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.001a.svgz" name="6394749.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>4-node quadrilateral element</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/ijae/volume-2022/6394749/figures/6394749.fig.001b.svgz" name="6394749.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The singular element formed by degenerating the 4-node quadrilateral</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/ijae/volume-2022/6394749/figures/6394749.fig.001c.svgz" name="6394749.fig.001c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Building 2D crack element</td></tr></table>

<div>Singular element and 2D crack element.</div>

International Journal of Aerospace Engineering

fig1

Figure 1

Figure 1: The Numerical Simulation Method of the Slot Crack Groups’ Effect Analysis for Solid Rocket Motor Grain 