What causes a flat surface to vibrate when wind blows against it?

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I swear I’ve heard the term for this before. Like in science classes in college or something. But when the wind blows against my metal shop building, the panel between the overhead doors vibrates at 30ish Hz.

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Anonymous 0 Comments

I figured it out. Someone commented “Resonance induced by turbulence” and maybe deleted it. But that and search engine results for that term was enough to connect the dots. It’s aeroelastic flutter. The same thing that brought down the original Tacoma Narrows Bridge. This probably wasn’t the right subreddit for this but it’s the closest thing I knew of.

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