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    Investigation of Blast Wave Propagation: Correlating External Pressures to Brain Injury Predictors

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    BLAST Final Thesis.docx (84.07Mb)
    No. of downloads: 273

    Date
    2014
    Author
    Beaudoin, Judith
    Green, Hallie
    Henricks, Jonathan
    Jones, Samuel
    Kennedy, Catherine
    Peluso, Julie
    Reilly, Michael
    Schwartz, Benjamin
    Shapiro, Andrew
    Yanushevsky, Camilla
    Advisor
    Yu, Miao
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    Abstract
    Blast-induced Traumatic Brain Injury (bTBI) is the signature injury of the Iraq and Afghanistan wars; however, current understanding of bTBI is insufficient. In this study, novel analysis methods were developed to investigate correlations between external pressures and brain injury predictors. Experiments and simulations were performed to analyze placement of helmet-mounted pressure sensors. A 2D Finite Element model of a helmeted head cross-section was loaded with a blast wave. Pressure time-histories for nodes on the inner and outer surfaces of the helmet were cross-correlated to those inside the brain. Parallel physical experiments were carried out with a helmeted headform, pressure sensors, and pressure chamber. These analysis methods can potentially lead to better helmet designs and earlier detection and treatment of bTBI.
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    http://hdl.handle.net/1903/15529
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    DRUM is brought to you by the University of Maryland Libraries
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