Creation of a validated 3D finite-element model of an ovine tibia
Grant, Caroline A., Schmutz, Beat, Steck, Roland, Schuetz, Michael, & Epari, Devakara R. (2009) Creation of a validated 3D finite-element model of an ovine tibia. In 4th Asia Pacific Biomechanics Conference, 14-17 April 2009, University of Canterbury, Christchurch. (Unpublished)
Ovine models are widely used in orthopaedics and trauma research. We present the development and validation of an FE model of an ovine tibia for use in the testing of tibia fracture fixation plates. The FE model was generated from CT data of a cadaveric tibia and validated by mechanical testing of the bone. An offset 3-pt bend test was conducted with strain gauges placed on the anterior and posterior surfaces of the diaphysis. The loads applied during testing were applied to the model after digitising their location and orientation with a 3D digitiser. A comparison of the surface strains was conducted. Initial results show a good correlation between the mechanical test and the FE model with calculated strain values within 2% of the measured strains. Further improvements are expected with the incorporation of bone density-specific material properties in the model.
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|Item Type:||Conference Paper|
|Keywords:||Finite Element Analysis, Mechanical Testing, Ovine Tibia, CT, Orthopaedic Implants|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Orthopaedics (110314)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2009 [please consult the author]|
|Deposited On:||27 Apr 2009 16:36|
|Last Modified:||09 Jun 2010 23:37|
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