An Automated Aerodynamic Analysis System in Missile Based on Open-Source Software

An automated aerodynamic analysis system that predicts aerodynamic characteristics of the missile configuration at the early design stage is developed using open-source software and presented. This system consists of three modules for geometry modeling, mesh generation, and flow analysis. The missile configuration defined by Missile DATCOM is created using OpenCASCADE software. The unstructured tetrahedral mesh is generated by NETGEN software with minimal input parameters. In particular, the density-based coupled solver, TSLAeroFoam, is used to predict aerodynamic coefficients accurately in the compressible flow regime. The presented system is verified for three representative missile configurations, and the results show good agreements in aerodynamic coefficients with the experiment.