Application of non-Gaussian closure method in automotive chassis non-linear vibration analysis

Bi, Fengrong; Hu, S. Jack; Song, Baoan

doi:10.1007/s10010-011-0142-7

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…Automotive lower floor board has an important effect on the transportation process of vehicle; the performance of lower floor determines the stability and safety of the whole vehicle [1,2]. Automobile lower floor, engine cover, driving cab, and various special-shaped surface and the internal sheet parts of the body all belong to the automotive panels.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Process Parameters of Stamping Forming of the Automotive Lower Floor Board

Huang

2014

Journal of Applied Mathematics

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There are many process parameters which have great effect on the forming quality of parts during automobile panel stamping forming process. This paper took automotive lower floor board as the research object; the forming process was analyzed by finite element simulation using Dynaform. The influences of four main process parameters including BHF (blank holder force), die corner radius, friction coefficient, and die clearance on the maximum thinning rate and the maximum thickening rate were researched based on orthogonal experiment. The results show that the influences of each value of various factors on the target are not identical. On this basis, the optimization of the four parameters was carried out, and the high quality product was obtained and the maximum thinning rate and maximum thickening rate were effectively controlled. The results also show that the simulation analysis provides the basis for the optimization of the forming process parameters, and it can greatly shorten the die manufacturing cycles, reduce the production costs, and improve the production efficiency.

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Section: Introductionmentioning

confidence: 99%

Optimization of Process Parameters of Stamping Forming of the Automotive Lower Floor Board

Huang

2014

Journal of Applied Mathematics

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An estimation model of suspension loads in explicit multibody simulation

Cianetti

Garzia

Palmieri

et al. 2021

IOP Conf. Ser.: Mater. Sci. Eng.

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Explicit simulation is an extensively tool used by automotive designer both for car-performance analysis in standard operating condition and both in drive-simulator, whom exploits the computational ability of this codes to operate in real-time. The computational capability of these simulation tools however implies a reduced set of information available in simulation results. Regards automotive sector, with a particular focus on suspension system, the confined number of information in structural terms (states of solicitation on components and constraint) can be a strong limitation in their massive use. In this context, the objective of this activity is to propose a calculation method, as simple as accurate, that foresees to characterize the suspension by an implicit multibody model, and then using the information already available in explicit multibody model (wheel motion and external forces at the contact patch) allows estimating whichever force in all points of the suspension. The results obtained with the proposed method were compared with those outcoming from ADAMS/Car supplying in all cases, good results.

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Application of non-Gaussian closure method in automotive chassis non-linear vibration analysis

Cited by 2 publications

References 3 publications

Optimization of Process Parameters of Stamping Forming of the Automotive Lower Floor Board

Optimization of Process Parameters of Stamping Forming of the Automotive Lower Floor Board

An estimation model of suspension loads in explicit multibody simulation

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