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

Navier-Stokes simulation with constraint forces: finite-difference method for particle-laden flows and complex

K Höfler1, S Schwarzer

  • 1Institut für Computeranwendungen 1, Universität Stuttgart, 70569 Stuttgart, Germany.

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
|November 23, 2000
PubMed
Summary

A new direct simulation technique accurately models non-Brownian particles in fluids up to Reynolds number 20. This method bridges a gap in simulations, offering efficiency for complex particle systems.

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

A novel method for thermal noise reduction, enabling measurements of broadband, low-amplitude electron temperature fluctuations using individual radiometer channels.

The Review of scientific instruments·2026
Same author

W-band tunable, multi-channel, frequency comb Doppler backscattering diagnostic in the ASDEX-Upgrade tokamak.

The Review of scientific instruments·2023
Same author

[Painful orbital swelling in a 61-year-old female patient].

Der Internist·2020
Same author

The efficacy of topical agents used in wounds for managing chronic biofilm infections: A systematic review.

The Journal of infection·2020
Same author

[Upper abdominal pain, nausea, and vomiting in a 63-year-old woman].

Der Internist·2017
Same author

Serum oestrogen receptor alpha and beta bioactivity are independently associated with breast cancer: a proof of principle study.

British journal of cancer·2009

Area of Science:

  • Computational physics
  • Fluid dynamics
  • Particle simulations

Background:

  • Existing simulation techniques have limitations in the intermediate Reynolds number regime.
  • Modeling non-Brownian particles in fluids requires accurate hydrodynamics.
  • Bridging the gap between viscous and high-Reynolds-number simulations is crucial.

Purpose of the Study:

  • To implement and verify a direct simulation technique for non-Brownian particles in fluids.
  • To extend simulation capabilities to Reynolds numbers up to 20.
  • To enable the study of large, complex particle systems.

Main Methods:

  • Direct simulation technique based on Fogelson and Peskin's work.
  • Algorithm verification in 2D and 3D for single falling particles and fluid flow through sphere beds.

Related Experiment Videos

  • Computation of volume fraction dependence of mean sedimentation velocity.

    • Main Results:

    • The simulation technique is verified for single particles and fluid flow through sphere beds.
    • Satisfactory agreement found with experimental and other numerical results.
    • The method demonstrates computational accuracy and numerical efficiency.

    Conclusions:

    • The developed simulation technique effectively models non-Brownian particles in fluids at intermediate Reynolds numbers.
    • This method provides a valuable tool for studying complex particulate systems.
    • The findings support the technique's applicability for several thousand interacting particles.