Abstract
The mathematical model of valve deformation of hydraulic shock absorber is established using the hybrid method of large deflection and beam deflection. The model can be used for design purposes and helps in developing damping valve based on single disk and shim stack. The model of the hydraulic shock absorber with valve system consists of shim stack and a spring preloaded disk is developed using AMESim. The correctness of the mathematical model of the valve deformation based on the hybrid method and the simulation model using AMESim is verified by the shock absorber bench test, which proves the method proposed in this article is reasonable and reliable. It is significant for reference in the design and development of hydraulic shock absorber.
Highlights
The development of modern vehicle chassis is very fast, and the performance of vehicle chassis is mainly influenced by an appropriate design of suspension systems.[1]
The throttle valve is an important part in the shock absorber, and its bending deformation directly influences the damping force characteristic of the shock absorber, which affects the performance of the suspension, that is, the ride comfort and the handling stability of the vehicle.[3]
The typical variation of the slope of the force versus speed diagram of the shock absorber is due to deformable valves, which are completely closed until a pre-defined pressure drop is reached between their ports
Summary
The development of modern vehicle chassis is very fast, and the performance of vehicle chassis is mainly influenced by an appropriate design of suspension systems.[1]. This article will discuss a mathematical model of shock absorber valve based on the hybrid method of beam deflection and large deflection; the model can be applied to analyze single disk deflection and shim stack deflection.
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