Stress Analysis of Three-Dimensional Media Containing Localized Zone by FEM-SGBEM Coupling

<table>Maximum normalized mode-I stress intensity factor versus applied pressure at surface of void. Results are reported for isotropic linearly elastic material with <svg height="10.9125" id="M259" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 46.900002 10.9125" width="46.900002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
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<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜈</tspan>
<tspan style="font-size: 12.50px; " x="9.7398367" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="21.780226" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="28.031727" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="31.157476" y="0">3</tspan>
</text>
</g>
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</svg> and two isotropic hardening materials.</table>

Mathematical Problems in Engineering

fig17

Figure 17

Figure 17: Stress Analysis of Three-Dimensional Media Containing Localized Zone by FEM-SGBEM Coupling 