March 8, 2022 at 2:43 amSusanSubscriber
I need to export data along the surface of an airfoil and set surface distance or wrap distance as the x-axis.
I think surface distance or wrap distance means the arc length from the most leading-edge as follows,March 8, 2022 at 9:35 amMurari IyengarAnsys EmployeeHi Susan You can create a Polyline in CFD-Post along the surface and plot data on this line. To know more about Polyline, please look at the link below." target="blank">ANSYS FLUENT: Iso surface & Iso clip - YouTube
12.1.10. Polyline Command (ansys.com)
The same can be done in Fluent as well. In this case, you would have to create a iso-surface. By selecting a specific surface, you can create a line along the surface. You can take a look at the tutorial below for more information.
March 8, 2022 at 11:33 amDrAmineAnsys EmployeeX axis will be the curve length. Rely on my colleague's post.
March 8, 2022 at 5:24 pmSusanSubscriberDear Both, thank you so much for your quick help. That works but can I get minus curve length or I need to change that manually?
March 8, 2022 at 7:35 pmDrAmineAnsys EmployeeCan you adjust plot direction and share screenshot?
March 9, 2022 at 7:38 amSusanSubscriberHi DrAmine, honesty, I don't know how to create a line along the airfoil surface in Fluent and I can only create an iso-surface. So I did the plot in CFD-Post because there is an option that I can use the intersection (the green line). However, please see the last chart, I am confused that it is a close line, do you know what is the problem? For the plot direction, I can only find that option in Fluent xy-plot and how can I set in CFD-post? Thank you so much.
March 9, 2022 at 9:18 amDrAmineAnsys EmployeeIt will be a close line as your intersection is a closed curve: so as expected. You probably need to split the airfoil walls into upper and lower parts or you limit the cut somehow to obtain only the upper or lower part.
March 9, 2022 at 12:29 pmSusanSubscriberWill do. Thank you very much.!
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