For the quadrilateral elements shown in Figure P10–17, evaluate the sti¤ness matrices using… 1 answer below »

For the quadrilateral elements shown in Figure P10–17, evaluate the sti¤ness matrices using four-point Gaussian quadrature as outlined in Section 10.4. Let E = 210 GPa and n = 0:25. The global coordinates (in millimeters) are shown in the figures.