Finite element modeling of a femoral stem in a total hip prosthesis
Department of Mechanical Engineering
Master of Science
Artificial hip joints
A three-dimensional model was produced to study of effects of stress on a femoral stem in a total hip prosthesis. Using the ANSYS General Purpose Finite Element Computer Program, a reproduction of the system was constructed for the loads acting on the hip joint at intervals of a walking cycle. With isotropic properties for cortical bone, cancellous bone, cement, and selected alloys, the model was generated using three-dimensional, isoparametric, eight-node, solid elements (STIF45). The model consists of over 700 nodes and 442 elements. This model can be used to produce computer calculated stress data, if disc storage space allows.
njit-etd1984-005 (128 pages ~ 9,579 KB pdf)
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Created October 8, 2003