The member in Fig. P3.12 is made of an aluminum alloy (E = 72GPa, v =...
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The member in Fig. P3.12 is made of an aluminum alloy (E = 72GPa, v = 0.33), and it has a square cross perpendicular to the plane of the figure. Stress components oxx and Gyy are uniformly distributed as shown. b=200 mm 9, 200 MPa Figure P3.12 (a) If Oxx = 200 MPa, determine the magnitude of oyy so that the dimension b = 200 mm does not change under the load. (b) Determine the amount by which the dimension a changes. (c) Determine the change in the cross-sectional area of the member. The member in Fig. P3.12 is made of an aluminum alloy (E = 72GPa, v = 0.33), and it has a square cross perpendicular to the plane of the figure. Stress components oxx and Gyy are uniformly distributed as shown. b=200 mm 9, 200 MPa Figure P3.12 (a) If Oxx = 200 MPa, determine the magnitude of oyy so that the dimension b = 200 mm does not change under the load. (b) Determine the amount by which the dimension a changes. (c) Determine the change in the cross-sectional area of the member.
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