Application of the Homotopy Perturbation Method for Solving the Foam Drainage Equation

<table>The solution of (<a href="https://static.hindawi.com/articles/ijde/volume-2011/864023/figures/#EEq1">1.1</a>) at <svg height="10.9125" id="M48" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 33.8125 10.9125" width="33.8125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑐</tspan>
<tspan style="font-size: 12.50px; " x="8.6520758" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="20.692465" y="0">3</tspan>
</text>
</g>
</g>
</svg> (a) HPM (b) Exact.</table>

International Journal of Differential Equations

fig4

Figure 4

Figure 4: Application of the Homotopy Perturbation Method for Solving the Foam Drainage Equation 