2000•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Magneto-rheological fluid shock absorber for suspension of an off-road motorcycle: a theoretical study

E. Ericksen, Faramarz Gordaninejad

Abstract

This work presents a theoretical model for the damping force of a magneto-rheological fluid (MRF) shock absorber of an off-road motorcycle. The Bingham plastic model and a 3D electromagnetic finite-element analysis are employed to develop a theoretical model to estimate the damping force of a MRF shock absorber. The mode is based on the physical parameters of the device as well as the properties of the fluid, making a valuable tool in shock absorber design for a particular application. By comparing the theoretical and experimental results, it is demonstrated that the model accurately predicts the damping force.

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Available abstract

Key concepts: Shock absorber, Magnetorheological fluid, Suspension (topology), Rheology, Shock (circulatory), Finite element method, Bingham plastic, Work (physics)