dc.contributor.author | Levy, S. | |
dc.contributor.author | Molinari, J. F. | |
dc.contributor.author | Radovitzky, Raul | |
dc.date.accessioned | 2014-04-16T20:36:46Z | |
dc.date.available | 2014-04-16T20:36:46Z | |
dc.date.issued | 2012-03 | |
dc.date.submitted | 2011-09 | |
dc.identifier.issn | 0376-9429 | |
dc.identifier.issn | 1573-2673 | |
dc.identifier.uri | http://hdl.handle.net/1721.1/86189 | |
dc.description.abstract | The fragmentation of a brittle plate subjected to dynamic biaxial loading is investigated via numerical simulations. The aim is to extend our understanding of the dynamic processes affecting fragment size distributions. A scalable computational framework based on a hybrid cohesive zone model description of fracture and a discontinuous Galerkin formulation is employed. This enables large-scale simulations and, thus, the consideration of rich distributions of defects, as well as an accurate account of the role of stress waves. We study the dependence of the fragmentation response on defect distribution, material properties, and strain rate. A scaling law describing the dependence of fragment size on the parameters is proposed. It is found that fragmentation exhibits two distinct regimes depending on the loading rate and material defect distribution: one controlled by material strength and the other one by material toughness. At low strain rates, fragmentation is controlled by defects, whereas at high strain rates energy balance arguments dominate the fragmentation response. | en_US |
dc.description.sponsorship | United States. Army Research Office (grant number W911NF-08-1-0150) | en_US |
dc.description.sponsorship | U.S. Army Research Laboratory (through University of Nebraska Lincoln (grant number W911NF-04-2-0011)) | en_US |
dc.description.sponsorship | United States. Army Research Office (Institute for Soldier Nanotechnologies, under Contract DAAD-19-02-D-0002) | en_US |
dc.description.sponsorship | United States. Office of Naval Research (grant N00014-07-1-0764) | en_US |
dc.language.iso | en_US | |
dc.publisher | Springer Science+Business Media | en_US |
dc.relation.isversionof | http://dx.doi.org/10.1007/s10704-012-9691-5 | en_US |
dc.rights | Creative Commons Attribution-Noncommercial-Share Alike | en_US |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | en_US |
dc.source | Prof. Radovitzky via Barbara Williams | en_US |
dc.title | Dynamic fragmentation of a brittle plate under biaxial loading: strength or toughness controlled? | en_US |
dc.type | Article | en_US |
dc.identifier.citation | Levy, S., J. F. Molinari, and R. Radovitzky. “Dynamic Fragmentation of a Brittle Plate Under Biaxial Loading: Strength or Toughness Controlled?” Int J Fract 174, no. 2 (April 2012): 203–215. | en_US |
dc.contributor.department | Massachusetts Institute of Technology. Department of Aeronautics and Astronautics | en_US |
dc.contributor.approver | Radovitzky, Raul | en_US |
dc.contributor.mitauthor | Radovitzky, Raul | en_US |
dc.relation.journal | International Journal of Fracture | en_US |
dc.eprint.version | Author's final manuscript | en_US |
dc.type.uri | http://purl.org/eprint/type/JournalArticle | en_US |
eprint.status | http://purl.org/eprint/status/PeerReviewed | en_US |
dspace.orderedauthors | Levy, S.; Molinari, J. F.; Radovitzky, R. | en_US |
dc.identifier.orcid | https://orcid.org/0000-0001-6339-2708 | |
mit.license | OPEN_ACCESS_POLICY | en_US |
mit.metadata.status | Complete | |