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 Experiment Videos

A three-dimensional digital image correlation technique for strain measurements in microstructures.

E Verhulp1, B van Rietbergen, R Huiskes

  • 1Department of Biomedical Engineering, Eindhoven University of Technology, Room WH 4.128, Den Dolech 2, 5600 MB Eindhoven, The Netherlands.

Journal of Biomechanics
|July 28, 2004
PubMed
Summary

A novel 3D digital image correlation technique measures local strain in open-cell structures like trabecular bone. This method uses computed tomography and tetrahedronization for precise, visualized deformation analysis.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

A 2D-registration algorithm for the correction of motion-induced misalignments of consecutive image stacks in multi-stack high-resolution peripheral quantitative CT scans.

Bone·2025
Same author

Bone microarchitecture and strength assessment in adults with osteogenesis imperfecta using HR-pQCT: normative comparison and challenges.

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research·2024
Same author

A new semi-orthotopic bone defect model for cell and biomaterial testing in regenerative medicine.

Biomaterials·2021
Same author

Reference data and calculators for second-generation HR-pQCT measures of the radius and tibia at anatomically standardized regions in White adults.

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·2021
Same author

Assessment of the healing of conservatively-treated scaphoid fractures using HR-pQCT.

Bone·2021
Same author

Associations between bone attenuation and prevalent vertebral fractures on chest CT scans differ with vertebral fracture locations.

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·2021

Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Mechanical Engineering

Background:

  • Accurate strain measurement in open-cell structures, such as trabecular bone, is crucial for understanding their mechanical behavior.
  • Existing methods may lack the resolution or precision to analyze strain at the individual trabecula level.

Purpose of the Study:

  • To present a novel three-dimensional (3D) digital image correlation (DIC) technique for precise strain measurements in open-cell structures.
  • To enable local strain-state determination within single trabeculae using high-resolution computed tomography (HR-CT) data.

Main Methods:

  • Utilized HR-CT images to obtain displacement measurements within the solid structure of open-cell materials.
  • Employed a tetrahedronization method to discretize the solid structure into tetrahedral elements for displacement calculation at nodes.

Related Experiment Videos

  • Converted displacement data to deformation tensors using a least-squares estimation and visualized local strain on a deformed mesh via finite element post-processing.

    • Main Results:

    • Successfully determined and validated the deformation of a single trabecula from an aluminum foam sample against rendered 3D images.
    • Precision analysis confirmed that rigid translation or rotation does not impact accuracy.
    • Achieved typical standard deviations of 2.0 micrometers for displacement and 0.01 for strain components.

    Conclusions:

    • The developed 3D DIC technique provides accurate and visualized local strain measurements in open-cell structures.
    • The technique's precision currently limits its application to strain measurements exceeding the yield strain.
    • This method offers a valuable tool for analyzing the mechanical properties of trabecular bone and similar biomaterials.