For the quadrilateral elements shown in Figure P10-16, write a computer program to evaluate the stiffness matrices using four-point Gaussian quadrature as outlined in Section 10.4. Let E = 30 × 106 psi and y = 0.25. The global coordinates (in inches) are shown in the figures.

Figure P10-16

(a)

(b)

Transcribed Image Text:

(3, 4) (5,4) (3, 2) (5, 2) (5, 5) (3, 4) (3, 2) (5, 2) х