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Wind and Structures
  Volume 18, Number 5, May 2014, pages 497-510

Optimum bracing design under wind load by using topology optimization
M. Akif Kutuk and Ibrahim Gov

    Seismic and wind load performances of buildings are commonly improved by using bracing systems. In practice, standard bracing systems, such as X, Y, V, and K types are used. To determine the appropriate bracing type, the designer uses trial & error method among the standard bracings to obtain better results. However, using topology optimization yields more efficient bracing systems or new bracing can be developed depending on building and loading types. Determination of optimum bracing type for minimum deformation on a building under the effect of wind load is given in this study. A new bracing system is developed by using topology optimization. Element removal method is used to determine and remove the comparatively inefficient materials. Optimized bracing is compared with proposed bracing types available in the related literature. Maximum deformation value of building is used as performance indicator to compare effectiveness of different bracings to resist wind loads. The proposed bracing, yielded 99%, deformation reduction compared to the unbraced building.
Key Words
    topology optimization; element removal; structural optimization; wind load; bracing
M. Akif Kutuk and Ibrahim Gov: Department of Mechanical Engineering, University of Gaziantep, Gaziantep, Turkiye

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