---
_id: '10733'
abstract:
- lang: eng
  text: 'When a cylindrical object penetrates granular matter near a vertical boundary,
    it experiences two effects: its center of mass moves horizontally away from the
    wall, and it rotates around its symmetry axis. Here we show experimentally that,
    if two identical intruders instead of one are released side-by-side near the wall,
    both effects are also detected. However, unexpected phenomena appear due to a
    cooperative dynamics between the intruders. The net horizontal distance traveled
    by the common center of mass of the twin intruders is much larger than that traveled
    by one intruder released at the same initial distance from the wall, and the rotation
    is also larger. The experimental results are well described by the Discrete Element
    Method (DEM), which reveals that, as the number of intruders horizontally released
    side-by-side increases, the total energy dissipation per intruder decreases. Finally,
    DEM simulations demonstrate that the horizontal repulsion is substantially enhanced
    if groups of intruders are released forming a column near the wall.'
acknowledgement: 'We acknowledge the University of Havana’s institutional project
  “Granular media: creating tools for the prevention of catastrophes”. The Institute
  “Pedro Kourí” is thanked for allowing us using their computing cluster. E. Altshuler
  found inspiration in the late M. Álvarez-Ponte.'
article_number: '39'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: M.
  full_name: Espinosa, M.
  last_name: Espinosa
- first_name: Vicente L
  full_name: Diaz Melian, Vicente L
  id: b6798902-eea0-11ea-9cbc-a8e14286c631
  last_name: Diaz Melian
- first_name: A.
  full_name: Serrano-Muñoz, A.
  last_name: Serrano-Muñoz
- first_name: E.
  full_name: Altshuler, E.
  last_name: Altshuler
citation:
  ama: Espinosa M, Diaz Melian VL, Serrano-Muñoz A, Altshuler E. Intruders cooperatively
    interact with a wall into granular matter. <i>Granular Matter</i>. 2022;24(1).
    doi:<a href="https://doi.org/10.1007/s10035-021-01200-8">10.1007/s10035-021-01200-8</a>
  apa: Espinosa, M., Diaz Melian, V. L., Serrano-Muñoz, A., &#38; Altshuler, E. (2022).
    Intruders cooperatively interact with a wall into granular matter. <i>Granular
    Matter</i>. Springer Nature. <a href="https://doi.org/10.1007/s10035-021-01200-8">https://doi.org/10.1007/s10035-021-01200-8</a>
  chicago: Espinosa, M., Vicente L Diaz Melian, A. Serrano-Muñoz, and E. Altshuler.
    “Intruders Cooperatively Interact with a Wall into Granular Matter.” <i>Granular
    Matter</i>. Springer Nature, 2022. <a href="https://doi.org/10.1007/s10035-021-01200-8">https://doi.org/10.1007/s10035-021-01200-8</a>.
  ieee: M. Espinosa, V. L. Diaz Melian, A. Serrano-Muñoz, and E. Altshuler, “Intruders
    cooperatively interact with a wall into granular matter,” <i>Granular Matter</i>,
    vol. 24, no. 1. Springer Nature, 2022.
  ista: Espinosa M, Diaz Melian VL, Serrano-Muñoz A, Altshuler E. 2022. Intruders
    cooperatively interact with a wall into granular matter. Granular Matter. 24(1),
    39.
  mla: Espinosa, M., et al. “Intruders Cooperatively Interact with a Wall into Granular
    Matter.” <i>Granular Matter</i>, vol. 24, no. 1, 39, Springer Nature, 2022, doi:<a
    href="https://doi.org/10.1007/s10035-021-01200-8">10.1007/s10035-021-01200-8</a>.
  short: M. Espinosa, V.L. Diaz Melian, A. Serrano-Muñoz, E. Altshuler, Granular Matter
    24 (2022).
date_created: 2022-02-06T23:01:30Z
date_published: 2022-01-24T00:00:00Z
date_updated: 2023-08-02T14:10:13Z
day: '24'
department:
- _id: ScWa
doi: 10.1007/s10035-021-01200-8
external_id:
  arxiv:
  - '2110.15311'
  isi:
  - '000746623000001'
intvolume: '        24'
isi: 1
issue: '1'
keyword:
- granular matter
- boundary effects
- intruder penetration
- sedimentation
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://arxiv.org/abs/2110.15311
month: '01'
oa: 1
oa_version: Preprint
publication: Granular Matter
publication_identifier:
  eissn:
  - 1434-7636
  issn:
  - 1434-5021
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Intruders cooperatively interact with a wall into granular matter
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 24
year: '2022'
...