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Finite element investigation of seatbelt systems for improving occupant protection during rollover crashes
The seatbelt system, originally designed for protecting occupants in frontal crashes, has been reported to be inadequate for preventing occupant head-to-roof contact during rollover crashes. To improve the effectiveness of seatbelt systems in rollovers, in this study, we reviewed previous...
Quantifying dynamic mechanical properties of human placenta tissue using optimization techniques with specimen-specific finite-element models
Motor-vehicle crashes are the leading cause of fetal deaths resulting from maternal trauma in the United States, and placental abruption is the most common cause of these deaths. To minimize this injury, new assessment tools, such as crash-test dummies and computational models of pregnant women,...
Quantifying cervical-spine curvature using bezier splines
Knowledge of the distributions of cervical-spine curvature is needed for computational studies of cervical-spine injury in motor-vehicle crashes. Many methods of specifying spinal curvature have been proposed, but they often involve qualitative assessment or a large number of parameters. The...
Injury risk curves for the skeletal knee-thigh-hip complex for knee-impact loading
Injury risk curves for the skeletal knee-thigh-hip (KTH) relate peak force applied to the anterior aspect of the flexed knee, the primary source of KTH injury in frontal motor-vehicle crashes, to the probability of skeletal KTH injury. Previous KTH injury risk curves have been developed from...
Effects of BMI on the risk and frequency of AIS 3+ injuries in motor-vehicle crashes
Objective: Determine the effects of BMI on the risk of serious-to-fatal injury (Abbreviated Injury Scale greater than or equal to 3 or AIS 3+) to different body regions for adults in frontal, nearside, farside, and rollover crashes. Design and Methods: Multivariate logistic regression analysis was...
Effects of crash pulse, impact angle, occupant size, front seat location, and restraint system on rear seat occupant protection
In this study, two sled series were conducted with a sled buck representing a compact vehicle. The first series of tests focused on the effects of crash pulse, impact angle, occupant size, and front seat location on rear seat occupant restraint with a generic rear-seat belt system without pre-...
Analysis of car deformation effect on AIS3+ head injury in frontal crash using logistic regression modeling
The influence of vehicle deformation on the risks of head injury for the drivers involved in frontal crashes is studied using real world crash data. There are three types of vehicle damage distribution considered in this paper, namely, wide distribution, moderate offset, and small offset. The...

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