For the rectangular element of Figure 6–20 on page 367 the nodal displacements are given...

For the rectangular element of Figure 6–20 on page 367 the nodal displacements are given by

For b = 2 in., h = 1 in., E = 30 × 10⁶ psi, and n = 0.3, determine the element strains and stresses at the centroid of the element and at the corner nodes.

Figure 6–20