|April 12, 2012, 08:55||
Model size inconsistency between DesignModeler and Icem
Join Date: Sep 2011
Posts: 10Rep Power: 6
I have encountered a problem with my geometry's dimensions not staying consistent between the Ansys Design Modeler and Icem CFD and I wonder if anyone has any idea on how to avoid this problem (or fix it)?
If I draw a cylinder in the Design Modeler with a diameter of 0.01537m for example, when I check it in Icem the new diameter is 0.0153592m and when I save the mesh as .cgns this is the dimension that the cfd code is reading (both Flluent and an industrial code). I even tried drawing it with units of mm and then converting it to m in Icem when I import the geometry using "Workbench Readers", but it doesn't change anything. I think the issue lies with Icem though, as even if I draw the cylinder directly in Icem using points, curves and surfaces the output coordinates aren't exactly the same as what I input. This inconsistency did not happen when I tried using 0.025m for the diameter, but my method was the same, so I don't understand where the problem is.
Since I need to use a diameter of 0.01537 exactly though, I would really appreciate any suggestions on how to maintain the correct dimensions all the way from drawing the model, to meshing it and to inputting it in the code.
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