Computation of Energy Release Rates for a Nearly Circular Crack

<table>The energy release rate, <svg height="13.55" id="M279" style="vertical-align:-2.29482pt" version="1.1" viewbox="0 0 32.412498 13.55" width="32.412498" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑓</tspan>
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<tspan style="font-size: 12.50px; " x="25.418598" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="37.458988" y="0">𝜁</tspan>
<tspan style="font-size: 12.50px; " x="46.923759" y="0">+</tspan>
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<tspan style="font-size: 12.50px; " x="67.641228" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="73.892731" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="80.144234" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="86.408234" y="0">𝜁</tspan>
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Mathematical Problems in Engineering

Computation of Energy Release Rates for a Nearly Circular Crack

Figure 3