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Therefore substituting in (2) and (1), the stress conditions at the inside surface are oH = 420«2 +412w2 - 4.43w2 = 827w2 with Or = 0

and at the outside oH = 420co2 + 11.42m2 - 159co2 = 212u>2

with

The most severe stress conditions therefore occur at the inside radius where the maximum shear stress is greatest oi - o3 827co2 - 0

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