In this paper, the FEA model of a three-wheel vehicle frame was established by taking shell as a basic unit.The analysis of static, dynamic and random vibrations was made by using ANSYS FEAS.

• 摘要建立了以板壳单元为基本单元的三轮农用运输车机架有限元计算模型，利用有限元分析软件ANSYS对其进行了静态、自由振动和随机振动分析。