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

Wedges01:24

Wedges

1.8K
A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy objects, and splitting a body into two parts. This versatile tool can amplify an applied force, making it easier to manipulate large or heavy objects.
Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...
1.8K
Shearing Stress01:19

Shearing Stress

2.1K
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.
2.1K
Singularity Functions for Shear01:26

Singularity Functions for Shear

460
In structural analysis, singularity functions are crucial in simplifying the representation of shear forces in beams under discontinuous loading. These functions describe discontinuous  variations in shear force across a beam with varying loads by using a single mathematical expression, regardless of the complexity of the loading conditions. The singularity functions are derived from creating a free-body diagram of the beam and then making conceptual cuts at specific points to examine the...
460
Shearing Stresses in a Beam: Problem Solving01:14

Shearing Stresses in a Beam: Problem Solving

691
A cantilever beam with a rectangular cross-section under distributed and point loads experiences shearing stresses. The analysis begins by identifying the loads acting on the beam. Then, the reactions at the beam's fixed end are calculated using equilibrium equations. The vertical reaction is a combination of the distributed and point loads, while the moment reaction is the sum of their moments. The shear force distribution along the beam, resulting from these loads, is established by creating...
691
Design Example: Forces in Sluice Gate01:11

Design Example: Forces in Sluice Gate

3.1K
In hydraulic engineering, sluice gates are essential for managing water flow through channels, reservoirs, and irrigation systems. Sluice gates, acting as vertical barriers, regulate water by adjusting the gate's opening height, which changes the velocity and pressure of water flowing beneath the gate. Understanding the forces involved is crucial to designing sluice gates that can withstand dynamic pressure differences, especially when the gate is closed or partially open.
Key variables in...
3.1K
Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

596
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...
596

You might also read

Related Articles

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

Sort by
Same author

Bubble growth in a confined heated polymer: the example of safety glass.

Soft matter·2026
Same author

Water Clustering in Polyvinyl Butyral (PVB): Evidenced by Diffusion and Sorption Experiments.

The journal of physical chemistry. B·2023
Same author

Slow spreading with a large contact angle on hygroscopic materials.

Soft matter·2023
Same author

Rheophysics of pastes: a review of microscopic modelling approaches.

Soft matter·2020
Same author

Self-Limited Accumulation of Colloids in Porous Media.

Physical review letters·2019
Same author

Controlled imbibition in a porous medium from a soft wet material (poultice).

Soft matter·2019
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: Feb 17, 2026

Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes
08:42

Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes

Published on: April 10, 2017

20.6K

Wall Slip of Soft-Jammed Systems: A Generic Simple Shear Process.

X Zhang1, E Lorenceau2, P Basset3

  • 1Université Paris-Est, Laboratoire Navier (ENPC-IFSTTAR-CNRS), 2 Allée Kepler, 77420 Champs sur Marne, France.

Physical Review Letters
|December 9, 2017
PubMed
Summary
This summary is machine-generated.

Apparent yield stress in soft-jammed systems is an artifact of edge effects. Correcting for this reveals steady-state wall slip, linearly dependent on slip velocity, driven by laminar flow in a thin liquid layer.

More Related Videos

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults
07:39

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults

Published on: November 6, 2021

3.6K
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

13.7K

Related Experiment Videos

Last Updated: Feb 17, 2026

Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes
08:42

Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes

Published on: April 10, 2017

20.6K
The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults
07:39

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults

Published on: November 6, 2021

3.6K
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

13.7K

Area of Science:

  • Rheology
  • Soft Matter Physics
  • Material Science

Background:

  • Soft-jammed systems exhibit complex flow behaviors.
  • Apparent yield stress has been previously observed in these systems along smooth surfaces.

Purpose of the Study:

  • To investigate the origin of apparent yield stress in soft-jammed systems.
  • To characterize the phenomenon of steady-state wall slip.
  • To determine the fundamental mechanism governing wall slip.

Main Methods:

  • Performing well-controlled long creep tests.
  • Implementing methods to eliminate edge effects in rheological measurements.
  • Analyzing the relationship between wall slip stress and slip velocity.

Main Results:

  • Residual apparent yield stress is an artifact of edge effects, not an intrinsic material property.
  • Steady-state wall slip stress below the material yield stress varies linearly with slip velocity.
  • Wall slip is attributed to the laminar flow of a free liquid volume between the jammed structure and the wall.

Conclusions:

  • Edge effects significantly influence rheological measurements of soft-jammed systems.
  • Wall slip in these systems can be modeled as simple shear flow in a Newtonian liquid layer.
  • The effective thickness of this liquid layer is consistently narrow, around 35±15 nm across various materials.