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

Propagation of Waves01:07

Propagation of Waves

2.5K
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...
2.5K
Interference and Superposition of Waves01:07

Interference and Superposition of Waves

5.8K
When two waves of the same nature occur in the same region simultaneously, they result in interference. Interference of waves implies that the net effect of the waves is the sum of the individual waves' effects. However, it does not imply that the individual waves affect the propagation of other waves.
Interference occurs in mechanical waves, such as sound waves, waves on a string, and surface water waves. Mechanical waves correspond to the physical displacement of particles. Hence,...
5.8K
Wedges01:24

Wedges

2.3K
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...
2.3K
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

1.7K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.7K
Modes of Standing Waves: II01:04

Modes of Standing Waves: II

1.8K
The starting point for expressing the modes of standing waves is understanding the boundary conditions that the waves must follow. The boundary conditions are derived from the physical understanding of how the standing waves are sustained, that is, how the vibrating particles of the medium behave at the boundaries imposed on them.
For a tube open at one end and closed at the other filled with air, the modes are such that there is always an antinode at the open end and a node at the closed end....
1.8K
Equations of Wave Motion01:02

Equations of Wave Motion

5.6K
Mathematically, the motion of a wave can be studied using a wavefunction. Consider a string oscillating up and down in simple harmonic motion, having a period T. The wave on the string is sinusoidal and is translated in the positive x-direction as time progresses. Sine is a function of the angle θ, oscillating between +A and −A and repeating every 2π radians. To construct a wave model, the ratio of the angle θ and the position x is considered.
5.6K

You might also read

Related Articles

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

Sort by
Same author

A measure of intrinsic strength, not nominal strength, reflects effects of ex-vivo cortical bone matrix modulation by raloxifene.

Journal of the mechanical behavior of biomedical materials·2025
Same author

A proposal for the combined analysis of bone quantity and quality of human cortical bone by quasi-brittle fracture mechanics.

Journal of biomechanics·2024
Same author

Gravity-driven controls on fluid and carbonate precipitation distributions in fractures.

Scientific reports·2023
Same author

The effect of differential mineral shrinkage on crack formation and network geometry.

Scientific reports·2022
Same author

Laboratory earthquake forecasting: A machine learning competition.

Proceedings of the National Academy of Sciences of the United States of America·2021
Same author

Probing complex geophysical geometries with chattering dust.

Nature communications·2020

Related Experiment Video

Updated: May 6, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

18.8K

Coupled wedge waves.

Bradley C Abell1, Laura J Pyrak-Nolte

  • 1Department of Physics, Purdue University, 525 Northwestern Avenue, West Lafayette, Indiana 47907.

The Journal of the Acoustical Society of America
|November 5, 2013
PubMed
Summary
This summary is machine-generated.

Coupled wedge waves in non-welded interfaces are dispersive and depend on contact stiffness. Experiments confirm wave velocity changes with applied load, ranging from single wedge wave to Rayleigh velocity.

More Related Videos

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
06:51

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

6.4K
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

16.4K

Related Experiment Videos

Last Updated: May 6, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

18.8K
Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
06:51

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

6.4K
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

16.4K

Area of Science:

  • Solid Mechanics
  • Wave Propagation
  • Materials Science

Background:

  • The behavior of elastic waves at interfaces is crucial for understanding material properties.
  • Non-welded interfaces introduce complexities in wave propagation due to contact stiffness.
  • Wedge waves in quarter-spaces are a fundamental model for certain geometric configurations.

Purpose of the Study:

  • To theoretically investigate the dispersion and velocity characteristics of coupled wedge waves.
  • To experimentally validate the theoretical predictions using isotropic and anisotropic aluminum.
  • To determine the influence of contact stiffness and applied normal load on wave propagation.

Main Methods:

  • Theoretical modeling of coupled wedge waves using a displacement discontinuity representation.
  • Laboratory experiments involving wave propagation measurements on aluminum samples with non-welded interfaces.
  • Application of varying normal loads to the interface to study stress-dependent wave behavior.

Main Results:

  • Theoretical analysis revealed that coupled wedge waves are dispersive and depend on interface stiffness.
  • Experimental results confirmed that wave velocity continuously varies with applied normal load.
  • Observed velocities ranged from single wedge wave velocity at low stress to Rayleigh wave velocity at higher stress.
  • Existence of coupled wedge waves was theoretically demonstrated even for identical material properties.

Conclusions:

  • The study confirms the dispersive nature of coupled wedge waves at non-welded interfaces.
  • Applied normal stress significantly influences the velocity of these coupled waves.
  • The findings are applicable to understanding wave propagation in jointed or fractured media.