[ANSWERED] For the linear-strain elements shown in Figure P8–5, determine the strains e x ;e y , and g xy ….

For the linear-strain elements shown in Figure P8–5,
determine the strains e
x
;e
y
, and g
xy
. Evaluate
the stresses s
x
; s
y
, and t
xy
at the centroids.
The coordinates of the nodes are shown in units of inches. Let E = 30 10
6
psi, n = 0:25, and t = 0:25 in. for both elements. Assume plane stress
conditions apply. The nodal displacements are given as