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Mateusz August 22, 2012 10:18

canard les divergence continuity fluent
hi i need to simulate flow over canard wing and horizontal tail using LES, unfortunately when i run calculations continuity residuals are starting going up and down after 100 iterations what i have to do, i think that problem is in my mesh, it is automaticly generated because i'm new in CFD and i dont know how it should look like for my cause. plz help. my email:

flotus1 August 22, 2012 11:00

Trying to set up a LES calculation as a beginner in CFD is quite ambitious, to say the least.
The only textbook about LES I know suitable for beginners is in german. But i am sure you will find something similar in english language.

As far as your specific question is concerned: the mesh is only one of the many issues which have to be dealt with carefully in a LES.

Mateusz August 22, 2012 11:23

thx for reply flotus1 ;), its not my idea, my promoter told me to do LES simulations to my thesis. :D he is not even a beginner... unfortunately i dont know german ;/ , one more question, what is difference between structural and nonstructural mesh, calculating time? results?

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