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

<div>The <span class="nowrap"><svg height="10.5647pt" id="M134" 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 variation with second crack of double collinear cracks.</div>

International Journal of Aerospace Engineering

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Figure 5

Figure 5: The Numerical Simulation Method of the Slot Crack Groups’ Effect Analysis for Solid Rocket Motor Grain 