Influence of polydispersity on micromechanics of granular materials
We study the effect of polydispersity on the macroscopic physical properties of granular packings in two and three dimensions. A mean-field approach is developed to approximate the macroscale quantities as functions of the microscopic ones. We show that the trace of the fabric and stress tensors are...
| Main Authors: | , , , |
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| Format: | Journal Article |
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The American Physical Society
2012
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| Online Access: | http://hdl.handle.net/20.500.11937/8927 |
| _version_ | 1848745802104569856 |
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| author | Shaebani, R. Madadi, Mahyar Luding, S. Wolf, D. |
| author_facet | Shaebani, R. Madadi, Mahyar Luding, S. Wolf, D. |
| author_sort | Shaebani, R. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | We study the effect of polydispersity on the macroscopic physical properties of granular packings in two and three dimensions. A mean-field approach is developed to approximate the macroscale quantities as functions of the microscopic ones. We show that the trace of the fabric and stress tensors are proportional to the mean packing properties (e.g., packing fraction, average coordination number, and average normal force) and dimensionless correction factors, which depend only on the moments of the particle-size distribution. Similar results are obtained for the elements of the stiffness tensor of isotropic packings in the linear affine response regime. Our theoretical predictions are in good agreement with the simulation results. |
| first_indexed | 2025-11-14T06:23:08Z |
| format | Journal Article |
| id | curtin-20.500.11937-8927 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T06:23:08Z |
| publishDate | 2012 |
| publisher | The American Physical Society |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-89272017-09-13T14:33:46Z Influence of polydispersity on micromechanics of granular materials Shaebani, R. Madadi, Mahyar Luding, S. Wolf, D. We study the effect of polydispersity on the macroscopic physical properties of granular packings in two and three dimensions. A mean-field approach is developed to approximate the macroscale quantities as functions of the microscopic ones. We show that the trace of the fabric and stress tensors are proportional to the mean packing properties (e.g., packing fraction, average coordination number, and average normal force) and dimensionless correction factors, which depend only on the moments of the particle-size distribution. Similar results are obtained for the elements of the stiffness tensor of isotropic packings in the linear affine response regime. Our theoretical predictions are in good agreement with the simulation results. 2012 Journal Article http://hdl.handle.net/20.500.11937/8927 10.1103/PhysRevE.85.011301 The American Physical Society restricted |
| spellingShingle | Shaebani, R. Madadi, Mahyar Luding, S. Wolf, D. Influence of polydispersity on micromechanics of granular materials |
| title | Influence of polydispersity on micromechanics of granular materials |
| title_full | Influence of polydispersity on micromechanics of granular materials |
| title_fullStr | Influence of polydispersity on micromechanics of granular materials |
| title_full_unstemmed | Influence of polydispersity on micromechanics of granular materials |
| title_short | Influence of polydispersity on micromechanics of granular materials |
| title_sort | influence of polydispersity on micromechanics of granular materials |
| url | http://hdl.handle.net/20.500.11937/8927 |