The Numerical Simulation of the Crack Elastoplastic Extension Based on the Extended Finite Element Method

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="157130.fig.0014a" src="https://static.hindawi.com/articles/mpe/volume-2013/157130/figures/157130.fig.0014a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Unsaturated plastic zone</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="157130.fig.0014b" src="https://static.hindawi.com/articles/mpe/volume-2013/157130/figures/157130.fig.0014b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Saturated plastic zone</td></tr></table></td></tr></table>

<table>Equivalent plastic strain before expansion.</table>

Mathematical Problems in Engineering

fig14

Figure 14

Figure 14: The Numerical Simulation of the Crack Elastoplastic Extension Based on the Extended Finite Element Method 