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+--- Thread: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all lear (/showthread.php?tid=201280)
Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all lear - cbelt3 - 02-03-2017
And we learned WRONG.
Older News article (2015)
http://www.seattletimes.com/seattle-news/75-years-ago-famous-clip-of-galloping-gertie-not-accurate-study-says/
Math paper:
https://www.ma.utexas.edu/mp_arc/c/13/13-25.pdf
The bridge ? Deer Isle bridge in Maine (near Bar Harbor. I went to a high society summer camp in Maine in my early teens for several years. My parents got rid of me, grandparents paid for it so I would connect with 'the right people', but I didn't, because they were all jerks...
I recall walking across that bridge many times, looking down through the expanded mesh pedestrian deck at the waters 100 feet below, and feeling the bridge shudder in the wind and the stays and cables 'sing' their song of doom. Talk about your adrenaline rush !
Re: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all - Article Accelerator - 02-03-2017
While the cited paper undergoes peer review, it seems that the currently accepted explanation is the last alternate (5.4) the paper discussed, i.e. aeroelastic flutter:
https://en.wikipedia.org/wiki/Tacoma_Narrows_Bridge_(1940)#Collapse
https://en.wikipedia.org/wiki/Aeroelasticity#Flutter
Re: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all - jdc - 02-03-2017
So I read that whole "math paper" and re-ddid the same calculations myself, and Im telling I think it was
Re: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all - pdq - 02-03-2017
Shake, rattle and roll...
Re: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all - ka jowct - 02-03-2017
You'd want to be wearing your brown pants if you were out in the middle of that span.
Re: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all - rz - 02-03-2017
I loved watching the film loop of that in grade school. I've had the opportunity to drive over the "new" Tacoma Narrows bridge several times.
Re: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all - max - 02-04-2017
Re: Sudden Realization.. I've walked across a bridge that was of similar design to the old Tacoma Narrows bridge we all - lost in space - 02-04-2017
Yep, vortex shedding set 'er off, I'd wager.