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[ICEM] Dimension Problem Between Geometry, ICEM and Fluent

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Old   August 28, 2019, 10:57
Default Dimension Problem Between Geometry, ICEM and Fluent
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Oguzhan Gokkaya
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Hi everyone,

I am workıng on an internal pipe flow problem so i generate my geometry in Design Modeler and then send it to ICEM to observe flow better. After i give node numbers and ratios, convert it to unstructured mesh. Finally, send ICEM mesh to Fluent solver but dimensions doesn't match with one that i decided in Design modeler. Also, i realized some differences in ICEM too.

Diameter in Design Modeler: 0.5 mm
Diameter in ICEM : 0.500000002374872 mm
Diameter in Fluent : 0.4995726 mm

Do you know where this mismatch comes from?






Last edited by gokkayaoguzhan; August 29, 2019 at 04:07.
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Old   August 28, 2019, 13:23
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Will it matter? Any how there are geometry tolerances in each software. Play with them
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Old   August 29, 2019, 03:56
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Being exact is very important for this geometry. I scaled dimensions in Fluent but i am suspicious about any remaining fractions or disruption in the mesh caused by this scaling function.

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