Discrete rearranging disordered patterns, part II: 2D plasticity, elasticity and flow of a foam
| dc.creator | Marmottant, Philippe | |
| dc.creator | Raufaste, Christophe | |
| dc.creator | Graner, François | |
| dc.date | 2006-09-08 | |
| dc.date | 2008-01-08 | |
| dc.date.accessioned | 2026-07-07T08:53:05Z | |
| dc.date.available | 2026-07-07T08:53:05Z | |
| dc.description | The plastic flow of a foam results from bubble rearrangements. We study their occurrence in experiments where a foam is forced to flow in 2D: around an obstacle; through a narrow hole; or sheared between rotating disks. We describe their orientation and frequency using a topological matrix defined in the companion paper (Graner et al., preprint), which links them with continuous plasticity at large scale. We then suggest a phenomenological equation to predict the plastic strain rate: its orientation is determined from the foam's local elastic strain; and its rate is determined from the foam's local elongation rate. We obtain a good agreement with statistical measurements. This enables us to describe the foam as a continuous medium with fluid, elastic and plastic properties. We derive its constitutive equation, then test several of its terms and predictions. | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0609188 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0609188 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/145497 | |
| dc.subject | Soft Condensed Matter | |
| dc.title | Discrete rearranging disordered patterns, part II: 2D plasticity, elasticity and flow of a foam | |
| dc.type | text |