Question: Consider a long bar of square cross section ( 0 . 8 m to the side ) and of thermal conductivity 2 W m *

Consider a long bar of square cross section (0.8 m to the side) and of thermal conductivity 2Wm*K. Three of these sides are maintained at a uniform temperature of 400C. The fourth side is at 100C.
Using an appropriate numerical technique, determine the temperatures throughout the bar.
Hints: use symmetry. Solve using 8 interior nodes.
Consider a long bar of square cross section ( 0 .

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