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> Appreciate the input. Have you tried FluidX3D?

Glad to help.

I'm not familiar with FluidX3D. Lattice Boltzmann methods are uncommon, probably because they are computationally expensive. I'm a finite volume and finite difference guy myself. Finite volume methods are the most common approach in computational fluid dynamics.




Do you recall they showed the blip that the google folk made, and it was in the hangar at Moffett field... they were showing all the different motors and sensors - and it was brought up that they had LIDAR sensors pointing at the interior helium balloon... and someone asked why they would be lidaring the thing...

I surmised that they were using it to calculate the internal volume due to the deformation of the balloon as it loses volume.... was I correct?

https://techcrunch.com/2023/11/08/the-worlds-largest-aircraf...


Sorry, blimps aren't my area of expertise. I don't know what's going on there.


Its just a giant helium balloon inside the thing - https://youtu.be/FrAc-yORdAo?t=170 - So its "finite" just not small.




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