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

Size segregation, convection, and arching effect.

Alejandro Saez1, Francisco Vivanco, Francisco Melo

  • 1Departamento de Física Universidad de Santiago de Chile and Center for Advanced Interdisciplinary Research in Materials, Avenue Ecuador 3493, Casilla 307 Correo 2 Santiago, Chile.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|October 4, 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

From single DNA molecule to nanoparticle formation: mechanistic basis for monocationic aromatic drug-induced DNA frameworks.

Journal of nanobiotechnology·2026
Same author

Transferrin knockout reveals a tolerance phenotype against Piscirickettsia salmonis in Atlantic salmon phagocytes.

Veterinary research·2025
Same author

Mechanical characterization of intermediates of Ag+-DNA complex: An atomic force study.

The Journal of chemical physics·2025
Same author

Internalization of external tau aggregates co-localize with early endocytic markers and lysosomes.

Biophysical chemistry·2025
Same author

Poly(styrene sulfonate-<i>co</i>-glycidyl methacrylate)/Rhodamine B Films with Enhanced Energy Conversion in Luminescent Solar Concentrators Triggered by Aromatic-Aromatic Interactions.

The journal of physical chemistry. B·2025
Same author

Rosmarinic acid turned α-syn oligomers into non-toxic species preserving microtubules in Raw 264.7 cells.

Bioorganic chemistry·2024
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

We numerically studied size segregation in vibrating containers. A local vault mechanism causes larger particles to rise in steps at low accelerations, differing from typical convection rolls.

Area of Science:

  • Physics
  • Granular Materials
  • Complex Systems

Background:

  • Granular materials exhibit complex behaviors like size segregation when vibrated.
  • Convection rolls are a known mechanism driving segregation in 2D systems.
  • Previous experimental work has identified specific segregation mechanisms.

Purpose of the Study:

  • To numerically investigate size segregation in a 2D vibrating container.
  • To analyze the role of convection rolls and identify alternative segregation mechanisms.
  • To characterize the conditions leading to step-wise particle movement.

Main Methods:

  • Contact dynamic procedure for numerical simulation.
  • Two-dimensional vibrating container model.
  • Analysis of particle trajectories and segregation dynamics.

Related Experiment Videos

Main Results:

  • Observed convection rolls, consistent with prior studies.
  • Identified a local vault mechanism for step-wise rising of larger particles at low accelerations.
  • This mechanism is highly sensitive to acceleration parameters.
  • Continuous vertical motion and increased rising speed occur when particles reach the convection roll tail.

Conclusions:

  • The study reveals a specific, narrow parameter regime for the local vault segregation mechanism.
  • Understanding these mechanisms is crucial for controlling granular material behavior.
  • Numerical simulations provide insights into complex granular dynamics.