【摘要】 利用有限元分析软件ANSYS建立了箱形钢轨道梁的三维分析模型 ,并利用ANSYS中的模态分析技术对其振动特性进行了分析 ,获得了轨道梁的自振频率和振型 ,对轨道梁的工作特性有了初步的了解 ,为将来对轨道梁进行安全监测和状态评估提供了必要的信息和研究基础。更多还原

【Abstract】 A 3-D finite element model of the steel box rail beam for straddle single-track transit system is established with finite element analysis program ANSYS.The dynamic behavior of the beam is then analyzed with ANSYS,and the free vibration frequencies and modes of the beam are thus obtained.The analytic results may provide essential information and important research basis for monitoring the safety and evaluating the condition of the beam.更多还原