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A Flow Modeling of Lubricating Greases Under Shear Deformation by Cellular Automata

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Cellular Automata (ACRI 2006)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 4173))

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Abstract

A Cellular Automata modeling of the lubricating grease flow under the shear deformation is proposed. Lubricating greases are composed of thickening agent, liquid lubricant and various kinds of additives. The thickening agent forms fibrous microstructures in liquid lubricant, and lubricating greases present their special feature due to this microstructure. Though they are widely used in mechanical components, there is little understanding on the lubrication mechanism including the contribution of the fibrous microstructure. There have been proposed no other theoretical model except for the average flow model based on the fluid lubrication theory in tribology field. In the present paper, the flow modeling of lubricating greases under shear deformation was proposed by Cellular Automata, where aggregated thickening agent and liquid lubricant were represented by virtual particles movable on the two-dimensional cell space. It was assumed that the fibrous microstructure was composed of multiple particles, and external stress induces the flow of grease where the particles interacts one another.

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References

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Authors and Affiliations

  1. Graduate School of Environment and Information Sciences, Yokohama National University, 79-7 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan

    Shunsuke Miyamoto, Hideyuki Sakai, Toshihiko Shiraishi & Shin Morishita

Authors
  1. Shunsuke Miyamoto
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  2. Hideyuki Sakai
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  3. Toshihiko Shiraishi
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  4. Shin Morishita
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Editor information

Editors and Affiliations

  1. Laboratory of Mathematics, Physics and Systems, University of Perpignan, 52, Paul Alduy Avenue, 66860, Perpignan, Cedex, France

    Samira El Yacoubi

  2. Computer Science Department, University of Geneva, Switzerland

    Bastien Chopard

  3. Research Center on Complex Systems and Artificial Intelligence (CSAI) Department of Computer Science, Systems and Communication (DISCo), University of Milan, Bicocca viale Sarca, 336, 20126, Milan, (Italy)

    Stefania Bandini

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© 2006 Springer-Verlag Berlin Heidelberg

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Miyamoto, S., Sakai, H., Shiraishi, T., Morishita, S. (2006). A Flow Modeling of Lubricating Greases Under Shear Deformation by Cellular Automata. In: El Yacoubi, S., Chopard, B., Bandini, S. (eds) Cellular Automata. ACRI 2006. Lecture Notes in Computer Science, vol 4173. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11861201_45

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  • DOI: https://doi.org/10.1007/11861201_45

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-40929-8

  • Online ISBN: 978-3-540-40932-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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