gregk's blog
A great russian mathematician Vladimir Arnold died on 3rd of June, 2010 in Paris
Submitted by gregk on Fri, 2010-06-04 12:40.Vladimir Arnold died on 3rd of June 2010 in Paris, just 9 days before his 73rd birthday.
I am sure many mechanicians know him by his books, such as
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Spectacular torsional-flexural autovibrations of a Volga bridge
Submitted by gregk on Fri, 2010-05-21 22:15.The autovibrations of the bridge over Volga river in the city of Volgograd(Russia) were filmed (not by me) today on 05/21/2010. The amplitude reachedabout 1 m. The bridge opening was just six months ago...
Apparently, either the bridge frame drag was too high or torsional stiffness / damping too low.
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