Multiscale Model of Blast Explosion Human Injury Biomechanics

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publication-listing mt-3 mb-3"> <h5 class="card-header" style="font-size:.9rem">Multiscale Model of Blast Explosion Human Injury Biomechanics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raj%20K.%20Gupta">Raj K. Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=X.%20Gary%20Tan"> X. Gary Tan</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrzej%20Przekwas"> Andrzej Przekwas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bomb blasts from Improvised Explosive Devices (IEDs) account for vast majority of terrorist attacks worldwide. Injuries caused by IEDs result from a combination of the primary blast wave, penetrating fragments, and human body accelerations and impacts. This paper presents a multiscale computational model of coupled blast physics, whole human body biodynamics and injury biomechanics of sensitive organs. The disparity of the involved space- and time-scales is used to conduct sequential modeling of an IED explosion event, CFD simulation of blast loads on the human body and FEM modeling of body biodynamics and injury biomechanics. The paper presents simulation results for blast-induced brain injury coupling macro-scale brain biomechanics and micro-scale response of sensitive neuro-axonal structures. Validation results on animal models and physical surrogates are discussed. Results of our model can be used to 'replicate' filed blast loadings in laboratory controlled experiments using animal models and in vitro neuro-cultures. <iframe src="https://publications.waset.org/abstracts/56654.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blast%20waves" title="blast waves">blast waves</a>, <a href="https://publications.waset.org/abstracts/search?q=improvised%20explosive%20devices" title=" improvised explosive devices"> improvised explosive devices</a>, <a href="https://publications.waset.org/abstracts/search?q=injury%20biomechanics" title=" injury biomechanics"> injury biomechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20models" title=" mathematical models"> mathematical models</a>, <a href="https://publications.waset.org/abstracts/search?q=traumatic%20brain%20injury" title=" traumatic brain injury"> traumatic brain injury</a> </p> <a href="https://publications.waset.org/abstracts/56654/multiscale-model-of-blast-explosion-human-injury-biomechanics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56654.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">249</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> 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Multiscale Model of Blast Explosion Human Injury Biomechanics