气动特性计算，包括全机焦点，升力系数，极曲线，动导数等-Calculation of aerodynamic characteristics, including the focus of the whole machine, lift coefficient, polar curves, such as dynamic derivatives

适用于飞机概念设计，可以计算飞机的动静稳定性导数等。(Applicable to aircraft conceptual design, aircraft dynamic and static stability, derivatives and so on.)

Tornado，改进涡格法的MATLAB程序。自带NACA翼型库，是比较成熟的程序。简单好用。(This is the new webpage for Tornado Vortex Lattice method. Tornado is a Vortex Lattice Method for linear aerodynamic wing design applications in conceptual aircraft design or in aeronautical educati