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Problem Specification |
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We are working on updating this part of the tutorial. Please come back soon. |
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In order to assess the numerical accuracy of the results obtained, it is necessary to compare results on different meshes. We'll re-do the calculation on a 100x60 mesh which has twice the number of nodes in the radial direction as the 100x30 mesh. You can download the 100x60 mesh here.
File > Read > Case...
Navigate to your working directory elect the pipe100x60.msh file you have created. Click OK. Display the grid. Check its size.
Finer Mesh Analysis
Repeat steps 4, 5, and 6 of this tutorial with the finer mesh.
When you get to step 6 of the tutorial, plot each of the graphs as described. However, for each of the plots, overlay the corresponding result for the coarser mesh so that we may compare them. To do this, after the plotting the finer mesh result, in the Solution XY Plot Window, click on Load File.... Navigate to your working folder, click on the appropriate filename for the previous result, eg. vel.xy for centerline velocity, and click OK. Click Plot. You'll see both results plotted in the same the graphics window.
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