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Periodic problems unstructured mesh

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Old   October 21, 2013, 08:00
Default Periodic problems unstructured mesh
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Domenico
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Location: Bari
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Hi everybody I'm Domenico Strippoli a student of Politecnico di Bari. The objective of my work is to analize the characterization of the flow across a finned tube of HRSG using the software ANSYS ICEM CFD.
I realized the geometry in CATIA V5 e then imported in ICEM. An important condition of this study is that the flow must respect the condition of traslational periodicity.
The domain is reported in figure 1 and is divided in 3 zones: in the first and the third zone I realize a structured mesh while in the third region is necessary an unstructured mesh (figure 2).
I found many difficulties to realize the unstructured region because while I check the mesh, there are periodic problems, even if, I imposed the translational periodicity between the PARTS “SUP NON STRUTT” e “INF NON STRUTT” (figure 3-4-5).
I hope that the figures are clear and make me some suggestions to solve this problem.
Many thanks, Domenico
Attached Images
File Type: jpg FIGURA 1.jpg (44.6 KB, 10 views)
File Type: jpg FIGURA 2.jpg (42.7 KB, 9 views)
File Type: jpg FIGURA 3.jpg (43.0 KB, 9 views)
File Type: jpg FIGURA 4.jpg (64.0 KB, 9 views)
File Type: jpg FIGURA 5.jpg (75.1 KB, 11 views)
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