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Analysis, experiments and application of an antiprismatic deployable space truss system characterized by snap-back behaviour

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Event details

Date and time 23.05.2012 10:3011:30  
Place and room
Speaker Noémi Friedman, Associate Lecturer at the Ybl Miklós Faculty of Architecture and Civil Engineering of Szent István University (Hungary)
Category Conferences - Seminars
The specific cylindrical system, namely the deployable antiprismatic lattice structure, derived from the yoshimura origami pattern and proposed by Hegedűs, is characterized by its pop-up deployment due to the energy accumulated from lengthening some bars during packing. Zero deployment-load corresponds both to the fully deployed and the compact configuration, the latter being an unstable equilibrium state corresponding to the maximal internal energy. The packing behavior of the antiprismatic deployable structure will be shown through a simplified 2D structure possessing similar packing properties to that of the chosen specific system. The equilibrium paths of packing and the concerning difficulties (bifurcation of the path, snap-back phenomenon, singular configurations etc.) as well as the packing sequences will be revealed through analytical and numerical research.

Practical information

  • General public
  • Free

Organizer

  • IMAC

Contact

  • Gaudenz Moser

Tags

IICIMAC

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