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Comment by ken

> When computers design things, they look very different.

Yes, because the computer assumes they're not going to change. The "tensile structure" looks cool now, but throw it in the back of a truck for 3 months and see if it's still algorithmically perfect. Parts get beat up. Tabs get bent a little. Maybe we'll want to grind off one of those tabs that we're not using because it's in the way, or weld on a new one. With the old structure, I can see which parts are relevant to maintaining the integrity of the system.

It looks like an un-optimized binary, which is very close to its source code. That's a feature. I can reason about the parts on their own.

The "topologically optimized" one is like an optimized binary. It's great for saving a few grams as long as you never have to change anything. The downside is that it's impossible to reason about. If one tab gets a little bent, that may be harmless, or it may cause the entire structure to lose its strength. You don't know.

Similarly, the truss on the catwalk over the crazy-looking Wendelstein 7-X is made of nice even rectangles and right triangles, and I guarantee that's not because it's a topologically optimal shape for this truss.

parent ken 7 years ago

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