Open AccessAnalysis of Vibration Fatigue of A Subway Shunting Train
Author(s) -
Weipeng Fan,
Ronghua Li,
Xiujuan Zhang,
Man Tian,
Dan Zhao
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1605/1/012066
Subject(s) - vibration , shunting , modal analysis , vibration fatigue , structural engineering , natural frequency , finite element method , modal , superposition principle , mode (computer interface) , frequency domain , spectral density , engineering , acoustics , computer science , mathematics , mathematical analysis , materials science , physics , medicine , telecommunications , polymer chemistry , operating system
In order to research the fatigue life of a subway shunting train, the power spectrum density (PSD) is used to calculate the vibration fatigue based on frequency domain analysis. Through pre-stressed modal analysis in finite element simulation, the natural frequency and vibration mode are obtained. Then harmonic response is used to get the frequency response function (FRF) based on the modal superposition method. Then the solution is imported into Ncode Designlife. After using the Lalanne method to process PSD curve and the Goodman method to correct the mean stress of the estimated S-N curve, the vibration fatigue damage of the shunting train is obtained, so as to evaluate its vibration fatigue. The result will provide a certain theoretical basis for the fatigue study of shunting train.