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November 4, 2024 at 4:05 pmHuiboSubscriber
Dear,
I splited my geometry in DesignModel, but when I was checking the contact region in ANSYS Meshing, there are many overlapping contact region(because the split). My geometry is very complex, so I have to use the split option.Â
Does anyone know how I can fix this?Â
Thank you so much in advance.
Best regards,
Huibo
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November 5, 2024 at 4:08 pmPedram SamadianAnsys Employee
Hi,
To address this issue, you can try the following approaches:Tolerances for detecting contacts are often set too large. Try deleting all the contacts and using smaller tolerance values to recreate them. It may help to set Tolerance Type to Value rather than Slider, so that you can enter an exact Tolerance Value. Make sure the Tolerance Value and Face Overlap Tolerance are set to reasonable values before regenerating the contacts.
Depending on the case, setting Group By to Faces may help to pinpoint problematic faces. In other situations, setting Group By to Bodies and promoting the overlapping contact regions to Named Selections may be a better approach.
If the tolerances are different for different bodies, run contact on selected bodies with different tolerances.
If the faceting of the geometry is too coarse, increase the facet tolerance in DesignModeler.
If some of the overlapping contact regions are not needed in Ansys Fluent or Ansys CFX, you can suppress them so they will not affect the success of the export.
If the case involves cyclic constraints, use imprinting in DesignModeler or SpaceClaim. Imprinting results in exact pairs and ensures faces have common boundaries between parts.Â
I hope this helps.
Thanks,
Pedram
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November 6, 2024 at 2:33 pmHuiboSubscriber
Dear Pedram,
Thank you so much for you help! I will try these on by one.
Best regards,
Huibo
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