Based on the analysis of advanced composite structure design and its optimal methods , the author in this thesis sophisticatedly discusses the applied optimal design techniques of composite layered panel tail - structure of a developing aircraft in the phase of theoretical layout design by using ansys system 本文在分析复合材料结构设计技术及优化设计方法的基础上,应用ansys软件环境,系统深入地研究探讨了某型在研飞机平尾复合材料结构打样设计阶段的实用优化设计技术。