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

Impact Loading01:19

Impact Loading

191
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
191
Stress-Strain Diagram - Brittle Materials01:24

Stress-Strain Diagram - Brittle Materials

2.2K
Brittle materials, including glass, cast iron, and stone, exhibit unique characteristics. They fracture without considerable change in their elongation rate, indicating that their breaking and ultimate strength are equivalent. Such materials also show lower strain levels at the point of rupture. The failure in brittle materials predominantly results from normal stresses, as evidenced by the rupture created along a surface perpendicular to the applied load. These materials do not display...
2.2K
Unsymmetric Loading of Thin-Walled Members01:23

Unsymmetric Loading of Thin-Walled Members

101
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...
101
Yield Criteria for Ductile Materials under Plane Stress01:25

Yield Criteria for Ductile Materials under Plane Stress

153
In designing structural elements and machine parts using ductile materials, it is crucial to ensure that these components withstand applied stresses without yielding. Yielding is initially determined through a tensile test, which evaluates the material's response to uniaxial stress. However, tensile stress is insufficient when components face biaxial or plane stress conditions This condition requires advanced criteria to predict failure.
The Maximum Shearing Stress Criterion, also known as...
153
Fatigue01:21

Fatigue

174
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
174
Stress Concentrations01:24

Stress Concentrations

273
Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller...
273

You might also read

Related Articles

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

Sort by
Same author

Biological Reality Complicates Universal Theory: A Decade of Work on Puncture Across Organisms.

Integrative and comparative biology·2026
Same author

The biomechanics of fish skin: assessing puncture resistance to the dynamic predatory mechanism of cone snails.

The Journal of experimental biology·2026
Same author

Evolutionary morphology of genital spines informed by puncture mechanics.

Proceedings. Biological sciences·2025
Same author

Sharpening our understanding of saber-tooth biomechanics.

Anatomical record (Hoboken, N.J. : 2007)·2025
Same author

Curving expectations: The minimal impact of structural curvature in biological puncture mechanics.

Science advances·2024
Same author

Quality vs. Quantity: The Consequences of Elevated CO2 on Wood Biomaterial Properties.

Integrative and comparative biology·2024
Same journal

RNA-ligand complexes and the attenuation of neutral confinement in the evolution of RNA secondary structures.

Journal of the Royal Society, Interface·2026
Same journal

Individual detachment-reintegration events in homing pigeon flocks and the dominance of directional adjustment in their kinematic features.

Journal of the Royal Society, Interface·2026
Same journal

Thermal stress disrupts symbiotic fluid dynamics in bobtail squid.

Journal of the Royal Society, Interface·2026
Same journal

Distinct geometrical landscapes distinguish between modes of tristability in gene regulatory networks.

Journal of the Royal Society, Interface·2026
Same journal

Slow modulation of the contraction patterns in Physarum polycephalum.

Journal of the Royal Society, Interface·2026
Same journal

Moo-ving mountains: grazing agents drive terracette formation on steep hillslopes.

Journal of the Royal Society, Interface·2026
See all related articles

Related Experiment Video

Updated: Jun 9, 2025

Performing Microscope-Mounted Y-Shaped Cutting Tests
06:15

Performing Microscope-Mounted Y-Shaped Cutting Tests

Published on: January 20, 2023

1.7K

Being thin-skinned can still reduce damage from dynamic puncture.

Bingyang Zhang1, Bishal Baskota1, Philip S L Anderson1

  • 1Department of Evolution, Ecology, and Behavior, School of Integrative Biology, University of Illinois Urbana-Champaign, 505 S. Goodwin Avenue, Urbana, IL 61801, USA.

Journal of the Royal Society, Interface
|October 23, 2024
PubMed
Summary
This summary is machine-generated.

The outer skin layer effectively reduces dynamic puncture damage by utilizing interlayer properties. Natural skin outperforms synthetic materials in resisting puncture, offering insights for bio-inspired designs.

Keywords:
biological puncturedamage resistancedynamiclayered materialsskin

More Related Videos

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
09:12

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

Published on: June 28, 2015

8.5K
Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System
10:52

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

8.5K

Related Experiment Videos

Last Updated: Jun 9, 2025

Performing Microscope-Mounted Y-Shaped Cutting Tests
06:15

Performing Microscope-Mounted Y-Shaped Cutting Tests

Published on: January 20, 2023

1.7K
A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
09:12

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

Published on: June 28, 2015

8.5K
Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System
10:52

Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

Published on: August 7, 2018

8.5K

Area of Science:

  • Biomechanics
  • Materials Science
  • Zoology

Background:

  • The integumentary system provides defense against external forces through evolved layered structures like skin and scales.
  • Previous research focused on low-rate mechanical defense, leaving dynamic puncture response underexplored.
  • Understanding dynamic puncture is crucial for biological defense mechanisms.

Purpose of the Study:

  • To investigate the mechanics of dynamic puncture in layered biological and synthetic tissues.
  • To determine the role of interlayer properties in damage resistance during dynamic puncture.
  • To compare the damage resistance of natural skin with synthetic tissue simulants.

Main Methods:

  • Development of a novel experimental framework for dynamic puncture testing.
  • Utilizing bilayer composite materials mimicking tissue properties.
  • Testing both synthetic and natural skin tissues under dynamic puncture conditions.

Main Results:

  • A thin outer skin layer significantly reduces the extent of dynamic puncture damage.
  • Interlayer properties govern damage resistance through puncture energetics.
  • Damage resistance decreases at higher puncture rates in silicone simulants due to rate-dependent effects.
  • Natural skin tissues demonstrate superior damage reduction compared to synthetic materials.

Conclusions:

  • Layered integumentary structures, particularly the outer skin layer, are highly effective at mitigating dynamic puncture damage.
  • Interlayer properties and material behavior significantly influence puncture resistance.
  • Natural skin possesses unique biomechanical properties for enhanced damage reduction, providing a basis for bio-inspired engineering applications.