NDLI: Numerical Analysis of the Biomechanical Characteristics and Impact Response of the Human Chest

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Kimpara, Hideyuki Iwamoto, Masami Watanabe, Isao Miki, Kazuo Jong, B. Lee King, H. Yang Albert, I. King
Copyright Year	2004
Abstract	The mass density, Young’s modulus (E), tangent modulus (Et) and yield stress (σy) of the human ribs, sternum, internal organs and muscles play important roles when determining impact responses of the chest associated with pendulum impact. A series of parametric studies was conducted using a commercially available three-dimensional finite element (FE) model, Total HUman Model for Safety (THUMS) of the whole human body, to determine the effect of changing these material properties on the impact force, chest deflection, and the number of rib fractures and fractured ribs. Results from this parametric study indicate that the initial chest stiffness was mainly influenced by the mass density of the muscles covering the torso. The number of rib fractures and fractured ribs were primarily determined by E, Et and σy of the ribcage and sternum. Similarly, the E, Et and σy of the ribcage, which is defined as the bony skeleton of the chest, and sternum and E of the internal organs contributed to the maximum chest deflection in frontal impact, while the maximum chest deflection for lateral impact was mainly affected by the E, Et and σy of the ribcage.
Sponsorship	Transportation
Starting Page	23
Ending Page	33
Page Count	11
File Format	PDF
ISBN	0791847225
DOI	10.1115/IMECE2004-60983
Volume Number	Transportation: Transportation and Environment
Conference Proceedings	ASME 2004 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2004-11-13
Publisher Place	Anaheim, California, USA
Access Restriction	Subscribed
Subject Keyword	Deflection Fracture (materials) Density Biomechanics Fracture (process) Young's modulus Numerical analysis Pendulums Materials properties Muscle Stiffness Finite element analysis Safety Yield stress
Content Type	Text
Resource Type	Article

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