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COMPUTER1_09 - finer grid solution different Why Now redo...

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COMPUTER ASSIGNMENT #1 NOTE: Be sure to read the instructions for reporting the results of Computer Assignments. We wish to redo the example in Fig. 3-6 from the Holman book using the finite difference codes available at: www.engapplets.vt.edu Select Heat Conduction Applets and then Launch Calculator window for 2-D, Steady heat conduction. READ THE INSTRUCTIONS. First, redo the problem as in Fig.3-6 with Δ x = Δ y = 1 unit. Start with T = 100C at all interior points. Next, redo the problem with a finer grid, Δ x = Δ y = 0.5 units. Compare both sets of results with the exact solution (for the coarse grid) given in the text. Is the
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Unformatted text preview: finer grid solution different? Why? Now, redo the problem as an unsteady calculation with the finer grid, Δ x = Δ y = 0.5 units. Select Heat Conduction Applets on the website and then Launch Calculator window for 2-D, Unsteady heat conduction. Select aluminum as the material. (Why didn’t you need to make a selection for the steady calculation above?) Set an initial temperature of 100C at all interior points. Discuss the time evolution of the solution. Compare your results for the steady-state (long time) solution with the corresponding steady solution you obtained earlier. ....
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