Investigation of the asymptotic states of granular materials using a discrete model of anisotropic particles

Pena, AA; Herrmann, HJ; Lizcano, A; Alonso-Marroquin, F

dc.contributor.author	Pena, AA	en
dc.contributor.author	Herrmann, HJ	en
dc.contributor.author	Lizcano, A	en
dc.contributor.author	Alonso-Marroquin, F	en
dc.date.accessioned	2014-03-01T02:50:07Z
dc.date.available	2014-03-01T02:50:07Z
dc.date.issued	2005	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/34907
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-84857602357&partnerID=40&md5=1eb5b975b6e33816c62d5690734808cf	en
dc.subject.other	Anisotropic particles	en
dc.subject.other	Asymptotic state	en
dc.subject.other	Constant strain rate	en
dc.subject.other	Contact networks	en
dc.subject.other	Critical state	en
dc.subject.other	Cyclic loadings	en
dc.subject.other	Discrete models	en
dc.subject.other	Fabric tensors	en
dc.subject.other	Granular media	en
dc.subject.other	Initial density	en
dc.subject.other	Large strains	en
dc.subject.other	Mechanical response	en
dc.subject.other	Micro-mechanical	en
dc.subject.other	Monotonic and cyclic loading	en
dc.subject.other	Permanent deformations	en
dc.subject.other	Polygonal particles	en
dc.subject.other	Void ratios	en
dc.subject.other	Critical current density (superconductivity)	en
dc.subject.other	Cyclic loads	en
dc.subject.other	Micromechanics	en
dc.subject.other	Particles (particulate matter)	en
dc.subject.other	Powders	en
dc.subject.other	Granular materials	en
dc.title	Investigation of the asymptotic states of granular materials using a discrete model of anisotropic particles	en
heal.type	conferenceItem	en
heal.publicationDate	2005	en
heal.abstract	We study the mechanical response of non-cohesive granular materials under monotonic and cyclic loading using a discrete model of polygonal particles. Three asymptotic states are studied: The first is the so-called critical state in which dense and loose media achieve the same void ratio at large strains independently of their initial density state. The second is related to the loss of memory when the granular media is compressed using constant strain rates. The third state is observed under cyclic loading. Thisis given by constant accumulation of permanent deformation that is called ratcheting. These asymptotic states are studied at the micro-mechanical level by following the evolution of the fabric tensor of the contact network. © 2005 Taylor & Francis Group.	en
heal.journalName	Powders and Grains 2005 - Proceedings of the 5th International Conference on Micromechanics of Granular Media	en
dc.identifier.volume	1	en
dc.identifier.spage	697	en
dc.identifier.epage	700	en