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

Shock Waves

Shock Waves

While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
When the source's speed approaches the speed of sound, constructive interference between successive wavefronts emitted by the source occurs immediately behind it. Initially, scientists believed that this constructive interference would result in such high pressures...

Sound as Pressure Waves

Sound as Pressure Waves

Sound waves, which are longitudinal waves, can be modeled as the displacement amplitude varying as a function of the spatial and temporal coordinates. As a column of the medium is displaced, its successive columns are also displaced. As the successive displacements differ relatively, a pressure difference with the surrounding pressure is created. The gauge pressure varies across the medium.
The pressure fluctuation depends on the difference in displacements between the successive points in the...

Sound Waves: Interference

Sound Waves: Interference

Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...

Sound Waves

Sound Waves

Sound waves can be thought of as fluctuations in the pressure of a medium through which they propagate. Since the pressure also makes the medium's particles vibrate along its direction of motion, the waves can be modeled as the displacement of the medium's particles from their mean position.
Sound waves are longitudinal in most fluids because fluids cannot sustain any lateral pressure. In solids, however, shear forces help in propagating the disturbance in the lateral direction as well. Hence,...

Intensity and Pressure of Sound Waves

Intensity and Pressure of Sound Waves

The intensity of sound waves can be related to displacement and pressure amplitudes by using their wave expressions and the definition of intensity. The critical step to achieve this is to write the power delivered by the particles on the wave as the product of force and velocity and simplify the force per unit area as the pressure. The velocity of the medium's particles can be derived from the displacement.
Unlike the time average of a sinusoidal term, which is zero since it is positive and...

Plane Electromagnetic Waves II

Plane Electromagnetic Waves II

Consider a plane wavefront traveling in position x-direction with a constant speed. This wavefront can be utilized to obtain the relationship between electric and magnetic fields with the help of Faraday's law.

You might also read

Related Articles

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

Sort by

Same author

A novel smart hybrid multimorph piezoelectric spherical shell cloak for broadband near-perfect underwater acoustic camouflage applications.

Scientific reports·2024

Same author

Identification of Acanthamoeba spp. from water and soil of public parks in the north of Iran.

Journal of water and health·2022

Same author

Evaluation of the efficacy of different concentrations of nano-capsules containing Talaromyces flavus with two forms of powder and suspension in reducing the incidence of cotton Verticillium wilt.

Brazilian journal of biology = Revista brasleira de biologia·2022

Same author

The impact of differential expression of the pectoral muscle proteome in two groups of Japanese quail with different growth rates on‏ meat quality.

British poultry science·2020

Same author

Inherited thrombophilia in mechanical valve malfunction.

Annales de cardiologie et d'angeiologie·2020

Same author

Impact of the Iranian Registry of Infective Endocarditis (IRIE) and multidisciplinary team approach on patient management.

Acta cardiologica·2020

Search research articles

Related Experiment Video

Updated: Jul 19, 2026

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

Interaction of a plane progressive sound wave with a functionally graded spherical shell.

Seyyed M Hasheminejad¹, M Maleki

¹Acoustics Research Laboratory, Department of Mechanical Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran. hashemi@iust.ac.ir <hashemi@iust.ac.ir>

|October 3, 2006

Summary

This study analyzes sound wave interaction with elastic spherical shells. Findings reveal how material properties and wave frequency influence acoustic forces on composite shells.

More Related Videos

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

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

Published on: August 21, 2018

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

Related Experiment Videos

Last Updated: Jul 19, 2026

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

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

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

Published on: August 21, 2018

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

Area of Science:

Acoustics
Materials Science
Mechanical Engineering

Background:

Spherical shells are crucial in various engineering applications.
Understanding acoustic wave interaction is vital for structural integrity and performance.
Radially inhomogeneous shells present complex analytical challenges.

Purpose of the Study:

To investigate the acoustic response of a thick-walled elastic spherical shell.
To analyze the influence of a functionally graded interlayer on shell acoustics.
To determine the effects of wave frequency and material gradients on acoustic radiation force.

Main Methods:

Exact analysis using laminated approximation method.
Modal state equation with variable coefficients.
Taylor's expansion theorem for global transfer matrix calculation.

Main Results:

A numerical example for an Aluminum/Zirconia sandwich shell is presented.
The study examines the impact of interlayer properties and wave frequency.
Form function amplitude and average radiation force are calculated.

Conclusions:

The developed method accurately models acoustic-shell interaction.
Functionally graded materials significantly affect the shell's acoustic behavior.
Results provide insights into designing composite shells for specific acoustic environments.