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Table 2 Shear correction factor expressions for special cases of rectangular plates under sinusoidal loads

From: Improved shear correction factors for deflection of simply supported very thick rectangular auxetic plates

 

Simple sinusoidal load distribution (m = n = 1)

General sinusoidal load distributions (m, n ≥ 1)

Square plates a = b

\( \kappa =\frac{5}{6}\left[1+\frac{\pi^2}{210\left(1-v\right)}\frac{h^2}{a^2}\right] \)

\( \kappa =\frac{5}{6}\left[1+\frac{\pi^2}{420\left(1-v\right)}\frac{h^2}{a^2}\left({m}^2+{n}^2\right)\right] \)

Rectangular plates a ≠ b

\( \kappa =\frac{5}{6}\left[1+\frac{\pi^2}{420\left(1-v\right)}\frac{h^2}{ab}\left(\frac{b}{a}+\frac{a}{b}\right)\right] \)

\( \kappa =\frac{5}{6}\left[1+\frac{\pi^2}{420\left(1-v\right)}\frac{h^2}{ab}\left(\frac{b}{a}{m}^2+\frac{a}{b}{n}^2\right)\right] \)