首先建立了推进轴系的两个扭振模型，并进行了轴系的扭振计算。
Firstly two torsional vibration models were built up and a calculation of their torsional vibration was made.
最后还列举了实际算例的扭振计算，证明此方法在解决船舶推进轴系扭振计算方面是一种有效、方便的方法。
The new method is able to solve torsional vibration of the shafting with branches and has been successfully used in many cases.
利用开发的TVCA-1软件对汽车动力传动系进行了较全面的扭振计算分析，讨论了系统在不同档位下的固有特性。
Using the TVCA-1 software developed to calculate and analyze in detailed the power driveline of vehicle, the inherent characteristics in different gear locations were discussed.
本文分析了内燃机曲柄连杆机构往复运动件的高谐次运动对轴系惯量变化和固有频率的影响，并对一多缸机轴系进行了扭振计算。
The effects of high order motions of reciprocating parts on the variation of inertias and natural frequencies of crankshaft system are discussed in this paper.
最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
从分析结果可以看出，二维计算才能真实地反映出水闸单墩的模态特性，并且水闸扭振的影响是不可忽略的。
The calculated result indicates that the two dimensional analysis can really reflect the modal characteristics of the sluice, and the effect of the twist vibration of the buttress cannot be neglected.
计算结果表明，机组扭振频率避开了工频与倍频，轴系不会因共振而破坏。
The calculation result indicates that the torsional vibration frequency will avoid from power frequency and multiple frequency.
在各种复杂的分支传动扭振系统中，由于计算工作量大而对计算机内存及速度提出了一定的要求。
In complex branched transmission systems, the calculation of the torsional vibration demands the computer to have more memory and fast speed.
对柴油机轴系扭振的研究，以往是先建立扭振当量系统，然后进行自由振动与强制振动计算。
In the previous research on torsional. vibration of diesel engine shafting system, an equivalent system must be defined before calculating free vibration and forced vibration.
进而在符合机床实际加工状态的边界约束条件下，利用传递矩阵法对传动链扭振特性作了计算分析。
Under new boundary restraint condition in accordance with the actual working condition of the machine, the torsional freqency response is computed with complex transfer matrix method.
就大型汽轮发电机模型中饱和参数对汽轮发电机组轴系扭振响应计算的影响进行了详细的研究。
This paper discusses the effect of saturated parameters appearing in the mathematical model of a large turbogenerator on the response calculation of shaft torsional vibration.
轴系扭振频率和响应计算采用连续质量模型，次同步谐振特性分析采用集中质量模型。
The continuous model is adopted in the torsional vibration frequency and resonance of shaft system, the lumped parameter equivalent applied in the sub-synchronous resonance.
介绍了汽轮发电机组轴系扭振模拟系统的设计原则，利用雷卡迪传递矩阵分析计算了汽轮发电机组轴系扭振的固有特性。
The paper introduces the principle of torsion vibration simulator on turbo-generator rotor system, and computes natural characteristics using Riccati matrix.
分析了粗轧机主传动扭振模型及动态特性计算方法。
The analytic model and dynamic response solution for torsional vibration of main driving system on rougher of rolling mill were studied.
通过对轮系扭振强度计算，科学及时地作出了更换主轴的决定，并适当加大了新主轴轴颈直径。
By means of calculating the shafting torsional strength, a decision of replacing the main shaft by new one, whose bearing diameter is increased, was made reasonably and duly.
每一段的扭振方程可精确求出，然后，根据边界条件和连续条件可将扭振固有频率计算出来。
The torsional vibration equation can be solved exactly in every segment, then the natural frequency is given by using continuous conditions and boundary conditions.
首先建立了推进轴系的扭振模型，并进行了扭振特性计算。
Firstly the torsional vibration model of the propulsion shafting was built up and its performance parameter was calculated.
首先建立了推进轴系的扭振模型，并进行了扭振特性计算。
Firstly the torsional vibration model of the propulsion shafting was built up and its performance parameter was calculated.
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