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A finite element analysis of the load transfer between an above-knee residual limb and its prosthetic socket-roles of interface friction and distal-end boundary conditions

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2 Author(s)
Ming Zhang ; Rehabilitation Eng. Center, Hong Kong Polytech. Univ., Kowloon, Hong Kong ; A. F. T. Mak

A nonlinear finite element model was developed to investigate the manner of the load transfer between the above-knee residual limb and its prosthetic socket. The model was two-dimensional (2-D) with consideration of nonlinear boundary conditions and large deformation. Interface elements were used to simulate the friction/slip conditions between skin and the socket. Different distal-end conditions, including air cushion distal-end loading, were simulated to explore their influences on the load transfer

Published in:

IEEE Transactions on Rehabilitation Engineering  (Volume:4 ,  Issue: 4 )