A cylinder made of an elasto-perfectly-plastic material with yield strength of 250 MPa, 50 mm inner...

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A cylinder made of an elasto-perfectly-plastic material with yield strength of 250 MPa, 50 mm inner radius and 100 mm outer radius is loaded by an internal pressure causing yielding of the martial to the mid-depth (the radius of the elasto-plastic interface is 75 mm). Determine the applied internal pressure based on Tresca theory. A cylinder made of an elasto-perfectly-plastic material with yield strength of 250 MPa, 50 mm inner radius and 100 mm outer radius is loaded by an internal pressure causing yielding of the martial to the mid-depth (the radius of the elasto-plastic interface is 75 mm). Determine the applied internal pressure based on Tresca theory.