The focus of this paper is on the description of progressive fracture in distal radius in the event of a fall onto an outstretched hand. The inception of fracture, which involves formation of a macrocrack in the cortical tissue, is defined by invoking a macroscopic failure criterion that accounts for inherent anisotropy of the material. The subsequent propagation of damage is described by employing a homogenization procedure in which the average properties of cortical tissue intercepted by a macrocrack are established. The framework is verified by performing a series of nonlinear finite element analyses. In particular, the experimental tests recently conducted by the authors and their colleagues on a number of cadaver radii under boundary conditions leading to Colles’ fracture are simulated, and the results are compared with the experimental outcome.
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e-mail: pietrusz@mcmaster.ca
e-mail: gdelakm@mcmaster.ca
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January 2010
Research Papers
Inelastic Analysis of Fracture Propagation in Distal Radius
S. Pietruszczak,
S. Pietruszczak
Department of Civil Engineering,
e-mail: pietrusz@mcmaster.ca
McMaster University
, Hamilton, ON, L8S 4L7, Canada
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K. Gdela
K. Gdela
Department of Civil Engineering,
e-mail: gdelakm@mcmaster.ca
McMaster University
, Hamilton, ON, L8S 4L7, Canada
Search for other works by this author on:
S. Pietruszczak
Department of Civil Engineering,
McMaster University
, Hamilton, ON, L8S 4L7, Canadae-mail: pietrusz@mcmaster.ca
K. Gdela
Department of Civil Engineering,
McMaster University
, Hamilton, ON, L8S 4L7, Canadae-mail: gdelakm@mcmaster.ca
J. Appl. Mech. Jan 2010, 77(1): 011009 (10 pages)
Published Online: September 30, 2009
Article history
Received:
July 30, 2008
Revised:
February 13, 2009
Published:
September 30, 2009
Citation
Pietruszczak, S., and Gdela, K. (September 30, 2009). "Inelastic Analysis of Fracture Propagation in Distal Radius." ASME. J. Appl. Mech. January 2010; 77(1): 011009. https://doi.org/10.1115/1.3168595
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