Category: Uncategorized

At a point subjected to plane stress on the surface of a structural-steel member, the stresses are σx = 20 MPa, σy = –30 MPa, and τxy = 100 MPa. Determine the radius R of the corresponding in-plane Mohr’s circle.

A silicone rubber [E = 6.40 MPa, G = 2.20 MPa] wristband has an initial length of 103 mm and a width of 10 mm. If the wearer imparts a normal stress of 460 kPa in the length direction while putting it on, what is the corresponding change in width?

At a point subjected to plane stress on the surface of a backhoe, the stresses are σx = –40 MPa, σy = –100 MPa, and τxy = –10 MPa. Determine the angle θp corresponding to the orientation of the principal planes at the point.

At a point subjected to plane stress on the surface of a compressed air cylinder, the stresses are σx = 50 MPa, σy = 90 MPa, and τxy = –20 MPa. Determine shear stress τnt at the point for a clockwise coordinate rotation of 82°.

At a point on the free surface of a steel automotive component [E = 28,100 ksi,ν = 0.18], a strain rosette was used to obtain normal strains of εa = 43 με, εb = –290 με, and εc = 61 με. Determine normal strain εx at the point.

At a point on the free surface of a steel automotive component [E = 29,600 ksi,ν = 0.19], a strain rosette was used to obtain normal strains of εa = 43 με, εb = –185 με, and εc = 265 με. Determine normal strain εx at the point.

At a point in a body subjected to plane strain, the strains are εx = 790 με, εy = 450 με, and γxy = –420 μrad. Determine the magnitude of the absolute maximum shear strain at the point.

At a point subjected to plane stress on the surface of a structural member, the stresses are σx = –10 ksi, σy = –5 ksi, and τxy = 6 ksi. Determine the magnitude of the absolute maximum shear stress at the point.

At a point in a body subjected to plane strain, the strains are εx = 260 με, εy = 511 με, and γxy = 15 μrad. Determine the center εcenter of the corresponding in-plane Mohr’s circle.

At a point in a body subjected to plane strain, the strains are εx = –50 με, εy = 100 με, and γxy = 20 μrad. Determine the angle θp corresponding to the orientation of the principal planes at the point.