Design of high-speed roll-up doors with consideration of the large deflection of windbars due to wind loads

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Abstract

This study aimed to design a high-speed roll-up door with consideration of the large deflection of windbar due to wind loads. To develop the nonlinear finite element model of roll-up doors, the horizontal displacements and vertical deflections of a single windbar were calculated and compared with those obtained by nonlinear beam theory. A finite element analysis on the roll-up doors was also performed to calculate the horizontal displacements and vertical deflections at three different wind speeds. Result showed that the vertical deflection and horizontal displacement of roll-up doors decreased nonlinearly with increased bending stiffness of the windbar. Finally, the stiffness and the windbar location determined the maximum or minimum displacements in horizontal and vertical directions.

Original languageEnglish
Pages (from-to)3737-3744
Number of pages8
JournalJournal of Mechanical Science and Technology
Volume32
Issue number8
DOIs
StatePublished - 1 Aug 2018

Keywords

  • Finite element analysis
  • Nonlinear beam
  • Optimization
  • Roll-up door
  • Windbar

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