The aim of this study is to investigate the propagation of shock waves and self-preserving waves in soft tissues such as aorta and brain as a mechanism of injury in high rate loading conditions as seen in blunt trauma and blast-induced trauma (BIT). It is shown that such phenomena can only be seen in nonlinear viscoelastic materials and the existing linear and quasi-linear models predict only decaying waves. Based on the results of this study, it is shown that when studying such high-rate loading conditions as in a blast, it is critical to consider the discontinuities predicted in strain and stress in certain realistic initial conditions to accurately determine the extent of soft tissue injuries.
Volume Subject Area:
Poster Session II: Biomechanics of Injury
Topics:
Injury mechanisms,
Shock waves,
Soft tissues,
Waves,
Aorta,
Brain,
Stress,
Viscoelastic materials,
Wounds
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