Finite element investigation osteoporotic lumbar L1 vertebra buckling in a presence of torsional load

Authors

  • Olga CHABAROVA Kaunas University of Technology
  • Vidmantas ALEKNA
  • Rimantas KAČIANAUSKAS
  • Oleg ARDATOV

DOI:

https://doi.org/10.5755/j01.mech.23.3.18476

Abstract

In this article, the human lumbar spine region, affected by osteoporosis, L4 vertebra modelling and stability analysis are presented. Tissue degradation problem was examined. Spatial numerical model in SolidWorks computer program environment was done. Numerical experiment was done in finite element method in ANSYS Workbench environment. This article is also given with calculation results, when the compression force and the compression force with tension are applied. Model’s cases for loss of load bearing capacity are examined with simulating aging and osteoporosis effects, which occurs with aging of the tissue. Degradation of the tissue is modelled while applying expressions determined with empirical approach, which link dependency between mechanical properties and porous bone density.

DOI: http://dx.doi.org/10.5755/j01.mech.23.3.18476

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Published

2017-06-27

Issue

Vol. 23 No. 3 (2017)

Section

MECHANICS OF SOLID BODIES

License

The copyright for the articles in this journal is retained by the author(s) with the first publication right granted to the journal. The journal is licensed under the Creative Commons Attribution License 4.0 (CC BY 4.0).