Browsing by Subject "prosthetic feet"
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Item Topology Optimization and Freeform Fabrication Framework for Developing Prosthetic Feet(University of Texas at Austin, 2009-09) Fey, Nicholas P.; South, Brian J.; Seepersad, Carolyn C.; Neptune, Richard R.The ability to easily design and manufacture prosthetic feet with novel design characteristics has great potential to improve amputee rehabilitation and care. This study presents a framework using topology optimization methods to develop new prosthetic feet to be manufactured using selective laser sintering. As an example application, the framework was used to generate a prosthetic foot that minimizes material usage while trying to replicate the stiffness characteristics of a commercially available carbon fiber foot. The solution was validated using finite element methods to verify the foot’s loading response, and a prototype was manufactured. The result was a novel foot design that with future design modification has the potential to improve amputee gait by providing energy storage and return and reducing prosthetic weight.