You've added a crumple zone. Worst case and heaven forfend, but if you're rear-ended the fool behind you will be safer.
You should strongly consider the old thread from 2013,
Military theme for fun ...and function
Bumblebee stripes and some cryptic Zombie Response Vehicle markings would not be out of place.
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I'm not sure I am following on that. Is this a modelling and CFD or? Open source is usually free right?
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Well.... It's a deep subject.
That kind of work involves a tool-chain. OpenVDB is a visual database. It can be queried by anything that can structure a query. It's currently employed by the movie industry, Maya and (apparently*) Blender.
I took a deep dive into the [pseudo]code structure a few years back. I recognized a lot of it from when I was trained to edit Mac OS HFS structures (I worked for Symantec for 9 years). B-trees allow you to get to any point in the point cloud in a discrete number of steps. Shallow trees have fewer steps to get to an arbitrary point.
There was a brilliant way of encoding things like pressure or a motion vector for each point but I don't recall and prolly couldn't explain if I did.
So there's that. I'm like a scarecrow in a field pointing thataway.
*I struggle with Blender itself, let alone where the API for the C++ libraries are. Have you looked at Blender? I'm not doing any render farming on my laptop.