supported by National Natural Science Foundation of China (Grant No.50775191);National Basic Research Program of China (973 Program,Grant No.2007CB714701);PhD Programs New Teacher Foundation of Ministry of Education of China (Grant No.20090184120006);the State Key Laboratory Free Research Fund of China(Grant No. 2008TPL_T03);Science and Technology Development Fund of Southwest Jiaotong University,China
A serious wheel out-of-round phenomenon exists in a certain subway vehicle in China. More seriously, the vertical vibration of car body of this subway vehicle will go beyond the restriction of the standard criterion w...