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iacoposk8 02-18-2015 05:32 AM

know the object more aerodynamic
 
Hello everyone! if I have two objects in 3d format obj or stl, with which software can I know what is more aerodynamic? thank you

Cd 02-18-2015 05:40 AM

What is the best open source CFD Software? SU2, OpenFOAM, ...

Good luck !

Also, if you are a student, you can get a ( free ) 3yr license to this one, in which the learning curve is about 1 - 1/1000th the other software mentioned

Computational Fluid Dynamics | Simulation CFD | Autodesk

freebeard 02-18-2015 05:46 AM

Unless you have massive computing power I would look here:

https://www.google.com/search?q=CFD+in+the+cloud

Cd 02-18-2015 12:36 PM

I ran across this link a few months ago. It might be helpful :

https://www.cloudcfd.co/pricing.html

BTW : It's jumped up in price five times over since then !

aerohead 02-18-2015 06:13 PM

software
 
Quote:

Originally Posted by iacoposk8 (Post 468479)
Hello everyone! if I have two objects in 3d format obj or stl, with which software can I know what is more aerodynamic? thank you

Some recent mechanical engineering graduate students who did CFD for their Masters Thesis have commented that only the Direct Numerical Simulation form of CFD can predict all the turbulence of a 3-D object.
Dr. Teddy Woll,of Daimler-Benz says that Mercedes-Benz is using it and it is within 1% accuracy of full-scale wind tunnel tests.
With a supercomputer,a digitized automobile requires about 48-hours run time due to the mesh size,and time steps required for this full Navier-Stokes solver.
Desktop CFD has shown errors of 13%.They DO however show definite 'trends' in performance.


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