轨道不平顺是引起车体振动加速度、轮轨作用力和轮轨噪声增大的主要因素之一。
Track irregularity is one of the factors that make the increase of car body vibration, wheel-rail interaction force and wheel-rail noise.
研究目的：为了研究轨道不平顺对轮轨作用力的影响，从而为钢轨焊接接头不平顺限值提供技术依据。
Research purposes: By analyzing the effect on impact force between wheel and rail by track irregularity, technical evidences on limit of irregularity on rail welded joints are provided.
研究目的：为了研究轨道不平顺对轮轨作用力的影响，从而为钢轨焊接接头不平顺限值提供技术依据。
Using this model, the dynamic responses of the rail joints are calculated, which provides the theoretical basis for raising speed of Jing Jiu Railway.
为分析弹性钢轨扣件轨道的轮轨作用力，通过建立地铁车辆弹性扣件动力分析模型，分析了扣件刚度、列车运行速度等对轮轨作用力的影响。
This paper sets up a dynamic analysis model of subway vehicle-elastic fastener and analyzes the influence of fastener stiffness, train operation speed on the wheel-track force.
钢轨垫层和道床的刚度、轨刚度和扣件扣压力是影响轮轨之间作用力和轨距扩大的主要因素。
The elastic rigidity of rail pad and ballast stiffness of rail and clamping force of fastener are the main factors that cause the widening of gauge.
通过编写子程序将非线性的轮轨相互作用力定义为子模型，与系统的键图模型相连接。
The nonlinear wheel-rail interaction forces can be included in the bond graph model as submodels which are defined by writing subroutines.
列车荷载分为两部分：车体轴重和轨道不平顺引起的轮轨动力作用力。
The source of vibration excitation is divided into two components: the axle load and the roughness-induced dynamic loads.
列车荷载分为两部分：车体轴重和轨道不平顺引起的轮轨动力作用力。
The source of vibration excitation is divided into two components: the axle load and the roughness-induced dynamic loads.
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