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This study investigates a lumped-parameter human body model which includes lower leg in seated posture within a quarter-car model 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 with non-linear parameters, a physical model of a lumped-parameter human body within a quarter car model was implemented using multi-body dynamic simulation software. For implementing the control scheme, a skyhook algorithm was made to work with the multi-body dynamic model by running a co-simulation with the control scheme software plug-in. The injury criteria and tolerance levels for the biomechanical effects are discussed for each of the identified vulnerable body regions, such as the relative head displacement and the neck bending moment. The desired objective of this analytical model development is to study the performance of adaptive semi-active magnetorheological damper that can be used for vehicle-occupant protection technology enhancements to the seat design in a mine-resistant military vehicle.
Jin-Hyeong Yoo,Muthuvel Murugan, andNorman M. Wereley
"Simulation of adaptive semi-active magnetorheological seat damper for vehicle occupant blast protection", Proc. SPIE 8688, Active and Passive Smart Structures and Integrated Systems 2013, 86881A (10 April 2013); https://doi.org/10.1117/12.2009227
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Jin-Hyeong Yoo, Muthuvel Murugan, Norman M. Wereley, "Simulation of adaptive semi-active magnetorheological seat damper for vehicle occupant blast protection," Proc. SPIE 8688, Active and Passive Smart Structures and Integrated Systems 2013, 86881A (10 April 2013); https://doi.org/10.1117/12.2009227