Development of Launch Vehicle Shape Design Software Based on Parameterization Method

Shape design is one of the most important parts in concept design stage of launch vehicle, which directly affects the overall aerodynamic performance of launch vehicle. In order to help users to quickly select the conceptual design scheme of launch vehicle, this study designed and implemented the launch vehicle design software based on parametric method, involving the overall design field of launch vehicle. The software obtains the parameterized shape of the launch vehicle and generates its surface mesh by using the method of model line design, taking into account various types of generatrix; The mesh quality is tested from three aspects: cell side-length ratio, cell skew angle and cell warp angle; STL files in standard format are generated by using the shape data of the launch vehicle, which can be used for aerodynamic engineering estimation, overall optimization of the launch vehicle, CFD calculation, CNC machining, etc.