Question 5.9: A cylindrical shell with r =30 in. is simply supported at th...

A cylindrical shell with r =30 in. is simply supported at the ends. If L=10 ft and t =0.375 in., find the critical buckling pressure for a uniform applied pressure to sides and ends. Let E =29 × 10^{6} psi.

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\frac{L}{r} = 4.0

\frac{D}{t} = 160.

From Figure 5.18, K =16, and from Eq. (5.27b),

P_{ cr }=K E\left(\frac{1}{D_{0}}\right)^{3}                       (5.27b)

P_{ cr }=(16)(29,000,000)\left(\frac{0.375}{60}\right)^{3}

 

P_{ cr }=113 psi
5 18

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