The Numerical Simulation Method of the Slot Crack Groups’ Effect Analysis for Solid Rocket Motor Grain

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/ijae/volume-2022/6394749/figures/6394749.fig.002a.svgz" name="6394749.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>2D crack element meshing</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/ijae/volume-2022/6394749/figures/6394749.fig.002b.svgz" name="6394749.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>3D crack element meshing and <span class="nowrap"><svg height="10.5647pt" id="M34" style="vertical-align:-1.928801pt" version="1.1" viewbox="-0.0498162 -8.6359 5.99765 10.5647" width="5.99765pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M429 650H175L169 622C251 614 259 612 244 532L174 152C163 91 152 37 135 -6C109 -72 67 -101 23 -113L33 -144C45 -143 73 -134 102 -119C186 -76 229 -1 254 133L327 532C341 609 347 613 423 622L429 650Z"></path></g></svg>-</span>integral loop</td></tr></table>

<div>2D and 3D crack element meshing and <span class="nowrap"><svg height="10.5647pt" id="M33" style="vertical-align:-1.928801pt" version="1.1" viewbox="-0.0498162 -8.6359 5.99765 10.5647" width="5.99765pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M429 650H175L169 622C251 614 259 612 244 532L174 152C163 91 152 37 135 -6C109 -72 67 -101 23 -113L33 -144C45 -143 73 -134 102 -119C186 -76 229 -1 254 133L327 532C341 609 347 613 423 622L429 650Z"></path></g></svg>-</span>integral loop.</div>

International Journal of Aerospace Engineering

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Figure 2

Figure 2: The Numerical Simulation Method of the Slot Crack Groups’ Effect Analysis for Solid Rocket Motor Grain 