In the following chapters, we studied the method of building the parametrical model and the FEM analyzing.Then we complete the size optimization job in order to lighten the bogie.

• 在此基础上完成了以轻量化为目标的转向架结构尺寸优化,对优化的结果进行了静力学分析,并与理论分析的结果相互验证,得到了有实际应用价值的结论。