Model Sensitivity and Use of the Comparative Finite Element Method in Mammalian Jaw Mechanics: Mandible Performance in the Gray Wolf
2011

Model Sensitivity and Use of the Comparative Finite Element Method in Mammalian Jaw Mechanics

Sample size: 44 publication Evidence: moderate

Author Information

Author(s): Tseng Zhijie Jack, Mcnitt-Gray Jill L., Flashner Henryk, Wang Xiaoming, Enciso Reyes

Primary Institution: University of Southern California

Hypothesis

How do variations in model parameters affect performance measures in finite element analysis of mammalian jaw mechanics?

Conclusion

The study found that performance measures in finite element models are differentially affected by variations in initial model parameters.

Supporting Evidence

  • Results showed that bite force outputs are least affected by muscle ratios above 0.5.
  • Strain energy is least affected by bite point constraints but varies significantly with different muscle ratios.
  • Models with more muscle subgroups showed lower stresses in the mandible.

Takeaway

This study looked at how changing different settings in computer models of wolf jaws can change the results we get about how strong their bites are.

Methodology

Sensitivity analyses were conducted on a finite element model of a Gray Wolf mandible by testing a range of values for seven required parameters.

Limitations

The study did not validate input values against in vivo data, which may limit the applicability of the findings to real-world scenarios.

Digital Object Identifier (DOI)

10.1371/journal.pone.0019171

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication