Quasi-static Test Technique Research on Railway vehicle Energy-absorbing Device
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    Abstract:

    The test research method is the most direct and persuasive research method for railway vehicle energy absorbing advice crash-worthiness. In view of the current situation that few domestic literatures studied energy absorbing device crash-worthiness by test, a quasi-static test method is designed for railway vehicle energy absorbing device and carried out on some metro train energy absorbing device, the two key characteristics of compression force and compression stroke for energy absorbing device are obtained. According to the test boundary conditions, the equivalent simulation analysis model is established, the crash-worthiness of the energy absorbing device is studied and simulation results is compared to the test result. The research result shows that the designed quasi-static test method is feasible and can meet the needs of practical engineering. The simulation result is in good agreement with the test result, which verifies the accuracy of the analysis results and the validity of the test method, the combination method of test and simulation analysis provides theoretical and experimental support for energy absorption characteristics and subsequent structural optimization of energy absorption device.

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  • Online: April 18,2019
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