publication . Other literature type . Preprint . 2017

Hypostatic jammed packings of frictionless nonspherical particles

VanderWerf, Kyle; Jin, Weiwei; Shattuck, Mark D.; O’Hern, Corey S.;
Open Access English
  • Published: 25 Nov 2017
Abstract
We perform computational studies of static packings of a variety of nonspherical particles including circulo-lines, circulo-polygons, ellipses, asymmetric dimers, dumbbells, and others to determine which shapes form packings with fewer contacts than degrees of freedom (hypostatic packings) and which have equal numbers of contacts and degrees of freedom (isostatic packings), and to understand why hypostatic packings of nonspherical particles can be mechanically stable despite having fewer contacts than that predicted from naive constraint counting. To generate highly accurate force- and torque-balanced packings of circulo-lines and cir-polygons, we developed an i...
Subjects
arxiv: Condensed Matter::Soft Condensed Matter
free text keywords: Article, Condensed Matter - Soft Condensed Matter
Funded by
NSF| Collaborative Research: Mechanics of Granular Acoustic Meta-materials with Engineered Particles and Packings
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1462439
  • Funding stream: Directorate for Engineering | Division of Civil, Mechanical & Manufacturing Innovation
,
NSF| Collaborative Research: Mechanics of Granular Acoustic Meta-materials with Engineered Particles and Packings
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1463455
  • Funding stream: Directorate for Engineering | Division of Civil, Mechanical & Manufacturing Innovation
,
NIH| Convergent Graduate Training in Engineering, Physics and Biology
Project
  • Funder: National Institutes of Health (NIH)
  • Project Code: 5T32EB019941-03
  • Funding stream: NATIONAL INSTITUTE OF BIOMEDICAL IMAGING AND BIOENGINEERING
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Generalizing the Circulo-line Potential to Circulo-Polygons Generalizing our continuous circulo-line potential to circulo-polygons, such as those pictured in Fig. 21, is straightforward. We simply calculate the potential be-

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publication . Other literature type . Preprint . 2017

Hypostatic jammed packings of frictionless nonspherical particles

VanderWerf, Kyle; Jin, Weiwei; Shattuck, Mark D.; O’Hern, Corey S.;