Solve the following problems using a computer program. In some of these problems, we suggest that students be assigned separate parts (or models) to facilitate parametric studies.
For the tensile member shown in Figure P7–25 on the next page with two holes, determine the maximum principal stresses and their locations. Let E = 210 GPa, n = 0.25, and t = 10 mm. Then let E = 70 GPa and v = 0.30. Compare your results. Use 20 kN spread uniformly over the right side.
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