(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Hi, this is my first time posting so I hope you can see the attachment.

2. Relevant equations

Hoop stress = pr/t

Longitudinal stress = pr/2t

3. The attempt at a solution

I am stuck on part a), afterwards I think I should be fine.

I am guessing you can "add" axial stresses induced by the 30kN force...but I'm not sure? In this case I have:

Circumferential stress = pr/t = 26.25MPa [Tension]

Longitudinal stress = pr/2t - 2 * (F/A) = -285.29Mpa. [compression]

The longitudinal stress is large which leads me to believe I have done something wrong.

Any help or clarification would be greatly appreciated.

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# Thin walled pressure vessel with added forces

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