Dynamical Performance Simulation of the Pantograph-Catenary Coupled System Based on Direct Integration Method
Dynamical Performance Simulation of the Pantograph-Catenary Coupled System Based on Direct Integration Method
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发表时间：
2008
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通讯作者：
Z. Weihua
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作者：
Z. Weihua
根据提速铁路采用的接触网和受电弓的结构和动力特性，采用有限元方法建立了接触网的有限元模型，并将受电弓简化为具有质量、刚度和阻尼力的多体系统。基于接触单元，推导了受电弓-接触网系统的耦合运动方程。采用直接积分法求解了耦合运动方程，得到了提升位移量、接触力和动应力。并与前人的研究数据进行了比较。结果表明，基于接触单元和直接积分法的计算方法可以直接用于弓网耦合系统的动力行为分析。
According to the structures and the dynamic performance of the stitched catenary and the pantograph adopted for the speed-increased railway the model of the catenary including support wire,dropper,contact wire and assistant wire is established with the finite element method,and the pantograph is also simplified as a multi-body system with mass,stiffness and damping.Furthermore,based on the contact element,the coupled motion equation of the pantograph-catenary system is derived.With direct integration method,the coupled motion equation is solved and the lifted displacement,contact force and dynamic stress are obtained.Subsequently a comparison with the previous research data has been performed,the results show that the calculation method based on the contact element and direct integration method can be directly used for the dynamic behavior analysis of the pantograph-catenary coupled system.