Director of Biomechanics
Education
Ph.D., M.S., Theoretical and Applied
Mechanics,Northwestern University
B.S., Biology, University of Hawaii
Positions/Appointments
Professor, Biomedical Engineering,
University of Memphis
Staff Engineer, DePuy Orthopaedics
Associate Professor, Orthopaedic Surgery,
University of Missouri
Assistant Professor, Orthopaedic Surgery
and Bioengineering, University of Pennsylvania
Expertise
- Biomechanical Testing
- Kinematics
- Finite Element Analysis
- 3-D Modeling
Representative Publications
Laughlin GA, Williams JL, Eick
JD. The influence of system compliance and sample
geometry on composite polymerization shrinkage
stress. J Biomed Mater Res. 2002;63(5):671-8.
Petrie CS, Williams JL. Comparative evaluation of implant
designs: influence of diameter, length, and taper on
strains in the alveolar crest. A three-dimensional
finite-element analysis. Clin Oral Implants Res.
2005 Aug;16(4):486-94.
Snyder RR, Williams JL, Schmidt TL, Salsbury TL. Torsional
strength of double- versus single-screw fixation in
a pig model of unstable slipped capital femoral epiphysis. J
Pediatr Orthop. 2006 May-Jun;26(3):295-9.
Petrie CS, Williams JL. Probabilistic analysis of peri-implant
strain predictions as influenced by uncertainties in
bone properties and occlusal forces. Clin Oral Implants
Res. 2007 Oct;18(5):611-9. Epub 2007 Jun 21.
Williams JL, Gomaa ST. Computational Knee Models of Mobile
Bearing Implants Predict Differences in Kinematics During
Simulated Squat and Lunge Deep Knee Bending Activities.
8th International Symposium on Computer Methods in Biomechanics
and Biomedical Engineering. Feb 27- March 1, 2008. Porto,
Portugal.