Research Article

Biomechanical Analysis Using FEA and Experiments of Metal Plate and Bone Strut Repair of a Femur Midshaft Segmental Defect

Table 1

FEA Von Mises peak surface stresses for a 3 kN axial force for all components of Cases 1 to 9. The location of each peak stress occurred at a particular screw or screw hole “level”.

CasePeak Von Mises Stress (MPa) at 3 kN of Axial Force
FemurStrutPlateScrews

140 (inferior neck)---------

2113 (level #8)318 (level #8)378 (level #2)1033 (level #8)

396 (level #1)124 (level #7)325 (level #1)454 (level #7)

442 (level #1)89 (level #6)257 (level #1)293 (level #6)

592 (level #1)75 (level #5)122 (level #3)256 (level #4)

666 (level #2)70 (level #7)283 (level #3)227 (level #4)

786 (level #3)18 (level #4)313 (level #3)288 (level #4)

8112 (level #4)127 (level #5)341 (level #3)388 (level #4)

9171 (level #4)---1039 (level #3)1680 (level #4)