QUESTION 2
2.1 Assume you have a 2D concrete slab that has dimensions of 1 x 1. The boundaries x=0
and y=0 both have a temperature of 00C, while the boundaries x=1 and y=1 both have a
temperature of 150x and 120y respectively.
(i) Plot/draw the computational domain taking step sizes in both the x-direction and
the y-direction to be 0.1 units. Show all the boundary conditions. (10)
(ii) How many computational nodes are in this problem? (5)
2.2 Assuming the problem is a steady state heat distribution problem, write the
mathematical equation that can represent this phenomena.
2.3 Use the forward finite difference approximation method to solve this problem. Express
your answer as a matrix only. (20)
QUESTION 3
If the problem in Q2 has the boundary along y=0 as a Neumann boundary. Solve the
problem using the forward finite difference approximation, and present your answer as a
matrix. (20)
QUESTION 4
If the corner of the boundary along x=0 and y=0 in Q2 is curved, show how the nonuniform
spacing in the curved boundary can be accounted for. (15)
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