Simulation and Test of ASAC Dynamic Characteristic Based on ABAQUS

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Abstract:

Considering the influence factors of material nonlinearity ,geometric nonlinearity and etc.of air spring with auxiliary chamber in numerical calculations, implement method of airbag nonlinear characteristic ,gas unit, connecting pipe were defined. Finite element model was established in ABAQUS,and vertical characteristic simulation was carried out ,and the results shows that, system static stiffness reduces when increasing in the volume of the auxiliary chamber, but the change in stiffness is not is obvious when the volume increases to a certain degree, and static stiffness also reduces when initial pressure reducing. Simulation results are verified through characteristic test,and both are in good consistency.

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Periodical:

Advanced Materials Research (Volumes 765-767)

Pages:

331-335

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Online since:

September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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