Abstract
In this study, stress analysis of tibia and fibula subjected to body weight in static condition was carried out. The tibia and fibula were fabricated by casting process. A 3-D solid model of tibia and fibula was developed in SolidWorks by using the geometry of cross sections at different locations of the fabricated tibia and fibula. The 3-D model was analyzed by ANSYS to evaluate the stress, strain, and deformation for identifying the critical sections of tibia and fibula. It is found that, in terms of deformation, the critical zone is the contact zone between tibia-fibula and patella. However, in terms of stress, the critical zone is located on fibula between 25% and 40% height from the lower mating portion of the tibia and fibula.
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