A new contact damping model of joint interfaces with simulation

DOI

10.2991/icmmct-16.2016.129How to use a DOI?

Keywords

Normal contact damping, Fractal model, Equal radius, Numerical simulation.

Abstract

Modifying joint interfaces’ contact model of two spheres makes contact model more universal. On the basis of contact theory, energy dissipation mechanism and domain expansion factor’s effect, the elastoplastic fractal model of contact damping on two spheres is constructed. Numerical simulation results reveal that there is an apparent concave nonlinear relation between normal damping and load on two spheres’ joint interfaces, when fractal dimension is in range of 1.2 ~ 1.4. Normal damping increases with normal load. Instead, its relation is convex nonlinear,when fractal dimension is in range of 1.6~ 1.8. It decreases with the increasing of normal load. When fractal dimension is 1.4, normal damping decreases with the increasing of fractal characteristic length parameters, when fractal dimension is 1.6, it increases with fractal characteristic length parameters.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Jingfang Shen
AU  - Yue Liu
AU  - Sha Xu
AU  - Wenwei Liu
AU  - Jiajun Yang
PY  - 2016/03
DA  - 2016/03
TI  - A new contact damping model of joint interfaces with simulation
BT  - Proceedings of the 2016 4th International Conference on Machinery, Materials and Computing Technology
PB  - Atlantis Press
SP  - 662
EP  - 666
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmmct-16.2016.129
DO  - 10.2991/icmmct-16.2016.129
ID  - Shen2016/03
ER  -