CFD和MDO技术在乘波飞行器设计中的应用综述

乘波飞行器由于其具有高升阻比特性而成为国内外高超声速飞行器研究的热点。介绍了乘波飞行器的研究进展，在此基础上阐述了乘波飞行器设计对先进设计技术的需求。重点讨论了计算流体力学（CFD）技术和多学科设计优化（MDO）理论与方法在乘波飞行器设计中的应用现状。提出了今后应重点对高超声速飞行条件下乘波飞行器的动态气动特性进行全面的数值模拟研究．大力开展包含可靠性和经济性分析的乘波飞行器多目标多学科设计优化研究。随着MDO方法在乘波飞行器设计中的深入应用，CFD必将发挥更大的作用，共同促进乘波飞行器的快速发展。

Survey on the Application of CFD and MDO in the Design of Waverider-Derived Vehicles

The waverider- derived vehicles have high lift- to- drag ratio. Because of this advantage in aerodynamics characteristic, the research of waverider-derived vehicles has been the hotspot in the design of hypersonic vehicles. The research progress of waverider-derived vehicles was introduced. On the basis of this introduction, the requirement for advanced design technology in the design of waverider-derived vehicles was elaborated. The application status of CFD and MDO in the design of waverider-derived vehicles was mainly discussed. There are two emphases in the further research, one is the comprehensive numerical research on the dynamic aerodynamics characteristic of waverider- derived vehicles under hypersonic conditions,the other is the multi-objective multidisciplinary design optimization of waverider-derived vehicles including reliability and economy analysis. With the thorough application of MDO in the research on the waverid- erderived vehicles, CFD will act more and more important functions. Both of them will accelerate the development of waverider-derived vehicles.