Development of the CAVEMAN Human Body Model: Validation of Lower Extremity Sub-Injurious Response to Vertical Accelerative Loading

Improving injury prediction accuracy and fidelity for mounted Warfighters has become an area of focus for the U.S. military in response to improvised explosive device (IED) use in both Iraq and Afghanistan. Although the Hybrid III anthropomorphic test device (ATD) has historically been used for crew...

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Vydáno v:Stapp car crash journal Ročník 61; s. 175 - 209
Hlavní autoři: Butz, Kent, Spurlock, Chad, Roy, Rajarshi, Bell, Cameron, Barrett, Paul, Ward, Aaron, Xiao, Xudong, Shirley, Allen, Welch, Colin, Lister, Kevin
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States The Stapp Association 01.11.2017
Témata:
Afghanistan War
Anthropomorphism
Armed forces
Automobile safety
Biomechanics
Biomedical engineering
Bones
Brain research
Cartilage
Engineering
Explosions
Explosive devices
Explosives
Females
Finite element method
Fractures
Head injuries
Human body
Human mechanics
Injuries
Injury analysis
Ligaments
Mathematical models
Military
Military vehicles
Muscles
Predictions
Skin
Soft tissues
Survivability
Traffic accidents & safety
Vertical loads
Viscoelasticity
United States > US
Afghanistan
Iraq
ISSN:1532-8546
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Shrnutí:Improving injury prediction accuracy and fidelity for mounted Warfighters has become an area of focus for the U.S. military in response to improvised explosive device (IED) use in both Iraq and Afghanistan. Although the Hybrid III anthropomorphic test device (ATD) has historically been used for crew injury analysis, it is only capable of predicting a few select skeletal injuries. The Computational Anthropomorphic Virtual Experiment Man (CAVEMAN) human body model is being developed to expand the injury analysis capability to both skeletal and soft tissues. The CAVEMAN model is built upon the Zygote 50 percentile male human CAD model and uses a finite element modeling approach developed for high performance computing (HPC). The lower extremity subset of the CAVEMAN human body model presented herein includes: 28 bones, 26 muscles, 40 ligaments, fascia, cartilage and skin. Sensitivity studies have been conducted with the CAVEMAN lower extremity model to determine the structures critical for load transmission through the leg in the underbody blast (UBB) environment. An evaluation of the CAVEMAN lower extremity biofidelity was also carried out using 14 unique data sets derived by the Warrior Injury Assessment Manikin (WIAMan) program cadaveric lower leg testing. Extension of the CAVEMAN lower extremity model into anatomical tissue failure will provide additional injury prediction capabilities, beyond what is currently achievable using ATDs, to improve occupant survivability analyses within military vehicles.
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ISSN:1532-8546
DOI:10.4271/2017-22-0007