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

Members Made of Elastoplastic Material01:19

Members Made of Elastoplastic Material

155
The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
As the bending moment...
155
Plastic Behavior01:21

Plastic Behavior

259
A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
259
Elasticity01:12

Elasticity

3.9K
Elasticity is the ability of an object to withstand the effects of distortion and to return to its original size and shape once the forces causing deformation are removed. When an elastic material deforms under the action of an external force, it experiences internal resistance to the deformation. However, if no external force is applied, it returns to its original state.
The elasticity of an object can be described by a stress-strain curve, which represents the relationship between stress...
3.9K
Residual Stresses in Bending01:18

Residual Stresses in Bending

250
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...
250
Plastic Deformations01:19

Plastic Deformations

184
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
184
Generalized Hooke's Law01:22

Generalized Hooke's Law

1.4K
The generalized Hooke's Law is a broadened version of Hooke's Law, which extends to all types of stress and in every direction. Consider an isotropic material shaped into a cube subjected to multiaxial loading. In this scenario, normal stresses are exerted along the three coordinate axes. As a result of these stresses, the cubic shape deforms into a rectangular parallelepiped. Despite this deformation, the new shape maintains equal sides, and there is a normal strain in the direction of the...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Behavioural biomechanics: leaf-cutter ant cutting behaviour depends on leaf edge geometry.

Proceedings. Biological sciences·2025
Same author

Machine learning-based optimal design of fibrillar adhesives.

Journal of the Royal Society, Interface·2025
Same author

Cutting soft matter: scaling relations controlled by toughness, friction, and wear.

Soft matter·2024
Same author

Force decomposition and toughness estimation from puncture experiments in soft solids.

Soft matter·2024
Same author

Energetics of cytoskeletal gel contraction.

Soft matter·2023
Same author

Mechanics of diffusion-mediated budding and implications for virus replication and infection.

Journal of the Royal Society, Interface·2022
Same journal

Rheology of <i>Escherichia coli</i> suspensions with various bacterial morphologies and motion characteristics.

Soft matter·2026
Same journal

Stress-boundary-memory feedback drives vortical-polar transitions in softly confined active matter.

Soft matter·2026
Same journal

CAGE ionic liquids meet biomembranes: unraveling molecular mechanisms and partitioning kinetics.

Soft matter·2026
Same journal

Steady and oscillatory propulsion in reactive swimming droplets.

Soft matter·2026
Same journal

Axial forces in capillary liquid bridges of polymer solutions.

Soft matter·2026
Same journal

Dual-mode pH-programmable enzymatic hydrogel system for on-demand glucose generation.

Soft matter·2026
See all related articles

Related Experiment Video

Updated: Sep 9, 2025

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants
08:06

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants

Published on: October 28, 2022

1.1K

Hyperelastic characterization via deep indentation.

Mohammad Shojaeifard1, Mattia Bacca1

  • 1Mechanical Engineering Department, Institute of Applied Mathematics School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. mbacca@mech.ubc.ca.

Soft Matter
|September 4, 2025
PubMed
Summary
This summary is machine-generated.

Deep indentation accurately characterizes soft material hyperelasticity, offering a practical alternative to traditional tensile tests. This method reveals universal parabolic force-depth scaling for reliable in situ property extraction.

More Related Videos

Viscoelastic Characterization of Soft Tissue-Mimicking Gelatin Phantoms using Indentation and Magnetic Resonance Elastography
07:57

Viscoelastic Characterization of Soft Tissue-Mimicking Gelatin Phantoms using Indentation and Magnetic Resonance Elastography

Published on: May 10, 2022

2.2K
Experimental and Data Analysis Workflow for Soft Matter Nanoindentation
13:04

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

4.1K

Related Experiment Videos

Last Updated: Sep 9, 2025

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants
08:06

Addressing Practical Issues in Atomic Force Microscopy-Based Micro-Indentation on Human Articular Cartilage Explants

Published on: October 28, 2022

1.1K
Viscoelastic Characterization of Soft Tissue-Mimicking Gelatin Phantoms using Indentation and Magnetic Resonance Elastography
07:57

Viscoelastic Characterization of Soft Tissue-Mimicking Gelatin Phantoms using Indentation and Magnetic Resonance Elastography

Published on: May 10, 2022

2.2K
Experimental and Data Analysis Workflow for Soft Matter Nanoindentation
13:04

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

4.1K

Area of Science:

  • Materials Science
  • Solid Mechanics
  • Biomechanics

Background:

  • Hyperelastic material characterization is vital for understanding soft materials like tissues and polymers.
  • Traditional uniaxial tensile tests require complex sample preparation and are not suitable for in situ analysis.
  • Indentation-based methods offer a non-destructive, in situ alternative but require deep indentation for hyperelastic characterization.

Purpose of the Study:

  • To establish a link between force-depth indentation curves and hyperelastic behavior using finite element analysis.
  • To identify and analyze different indentation regimes (Hertzian, parabolic, intermediate) for soft incompressible materials.
  • To investigate the influence of material properties (Ogden strain-stiffening coefficient) and friction on indentation response.

Main Methods:

  • Finite element analysis (FEA) was employed to model the indentation of soft incompressible materials.
  • A one-term Ogden model was used to represent the hyperelastic material behavior.
  • Force (F) vs. indentation depth (D) curves were analyzed across different indentation regimes (D/R ratios).

Main Results:

  • Three distinct indentation regimes were identified: Hertzian (D ≪ R), parabolic (D ≫ R), and an intermediate regime.
  • The Ogden strain-stiffening coefficient (α) was found to increase the parabolic indentation coefficient (β), enabling α estimation from β.
  • Coulomb friction was observed to increase β, potentially masking strain-stiffening effects for small α, but becoming negligible for α > 3.
  • Experimental validation on various soft materials (Ecoflex, Mold Star, porcine skin) showed good agreement with the predicted power-law regimes.

Conclusions:

  • Deep indentation provides a universal parabolic force-depth scaling, offering a reliable method for hyperelastic property extraction.
  • Indentation-based characterization is a practical and effective alternative to conventional tensile testing for in situ analysis of soft materials.
  • The study demonstrates the feasibility of extrapolating hyperelastic properties (α and E) from indentation data with high accuracy (within 20% deviation).