A Fast Design And Evaluation Software System For Intermediate-and-long-range Surface-to-air Missile

In high-tech future wars, surface-to-air missile needs to be long-range, fast-speed, easy-to-move, low-volume and attack-with-thrust. Traditional rocket engine cannot support this modern missile, while integral solid rocket ramjet shows it can be a best choice to the missile's thruster. But the design of this kind of missile is much more complex and more difficult, need the support of CAD (Computer Aided Design).This paper established the mathematical models of integral solid rocket ramjet, aerodynamics and trajectory, and wrote the corresponding C++ code. A fast design and evaluation software system was developed for conceptual design of the missile. This system includes a file and data manage module, a three-side-missile-drawer module, a 2D-line-drawer module and a CATIA interface module, with full GUI (Graphical User Interface). The CATIA interface module can transfer data between the system and CATIA, so greatly enhanced the functions of the system.Using this software system, this paper analyzed one sample missile. The results proved that the mathematical models used by this system are proper and precise enough for the conceptual design of missile. This system can improve design efficiency and quality of the designer, it can help designer to chose the proper engine and general parameters, it's very useful for the design of new type of missile.