Determine the temperature distribution, Mechanical Engineering

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The wall shown is 1 m thick. The left surface of the wall (x=0) is maintained at a constant temperature 200 degrees Celsius. The right surface (x=L=1 m) is insulated. The thermal conductivity of the wall material is 25 W/(m.C) and uniform heat generation inside the wall is Q=400 W/m3. Determine the temperature distribution through wall thickness using 4 heat transfer elements.       

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