Physics:Blasius–Chaplygin formula

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The Blasius–Chaplygin formula, devised by Sergey Chaplygin from the work of Heinrich Blasius relates the force [math]\displaystyle{ \bar{L} }[/math] given by a complex velocity field [math]\displaystyle{ f }[/math]

[math]\displaystyle{ \bar{L}=\frac{I\rho}2\int_\gamma f^2(z)\,\mathrm dz }[/math]

The equation stated above appears from the analysis of the velocity over a body with a boundary [math]\displaystyle{ \gamma }[/math], taking Bernoulli's law into consideration.[1]

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