Simulated Analysis of Fluid-Structure Coupling of High-Speed Train Pantograph Based on STAR-CCM+and ABAQUS
A calculation method based on STAR-CCM+and ABQUS data exchange technology was used to analyze the fluid-structure coupling of a high-speed train pantograph under the aerodynamic disturbance.The flow field calculation results were compared with the wind tunnel test results to verify the accuracy of the simulation calculation results.This paper analyzed the pressure distribution characteristics of the flow field around the pantograph,the deformation of the coupling components,and the equivalent stress parameters during the operation of the train on the open track.The calculation results indicate that the pressure difference resistance of the bow head is an important component of aerodynamic resistance.The connection position between the bow head and the upper arm rod has the maximum vertical displacement,reaching upto 99.35 mm.The average vertical deformation displacement of the bow head is expected to reach about 60 mm.The maximum stress of the upper frame weld can reach 25.71 MPa,and the allowable stress and safety threshold of the weld meet the standard requirements.The calculation results provide important guidance for the optimization design of high-speed train pantographs in real scenarios.
high-speed trainpantographflow field distributiondeformationstress analysisnumerical simulation
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