Research on Optimization of Formula SAE Truss-Frame

Abstract

Abstract. The frame, as one of the basic components of a car, plays an important role of connecting components and withstanding various loads. The truss-frame is the commonest form of Formula SAE car in that it has many advantages, such as low cost, simple manufacture, high rigidity and high strength. The development of frame is reviewed. First, the key performance indicators and the mechanical state of the frame under different conditions are discussed. Second, a variety of optimization methods used in the design of frame are described. Finally, the test method of frame are introduced, with the experimental data and the finite element analysis of results being compared.Through analyzing and summarizing the development of the design, optimization and testing technology of the Formula SAE truss-frame, forecasting the future trends, the great theoretical reference is provided for the design and research of the follow-up frame.

Validation of Torsional Rigidity of FSAE Chassis

“…Torsional stiffness does not affect the lateral acceleration of the car, yaw and other properties at steady state turns [6]. If the chassis is not stiff enough, it will bend along its Z-axis and if the chassis bends because of the torsional load it will affect the suspension system thus torsional stiffness is important for dynamic conditions of the car [8]. There is one benefit of a less stiff chassis as it will transfer weight between front and rear tyres, but this deviates from the calculations made for the vehicle dynamics and there is not much proof of weight distribution, thus a less stiff chassis is not preferred [9].…”