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

Types of Friction Problems01:27

Types of Friction Problems

Friction is an essential concept in physics, engineering, and everyday life. It is the force that opposes the relative motion or tendency of such motion between two surfaces in contact. One of the most common types of friction encountered in various applications is dry friction. Dry friction problems can be broadly categorized into three types, each with unique characteristics and challenges.
The first type of dry friction problem involves situations where there is no apparent impending motion.
Frictional Force01:07

Frictional Force

When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
Friction: Problem Solving01:21

Friction: Problem Solving

Friction is an essential force that influences the motion of objects in daily life. Depending on the situation, it can be either beneficial or problematic. Consider a bus with a mass of three megagrams and its center of mass at a specific point, moving along a banked road at a constant speed. The coefficient of static friction between the tires and the road is 0.5. Find the maximum angle of the banked road at which the bus would not slip or tip.
Initially, a visual representation of the...
Frictional Forces on Screws01:17

Frictional Forces on Screws

Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
Dry Friction01:30

Dry Friction

Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...

You might also read

Related Articles

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

Sort by
Same author

Computational analysis of umami and bitter taste interactions: orthogonality in receptor-ligand binding.

RSC advances·2026
Same author

Extreme Values and Convergence of the Voronoi Entropy for 2D Random Point Processes and for Long-Range Order.

Entropy (Basel, Switzerland)·2026
Same author

Biomimetic Design and Extrusion-Based 3D Printing of TiO<sub>2</sub> Filled Composite Sphere Scaffolds: Energy-Absorbing and Electromagnetic Properties.

Biomimetics (Basel, Switzerland)·2025
Same author

Numerical and topological description of contact areas at different size scales for the contact of rough solid surfaces.

Materials horizons·2025
Same author

Computational Modeling of Chromoanagenesis- or Chromothripsis-Induced SNPs in Antiapoptotic Genes: Their Impact on Protein Structure and Function.

Methods in molecular biology (Clifton, N.J.)·2025
Same author

Landauer Principle and Einstein Synchronization of Clocks: Ramsey Approach.

Entropy (Basel, Switzerland)·2025

Related Experiment Video

Updated: Jun 3, 2026

Pattern Generation for Micropattern Traction Microscopy
09:26

Pattern Generation for Micropattern Traction Microscopy

Published on: February 17, 2022

Friction-induced pattern formation and Turing systems.

Vahid Mortazavi1, Michael Nosonovsky

  • 1Department of Mechanical Engineering, College of Engineering & Applied Science, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, USA.

Langmuir : the ACS Journal of Surfaces and Colloids
|March 31, 2011
PubMed
Summary

Turing-type pattern formation is possible during friction due to diffusion and chemical reactions. Simulation data and experimental evidence suggest friction-induced secondary structures form complex spatial patterns.

More Related Videos

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures
07:23

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Published on: November 14, 2025

Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

Related Experiment Videos

Last Updated: Jun 3, 2026

Pattern Generation for Micropattern Traction Microscopy
09:26

Pattern Generation for Micropattern Traction Microscopy

Published on: February 17, 2022

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures
07:23

Light-induced Patterning and Grafting for Slippery Surfaces based on Silane-coated Nanoporous Structures

Published on: November 14, 2025

Patterning via Optical Saturable Transitions - Fabrication and Characterization
08:19

Patterning via Optical Saturable Transitions - Fabrication and Characterization

Published on: December 11, 2014

Area of Science:

  • Tribology
  • Materials Science
  • Chemical Engineering

Background:

  • Turing systems describe pattern formation in reaction-diffusion processes.
  • Friction involves mass transfer, heat transfer, tribochemical reactions, and wear at the interface.
  • Experimental data show in situ tribofilm formation and secondary structures during friction.

Purpose of the Study:

  • To investigate the potential for Turing-type pattern formation during friction.
  • To link observed frictional patterns to reaction-diffusion mechanisms.

Main Methods:

  • Computational simulations of pattern formation during friction.
  • Analysis of existing experimental data on tribofilm and secondary structure formation.

Main Results:

  • Simulation data indicate the possibility of Turing-type pattern formation at the sliding interface.
  • Experimental observations of tribofilms and secondary structures forming patterned domains (e.g., islands, honeycomb).

Conclusions:

  • Friction can induce complex spatial patterns analogous to Turing systems.
  • Mass transfer, heat transfer, and tribochemical reactions contribute to pattern evolution.
  • Observed frictional patterns can be attributed to reaction-diffusion mechanisms.