Study on the Dynamic Evolution of Through-Crack in the Double Hole of Elliptical Bipolar Linear-Shaped Charge Blasting

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Density (g·cm<sup>−3</sup>)</td><td class="align_center">Elastic modulus (GPa)</td><td class="align_center">Poisson’s ratio (<i>μ</i>)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">PVC</td><td class="align_center">1.3</td><td class="align_center">3.0</td><td class="align_center">0.38</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical parameter of the shaped charge cover [<a href="/journals/sv/2021/3792765/#B23" target="_blank">23</a>].</div>

Shock and Vibration

tab2

Table 2

Table 2: Study on the Dynamic Evolution of Through-Crack in the Double Hole of Elliptical Bipolar Linear-Shaped Charge Blasting 