Question: Use the three-noded bar element and find the axial displacement at the end of the rod shown in Figure P10-8. Determine the stress at x

Use the three-noded bar element and find the axial displacement at the end of the rod shown in Figure P10-8. Determine the stress at x = 0, x = L / 2 and x = L. Let A = 2 × 10^-4 m², E = 205 GPa, and L = 4 m. Use Eq. (10.5.22) for the element stiffness matrix.

Figure P10-8

2 kN/m (uniform) L =4 m

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