Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Propagation of Waves

Propagation of Waves

When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...

Adhesion

Adhesion

Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...

You might also read

Related Articles

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

Sort by

Same author

Onset and propagation of slip at adhesive elastic interfaces.

Physical review. E·2024

Same author

Surface stress can initiate environment-assisted fracture in metals.

Physical review. E·2024

Same author

Fifty years of Schallamach waves: from rubber friction to nanoscale fracture.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2022

Same author

Propagating Schallamach-type waves resemble interface cracks.

Physical review. E·2022

Same author

Microbial induced calcite precipitation can consolidate martian and lunar regolith simulants.

PloS one·2022

Same author

Diffusion of water in palm leaf materials.

Journal of the Royal Society, Interface·2021

Search research articles

Related Experiment Video

Updated: Mar 13, 2026

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Published on: April 4, 2013

Slow wave propagation in soft adhesive interfaces.

Koushik Viswanathan¹, Narayan K Sundaram², Srinivasan Chandrasekar¹

¹Center for Materials Processing and Tribology, Purdue University, West Lafayette, IN 47907-2023, USA. kviswana@purdue.edu.

|October 18, 2016

Summary

This summary is machine-generated.

Stick-slip motion in soft adhesive materials is mediated by three types of slow waves: Schallamach waves, separation pulses, and slip pulses. This study provides a unified theoretical framework for their propagation and dynamics.

More Related Videos

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Published on: September 9, 2022

Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications

Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications

Published on: January 16, 2018

Related Experiment Videos

Last Updated: Mar 13, 2026

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy

Published on: April 4, 2013

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Microtensiometer for Confocal Microscopy Visualization of Dynamic Interfaces

Published on: September 9, 2022

Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications

Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications

Published on: January 16, 2018

Area of Science:

Soft Matter Physics
Tribology
Materials Science

Background:

Stick-slip friction in soft adhesive surfaces is often linked to Schallamach waves.
Recent experiments identified separation pulses and slip pulses as additional mediators of stick-slip behavior.
Schallamach waves and separation pulses involve interface detachment, while slip pulses are stress fronts without detachment.

Purpose of the Study:

To theoretically analyze the propagation of Schallamach waves, separation pulses, and slip pulses.
To develop a unified framework for understanding the dynamics of these slow waves in adhesive contacts.
To investigate the stability and characteristics of wave propagation under different boundary conditions.

Main Methods:

Linear elastodynamics framework.
Formulation of interface dynamics using integral equations.
Derivation of closed-form analytical solutions for interfacial variables.
Analysis of wave solutions under varying boundary conditions.

Main Results:

Separation pulses and Schallamach waves arise as oppositely propagating solutions to the integral equations.
Analytical expressions for interfacial pressure, shear stress, displacements, and velocities were obtained.
Wave propagation is stable within the regime of linearized elasticity.
Slow traveling wave solutions are not feasible within a Coulomb friction model for slip pulses.

Conclusions:

The theoretical analysis provides a unified understanding of stick-slip dynamics and slow wave propagation in adhesive contacts.
The findings are consistent with experimental observations of separation and slip pulses.
The study highlights the distinct mechanisms of wave propagation, with and without interface detachment.