A pressure-vessel head is fabricated by welding the circular plate to the end of the vessel as

Question:

A pressure-vessel head is fabricated by welding the circular plate to the end of the vessel as shown. If the vessel sustains an internal pressure of 450 kPa, determine the average shear stress in the weld and the state of stress in the wall of the vessel.

E450 mm 10 mm 20 mm