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

Bending of Members Made of Several Materials01:08

Bending of Members Made of Several Materials

155
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
155
Residual Stresses in Bending01:18

Residual Stresses in Bending

178
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...
178
Stress-Strain Diagram - Ductile Materials01:24

Stress-Strain Diagram - Ductile Materials

789
The stress-strain relationship in ductile materials such as structural steel or aluminium is intricate and progresses through several stages. When a specimen is loaded, it initially exhibits a linear length increase, depicted by a steep straight line on the stress-strain diagram. It indicates the material is elastically deforming and will return to its original shape once unloaded. However, when a critical stress value is reached, plastic deformation begins. This stage sees substantial...
789
Members Made of Elastoplastic Material01:19

Members Made of Elastoplastic Material

101
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...
101
Unsymmetric Loading of Thin-Walled Members01:23

Unsymmetric Loading of Thin-Walled Members

115
Thin-walled members with non-symmetrical cross-sections are vital to engineering structures, offering material efficiency and structural integrity. However, unsymmetrical loading on these members leads to complex stress distributions, resulting in simultaneous bending and twisting can cause deformation or structural failure. The interaction between bending and twisting requires detailed analysis to ensure structural resilience.
The concept of the shear center is crucial in countering the...
115
Principal Stresses: Problem Solving01:15

Principal Stresses: Problem Solving

188
When analyzing two planes intersecting at right angles under the influence of shearing, tensile, and compressive stresses, it is essential to identify principal planes, maximum shearing stress, and principal stresses. To find the principal planes, apply a formula that equates them to twice the shearing stress divided by the difference between tensile and compressive stresses.
188

You might also read

Related Articles

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

Sort by
Same author

Localized tension-induced giant folding in unstructured elastic sheets.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Mechanics of pressurized cellular sheets.

Journal of the Royal Society, Interface·2025
Same author

Uncovering the mechanical secrets of the squirting cucumber.

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

Soft matter physics of the ground beneath our feet.

Soft matter·2024
Same author

Dehydration-induced corrugated folding in <i>Rhapis excelsa</i> plant leaves.

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

Stochastic paleoclimatology: Modeling the EPICA ice core climate records.

Chaos (Woodbury, N.Y.)·2023
Same journal

Nanopore sequencing with proteins: synchronization and dischronization of molecular dynamics simulations with laboratory and industrial developments.

Soft matter·2026
Same journal

Catanionics from biosurfactants and regular surfactants: miscibility and structure.

Soft matter·2026
Same journal

Adhesives with a thickness smaller than the fractocohesive length enhance adhesion.

Soft matter·2026
Same journal

Non-equilibrium phase transitions in hybrid Voronoi models of cell colonies.

Soft matter·2026
Same journal

Effects of methoxy substituents on self-assembly and gelation performance of benzamide-based organogelators.

Soft matter·2026
Same journal

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

Soft matter·2026
See all related articles

Related Experiment Video

Updated: Jul 11, 2025

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates
07:53

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Published on: April 27, 2019

8.3K

Wrinkling composite sheets.

Marc Suñé1, Cristóbal Arratia1, A F Bonfils1

  • 1Nordita, Stockholm University and KTH Royal Institute of Technology, Hannes Alfvéns väg 12, SE-106 91 Stockholm, Sweden. marc.sune.simon@su.se.

Soft Matter
|November 6, 2023
PubMed
Summary
This summary is machine-generated.

We studied how composite sheets buckle on liquid foundations. Sheet properties like stiffness and elastic coefficients dictate buckling modes, with degeneracy observed in homogeneous sheets but not inhomogeneous ones.

More Related Videos

Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing
08:40

Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing

Published on: February 11, 2016

11.7K
Wicking Tests for Unidirectional Fabrics: Measurements of Capillary Parameters to Evaluate Capillary Pressure in Liquid Composite Molding Processes
07:06

Wicking Tests for Unidirectional Fabrics: Measurements of Capillary Parameters to Evaluate Capillary Pressure in Liquid Composite Molding Processes

Published on: January 27, 2017

8.8K

Related Experiment Videos

Last Updated: Jul 11, 2025

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates
07:53

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Published on: April 27, 2019

8.3K
Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing
08:40

Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing

Published on: February 11, 2016

11.7K
Wicking Tests for Unidirectional Fabrics: Measurements of Capillary Parameters to Evaluate Capillary Pressure in Liquid Composite Molding Processes
07:06

Wicking Tests for Unidirectional Fabrics: Measurements of Capillary Parameters to Evaluate Capillary Pressure in Liquid Composite Molding Processes

Published on: January 27, 2017

8.8K

Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Solid Mechanics

Background:

  • Confined composite sheets on liquid foundations exhibit complex buckling behaviors.
  • Understanding buckling modes is crucial for predicting material failure and designing stable structures.

Purpose of the Study:

  • To investigate the buckling shape and critical compression of confined inhomogeneous composite sheets on a liquid foundation.
  • To analyze the influence of sheet properties and substrate characteristics on buckling modes.

Main Methods:

  • Solving the beam equation for mechanical equilibrium of sheets with spatially varying bending stiffness.
  • Utilizing asymptotic analysis for long sheets to explain degeneracy in wrinkled states.
  • Comparing buckling behaviors of homogeneous and inhomogeneous sheets.

Main Results:

  • Buckling modes are governed by bending stiffness, substrate density, and spatially dependent elastic coefficients.
  • Homogeneous sheets show a degeneracy of wrinkled states due to switching between symmetric and antisymmetric buckling modes.
  • Inhomogeneous sheets lack this degeneracy, with buckling concentrating energy in softer regions for longer sheets.

Conclusions:

  • The spatial variation of elastic coefficients significantly alters buckling behavior compared to homogeneous sheets.
  • Sheet length and material properties determine the localization of bending energy during buckling.
  • This research provides insights into the mechanics of composite materials under confinement.