Trouble with VSP Airshow and VSPAERO

[Simon Boudoux]

Good afternoon,

I have a trouble when i simply download a model from VSP Airshow and open it in my OPENVSP, I have the 3.46 version of OPENVSP and when I run the model through VSPAERO with no modification and only choosing the Reference area from the model, I run it and the error is "There were 5491 loops that we could not find upwind edges for...  ". I don't understand what is the issue with that and what I can do about it. The link of the model I use from VSP Airshow : https://airshow.openvsp.org/vsp/Ur1FCPtGm8kHaqnVCi2i

Sincerely yours,

Simon Boudoux

[Rob McDonald]

Don't start with a model from the Airshow.

Most Airshow models are made by complete novices -- and they have not been prepared with any analysis in mind.  I.e. there is no reason to believe they are suitable for your purposes at all.

Start simple, perhaps just a plain wing.  Build up to the analysis capability you need.  Add complexity to your model gradually, testing at each stage.

Rob

[Simon Boudoux]

Ok thank you, I was doing that and so when i started to build a fuselage and wing for a similar shape of a cessna when i tried to run the VSPAERO analysis, the analysis worked but there was no data shown 

I did put my vsp3 file of my creation if you could test it on you side to see if you have result if possible please. Like when i check the console to see if there is mistakes during the exec I saw that during the iteration there was a nan value in every column of Cl CD and every coefficient.

Sincerely yours, 

Simon Boudoux