Analysis of a Slanted-Rib Model of the Human Thorax

  • K. Foster


This presentation is concerned with the analysis and applicability of a slanted-rib thorax for simulation of the human thorax. It is shown that the slanted-rib configuration, because of shearing induced in intercostal material, can produce the damping and nonlinear stiffness that are observed in the human thorax. A method of analysis is developed for evaluating the force-deflection characteristics. Rib rotation, bending, and torsion are taken into account in calculating deflections. Numerical results are examined to illustrate the effects of various parameters. Loading-rate sensitivity observed during testing is attributed to the viscoelastic properties of the intercostal material.


Tangential Force Nonlinear Stiffness Plastic Modulus Total Deflection Horizontal Deflection 
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Copyright information

© Springer Science+Business Media New York 1973

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  • K. Foster

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