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 Concept Videos

Steady, Laminar Flow Between Parallel Plates01:17

Steady, Laminar Flow Between Parallel Plates

965
Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
965
Shearing Stress01:18

Shearing Stress

2.4K
Shearing stress, denoted by the Greek letter tau (τ), is stress caused by forces acting transversely on an object. These forces create internal ones within the entity in the plane where the external forces are applied. The resultant of these internal forces is the shear in the section.
The average shearing stress can be calculated by dividing the shear by the area of the cross-section.
2.4K
Colloids and Suspensions01:17

Colloids and Suspensions

3.8K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
3.8K
Parallel Processing01:20

Parallel Processing

860
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
860
PD Controller: Design01:26

PD Controller: Design

693
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
693
Relation Between the Distributed Load and Shear01:23

Relation Between the Distributed Load and Shear

1.2K
Understanding the relationship between the distributed load and shear force in structural analysis is crucial for analyzing beams subjected to various loading conditions. Consider the case of a beam experiencing a distributed load, two concentrated loads, and a couple moment.
1.2K

You might also read

Related Articles

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

Sort by
Same author

Parallel Generalized Real Symmetric-Definite Eigenvalue Problem.

Journal of research of the National Institute of Standards and Technology·2024
Same author

Hylleraas-Configuration Interaction (Hy-CI) Non-Relativistic Energies for the 3 <math> </math> , 4 <math> </math> , 5 <math> </math> , 6 <math> </math> , and 7 <math> </math> Excited States of the Beryllium Atom.

Journal of research of the National Institute of Standards and Technology·2024
Same author

Exponentially correlated Hylleraas-configuration interaction non-relativistic energy of the <sup>1</sup>S ground state of the helium atom.

International journal of quantum chemistry·2023
Same author

Hylleraas-Configuration Interaction study of the <sup>1</sup><i>S</i> ground state of the negative Li ion.

Journal of physics. B, Atomic, molecular, and optical physics : an Institute of Physics journal·2018
Same author

Accelerating Scientific Discovery Through Computation and Visualization II.

Journal of research of the National Institute of Standards and Technology·2016
Same author

Accelerating Scientific Discovery Through Computation and Visualization III. Tight-Binding Wave Functions for Quantum Dots.

Journal of research of the National Institute of Standards and Technology·2016
Same journal

Precise Numerical Differentiation of Thermodynamic Functions with Multicomplex Variables.

Journal of research of the National Institute of Standards and Technology·2024
Same journal

Characterization of 3-Dimensional Printing and Casting Materials for use in Computed Tomography and X-ray Imaging Phantoms.

Journal of research of the National Institute of Standards and Technology·2024
Same journal

On The Quotient of a Centralized and a Non-centralized Complex Gaussian Random Variable.

Journal of research of the National Institute of Standards and Technology·2024
Same journal

Fast Methods for Finding Multiple Effective Influencers in Real Networks.

Journal of research of the National Institute of Standards and Technology·2024
Same journal

Disinfection of Respirators with Ultraviolet Radiation.

Journal of research of the National Institute of Standards and Technology·2024
Same journal

DNA Origami Design: A How-To Tutorial.

Journal of research of the National Institute of Standards and Technology·2024
See all related articles

Related Experiment Video

Updated: Mar 18, 2026

Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids
10:28

Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids

Published on: January 3, 2014

15.6K

Simulation of Sheared Suspensions With a Parallel Implementation of QDPD.

James S Sims1, Nicos Martys1

  • 1National Institute of Standards and Technology, Gaithersburg, MD 20899-8911.

Journal of Research of the National Institute of Standards and Technology
|July 2, 2016
PubMed
Summary
This summary is machine-generated.

A new parallel quaternion-based dissipative particle dynamics (QDPD) program enhances complex fluid flow simulations. This computational tool enables larger, more intricate studies of fluid dynamics under shear conditions.

Keywords:
dissipative particle dynamicsdomain decompositionmesoscopic modelingparallel algorithmsrheologyspatial decompositionsuspensions

More Related Videos

Studying Large Amplitude Oscillatory Shear Response of Soft Materials
06:07

Studying Large Amplitude Oscillatory Shear Response of Soft Materials

Published on: April 25, 2019

13.8K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.6K

Related Experiment Videos

Last Updated: Mar 18, 2026

Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids
10:28

Experimental Measurement of Settling Velocity of Spherical Particles in Unconfined and Confined Surfactant-based Shear Thinning Viscoelastic Fluids

Published on: January 3, 2014

15.6K
Studying Large Amplitude Oscillatory Shear Response of Soft Materials
06:07

Studying Large Amplitude Oscillatory Shear Response of Soft Materials

Published on: April 25, 2019

13.8K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.6K

Area of Science:

  • Computational physics and chemistry
  • Fluid dynamics
  • Materials science

Background:

  • Complex fluids exhibit intricate flow behaviors under shear stress.
  • Simulating these behaviors requires computationally intensive methods.
  • Existing methods may not efficiently handle large-scale or complex systems.

Purpose of the Study:

  • To develop and present a parallel quaternion-based dissipative particle dynamics (QDPD) program.
  • To enable efficient simulation of complex fluid flow properties under shear.
  • To leverage parallel computing for enhanced simulation capabilities.

Main Methods:

  • Developed a parallel QDPD program using Fortran and Message Passing Interface (MPI).
  • Implemented a parallel link-cell spatial decomposition technique.
  • Incorporated novel features including rigid body inclusions across processors and sheared boundary conditions.

Main Results:

  • The parallel QDPD program successfully simulates complex fluid flow under shear.
  • Achieved a parallel speedup of 24.19 for a benchmark calculation on 27 processors.
  • Demonstrated the program's efficiency on distributed memory architectures.

Conclusions:

  • The developed parallel QDPD program is effective for studying shear-driven complex fluid dynamics.
  • Parallelization significantly enhances simulation capacity for size and complexity.
  • The implementation offers a robust tool for advanced fluid dynamics research.