Determine the nodal displacements and the element stresses, including principal stresses, due to the loads shown for the thin plates in Figure P6-14. Use E = 105 GPa, v = 0.30, and t = 5 mm. Assume plane stress conditions apply. The recommended discretized plates are shown in the figures. Use a computer program to solve these.

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20 kN 3. 250 mm 100 mm 20 kN 30° 500 mm 100 mm (b) (a) 40 kN Pr= 10 MPa 400 mm 400 mm 400 mm 30 kN 400 mm (d) (c) 2.