Solve Problem 5.13 using Doublet-Lattice Method with taking 8 points in spanwise and 8 points in chordwise

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Solve Problem 5.13 using Doublet-Lattice Method with taking 8 points in spanwise and 8 points in chordwise directions. Compare the results.

Problem 5.13

A thin wing with aspect ratio 3 is oscillating simple harmonically in bending mode with the following amplitude distribution along span

\[ \bar{h}(y / l))=0.18043(y / l)+1.70255(y / l)^{2}-1.13688(y / l)^{3}+0.25387(y / l)^{4} \]

For \(\mathrm{M}=0.24\) and \(\mathrm{k}=0.47\), using sufficient number of control points obtain the pressure discontinuity. Integrate the pressure discontinuity for the entire surface to find the amplitude of the lift.

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