fluids memo #2

fluids memo #2 - Fluid Mechanics Lab#2 To From Date Subject...

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Fluid Mechanics Lab #2 To: Manjunath From: Alan Janson Date: 10/06/10 Subject: Lab #2 Using Gambit and Fluent to model steady flow around a cylinder Attachments: 12 Figures Results Figure 1, and Figure 4 show the flow residuals as a function of iterations for both interval counts of 25 and 50. This is how to see the solution converges. For each iteration residual lines are calculated. This is somewhat of the kind of error in the solution. The smaller the residual, the better the solution. Ones the residuals are no longer decreasing, we no longer need iterations to make the solution more accurate. For interval counts of 50 we need about 4500 iterations, while for an interval count of 25 we only need about 1500 iterations. The velocity vectors in Figures 2 and 5 are nearly identical except for Figure 5 with the smaller interval count, is less detailed. These figures lead to Figures 3, and 6 which are the streamlines(pathlines) near the cylinder. In Figure 3( interval count 50) a vortex is noticeable to
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This note was uploaded on 10/19/2010 for the course ME EN ME 3700 taught by Professor Stoll during the Fall '10 term at Utah.

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fluids memo #2 - Fluid Mechanics Lab#2 To From Date Subject...

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