Superlubricity in granular shear flows under external vibrations

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External vibrations can induce superlubricity by significantly reducing macroscopic friction in pressure-imposed granular shear flows. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Diego Berzi; Melisa M. Gianetti; Dalila Vescovi

doi:10.1039/d6sm00233a

January 1, 2026Soft MatterOpen Access

Superlubricity in granular shear flows under external vibrations

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Key Points

This research aims to understand how external vibrations can reduce friction in granular flows between surfaces.
Utilized the discrete element method to simulate granular flows.
Investigated flows sheared between bumpy planes under pressure.
Performed the study in the absence of gravity.
External vibrations significantly reduced macroscopic friction in the tested granular flows.
Achieved superlubricity conditions under the specified conditions.

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Implication

Explores friction reduction in granular flows using vibrations, indicating effective techniques.

Abstract

We investigate the use of external vibrations to reduce macroscopic friction in pressure-imposed granular flows sheared between bumpy planes, in the absence of gravity, using the discrete element method. We...

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Berzi et al. (2026) studied this question.

synapsesocial.com/papers/6a17dcf93fad632b0f9d9a94 https://doi.org/10.1039/d6sm00233a

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Superlubricity in granular shear flows under external vibrations

Key Points

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Implication

Abstract

Discussion

Cite This Study

Superlubricity in granular shear flows under external vibrations

Key Points

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Implication

Abstract

Discussion

Cite This Study

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