Topology Optimization of Bracing Systems for Multistory Steel Frames under Earthquake Loads

Ji Zhuo Huang; Zhan Wang

doi:10.4028/www.scientific.net/AMR.255-260.2388

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Topology Optimization of Bracing Systems for Multistory Steel Frames under Earthquake Loads
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 255-260Topology Optimization of Bracing Systems for...

Topology Optimization of Bracing Systems for Multistory Steel Frames under Earthquake Loads

Abstract:

Application of continuum structural topology optimization methods to the layout design of bracing systems for multistory steel frame buildings under earthquake loads is explored in this work. A weighted average strain energy sensitivity of element is formulated to be served as the element removal criterion in the optimization process, and then an ESO-based continuum structural topology optimization method for the layout design of multistory steel frame bracing systems subjected to earthquake-induced ground motions is presented. In each iterative design, an approximate reanalysis technique named CA method is adopted to reduce the computational effort. Finally, a design example is given to demonstrate the effectiveness of the presented optimization method for the optimal layout design of steel frame bracing systems under earthquake loads.

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Advances in Civil Engineering, CEBM 2011

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Periodical:

Advanced Materials Research (Volumes 255-260)

Pages:

2388-2393

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.255-260.2388

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Online since:

May 2011

Authors:

Ji Zhuo Huang, Zhan Wang

Keywords:

Bracing System, Earthquake Load, Response History Analysis, Steel Frame, Topology Optimisation

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