CNCS Center for Nonlinear and Complex Systems

CNCS Seminar series

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Upcoming Seminars:
  • Friday, August 26, 2016, 12:30pm, 141 Hudson Hall, CNCS Seminar
    Two studies on buckling, snap-through, and unstable equilibria in post-buckled structures
    Richard Wiebe (University of Washington, Seattle)
     
    Unstable equilibria in structures with conservative restoring forces play a dominant role in dictating the nature of the global structural dynamics. Of course, in the (inevitably) imperfect experimental context, these equilibria are also unobservable. The first part of this presentation will introduce the use of transient response under impact loading to experimentally identify unstable equilibria in buckled beams. The second part instead focuses on the modeling of unstable static equilibria, in particular on a relationship between Euler buckling mode shapes and snap-through.


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