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Old Jul 02, 2014, 10:03 AM
Registered User
Joined Jun 2014
6 Posts
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Best CFD CAD software

What are the best CAD applications (i.e. online calculators and exe. programs) for propeller, wing , tail, fuselage and flight control surfaces airfoil and 3D CFD?

Refer to:
http://www.cfd-online.com/Links/soft.html
http://adamone.rchomepage.com/design.htm#calculate
http://www.starcadplans.net/index.php
http://www.blog.kubiak.co.uk/post/81
http://www.innovative-cfd.com/
http://www.j-rom.com/index.php?optio...d=88&Itemid=91
http://www.flyingsites.co.uk/downloads/

Some of what I got so far:
online calc's:
http://chrusion.com/BJ7/SuperCalc7.html
http://adamone.rchomepage.com/cg_calc.htm
http://adamone.rchomepage.com/cg2_calc.htm-
http://adamone.rchomepage.com/
http://www.wolframalpha.com/
www.profoil.org
http://www.mh-aerotools.de/airfoils/
exe. app's:
MATLAB
SolidWorks
DesignFoil
Profoil
ANSYS (e.g. ANSYS Fluent)
C
C++
Fortran
Excel
AutoCAD

Thank you
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Last edited by M.J.S.; Jul 02, 2014 at 10:41 AM.
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Old Jul 02, 2014, 07:43 PM
Registered User
Australia, VIC, Mitcham
Joined Dec 2011
67 Posts
The best CFD software packages are usually the ones where the user knows what the limitations of them are. Until you educate yourself about physics in general and fluid dynamics in particular, all of them are pretty useless. Garbage in = garbage out and all that.

Having said that, I play with my own Excel spreadsheets and XFLR5 for airframe design and at the moment I'm learning to use OpenFOAM for 3D CFD, but it's all been several years of reading and study and I wouldn't say any of what I have done till now is definitive, although it's been challenging and fun.

The first question you need to address is, what do you need it for...?
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Old Jul 02, 2014, 10:33 PM
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portablevcb's Avatar
Albuquerque, NM USA
Joined Sep 2003
15,546 Posts
CFD and FEA programs are really neat. But, they take a lot of time to figure out how to use them for complex problems, even with an advanced engineering degree.

If you are going to use them for simpler problems they are overkill. Yeah, they will do the job, but, you can get the same answer faster with simpler calculations.

Charlie
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Old Jul 03, 2014, 03:43 AM
Just call me crash for short
Quick61's Avatar
United States, OH, The Plains
Joined Jan 2011
1,676 Posts
you left out OpenFOAM / Blender

Here is a short video of it being used -
TotalSim CFD Simulation of Semi Truck and Trailer (0 min 16 sec)


And Blender running an airfoil -
CFD on Airfoil in Blender (0 min 11 sec)


If your not running your own Beowulf cluster or have access to one, Amazon cloud rents cheap on the spot market.
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Old Jul 07, 2014, 10:52 AM
AndyKunz's Avatar
Illinois
Joined Sep 2001
22,367 Posts
Cool truck sim. Looks like mirrors are a nasty thing for airflow. I wonder what would happen with air injected behind the mirror.

Andy
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