快速生成导弹的几何模型是开展导弹总体优化设计的关键技术之一。基于轻量化的导弹几何外形参数化描述方法,结合OpenCASCADE,提出了一种不依赖于商业CAD软件的导弹参数化几何建模工具包。介绍了工具包的系统框架、核心技术途径以及与传统性能分析工具(以气动分析为例)的接口形式,并完成了原型工具包的开发。最后以类硫磺石导弹为例,验证了所研究方法与工具包在导弹总体概念设计阶段的建模快速性和模型通用性。

Rapid generating missile's geometrical model is one of key technologies in general missile optimization design. The description of lightweight parametric geometry modeling for missile was summarized. Without any assistance of the commercial modeling software, a new toolkit of parametric missile geometrical model was developed using Open CASCADE. The framework and key technologies of the system and the interfaces with legacy analysis tools (such as aerodynamic analysis tools) were presented. Furthermore, the prototype of proposed toolkit has been accomplished. Finally, the proposed parameterization methods and prototype parametric geometry modeling toolkit for missiles were used to configure a quasi-brimstone missile model, which demonstrates the efficiency of the completed missile model in modeling and the universality for general missile conceptual design problems.