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The thin-walled cylindrical pressure vessel above rest on simple supports A and B. Due to multiple combined loadings (bending due to gravity, pressure, and torsion due to settlement), an element located at point C is subject to the stresses shown to the upper right. The x-axis is oriented parallel to the longitudinal axis of the vessel. Calculate and show the stresses on the element at point C rotated through an angle of 9 = 45 degree Calculate and show the stresses on the element at point C rotated through an angle of 9 = 90 degree The cylindrical portion of the above vessel is constructed from a single sheet of metal, twisted and welded along a helical line, as shown. If you were interested in determining the shear stress parallel to the weld and the normal stress perpendicular to the weld, what locations and orientations of a stress element would you want to consider? Use complete sentences. Provide sketches of locations and orientations.
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