[ANSWERED] Calculate the [k] and { f } matrices for the element shown in Figure P13–20. The conductivities are.

Calculate the [k] and { f } matrices for the element shown
in Figure P13–20. The conductivities are K
xx
= K
yy
= 15
W/(m C) and the convection coefficient is h = 20 W/(m
2
C).
Convection occurs across the i-m surface. The free-stream temperature is Ty =
15 C. The coordinates are shown expressed in units of meters. Let the line
source be Q = 100 W/m as located in the figure. Take the thickness of the
element to be 1 m.