Projects / P-05
Engineering & modelling

Finite element analysis of spinal fixation

Modelling vertebrae in Abaqus to see whether adding screws and rods reduces the mechanical load on the joints between them.

P-052025
Project
How screws and rods change the load on the spine
Context
MSc, University of Sheffield
Abaqusfinite element model
2cases compared: with and without hardware

The question

Does spinal fixation hardware reduce stress at the joints between vertebrae?

What I did

  • Built a finite element model of vertebrae in Abaqus.
  • Modelled the spine with and without fixation hardware (screws and rods).
  • Compared stress and pressure distribution at the joints to measure how the hardware changes load transfer.
  • Used the comparison to draw evidence-based conclusions, the same pattern as an engineering analysis that supports a design decision.