Finite Element Analysis of Elastic-Plastic Concentrated Contact

Dušan Zíta; Jaroslav Menčík

doi:10.4028/www.scientific.net/KEM.662.65

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 662Finite Element Analysis of Elastic-Plastic...

Finite Element Analysis of Elastic-Plastic Concentrated Contact

Abstract:

The Paper Shows Results of the Finite Element Modelling of Contact of a Rigid Spherical Body (indenter) with a Body from Elastic-Plastic Material. both the Proces of Loading and Unloading are Modelled. in Addition to Stresses, Also Energies are Investigated, Including their Distribution in the Plastically Deformed Core and the Elastically Deformed Outer Region. Attention is Devoted to Residual Stresses and Energies as well. Influence of Various Factors is Investigated, such as Various Values of Strain-Hardening Parameters (e.g. in Johnson-Cook Model), Relative Depth of Penetration (h/R), Coefficient of Friction.

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Periodical:

Key Engineering Materials (Volume 662)

Pages:

65-68

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.662.65

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Online since:

September 2015

Authors:

Dušan Zíta, Jaroslav Menčík

Keywords:

Contact Stresses, Elastic-Plastic Deformations, Energy, Finite Element Method (FEM)

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References

[1] J. Menčík and D. Zíta: Residual stresses and energies in elastic-plastic materials after concentrated contact. Local Mechanical Properties 2014; to appear in Key Engineering Materials (2015).

DOI: 10.4028/www.scientific.net/kem.662.3

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[2] K. L. Johnson: Contact mechanics, Cambridge University Press, Cambridge, (1985).

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DOI: 10.1098/rspa.1999.0423

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