[ANSWERED] 1. The square plate in Figure P15–22 is subjected to uniform heating of 80 F. Determine the nodal…

1. The square plate in Figure P15–22 is subjected to uniform
heating of 80 F. Determine the nodal displacements and element stresses. Let
the element thickness be t = 0:1 in., E = 30
10
6
psi, n = 0:33, and a = 10
10
-6
/ F.
2. The square plate in Figure P15–23 has element 1 made of
steel with E = 30
10
6
psi, n = 0:33, and a
= 10
10
-6
/ F and element 2
made of a material with E = 15
10
6
psi, n =
0:25, and a = 50
10
-6
/ F. Let the plate
thickness be t = 0:1 in. Determine the nodal displacements and element stresses
for element 1 subjected to an 80 F temperature increase and element 2 subjected
to a 50 F temperature increase.