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

Elastic Strain Energy for Shearing Stresses01:20

Elastic Strain Energy for Shearing Stresses

402
As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...
402
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

448
Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
448
Elastic Strain Energy for Normal Stresses01:22

Elastic Strain Energy for Normal Stresses

464
Strain energy quantifies the energy stored within a material due to deformation under loading conditions, a fundamental concept in materials science and engineering. The strain energy can be modeled when a material is subjected to axial loading with uniformly distributed stress. In this scenario, the stress experienced by the material is the internal force divided by the cross-sectional area, and the strain induced is directly proportional to this stress through the modulus of elasticity.
If...
464
Shearing Strain01:20

Shearing Strain

1.0K
The shearing strain represents a cubic element's angular change when subjected to shearing stress. This type of stress can transform a cube into an oblique parallelepiped without influencing normal strains. The cubic element experiences a significant transformation when exposed solely to shearing stress. Its shape alters from a perfect cube into a rhomboid, clearly demonstrating the effect of shearing strain. The degree of this strain is considered positive if it reduces the angle between the...
1.0K
Strain and Elastic Modulus01:15

Strain and Elastic Modulus

8.3K
The quantity that describes the deformation of a body under stress is known as strain. Strain is given as a fractional change in either length, volume, or geometry under tensile, volume (also known as bulk), or shear stress, respectively, and is a dimensionless quantity. The strain experienced by a body under tensile or compressive stress is called tensile or compressive strain, respectively. In contrast, the strain experienced under bulk stress and shear stress is known as volume and shear...
8.3K
Residual Stresses in Bending01:18

Residual Stresses in Bending

439
In the study of elastoplastic members subjected to bending moments, understanding the loading and unloading phases is crucial for assessing material behavior and structural integrity. During the loading phase, as the bending moment increases, the material initially responds elastically, adhering to Hooke's Law, where stress is directly proportional to strain. When the load exceeds the yield strength, plastic deformation occurs, resulting in permanent strain and deformation that remains even...
439

You might also read

Related Articles

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

Sort by
Same author

Brain MR Elastography Metrics Associated with Alterations in Learning and Memory in People with HIV.

Research square·2026
Same author

Merging Single-Track Location Elastographic Imaging with the Frequency Shift Method improves Shear Wave Attenuation Measurements.

Frontiers in physics·2025
Same author

A Hybrid Model Combining U-Net and Transformers for Joint Segmentation and Beamforming of Plane-wave Ultrasound Images.

Ultrasound in medicine & biology·2025
Same author

Combined dual-channel fluorescence depth sensing of indocyanine green and protoporphyrin IX kinetics in subcutaneous murine tumors.

Journal of biomedical optics·2024
Same author

Quantitative Analysis of Scapular Winging Using Moire Topography.

The archives of bone and joint surgery·2024
Same author

Pressure-enhanced sensing of tissue oxygenation via endogenous porphyrin: Implications for dynamic visualization of cancer in surgery.

Proceedings of the National Academy of Sciences of the United States of America·2024

Related Experiment Video

Updated: Dec 13, 2025

Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth
12:18

Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth

Published on: February 9, 2012

12.7K

Shear Induced Non-Linear Elasticity Imaging: Elastography for Compound Deformations.

Soumya Goswami, Rifat Ahmed, Siladitya Khan

    IEEE Transactions on Medical Imaging
    |August 4, 2020
    PubMed
    Summary
    This summary is machine-generated.

    A new non-linear shear modulus (NLSM) estimation method improves ultrasound elastography accuracy for diverse tissue deformations. This technique reduces bias and enhances signal quality, paving the way for more reliable clinical applications.

    More Related Videos

    Author Spotlight: Characterizing Environmental Biofilm Mechanics Using Optical Coherence Elastography and its Applications in Wastewater Treatment
    04:51

    Author Spotlight: Characterizing Environmental Biofilm Mechanics Using Optical Coherence Elastography and its Applications in Wastewater Treatment

    Published on: March 1, 2024

    1.3K
    Measuring Local Tissue Strains in Tendons via Open-Source Digital Image Correlation
    07:50

    Measuring Local Tissue Strains in Tendons via Open-Source Digital Image Correlation

    Published on: January 27, 2023

    3.3K

    Related Experiment Videos

    Last Updated: Dec 13, 2025

    Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth
    12:18

    Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth

    Published on: February 9, 2012

    12.7K
    Author Spotlight: Characterizing Environmental Biofilm Mechanics Using Optical Coherence Elastography and its Applications in Wastewater Treatment
    04:51

    Author Spotlight: Characterizing Environmental Biofilm Mechanics Using Optical Coherence Elastography and its Applications in Wastewater Treatment

    Published on: March 1, 2024

    1.3K
    Measuring Local Tissue Strains in Tendons via Open-Source Digital Image Correlation
    07:50

    Measuring Local Tissue Strains in Tendons via Open-Source Digital Image Correlation

    Published on: January 27, 2023

    3.3K

    Area of Science:

    • Biomedical Engineering
    • Medical Imaging
    • Acoustics

    Background:

    • Non-linear ultrasound elastography aims to measure tissue mechanical properties under finite deformations.
    • Current methods show high bias (10-50%) when deformation deviates from pure uni-axial compression.
    • Clinical translation requires motion-agnostic estimators due to non-uniaxial freehand transducer motion.

    Purpose of the Study:

    • To derive a method for measuring the Non-Linear Shear Modulus (NLSM) under combined shear and axial deformations.
    • To develop a motion-agnostic non-linearity estimator for improved clinical translation of elastography.
    • To reduce bias errors in non-linear elasticity estimates for general deformation conditions.

    Main Methods:

    • Combined quasi-static strain imaging with Single-Track Location-Shear Wave Elastography (STL-SWEI).
    • Generated local estimates of axial strain, shear strain, and Shear Wave Speed (SWS).
    • Reconstructed non-linear elastograms using a novel nonlinear shear modulus estimation scheme for general deformations.

    Main Results:

    • Reduced bias in NLSM values to 6-13% for general deformations.
    • Validated results on tissue-mimicking phantoms against mechanical measurements and multiphysics simulations.
    • Demonstrated 10-15 dB SNR improvement and 25-30% CNR improvement for shear over uni-axial compression.

    Conclusions:

    • The derived method provides consistent non-linear elasticity estimates irrespective of applied deformation type.
    • High fidelity NLSM estimates can be obtained at ~30% lower strain under shear deformation.
    • The technique enhances scan safety and reduces sonographer effort, facilitating clinical translation.