The fractal micro mechanics of normal compression
The fundamental fractal micro mechanics of normal compression of granular materials is studied using DEM. This paper examines the emergence of a finite fractal bounded by two particle sizes as stress increases, and the evolution of various definitions of the ‘smallest particles’. It is revealed that...
| Main Authors: | , |
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| Format: | Article |
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Elsevier
2016
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| Online Access: | https://eprints.nottingham.ac.uk/33364/ |
| _version_ | 1848794614570418176 |
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| author | de Bono, John P. McDowell, Glenn R. |
| author_facet | de Bono, John P. McDowell, Glenn R. |
| author_sort | de Bono, John P. |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | The fundamental fractal micro mechanics of normal compression of granular materials is studied using DEM. This paper examines the emergence of a finite fractal bounded by two particle sizes as stress increases, and the evolution of various definitions of the ‘smallest particles’. It is revealed that if particles are categorised according to their coordination number, then the volume of all particles with 4 contacts or fewer is directly proportional to the void space. These particles are called ‘critical particles’ and are shown, for the first time, to explain quantitatively the voids reduction with increasing vertical stress. |
| first_indexed | 2025-11-14T19:19:00Z |
| format | Article |
| id | nottingham-33364 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T19:19:00Z |
| publishDate | 2016 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-333642020-05-04T20:01:36Z https://eprints.nottingham.ac.uk/33364/ The fractal micro mechanics of normal compression de Bono, John P. McDowell, Glenn R. The fundamental fractal micro mechanics of normal compression of granular materials is studied using DEM. This paper examines the emergence of a finite fractal bounded by two particle sizes as stress increases, and the evolution of various definitions of the ‘smallest particles’. It is revealed that if particles are categorised according to their coordination number, then the volume of all particles with 4 contacts or fewer is directly proportional to the void space. These particles are called ‘critical particles’ and are shown, for the first time, to explain quantitatively the voids reduction with increasing vertical stress. Elsevier 2016-09 Article PeerReviewed de Bono, John P. and McDowell, Glenn R. (2016) The fractal micro mechanics of normal compression. Computers and Geotechnics, 78 . pp. 11-24. ISSN 0266-352X DEM; normal compression; crushing; fractal http://dx.doi.org/10.1016/j.compgeo.2016.04.018 doi:10.1016/j.compgeo.2016.04.018 doi:10.1016/j.compgeo.2016.04.018 |
| spellingShingle | DEM; normal compression; crushing; fractal de Bono, John P. McDowell, Glenn R. The fractal micro mechanics of normal compression |
| title | The fractal micro mechanics of normal compression |
| title_full | The fractal micro mechanics of normal compression |
| title_fullStr | The fractal micro mechanics of normal compression |
| title_full_unstemmed | The fractal micro mechanics of normal compression |
| title_short | The fractal micro mechanics of normal compression |
| title_sort | fractal micro mechanics of normal compression |
| topic | DEM; normal compression; crushing; fractal |
| url | https://eprints.nottingham.ac.uk/33364/ https://eprints.nottingham.ac.uk/33364/ https://eprints.nottingham.ac.uk/33364/ |