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

Plastic Deformations of Members with a Single Plane of Symmetry01:21

Plastic Deformations of Members with a Single Plane of Symmetry

434
When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...
434
Plastic Deformations01:14

Plastic Deformations

576
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
576
Plastic Deformations01:19

Plastic Deformations

556
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...
556
Members Made of Elastoplastic Material01:19

Members Made of Elastoplastic Material

464
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...
464
Plastic Behavior01:21

Plastic Behavior

690
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...
690
Residual Stresses in Bending01:18

Residual Stresses in Bending

642
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...
642

You might also read

Related Articles

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

Sort by
Same author

Yielding and Memory in a Driven Mean-Field Model of Glasses.

Physical review letters·2026
Same author

The strain-stiffening critical exponents in polymer networks and their universality.

The Journal of chemical physics·2025
Same author

Testing the heterogeneous-elasticity theory for low-energy excitations in structural glasses.

Physical review. E·2025
Same author

Enumerating low-frequency nonphononic vibrations in computer glasses.

The Journal of chemical physics·2024
Same author

Effects of coordination and stiffness scale separation in disordered elastic networks.

Physical review. E·2024
Same author

Elasticity of self-organized frustrated disordered spring networks.

Physical review. E·2024

Related Experiment Video

Updated: Mar 19, 2026

Studying Large Amplitude Oscillatory Shear Response of Soft Materials
06:07

Studying Large Amplitude Oscillatory Shear Response of Soft Materials

Published on: April 25, 2019

13.8K

Micromechanics of nonlinear plastic modes.

Edan Lerner1

  • 1Institute for Theoretical Physics, Institute of Physics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, the Netherlands.

Physical Review. E
|June 15, 2016
PubMed
Summary

Nonlinear plastic modes (NPMs) predict plastic instabilities in solids. Unlike linear elastic modes, NPMs show different dynamics, converging earlier to instability, aiding prediction.

Area of Science:

  • Solid Mechanics
  • Materials Science
  • Computational Physics

Background:

  • Plastic instabilities limit material performance.
  • Predicting these instabilities is crucial for material design.
  • Nonlinear plastic modes (NPMs) offer a new perspective.

Purpose of the Study:

  • To develop an atomistic theory for NPMs.
  • To compare NPM dynamics with linear elastic theory.
  • To assess NPMs for predicting plastic instabilities.

Main Methods:

  • Formulation of atomistic theory for NPMs.
  • Analysis of NPM evolution under external deformation.
  • Comparison with destabilizing eigenmodes from linear elastic theory.

More Related Videos

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
11:28

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

13.0K
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

5.0K

Related Experiment Videos

Last Updated: Mar 19, 2026

Studying Large Amplitude Oscillatory Shear Response of Soft Materials
06:07

Studying Large Amplitude Oscillatory Shear Response of Soft Materials

Published on: April 25, 2019

13.8K
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
11:28

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

13.0K
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

5.0K

Main Results:

  • NPMs and destabilizing eigenmodes exhibit distinct scaling laws near instability.
  • Destabilizing modes show singular variation; NPMs do not.
  • NPMs converge earlier to their final form at plastic instabilities.

Conclusions:

  • NPMs offer a more robust predictor of plastic instabilities than linear elastic modes.
  • The early convergence of NPMs aids in predicting instability locus and geometry.
  • This work advances the understanding of material failure mechanisms.