In this study, a lumped-parameter human body including lower leg in seated posture with a quarter-car model was developed for blast injury assessment simulation. To simulate the shock acceleration of the vehicle, mine blast analysis was conducted on a generic land vehicle crew compartment (sand box) structure. For the purpose of simulating human body dynamics, a physical model of lumped-parameter human body with a quarter car model was developed and implemented in multi-body dynamic simulation software. The injury criteria and tolerance levels for the biomechanical effects are discussed for each of the identified vulnerable body regions, such as the lower leg, the spine, and the neck. Passive seat and footrest damper devices were analytically evaluated to investigate their effectiveness for a seated occupant in a vehicle environment during a blast event. The seat damper has significant influence on the neck and the spine injury assessment values; however has less influence on the lower leg injury assessment value. For protecting the lower leg from injury, a separated footrest with a passive spring-damper system was more effective than the seat damper.
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ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 19–21, 2012
Stone Mountain, Georgia, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4510-3
PROCEEDINGS PAPER
Development of a Lumped-Parameter Occupant Injury Assessment Model for Vehicular Blast Effects Simulation
JinHyeong Yoo
,
JinHyeong Yoo
U.S. Army Research Laboratory, Aberdeen Proving Ground, MD
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Muthuvel Murugan
,
Muthuvel Murugan
U.S. Army Research Laboratory, Aberdeen Proving Ground, MD
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Dy Le
Dy Le
U.S. Army Research Laboratory, Aberdeen Proving Ground, MD
Search for other works by this author on:
JinHyeong Yoo
U.S. Army Research Laboratory, Aberdeen Proving Ground, MD
Muthuvel Murugan
U.S. Army Research Laboratory, Aberdeen Proving Ground, MD
Dy Le
U.S. Army Research Laboratory, Aberdeen Proving Ground, MD
Paper No:
SMASIS2012-7914, pp. 305-312; 8 pages
Published Online:
July 24, 2013
Citation
Yoo, J, Murugan, M, & Le, D. "Development of a Lumped-Parameter Occupant Injury Assessment Model for Vehicular Blast Effects Simulation." Proceedings of the ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting. Stone Mountain, Georgia, USA. September 19–21, 2012. pp. 305-312. ASME. https://doi.org/10.1115/SMASIS2012-7914
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