Experimental study and simulation on the hysteresis characteristics of leaf spring

Publication Type:
Journal Article
Qiche Gongcheng/Automotive Engineering, 2016, 38 (5)
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© 2016, SAE-China. All right reserved. Both dynamic tests and finite element simulations are carried out to study the frequency-dependent and amplitude-dependent characteristics of the leaf spring in the rear suspension of a vehicle. The results show that simulation results coincide well with the test ones, and the load amplitude has much influence on hysteresis curves, whereas the load frequency only has little effect. Finally, a further simulation is also conducted to investigate the effects of friction coefficient, contact area and tangential damping between spring leaves and the pretension of spring assembly on its hysteresis behavior, providing references for the forward design of leaf spring.
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