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I am new to Cfd. Please help to develop a MATLAB for this problem |
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April 23, 2016, 05:37 |
I am new to Cfd. Please help to develop a MATLAB for this problem
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#1 |
New Member
Priyanka
Join Date: Oct 2015
Posts: 14
Rep Power: 10 |
A thin plate is initially at a uniform temperature of 200C. At a certain time t = 0 the
temperature of the east side of the plate is suddenly reduced to 0C. The other surface is insulated. Use the explicit finite volume method in conjunction with a suitable time step size to calculate the transient temperature distribution of the slab and compare it with the analytical solution at time (i) t = 40 s, (ii) t = 80 s and (iii) t = 120 s. Comparison should be shown in a graphical plot as well as in a tabular form showing the percentage error with the analytical solution. Recalculate the numerical solution using a time step size equal to the limit given by the stability criteria (possibly 8 second or higher) for t = 40 s and compare the results with the analytical solution. Solve the problem using the both Crank-Nicholson scheme and fully implicit scheme and compare the results with analytical results at (i) t = 40 s, (ii) t = 80 s and (iii) t = 120 s. With a time step of 8 s, compare the results of all these three schemes (explicit, implicit and Crank-Nicholson) at time t = 40 s. The data are: plate thickness L = 2 cm, thermal conductivity k = 10 W/m/K and C = 10x106 J/m3 /K. |
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