动载荷

链传动的动载荷分析及其改善法

Analysis and improvement of live load of chain drive

因此，文中建立了P、Q与电机额定功率以及轴承基本额定动载荷之间的约束关系。

Therefore , we established the constraint relations between P , Q with the motor rated power and bearing basic rated dynamic load .

应力腐蚀指数n的大小强烈依赖于加载方式，并能作为材料抵抗裂纹扩展的某种抗力指标，循环载荷和动载荷对材料造成了附加损伤，致使在相同应力水平下材料寿命明显下降。

Cyclic and dynamic loading causes additional damage to materials and shortens lifetime .

运用MATLAB软件仿真了路面不平度、车速以及车辆结构参数对车辆动力响应的影响，得到了车辆的动载荷和动载系数。

The effects of road parameters , vehicle velocity and mechanism parameters on dynamic load are simulated through MATLAB .

以基本额定动载荷Cr作为初期优化的目标函数，选取4个设计变量，分别采用复合形法、内点罚函数法和外点罚函数法对牙轮钻头圆柱滚子轴承进行了优化设计。

By taking the maximum normal dynamic load as the objective function , the rock bit roller bearing is optimized with four variables .

结果表明基于LM优化算法的BP网络对各类动载荷识别的效果优于附加动量法BP网络和RBF网络。

The result illustrates that BP network based on LM algorithm is superior to the other two algorithms in identifying load .

基于ANSYS的斜拉桥承受动载荷的仿真与分析采用ANSYS软件仿真分析大断面特长公路隧道开挖

Simulation and Analysis of Prestressed Concrete Cable Stayed Bridge under Dynamic Loading Based on ANSYS Stimulation Analysis on Large Cross Section Extra-long Highway Tunnel Excavation

动载荷下含空气泡的TNT装药安全性能的实验研究

An experimental study on the sensitivity of TNT charge with air hole under dynamic load

轴向动载荷下弹性直杆Liapunov稳定性的一个充分条件

A Sufficient Condition for Liapunov Stability of an Elastic Column under Axial Dynamic Load

还根据流场计算得出的叶片上非定常气动载荷，用ANSYS软件进行了叶片的动应力计算，由于较为接近实际工况，所得动应力值可能具有一定的工程参考价值。

As an application , the dynamic stress of the blade was analysed with ANSYS based on the computation of unsteady flow . The result may be useful in the engineering practice .

本文综合利用Laplace变换和Fourier变换，从理论上分析了含有贯穿裂纹的层合复合材料，在动载荷作用下裂纹尖端的Ⅰ型动态应力强度因子；

Using Laplace and Fourier transform , I type dynamic fracture apex mechanical strength factors of composites are analyzed , the composite having penetrating fracture while loaded by dynamic load .

动载荷作用下HR-2钢的层裂特性

Spall Characteristic of HR-2 Steel at the Dynamic Loading

针对离散多层圆筒（DMC）在动载荷作用下研究的不足，研究了DMC在强动载荷作用下的弹性动力响应。

Considering the lack of research on dynamic response of discrete multi-layered cylinder ( DMC ), a dynamic elastic solution of DMC under intensive dynamic loading was studied .

在此基础上，以结构的材料性能参数为随机变量，计算了在动载荷状态下的圆盘的可靠度，并与Monte-Carlo法的计算结果进行了对比。

On the basis of above , the reliability of a disk structure is evaluated with the random variables in the material properties and its result is compared with that from Monte-Carlo method .

基于欧拉梁模型，将有限元法与Wavelet-Galerkin法相结合应用于车桥系统移动载荷识别中，建立了一种动载荷识别的新方法。

A new moving load identification method for the bridge-vehicle system has been proposed based on FEM and Wavelet-Galerkin method in this paper .

本文运用FEM将受周期轴向动载荷的铁木辛柯交叉梁系的动力稳定性控制方程化为Mathieu-Hill型方程，然后用谐调平衡方法得到临界频率方程。

In this paper the control equation of the dynamic stability of the Timoshenko cross beams which undergo the periodic axial dynamic load is transformed into Mathieu & Hill type equation by using the finite element method . Then the critical frequency equation is obtained with the harmonic balance method .

用IFC公式将汽轮机热力计算转化为描述水蒸汽热力性质的非线性方程迭代求根计算，从而得到快关时的气动载荷。

Using the IFC formulae the calculations of turbine thermodynamics were transformed into the iteration solution of the nonlinear equations describing the properties of the steam thermodynamics , and thermodynamic loads of the " fast closing " were obtained .

文中给出了矩形翼和后掠翼定常和非定常气动载荷的数值结果，其精度数值与DLM的相当，计算效率提高一倍。

Numerical results of the steady and the unsteady aerodynamic loading are given for rectangular wings and swept-back wings , the numerical exactness is equivalent to DLM , the calculating efficiency of DPM is twice as large as DLM .

用一级轻气炮对钨、铁、镍扩散耦施加动载荷，用能谱仪（EDX）分析钨在铁、镍中的扩散，并计算冲击压缩在铁、镍中产生的温升。

A gas gun was used to subject the diffusion couple of tungsten , iron and ni - ckel to shock loading , EDX was used to analyse the diffusion of tungsten in iron , nickel and the temperature rising in iron , nickel produced by shock compression was calculated .

本文应用数值方法分析了周期性动载荷对线接触热弹性流体动力润滑的影响，使用Ree-Eyring流变模型来描绘润滑剂的非牛顿性质。

The influence of periodic loads on the thermal elastohydrodynamic lubrication ( TEHL ) in line contacts was investigated numerically in this paper . The Ree-Eyring 's theological model was employed to describe the non-Newtonian behavior of the lubricant .

分析了长冲程抽油机传动胶带中的动载荷，重点讨论了胶带弹性及抽油机工况对动载荷的影响。SDJ-150型胶带输送机传动装置的改进

This thesis on research dynamical loads on rubber transmitting belts used in driving pumping unit with long-stroke , especially the influence of the elasticity on rubber transmitting belts and work condition is discussed . Analysis on improving the SDJ - 150 rubber belt conveyer gearing

基于动载荷的齿轮传动系统瞬态弹流润滑分析

Transient Elasto-Hydrodynamic Lubrication of Gear Transmission System Based on Dynamic Load

直升机升力面气动载荷研究

The research of aerodynamical load for the lift surface of helicopter

动载荷下弹塑性结构塑性位移的上界

Upper bounds for plastic displacements of elasto-plastic structures under dynamic loading

复杂分布动载荷识别技术研究

Research of identification technology of dynamic load distributed on the structure

地铁动车转向架电机垂向动载荷取值研究

Research on the Motor 's Vertical Dynamic Load of Metro Bogie

垂向动载荷下桶形基础响应实验研究

Experimental study on the bucket foundation responses under vertical vibration load

齿条变幅机构制动过程的动载荷分析

Analysis of Dynamic Load in Braking process for Rack Luffing Mechanism

800吨剪床压板系统动载荷试验研究

Determination on dynamic load of clamp system of a 800t shear

连续结构模型的随机动载荷识别

Research on Identification of Random Loads Acting on Linear Structure Model