北京航空航天大学学报 ›› 2003, Vol. 29 ›› Issue (3): 193-196.

• 论文 • 上一篇    下一篇

复杂地形上空超低空风场的工程仿真方法

刘刚, 洪冠新, 金长江   

  1. 北京航空航天大学 飞行器设计与应用力学系
  • 收稿日期:2001-09-10 出版日期:2003-03-31 发布日期:2010-09-27
  • 作者简介:刘 刚(1977-),男,辽宁沈阳人,硕士生,100083,北京.

Engineering Simulation Method for Airfield overComplex Terrain at Minimum Altitude

Liu Gang, Hong Guanxin, Jin Changjiang   

  1. Dept. of Flight Vehicle Design and Applied Mechanics, Beijing University of Aeronautics and Astronautics
  • Received:2001-09-10 Online:2003-03-31 Published:2010-09-27

摘要: 为描述飞机在低空突防时的外部环境,用多重山脉和多种地貌设计构造了飞机超低空飞行时的复杂地形,同时,基于位势流动理论建立了复杂地形及其上空风场的工程化仿真模型,并进行了算例仿真和分析.该方法可以满足分析飞机做超低空飞行的动力学特性的需要.

Abstract: To describe the exterior environment where airplanes fly at low altitude, complex landform for minimum altitude flying was formed by planning multiple mountain ranges and many kinds of physiognomies. On the basis of potential flow theory, an engineering numerical simulation model was set up to simulate the complex landform and the airfield over it. The results of a digital simulation example showed that the method is applicable for analyzing the dynamics and track characters of an airplane flying at minimum altitude.

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