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- According to the coupling relation of wheel rail contact,a direct method is proposed to evaluate wheel derailment based on the wheel rail contact point. 根据轮轨空间动态耦合关系,提出了一种根据轮轨接触点位置进行脱轨评定的直接方法,可用于对机车车辆动力学安全性分析评价。
- Algorithm for Wheel Rail Contact Geometry 一种轮轨接触几何算法
- Welded rail tunnels used mobile CWR rail contact welding method for China's domestic initiative. 隧道内焊轨采用移动式无缝线路钢轨接触焊施工方法，为中国国内首创。
- A new Rotor-to-Stator contact model is well developed, which consists of a rotor with two discs mounted on a massless shaft and a stator. 建立了一个新型多自由度的转子动静碰摩模型。
- Uneven surface effect on temperature distribution of wheel and rail contact 表面不平顺对轮轨摩擦温度场的影响
- In order to analyze the bearing mechanism of belied pier with different dimensions, by three-dimensional finite element, a contact model of pier and soil was established. 摘要为了分析不同尺寸条件下扩底墩的承载机理，利用三维有限元，建立墩土接触模型，分析不同墩身长度、扩底直径以及扩大头锅底高度时扩底墩的承载性状。
- The Wheel Rail Rolling Friction and its Control 轮轨间滚动摩擦及其控制
- According to the basic finite element theory in the pile-soil structure,the contact model of single pile-frozen soil spatial system is erected and analyzed statically using ANSYS. 根据桩土结构的有限元基本理论,基于ANSYS有限元软件平台,采用三维接触单元建立单桩桩-冻土空间体系的接触模型进行静力分析。
- In the experiment, contact force of unconfined particle layer in the impact crushing course was measured and the contact parameters were estimated based on bilinear contact model. 试验结果表明,有物料层的钢-物料层-钢冲击破碎,其恢复系数和接触刚度远小于无料层的钢-钢冲击,并随物料层厚度的增大而减小,但物料粒度的影响较小。
- In order to analyze the bearing mechanism of belled pier with different dimensions,by three-dimensional finite element,a contact model of pier and soil was established. 为了分析不同尺寸条件下扩底墩的承载机理,利用三维有限元,建立墩土接触模型,分析不同墩身长度、扩底直径以及扩大头锅底高度时扩底墩的承载性状。
- According to the problem of disc brake squeal of one car, on the basis of the model in the entity the finite element model and coupling contact model were established. 摘要针对某轿车盘式制动器的制动尖叫问题，在实体模型的基础上建立了制动器各主要部件的有限元分析模型和耦合接触模型。
- A thermal elasto-plastic contact model which can take into account the effects of temperature-dependent yield strength was developed by using finite element method. 应用有限元方法建立了可考虑屈服应力温度相关效应的粗糙表面热弹塑性接触模型。
- Wheel rail transportation system for super large concrete box beam 超大型混凝土箱梁轮轨运输体系
- Application of Support Vector Regression to Calculation of Wheel Rail Hertz Elastic Contact 支持向量回归在轮轨Hertz弹性接触计算中的应用
- Hertz contact model was used to deal with normal impact force, and Hertz tangential contact model and Coulomb friction model were used to deal with static tangential impact force and slip frictional force, respectively. 用Hertz接触模型处理法向撞击力,分别用Hertz切向接触模型和Coulomb摩擦力模型处理粘滞状态和滑动状态的摩擦力。
- Methods and Advances in Study of Wheel Rail Noise for Europe Railway 欧洲铁路轮轨噪声研究方法和进展
- In this paper, the area contact model of depletion layer width under avalanche breakdown in Si epitaxial wafer by a three-probe method is analysed. The theory accords with experimental results. 本文分析了三探针测试硅外延片中雪崩击穿时耗尽层宽度的面接触模型,理论和实验结果吻合。
- It's cheaper to ship goods by road than by rail. 公路运输比铁路运输便宜。
- If I fall asleep at the wheel wake me up. 如果我开车时睡着了，就叫醒我。
- Effect of Wheel Rail Structure Parameter on Stability of Train Movement 轮轨结构参数对列车运动稳定性的影响
