Aerodynamic design is the academic and engineering discipline concerned with the optimal shaping of objects to control their interaction with a gaseous medium, typically air. It investigates the forces and flow phenomena arising from relative motion, such as lift, drag, and moments, utilizing principles of fluid dynamics, computational simulation, and experimental methods. This field is characterized by its focus on optimizing shapes for performance objectives like efficiency, stability, and control, and its significance is fundamental to the performance, safety, and efficiency of systems ranging from aerospace vehicles and automobiles to civil structures and sporting equipment operating within or influenced by atmospheric flow.