要点，并解释相分离体系宽玻璃化转变区间的形成机理；
Advanced sensors measure inclination, azimuthal gamma ray, whirl, stick-slip, vibration, and other drilling parameters for early detection of formation and borehole dynamic changes.
先进的近钻头传感器可实时测量地层早期参数和井眼动态变化系列参数，比如倾斜度、伽马射线方位角、转角度、粘滑、振动及其他钻井参数。
The effective ways to achieve the wider fiber formation regions can be obtained by increasing the cutting speed and the relief angle of tool, and decreasing the frequency of vibration staff appr…
提高切削速度、降低振动杆固有频率、适当增大刀具后角是扩大纤维生成域的有效途径。
By examining the test results of vibration for a few Bridges, it is found that train formation has a strong effect on bridge vibration responses.
利用三角级数法模拟了轨道的不平顺，采用列车编组和桥梁组合的模型，建立了车桥耦合振动方程。
By examining the test results of vibration for a few Bridges, it is found that train formation has a strong effect on bridge vibration responses.
利用三角级数法模拟了轨道的不平顺，采用列车编组和桥梁组合的模型，建立了车桥耦合振动方程。
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