I want to test my aero at home

"Flynorcal: pilot, offshore sailor, car racer and panty thief" (flynorcal) 01/07/2020 at 23:06 • Filed to: None

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Is this a thing one can do these days with relative simplicity? I put a splitter and a duck tail and some side skirts on a 986 Boxster and want to see what it might be like, at speed, with the top down. Even 2D would be sweet.

I’m a shit artist also so no clue how to even get a model of a car into any kind of software, but if I can get free CFD somehow I’ll read the damn manual with a smile and fight my way through it.

Thank you!

Linux/OSX/Windows all supported fwiw. 

Phyrxes once again has a wagon! > Flynorcal: pilot, offshore sailor, car racer and panty thief 01/07/2020 at 23:17

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http://flowsquare.com/
Hope that helps as a starting point, its one I point my students too if they want to play with CFD.

Flynorcal: pilot, offshore sailor, car racer and panty thief > Phyrxes once again has a wagon! 01/07/2020 at 23:29

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Oh hell yes! They even have my use case as a demo on how to use the software.  Thank You!

http://flowsquare.com/2013/12/18/flow-around-a-car/

MrDakka > Flynorcal: pilot, offshore sailor, car racer and panty thief 01/08/2020 at 00:08

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Do the old smoke trail in front of giant fan

just-a-scratch > Flynorcal: pilot, offshore sailor, car racer and panty thief 01/09/2020 at 10:35

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The simplest way to visualize flow direction nearer the vehicle surface is with yarn stands taped to it. Here is a DIY example http://www.gerrelt.nl/section-aerodynamics/aerodynamics-wool-tuft-tes t

To save time and effort on testing, consider using symmetry to your advantage. You might only need to analyze the left (or right) side.