螺旋桨空泡会降低螺旋桨性能，产生空化剥蚀和噪声，从而导致船体振动。
Propeller cavitation degrades propeller performance, erodes blade surfaces, produces noise, and causes vibration on the ship hull.
文章认为在船尾型线设计中若不考虑横剖线的UV度、各水线去流角大小等对船体振动的不利影响，很可能会导致艉部水流异常；
This paper posits that the flow at stern will be unusual if designing stern lines without considering of U or V of body lines and exit angle of water lines;
当用梁理论计算船体振动的高谐调特性时，理论计算值与实际试验量测值有较大偏差。这样，梁理论不能作为计算高协调振动的一个实际可用的方法。
When the beam theory was used to calculate ship hull vibration, greater discrepancies were found between theoretical calculations and actual measurements especially at higher-modes.
采用动态刚度阵法计算船体总振动的固有频率。
Dynamic Stiffness Matrix Method is applied to compute vibration of ship hull.
船体中外壳和上部振动评价，报告，测量指南。
Guide for the Measurement, Reporting, and Evaluation of Hull and Superstructure Vibrations in Ships.
研究螺旋桨空泡及其诱导的船体脉动压力的预报方法，对于减小其引起的船尾振动和辐射噪声是极其重要的。
It is very important to study methods for predicting propeller cavitation and induced fluctuations in order to reduce vibrations and noise on ships.
将船体与浮筏装置作为一个系统，建立其三维有限元振动分析模型；
The finite element analysis was carried out with ANSYS software and the performance of vibration isolation was surveyed through the experiment.
大型船用柴油机曲轴红套滑移以后，船体和轴系分别出现明显的振动和扭转振动。
After slipping of crank shaft sleeve in large Marine diesel engine, there will appear obvious vibration and twisting on the hull and shaft system.
船舶尾部结构的振动问题应同时从船体总振动和尾部结构的局部振动两方面来考虑。
Both the ship hull vibration and the local vibration of ship stern structures should be taken into consideration in the vibration problem of ship stern structures.
本文介绍引起船体稳态振动的柴油机及螺旋桨激振力的计算方法。
This paper introduces the calculating methods of diesel engine and propeller induced forces which often result trouble in ship hull steady vibration.
探讨了焊接残余变形、残余应力对船体板振动频率的影响。
The influences of the welding residual deflections and stresses on the plating vibration were discussed.
本文采用简易高效的方法分析了受压缺陷船体板的振动问题。
A simplified and efficient method was developed in order to analyze the vibration problem of axially compressed, imperfect ship plating.
采用有限元法研究了动力吸振器减小船体梁结构谐波振动响应的有效性。
The study of the effectiveness of the dynamic vibration absorber in reducing harmonic response of the ship hull girder using the finite element method is presented.
最后以一货柜轮之有限元素动态分析模拟与实船量测结果为例进行船体整体振动之态特性识别。
Finally, the present method is applied to the modal identification from the I/O data of FEM dynamic analysis and on board measurement for a container ship.
浮筏隔振系统能够明显地抑制从机器到船体的振动传递，在舰艇动力机械减振降噪领域得到了广泛应用。
Floating raft isolation system can obviously restrain vibration from machine to the hull, thus has been widely applied in naval power machinery anti-vibration noise reduction fields.
并通过建立各种计算模型，对七万吨自卸船进行了船体总振动、舱室局部结构振动、机舱底部板架振动和上层建筑振动的计算分析。
By the different calculation models, the hull general vibration, the cabin local vibration, the grillage vibration in the engine room as well as the superstructure...
首先，将二维梁振动理论与三维船体湿表面网格划分方法相结合，提出了一种适用于三维水弹性分析的浮体湿表面网格划分方法。
Firstly, a new mesh generation method for 3-d hydro-elastic analysis is proposed with the combination of 2-d Timoshenko beam theory and 3-d wetted surface mesh generation method.
首先，将二维梁振动理论与三维船体湿表面网格划分方法相结合，提出了一种适用于三维水弹性分析的浮体湿表面网格划分方法。
Firstly, a new mesh generation method for 3-d hydro-elastic analysis is proposed with the combination of 2-d Timoshenko beam theory and 3-d wetted surface mesh generation method.
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