Calculations of Strains and Internal Displacement Fields Using Computerized Tomography

[+] Author and Article Information
R. J. Gu, J. D. Hovanesian, Y. Y. Hung

Department of Mechanical Engineering, Oakland University, Rochester, MI 48309-4401

J. Appl. Mech 58(1), 24-27 (Mar 01, 1991) (4 pages) doi:10.1115/1.2897159 History: Received December 04, 1989; Revised August 02, 1990; Online March 31, 2008


A novel treatment of computerized tomography is developed to calculate strains and displacements at internal nodes from known boundary displacements. The formulation is blended with finite element numerical scheme. Numerical simulations are performed to verify accuracy of this new technique using several plane problems whose solutions exist in closed form. Excellent agreement shows the potential of developing the tomographic technique into a hybrid numerical-experimental method for solving mechanics problems.

Copyright © 1991 by The American Society of Mechanical Engineers
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