Homework #3-2

Determine the stresses in the plates with the round and square

holes subjected to the tensile stresses shown in the following

figure

(Utilize symmetry of models)

Compare the largest principal stresses for each plate

• Let E=210 GPa, v=0.25, and t = 5 mm

1 kN/m²

25-mm radius

- 500 mm

500 mm

1K

1 kN/m² 1 kN/m²|

25 mm

-500 mm

1 kN/m²