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November 25, 2010, 09:11 |
Tutorial/Guide: 3D flow around object
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#1 |
New Member
Join Date: Nov 2010
Posts: 2
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Hi all,
I'm new to CFD Online, but I've been reading a lot from this forum. I am a final year engineering student, and I am working on an open-ended project. For my project, I chose to model a wing from the A350 in Catia (done), and I now want to perform CFD on it. We have Ansys Workbench 12.1 installed at school. After an entire day of trying to figure out how to do everything, I finally got it running and got results; however, I think the results are not accurate (bad pressure contours). I found many guides for 2D analyses, but nothing for 3D flow around an object (a wing in my case). Any help, would be greatly appreciated, even if you're just pointing me to a tutorial. FYI, here is more or less what I did: 1) Imported the catia geometry into ANSYS 2) Edited the geometry to add an enclosure around the wing 3) Used Ansys Mesh to mesh: Note that it meshed the enclosure AND the wing. Also, I'm really not 100% sure my mesh settings are proper for this setup. 4) SetUp: inlet velocity at the front of the enclosure set to 60m/s, with 2deg AOA. Outlet pressure at the back of the enclosure set to 0 gauge. I think my method is correct, but I think the results are flawed perhaps because I don't have the right settings in the mesh/setup/model. Thanks for your help. |
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