Activity for Xoptfoil
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Dan posted a comment on ticket #8
Hi Enno, I think all of these things could be implemented, though I can imagine some of them may be difficult to work with in practice (for example, negative TE wedge angle and variable TE thickness). However, I could probably code them up and you could give it a go. No promises on when that will be done, though. I've been busy with other interests lately and Xoptfoil has been on the backburner for awhile. Sorry about that. I do have a version 2.0 in the works, which I'm sure will be finished eventually....
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Enno Eyb created ticket #8
Feature Request
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Xoptfoil released /Xoptfoil_v1.11.1/Xoptfoil-v1.11.1-windows.zip
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Warning could not find interpolants
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Marko J. posted a comment on ticket #7
matplotlib.version '1.3.1' ok, i'll try to update my tools
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bug with: moment constraint: specify
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Yes, be careful that you are not using a text editor that adds "fancy" characters when you don't mean to. I have an idea on the back burner to make a dedicated input editor for Xoptfoil, which would avoid these problems, but that may or may not actually happen.
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What version of matplotlib are you using? 1.5.0 or later is recommended. To find out: Run python from command line import matplotlib matplotlib.__version__
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What version of matplotlib are you using? 1.5.0 or later is recommended. To find out: Run python from command line import matplotlib matplotlib.version
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What version of matplotlib are you using? 1.5.0 or later is recommended. To find out: Run python from command line import matplotlib matplotlib.version
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bug: in xoptfoil_visualizer
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hello i found my "bug" when i change something in inputs.txt file, my texteditor change sometimes the apostroph sign to a similar one.... and than xoptfoil didn't recognise it... thank you for your help
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Caíque Menezes posted a comment on ticket #5
Yes!!! I've just started the optimization and it does work now. I am also very excited to test the new feature to increase the lift curve slope. Thank you very much!
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It's working here. I think you have misspelled some other variable in the constraints namelist.
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Xoptfoil 1.11.0 is out, and your case should work now. Please report back if it doesn't; otherwise I will close this. (Or you can close it if it does work.)
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bug with: moment constraint: specify
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Alright Dan! I will look out for it after the next realese. Once again i would like to thank you for your amazing job it's being very helpfull to my team.
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There were a couple things Xoptfoil was struggling with for your seed airfoil: figuring out the point ordering and finding the leading edge. I've improved the algorithms for both of these operations, and now your case is handled fine. These improvements will be included in the next release, or if you don't want to wait, they will be reflected on the Github development page later today (https://github.com/montagdude/Xoptfoil). I'll close this ticket after the next release.
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Hi Caíque, I didn't see this message because the notifcation from SourceForge went in my junk email. I will take a look at your case soon and get back to you. Dan
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this is the seed airfoil
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Warning could not find interpolants
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Warning: Could not find interpolants
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Okay, I'm glad it works for you! IVX is a parameter from XFoil. It is related to...
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Italo Franchini posted a comment on ticket #4
Everything works great now, thanks for your help!
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I see, good job! I'll check it out. By the way another quick question, in one of...
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Italo, I believe I fixed the issue. The problem came in the thickness checks, where...
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That's how I ran it too, except I didn't specify an output file. That shouldn't make...
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I have tried from_file and still have the same error. How did you run it? I'm just...
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Okay, thanks. I will look into it. When I run your input file as is, it doesn't give...
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Sorry I was distracted, finally here it goes
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Can you post it as an attachment, along with your inputs.txt file?
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Of course, I totally forgot about that. It's the NACA2415.
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Hi Italo, Could you post the seed airfoil file and input file you are running for...
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Change airfoil title in output dat file
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Add "max_thickness" constraint
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Problem with SD8020 foil
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Warning: Could not find interpolants
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Geoff S posted a comment on ticket #3
Yep, that's fixed it. Thanks Dan. Really appreciated.
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Problem with SD8020 foil
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Geoff, there was a bug in input_sanity.f90 that prevented an integer from being converted...
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Problem with SD8020 foil
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Problem with SD8020 foil
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Tested, works fine. Thanks !
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Yep, works fine :)
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Add "max_thickness" constraint
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Version 1.3.3 has a max_thickness constraint, which is set to 1000.0 by default (basically...
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Change airfoil title in output dat file
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The second command line option now specifies the airfoil name, instead of the output...
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Add "max_thickness" constraint
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sorry double post :)
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The new command line option to specify an output file works nicely, except the resulting...
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Change airfoil title in output dat file
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