AE 260 SecondExam2017.docx - AE 260 Experimental Stress...

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AE 260 Experimental Stress Analysis; Second Exam; November 3, 2017 1. (30%) Determine the change in dimension of a body when dropped a distance of d km to the ocean floor. Material Dimensions (cm) Distance, d (km) Gold 6 × 9 ×10 14 2. (35%) The strains at a point are given in the table below. Determine the principal strains and the direction they occur. Present your solutions using the formulas and check the results by employing Mohr’s circle. ɛ xx
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Unformatted text preview: ɛ yy γ xy 300 μ 400 μ-500 μ 3. (35%) The stress at a point in a machine component relative to the x, y, z coordinate system is given by: σxx σyy σzz τxy τyz τzx 50 60 20 40 30 10 Referring to the steel rectangular parallelepiped shown in the figure, calculate the dimensional changes of the diagonals if the sides are a , b and c . Dimensions (mm) a × b × c Diagonals 300 × 400 × 500 AC CE A B C D E F G H z y x b a c...
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