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Problem ( 1 ) : Consider a rectangular 1 - D bar lying in the domain - x . Initially at t = 0 the

Problem (1): Consider a rectangular 1-D bar lying in the domain -x. Initially at t=0 the first half-part of the bar lying in the domain x>0 is at a temperature of T0 while the other half is at zero temperature. It is apparent that for t>0 heat will start conducting from the first halfpart to the other half thereby leading to development of a temperature profile T(t,x) within the bar. Show that the temperature profile T(t,x) in the entire domain -x is given by
T(t,x)=T02[1+erf(x4t2)]
where is the thermal diffusivity of the bar material. Hint. Use Laplace transform.
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