Tutorial !free! - Jsbsim
/scripts/ : Stores simulation scripts that define initial conditions and maneuvers.
JSBSim is an open-source, multi-platform, non-linear six-degree-of-freedom (6DoF) Flight Dynamics Model (FDM) used to simulate the movement of aerospace vehicles like aircraft and rockets. It is written in C++ and relies on XML-based configuration files to define vehicle characteristics such as aerodynamics, propulsion, and mass balance. jsbsim tutorial
For standalone use, the JSBSim executable expects a specific directory structure: /scripts/ : Stores simulation scripts that define initial