3 ms·
Just a small nitpick: the Tacoma Narrows bridge didn’t collapse because of resonance but because of flutter. It’s a common misconception. For resonance the ext
by elteto 9mo ago
Just a small nitpick: the Tacoma Narrows bridge didn’t collapse because of resonance but because of flutter. It’s a common misconception.
For resonance the external driving force must match the resonance frequency of the system, but wind is rarely/never purely sinusoidal.
- echelon 9mo agoIs flutter a derivative like jerk?
- shkkmo 9mo agohttps://en.wikipedia.org/wiki/Aeroelasticity#Flutter https://en.wikipedia.org/wiki/Aeroelasticity#Flutter
- MarkSweep 9mo agoThe derivatives following jerk are snap, crackle, and pop: https://en.wikipedia.org/wiki/Fourth,_fifth,_and_sixth_derivatives_of_position https://en.wikipedia.org/wiki/Fourth,_fifth,_and_sixth_deriv...
- lisper 9mo agohttps://ocw.mit.edu/courses/18-03-differential-equations-spring-2010/63b26053bec64e7c32b93900b15d7fad_MIT18_03S10_Appendix_B.pdf https://ocw.mit.edu/courses/18-03-differential-equations-spr...
- kelnos 9mo agoThe article covers this: > Follow-up 2: Yes, I know that the Tacoma Narrows Bridge collapse was not the result of resonance, but I felt I had to drop the reference to forestall the “You forgot to mention the Tacoma Narrows Bridge!” comments.
- forrestthewoods 9mo agoAsk me how I know you didn’t read the whole article!