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A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
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A new finite element with variable Young's modulus.

Katarzyna Mazur1, Marek Krawczuk1, Leszek Dąbrowski1

  • 1Faculty of Mechanical Engineering and Ship Technology, Gdansk University of Technology, Gdańsk, Poland.

International Journal for Numerical Methods in Biomedical Engineering
|April 18, 2023
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Summary

The Finite Element Method (FEM) can be adapted for biological materials like bone. This modification allows for accurate analysis of variable material properties in heterogeneous biological tissues.

Keywords:
CT bone modelFEM

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Area of Science:

  • Biomechanical Engineering
  • Computational Biology
  • Materials Science

Background:

  • The Finite Element Method (FEM) is a standard engineering tool.
  • FEM application in biological sciences is emerging.
  • Bone tissue exhibits complex heterogeneous structures and variable material properties under physiological loads.

Purpose of the Study:

  • To demonstrate the adaptability of standard FEM calculations for biological materials.
  • To incorporate variable material properties into FEM analyses.
  • To provide a method for analyzing bone tissue strength and behavior.

Main Methods:

  • Modification of standard Finite Element Method (FEM) calculations.
  • Inclusion of variable material properties in computational models.
  • Application to heterogeneous biological materials such as bone and wood.

Main Results:

  • Standard FEM calculations can be readily modified.
  • The modified FEM can account for heterogeneous material properties.
  • This approach facilitates more accurate biomechanical analysis.

Conclusions:

  • FEM can be effectively adapted for analyzing biological materials with variable properties.
  • This methodology enhances the understanding of bone tissue mechanics.
  • The approach has potential applications in areas like endoprostheses design.