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 Materials01:11

Bending of Members Made of Several Materials

440
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 material's...
440
Bending of Curved Members - Strain Analysis01:14

Bending of Curved Members - Strain Analysis

357
The mechanics of deformation in curved members, such as beams or arches, under bending moments, involve complex responses. When such a member, symmetric about the y-axis and shaped like a segment of a circle centered at point C, is subjected to equal and opposite forces, its curvature and surface lengths change significantly. This alteration results in the shift of the curvature's center from C to C', indicating a tighter curve.
The important part of bending analysis for such a member...
357
Residual Stresses in Bending01:18

Residual Stresses in Bending

401
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...
401
Members Made of Elastoplastic Material01:19

Members Made of Elastoplastic Material

253
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...
253
Shear and Bending Moment Diagram: Problem Solving01:24

Shear and Bending Moment Diagram: Problem Solving

2.6K
When analyzing a beam supporting concentrated loads and a distributed load, drawing the shear and bending moment diagrams is essential. These diagrams help understand the internal forces and moments acting on the beam, which is crucial for designing safe and efficient structures. Follow these steps to create the shear and bending moment diagrams:
Draw a Free-Body Diagram: Start by drawing a free-body diagram of the entire beam, including the concentrated loads, distributed load, and reaction...
2.6K
Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

504
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
504

You might also read

Related Articles

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

Sort by
Same author

Female PMHS Thoracic Biomechanical Response Corridors with Preliminary Consideration of the Influence of Breast Tissue in Frontal Impacts.

Stapp car crash journal·2026
Same author

Relationships between human tibia diaphysis shape and experimental injury outcomes.

Journal of forensic sciences·2026
Same author

Thoracic Responses of Rear-Seated Midsized Male Surrogates during Frontal Sled Tests.

Stapp car crash journal·2026
Same author

Comparison of Bending Properties in Paired Human Ribs with and without Costal Cartilage.

Stapp car crash journal·2024
Same author

Thoracic Responses and Injuries of Male Post-Mortem Human Subjects in a Homogeneous Rear-Facing Seat During High-Speed Frontal Impact.

Annals of biomedical engineering·2024
Same author

Isolated Rib Response and Fracture Prediction for Young Mid-Size Male, Enabled by Population Specific Material Models and Rib Cross-Sectional Geometry.

Stapp car crash journal·2024

Related Experiment Video

Updated: Nov 16, 2025

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

12.7K

Subject-specific rib finite element models with material data derived from coupon tests under bending loading.

Keegan M Yates1, Amanda M Agnew2, Devon L Albert1

  • 1Virginia Tech, Blacksburg, VA, USA.

Journal of the Mechanical Behavior of Biomedical Materials
|February 20, 2021
PubMed
Summary

Finite element (FE) models of human ribs are crucial for assessing crash injuries. This study improved FE rib models using a novel morphing technique, enhancing accuracy for predicting biomechanical responses and potential fractures.

Keywords:
Finite element modelingHuman rib modelsImpact biomechanicsMorphing

More Related Videos

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

2.6K
Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

10.0K

Related Experiment Videos

Last Updated: Nov 16, 2025

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

12.7K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

2.6K
Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
09:32

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

10.0K

Area of Science:

  • Biomechanics
  • Computational Modeling
  • Injury Prevention

Background:

  • Rib fractures are common in motor vehicle crashes, necessitating accurate computational models for injury risk assessment.
  • Existing human finite element (FE) models face challenges in accurately predicting rib biomechanical responses due to human variation and diverse modeling approaches.
  • Developing subject-specific rib models is a time-intensive process, limiting widespread application in injury research.

Purpose of the Study:

  • To investigate the influence of different modeling approaches on the biomechanical response of human ribs during anterior-posterior bending.
  • To develop an efficient and accurate morphing algorithm for generating high-quality, subject-specific rib meshes from CT data.
  • To enhance the biofidelity of human rib FE models for improved thoracic injury prediction.

Main Methods:

  • Extracted exterior geometries and cortical-trabecular boundaries of five human 6th-level ribs from CT images.
  • Developed one parametric rib mesh and four subject-specific meshes using an in-house morphing algorithm that automatically defined landmarks.
  • Simulated anterior-posterior bending tests using three distinct cortical bone material models derived from subject-specific tensile coupon tests.

Main Results:

  • FE model simulations demonstrated trends consistent with experimental test data, though some sensitivity to material modeling approaches was observed.
  • The developed FE models exhibited greater resistance to failure compared to experimental data, indicating a need for refined fracture modeling techniques.
  • The morphing algorithm successfully generated accurate subject-specific rib meshes, significantly reducing the time required for model development.

Conclusions:

  • The developed morphing approach offers an efficient method for creating accurate, subject-specific human rib FE models.
  • Improvements in material and fracture modeling are necessary to enhance the predictive accuracy of FE models for rib failure.
  • This research contributes to improving the biofidelity of human rib FE models, aiding in the assessment of thoracic injury risks.