The results of longitudinal, transverse, and \(45^{\circ}\) off-axis tensile tests on samples from an orthotropic lamina are shown in Figure 10.35. Based on these results, find numerical values for the engineering constants \(E_{1}, E_{2}, v_{12}\), and \(G_{12}\).

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2 543 01 2 T Stress, 2, 10 psi 02 2 psi 2 45 0x I Stress, x, 10 FIGURE 10.35 0.005 Strain, 1 0.01 0.005 0.01 Strain, 2 0.005 0.01 Strain, Ex Stress-strain curves for longitudinal, transverse, and 45 off-axis tensile tests of an orthotropic lamina. Stress, , 10 psi 21