Lassalle Micaël

I did'nt repanel the foil with 100 to 150 nodes before running the analysis. But I think when you want a direct foil analysis this parameter doesn't exist (it does exist only for wing and plane design, I mean for 3D analysis). I also donwloded another XFLR5, but still the same problem...

Thank you for you answer André. Indeed it was a mistake when writting the message, the value of Re was (is) default value (100 000) and not 0. I have check, this point is OK. I add that I had work with exactly the same profile in a computer in my school without any problem. Done, but still the same problem The profile I want to work on is DAE-21. You can load it going on this page : http://airfoiltools.com/airfoil/details?airfoil=dae21-il Thank you in advance.

Hello everyone, I have used XFLR5 several times in my school, and now I have just downloaded XFLR5 v6.40 in my personal computer. My problem is that I can't lunch any analyse and I really can't understand why. The message of the problem is "Alpha = 0.000Invalid Analysis Settings CpCalc: local speed too large Compressibility corrections invalid ...some points are unconverged" (I precise that 100% points are unconverged, not only "some points") I understand that there is a problem with the range of...