Modeling, solution and postprocessing of tail rotor are performed by using ANSYS8.0,results show the practicability and effectiveness of the proposed interval analysis method.

• 尾桨的建模、计算及后处理工作均是在大型工程分析软件ANSYS8.；0中完成的；结果表明了区间分析方法的实用性和有效性。