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《Flight Dynamics》 2008-02
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Application of Thrice Spline Method in the Calculation of Aerodynamic Derivatives

LI Peng,GU Hong-bin,GAO Zhen-xing(College of Civil Aviation,Nanjing University of Aeronautics and Astronautics, Nanjing 210016,China)  
In modeling procedures of flight simulation,looking up aerodynamic derivatives fast and accurately can improve the verisimilitude and real-time of simulation system.By researching existing look-up methods of aerodynamic derivatives,this paper puts forward a new method of looking up aerodynamic derivatives using a thrice spline method and a double thrice spline method.This method not only avoids "locality" of conventional linear interpolation and advances the precision of results,but also gets over limitation of universality of a flight dynamic model resulted from fitting function(polynomial).The simulation experiment proves that this method is effective and feasible in the computational process of aerodynamic forces and aerodynamic moments.
【CateGory Index】: V212.1
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【Citations】
Chinese Journal Full-text Database 1 Hits
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【Co-citations】
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3 ZHANG Bang-chu 1, HAN Zi-peng 1, SHU Jing-rong 2, FAN Yan-fei 1(1. School of Power, Nanjing University of Science &Technology, Nanjing, Jiangsu 210094,China; 2. Artillery Academy of PLA, Hefei, Anhui 230031, China);Application of Adaptive Wavelet Based on Lifting Scheme in Simulation Data Filter of Guided Bomb[J];Acta Armamentarii;2005-02
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10 Qin Xiaobo (Beijing Institute of Astronautical Systems Engineering,Beijing,100076) Ou Haiying Zhang Weihua(National University of Defense and Technology, Changsha, 410073);Visualization on the Virtual Prototype of Solid Missile[J];Missiles and Space Vehicles;2002-04
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