A Dynamic, Nonlinear Finite-Element Model of a Human Leg

[+] Author and Article Information
T. K. Hight

Department of Mechanical Engineering and Materials Science, Duke University, Durham, N.C. 27706

R. L. Piziali

Department of Mechanical Engineering, Stanford University, Stanford, Calif. 94305

D. A. Nagel

Department of Orthopaedic Surgery, Stanford University, Stanford, Calif. 94305

J Biomech Eng 101(3), 176-184 (Aug 01, 1979) (9 pages) doi:10.1115/1.3426242 History: Received August 14, 1978; Revised April 16, 1979; Online October 21, 2010


The development of a dynamic, nonlinear finite-element model of a human leg is presented. The model is designed to accommodate large three-dimensional displacements and rotations, to accurately reflect the nonlinear stiffness characteristics of the knee joint, and to facilitate efficient stress-level calculations. Numerical examples are presented which demonstrate the nonlinear capabilities of the model. In addition, a brief example illustrates the ability of the model to respond to a complex loading history measured during a downhill skiing maneuver and to predict cross-sectional stress levels.

Copyright © 1979 by ASME
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