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A cylindrical shell 1m in diameter and 3m long has a metal thickness of 10mm. If it is subjected to an initial pressure of 3 MPa.

Determine change in length, change in diameter and change in volume. Take E=210KN/mm2, 1/m = 0.3

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Given:

E=210KN/mm2=210×103N/mm21m=μ=0.3d=1×103mm=1000mml=3m=3×103mmt=10mmP=3MPa=3N/mm2

To fFind: δL=δv=δd=?

Solution:

Circumferential stress, $\hspace{0.05cm}\sigma_c = \frac{Pd}{2t} = \frac{3\hspace{0.05cm}\times\hspace{0.05cm}1\hspace{0.05cm}\times\hspace{0.05cm}10^3}{2\hspace{0.05cm}\times\hspace{0.05cm}10} = …

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