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Full-Text Articles in Engineering Science and Materials
Significance Of The Vehicle Front Design And Gait Postures On Traumatic Brain Injuries Sustained By Different Pedestrian Populations During Car-To-Pedestrian Collisions (Cpcs) - A Computational Approach, Thava Kalishwara Kumar Gunasekaran
Significance Of The Vehicle Front Design And Gait Postures On Traumatic Brain Injuries Sustained By Different Pedestrian Populations During Car-To-Pedestrian Collisions (Cpcs) - A Computational Approach, Thava Kalishwara Kumar Gunasekaran
Electronic Thesis and Dissertation Repository
With the increasing prevalence of traumatic brain injuries (TBIs) in road traffic accidents (RTAs), it was identified that the shape of the vehicle's front end and pedestrian postures prior to impact significantly influence pedestrian head injuries. However, the effect of vehicle front shape parameters and gait postures on TBIs sustained in car-to-pedestrian collisions (CPCs) has yet to be quantified. This study used a computational approach to analyze the effect of vehicle shape parameters and pedestrian gait postures on pedestrian TBI risks across a diverse pedestrian population with varying body sizes. Our findings indicate that vehicle shape parameter such as BLEH …
Mechanical Characterization And Shear Test Comparison For Continuous-Fiber Polymer Composites, Matthew Crossan
Mechanical Characterization And Shear Test Comparison For Continuous-Fiber Polymer Composites, Matthew Crossan
Electronic Thesis and Dissertation Repository
As fiber-reinforced composites continue to be used in a wide-range of high performance structures, more detailed understanding and accurate prediction of stress-strain behaviour is necessary to improving designs and reducing costs. This thesis compares the experimental behaviour of a continuous fiber polymer composite of carbon fiber and epoxy resin using Digital Image Correlation to analytical and theoretical predictions. Furthermore, an in-depth analysis of shear testing methods reveals the advantages and limitations of different testing standards. Finally, the limitations of the Iosipescu Shear test (ASTM 5379) fixture to break high-strain-to-failure composites in comparison to the V-notched Rail Shear Fixture (ASTM 7078) …