* The stresses on the outside surface of a thin-walled pressure vessel are shown

Question

* The stresses on the outside surface of a thin-walled pressure vessel are shown in Fig. P2-80. The vessel is constructed by wrapping a steel plate into a spiral and butt-welding the mating edges of the plate. If the butt-welded seams form an angle of 33 degree with the longitudinal axis of the vessel, Determine the normal stress perpendicular to the weld a-b and the shear stress parallel to the weld and show the results on a sketch. Determine the principal stresses and the maximum shearing stress at the point. Show the results of part b on a triangular stress element.

Explanation / Answer

https://dl.dropbox.com/u/17730294/Image0574.jpg https://dl.dropbox.com/u/17730294/Image0575.jpg https://dl.dropbox.com/u/17730294/Image0576.jpg

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