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

Thermal expansion and Thermal stress: Problem Solving

Thermal expansion and Thermal stress: Problem Solving

San Francisco's Golden Gate Bridge is exposed to temperatures ranging from -15 °C to 40 °C. At its coldest, the main span of the bridge is 1275 m long. Assuming that the bridge is made entirely of steel, what is the change in its length between these temperatures?
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in temperature (ΔT) is 55...

Thermal Strain

Thermal Strain

Thermal strain is a concept that arises when we consider how temperature changes affect structures. Unlike the conventional assumption that structures remain constant under load, real-world scenarios often involve temperature fluctuations that can significantly impact these structures. Consider a homogeneous rod with a uniform cross-section resting freely on a flat horizontal surface. If the rod's temperature increases, the rod elongates. This elongation is proportional to the temperature...

Isothermal Processes

Isothermal Processes

A thermodynamic process that occurs at constant temperature is called an isothermal process. Heat slowly flows into the system or out of the system to maintain thermal equilibrium. Processes involving phase changes like water evaporation into steam or freezing water into ice at a constant temperature are examples of Isothermal Processes.
An ideal gas can also undergo isothermal expansion or compression.
For example, consider 1 mole of an ideal gas inside an isolated cylinder at initial volume V...

Thermal Stress

Thermal Stress

If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...

Mechanisms of Heat Transfer II

Mechanisms of Heat Transfer II

In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...

Mechanisms of Heat Transfer I

Mechanisms of Heat Transfer I

Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.

You might also read

Related Articles

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

Sort by

Same author

Gain-adaptive STAR-RIS assisted vehicular NOMA with transmit antenna selection.

Scientific reports·2026

Same author

Vibrational Analysis of Thermoelastic Beams on Dual-Parameter Foundations via the Fractional Three-Phase-Lag Approach.

Micromachines·2026

Same author

Improving QoS for streaming data transmission over 6G networks using reconfigurable intelligent surfaces (RIS).

Scientific reports·2026

Same author

On the Security of Cell-Free Massive MIMO Networks.

Sensors (Basel, Switzerland)·2026

Same author

Lightweight three-factor authentication protocol for 6G-enabled healthcare systems using Chebyshev chaotic maps and BioHashing.

Scientific reports·2026

Same author

Evaluation of the Accuracy of Air-puff Tonometer Compared to Goldmann and Schiotz Tonometers among Egyptians.

Journal of current glaucoma practice·2025

Search research articles

Related Experiment Video

Updated: Dec 6, 2025

Author Spotlight: Computing the Effects of a Local Radiofrequency Hyperthermia Intervention on Tumor Biomechanics

Author Spotlight: Computing the Effects of a Local Radiofrequency Hyperthermia Intervention on Tumor Biomechanics

Published on: December 1, 2023

Thermoelastic Processes by a Continuous Heat Source Line in an Infinite Solid via Moore-Gibson-Thompson

Ahmed E Abouelregal^1,2, Ibrahim-Elkhalil Ahmed^1,3, Mohamed E Nasr^1,4

¹Department of Mathematics, College of Science and Arts, Jouf University, Al-Qurayyat 77423, Saudi Arabia.

Materials (Basel, Switzerland)

|October 14, 2020

Summary

This study introduces a new thermoelasticity model based on the Moore-Gibson-Thompson equation to analyze heat transfer and wave propagation. The novel model overcomes limitations of previous theories and provides validated numerical results for physical fields.

Keywords:

Moore–Gibson–Thompson heat equation heat source thermoelasticity unbounded solid

More Related Videos

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation

Published on: May 2, 2016

Characterization of Thermal Transport in One-dimensional Solid Materials

Characterization of Thermal Transport in One-dimensional Solid Materials

Published on: January 26, 2014

Related Experiment Videos

Last Updated: Dec 6, 2025

Author Spotlight: Computing the Effects of a Local Radiofrequency Hyperthermia Intervention on Tumor Biomechanics

Author Spotlight: Computing the Effects of a Local Radiofrequency Hyperthermia Intervention on Tumor Biomechanics

Published on: December 1, 2023

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation

Published on: May 2, 2016

Characterization of Thermal Transport in One-dimensional Solid Materials

Characterization of Thermal Transport in One-dimensional Solid Materials

Published on: January 26, 2014

Area of Science:

Solid Mechanics
Thermodynamics
Continuum Mechanics

Background:

Classical heat transfer models, such as Fourier's law, have limitations.
Existing thermoelastic models sometimes fail to maintain positivity, necessitating improved approaches.

Purpose of the Study:

To introduce and investigate a novel thermoelasticity model based on the Moore-Gibson-Thompson equation.
To analyze wave propagation in an infinite isotropic body under a continuous thermal line source using the new model.
To address limitations in positivity found in some existing thermoelastic models.

Main Methods:

Development of a thermomechanical model combining hyperbolic and parabolic partial differential equations.
Application of Laplace and Hankel transform methods, along with a potential function approach.
Utilizing Laplace and Hankel inverse transformations for space-time domain solutions.

Main Results:

The model successfully investigates wave propagation under a continuous thermal line source.
Numerical calculations validate the physical fields derived from the model.
Theoretical and numerical results are compared with those from other thermoelastic models.

Conclusions:

The proposed Moore-Gibson-Thompson-based thermoelasticity model offers a robust framework for analyzing thermomechanical phenomena.
The model provides accurate predictions for wave propagation and thermal fields.
This work contributes to the advancement of thermoelasticity theories and their applications.