고체역학 (Gere) — Applications of Plane Stress: Problem 8.3-2

8.3-2 Repeat Problem 8.3-1 for a fire extinguisher tank with an internal pressure of 1.8 MPa, diameter of 130 mm, and thickness 1.5 mm. Reference Problem 8.3-1: A fire extinguisher tank is designed for an internal pressure of 5.5 MPa. The tank has an outer diameter of 115 mm and thickness of 2 mm. Calculate the longitudinal stress, the circumferential stress, and the maximum shear stresses (out-of-plane and in-plane) at the outer surface of the tank. General Instruction for Section 8.3: To solve the problems for Section 8.3, assume that the given radius or diameter is an inside dimension and that all internal pressures are gage pressures.