Calculation of stress and strain in bone with and without intramedullary nail bone with implant just bone DR = 10 mm D= 25 mm L Assume that the load along the length of the femur is perfectly aligned compression (no bending). Assume the rod is made of a cobalt-chromium alloy. Ebone - 17 Gpa ERod 210 GPa 1) Determine the relative loads carried by the rod and the bone. 2) Assume this is a person with a body mass of 80 kg, and the typical compressive load on the femur is 3 times BW. Calculate the difference in stress and strain in the bone between the intact femur and the femur with the implant.

Elements Of Electromagnetics
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Calculation of stress and strain in bone with and without intramedullary nail
bone with
implant
just bone
DR = 10 mm
D= 25 mm
L
Assume that the load along the length of the femur is
perfectly aligned compression (no bending).
Assume the rod is made of a cobalt-chromium alloy.
Ebone - 17 Gpa
ERod 210 GPa
1) Determine the relative loads carried by the rod and
the bone.
2) Assume this is a person with a body mass of 80 kg, and
the typical compressive load on the femur is 3 times BW.
Calculate the difference in stress and strain in the bone
between the intact femur and the femur with the implant.
Transcribed Image Text:Calculation of stress and strain in bone with and without intramedullary nail bone with implant just bone DR = 10 mm D= 25 mm L Assume that the load along the length of the femur is perfectly aligned compression (no bending). Assume the rod is made of a cobalt-chromium alloy. Ebone - 17 Gpa ERod 210 GPa 1) Determine the relative loads carried by the rod and the bone. 2) Assume this is a person with a body mass of 80 kg, and the typical compressive load on the femur is 3 times BW. Calculate the difference in stress and strain in the bone between the intact femur and the femur with the implant.
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