Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Force dynamics in weakly vibrated granular packings.

Paul Umbanhowar1, Martin van Hecke

  • 1Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|October 26, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Dynamic drives allow independent control of material bits for targeted memory.

Science advances·2026
Same author

Pivoting colloidal assemblies exhibit mechanical metamaterial behaviour.

Nature·2026
Same author

Aging of amorphous materials under cyclic strain.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Hysteretic slit-snapping and multistability in buckled beams with partial cuts.

Science advances·2026
Same author

Dynamic Avalanches: Rate-Controlled Switching and Race Conditions.

Physical review letters·2025
Same author

Dynamic Self-Loops in Networks of Passive and Active Binary Elements.

Physical review letters·2025
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Vertical vibration of granular materials reveals complex dynamics. Even with minimal motion, the oscillatory force shows nonlinear behavior, indicating intricate force networks within the grains.

Area of Science:

  • Physics
  • Materials Science
  • Granular Mechanics

Background:

  • Granular materials exhibit complex behaviors under external stimuli.
  • Understanding granular dynamics is crucial in various scientific and engineering fields.

Purpose of the Study:

  • To investigate the granular dynamics of a vertically vibrated, grain-filled column.
  • To analyze the oscillatory force at the bottom of the column under different vibration conditions.

Main Methods:

  • Vertical vibration of a rigid, grain-filled column.
  • Measurement of the oscillatory force F(b) at the column's bottom.
  • Analysis of force dynamics under varying frequencies and sample conditions (previously unshaken vs. shaken).

Main Results:

Related Experiment Videos

  • Significant variations in F(b) were observed even with sub-nanometer relative motion.
  • For unshaken packings or high frequencies, grain motion dominated F(b).
  • For shaken samples under moderate driving, F(b) showed nonlinear and hysteretic behavior with minimal grain motion.

Conclusions:

  • Granular dynamics are rich even at low vibration amplitudes.
  • Force-network dynamics play a significant role in granular behavior, especially in shaken samples.
  • The study highlights distinct regimes of granular behavior driven by vibration.