Shear profile in a dense packing of large grains
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909076725694464 |
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| author | Quaresima, Alessio Plati, Andrea Gnoli, Andrea Petri, Alberto |
| author_facet | Quaresima, Alessio Plati, Andrea Gnoli, Andrea Petri, Alberto |
| contents | We investigate the shear of a dense bed of refracting supermillimetric grains confined within a transparent horizontal annular cell with a rotating top. The local time correlation functions of interferometric images allow to characterize the shear profile close to the wall, with a spatial resolution well below the grain diameter. For increasing shear, we observe a transition in the system response and the manifestations of anisotropies in the force chains. The employed technique is of easy implementation and is especially suitable for the study of stationary processes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_10062 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Shear profile in a dense packing of large grains Quaresima, Alessio Plati, Andrea Gnoli, Andrea Petri, Alberto Soft Condensed Matter Statistical Mechanics We investigate the shear of a dense bed of refracting supermillimetric grains confined within a transparent horizontal annular cell with a rotating top. The local time correlation functions of interferometric images allow to characterize the shear profile close to the wall, with a spatial resolution well below the grain diameter. For increasing shear, we observe a transition in the system response and the manifestations of anisotropies in the force chains. The employed technique is of easy implementation and is especially suitable for the study of stationary processes. |
| title | Shear profile in a dense packing of large grains |
| topic | Soft Condensed Matter Statistical Mechanics |
| url | https://arxiv.org/abs/2401.10062 |