模态试验和仿真计算的对比分析结果表明，所建立的白车身有限元模型较好地反映了原结构的振动特性。
The contrastive analysis of modal test and simulation computation show that the finite element model of body-in-white has well represented the vibration characteristics of the original structure.
本文给出拖拉机-拖车系统结构动力特性与随机振动响应分析的实用计算方法。
In this paper, the methods of dynamic characteristic and random vibration response analysis for the structure of tractor-trailer system are presented.
利用杆件结构有限元动力分析计算，并通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through beam structure finite unit dynamic analysis and experiment of RC model beam, we build the relationship between beam bridge attached load vibration characteristics and damaged model.
分析了偏心链轮传动机构的运动学与动力学特性，确定了偏心链轮的振动方程、速度与加速度计算方程和从动轮的运动规律。
This article analyzed the kinematic and dynamic characteristics of cam chain wheel gearing, and put forward the vibrancy equation, speed equation and acceleration equation of cam chain wheel.
计算方法和结论可供相关人员参考，同时为今后研究在复杂振动情况下飞机元件的动态特性分析奠定了基础。
The results and discussions are given as references for relevant researchers., meanwhile a research base for the dynamic characteristics analysis of airplane parts with Complex vibration is provided.
还通过实例计算对斜拉索大幅振动特性进行了讨论分析。
The large amplitude vibration character of stay cables is discussed via calculation of concrete examples.
本文利用结构振动理论对自行车车架与前叉组成的车体结构系统进行了振动特性分析，计算了前叉的动应力。
In this paper, vibration characteristic analysis is carried out for the system of bicycle structure, composed of its frame and fork.
对某火炮身管固有振动特性进行了分析，计算得到了振动频率和振型。
Natural vibration characteristic of gun tube was analyzed triumphantly. Vibration frequency and mode shape were obtained.
数值分析时采用粘弹性材料等效处理方法模拟电流变材料，计算得到的结构振动特性与实验结果吻合较好。
By means of simulating er material with equivalent viscoelastic material, the numerical results of the structural characteristics match well with the experimental results.
用有限元传递矩阵法分析火炮身管固有振动特性，矩阵阶次低，计算所得的固有频率与实际固有频率接近，误差在允许的范围内。
Matrix step is low by using the finite element transfer matrix method. Natural frequency by calculation approaches to actual natural frequency and the error is allowable.
在可调减振器的设计基础上，分别对车辆阻尼优化前后进行了试验，分析了车身与驾驶员座椅处的振动特性，计算与试验基本吻合。
A turnable damping was designed, and based on these, the road tests were done, analytical study on vibration performances of passenger seat were carried out, and the results were accordant.
考虑到不同损伤存在形式，计算分析了损伤对振动频率、模态以及声辐射特性的影响。
Influences of various types of damages on natural frequencies, vibration modes, acoustic radiation power and directivity of sound are studied.
本文研究了通过凸缘和弹性材料耦合板结构间振动传递特性，分析了减振隔振措施，导出了耦合损耗因子的计算公式。
This paper describes an investigation into the vibrational transmission between plate structures coupled through flanged joints, including the effects of gasket materials.
本文给出了分析导弹弹体含有内部结构梁的横向弯曲振动特性的计算方法，特别是可用来计算导弹内部结构梁的局部振动频率和模态。
An analytical method is presented in this paper for calculating the lateral bend vibration characteristics of the missile including the inner structure beam in the missile body.
说明了用ANSYS软件在对轴流通风机叶轮的振动特性分析上是一种先进方法，也可以用于通风机的计算机辅助设计。
It is an advanced method that use ANSYS to analyze the vibrating characteristic of axial fan impeller. It can be also used in fan CAD.
本文运用理论分析、试验研究和计算机模拟相结合的方法，对拖拉机变型运输机的振动特性进行系统的研究。
The theory analysis, experiment test and simulation by computer are utilized to research the vibration characteristics of transporters converted from tractors in this paper.
在齿频误差中，分析了齿形误差、压力角误差和螺旋线波度误差激振下，转子系统的非线性振动特性，并与按线性模型计算的结果进行了对比。
Of all the gear frequency errors, the non-linear dynamic characteristics of gear tooth error, pressure angle error and sprial fluctuation error are compared with the results of the linear system.
针对600MW汽轮发电机转子-轴承系统，采用ANSYS计算了转子固有频率，分析其振动特性。
Aiming at 600mw turbo-generator rotor-bearing system, the natural frequencies of rotor are calculated by ANSYS to analyze the vibration characteristics.
从二维周期性结构的振动方程出发，建立二维带隙计算模型，并在此基础上分析带隙与材料结构特性的关系。
By analyzing the vibration model of two-dimensional (2d), the elastic wave band gaps of 2d were calculated and the connection of the elastic wave band gaps with material characteristic was studied.
同时作线性处理，计算一个简单模型的固有频率，为旋翼与机身藕合系统的振动特性和响应分析提供一种新模型。
The equations of couple rotor fuselage are linearized . An example is given and this paper provides a new model for analysis of coupled rotor fuselage dynamics.
使用有限元传递矩阵法分析了某大长径比弹箭的固有振动特性，成功求得了其固有振动频率和振型函数，计算结果得到试验验证。
Vibration characteristic was calculated by using finite element transfer matrix method of multibody system and modal test was completed for a certain naval gun.
在对旋转抽油杆柱的扭转振动分析的基础上，给出了各阶扭转振动固有特性参数的计算式。
On the basis of the analysis of the twisting vibration of rotary sucher-rod string, a formula of calculating every harmonic vibration eigenfrequency is presented.
建立了齿轮结构三维有限元分析模型，通过频响分析计算，获得结构振动响应特性参数。
The vibration response characters were computed based on the 3 - D FE model of a gear with software ANSYS.
建立了齿轮结构三维有限元分析模型，通过频响分析计算，获得结构振动响应特性参数。
The vibration response characters were computed based on the 3 - D FE model of a gear with software ANSYS.
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