A 2-D Model for friction of complex anisotropic surfaces
arXiv:1706.08055 · doi:10.1016/j.jmps.2017.11.015
Abstract
The friction force observed at macroscale is the result of interactions at various lower length scales that are difficult to model in a combined manner. For this reason, simplified approaches are required, depending on the specific aspect to be investigated. In particular, the dimensionality of the system is often reduced, especially in models designed to provide a qualitative description of frictional properties of elastic materials, e.g. the spring-block model. In this paper, we implement for the first time a two dimensional extension of the spring-block model, applying it to structured surfaces and investigating by means of numerical simulations the frictional behaviour of a surface in the presence of features like cavities, pillars or complex anisotropic structures. We show how friction can be effectively tuned by appropriate design of such surface features.
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Cited by in corpus (8)
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- Onset of sliding of elastomer multicontacts: failure of a model of independent asperities to match experiments
- Correlation between slip precursors and topological length scales at the onset of frictional sliding
- Static Friction Coefficient Depends on the External Pressure and Block Shape due to Precursor Slip
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