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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.
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