サイトウ クニヤス   Kuniyasu Saitoh
  齊藤 国靖
   所属   京都産業大学  理学部 物理科学科
   職種   准教授
言語種別 英語
発行・発表の年月 2017/10/19
形態種別 研究論文
査読 査読あり
標題 The effect of microscopic friction and size distributions on conditional probability distributions in soft particle packings
執筆形態 その他
掲載誌名 Computational Particle Mechanics
出版社・発行元 Springer Nature
巻・号・頁 4(4),pp.409-417
著者・共著者 Saitoh, K.,Magnanimo, V.,Luding, S.
概要 Employing two-dimensional molecular dynamics (MD) simulations of soft particles, we study their non-affine responses to quasi-static isotropic compression where the effects of microscopic friction between the particles in contact and particle size distributions are examined. To quantify complicated restructuring of force-chain networks under isotropic compression, we introduce the conditional probability distributions (CPDs) of particle overlaps such that a master equation for distribution of overlaps in the soft particle packings can be constructed. From our MD simulations, we observe that the CPDs are well described by q-Gaussian distributions, wherewe find that the correlation for the evolution of particle overlaps is suppressed by microscopic friction, while it significantly increases with the increase of poly-dispersity.
DOI 10.1007/s40571-016-0138-z
ISSN 2196-4378/2196-4386
Put Code(ORCID) 64873738
PermalinkURL http://orcid.org/0000-0002-3511-2710