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Appl. Sci. 2017, 7(2), 137; doi:10.3390/app7020137

Optimization Design of Coupling Beam Metal Damper in Shear Wall Structures

1
Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian 116024, China
2
Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
3
Department of Mechanical Engineering, Penn State University, State College, PA 16802, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Gangbing Song
Received: 10 November 2016 / Revised: 25 December 2016 / Accepted: 22 January 2017 / Published: 3 February 2017
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Abstract

The coupling beam damper is a fundamental energy dissipation component in coupling shear wall structures that directly influences the performance of the shear wall. Here, we proposed a two-fold design method that can give better energy dissipation performance and hysteretic behavior to coupling beam dampers. First, we devised four in-plane yielding coupling beam dampers that have different opening types but the same amount of total materials. Then the geometry parameters of each opening type were optimized to yield the maximum hysteretic energy. The search for the optimal parameter set was realized by implementing the Kriging surrogate model which iterates randomly selected input shape parameters and the corresponding hysteretic energy calculated by the infinite element method. By comparing the maximum hysteretic energy in all four opening types, one type that had the highest hysteresis energy was selected as the optimized design. This optimized damper has the advantages of having a simple geometry and a high dissipation energy performance. The proposed method also provided a new framework for the design of in-plane coupling beam dampers. View Full-Text
Keywords: coupling beam dampers; hysteretic behavior; carrying capacity; Kriging surrogate model coupling beam dampers; hysteretic behavior; carrying capacity; Kriging surrogate model
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Zhang, Z.; Ou, J.; Li, D.; Zhang, S. Optimization Design of Coupling Beam Metal Damper in Shear Wall Structures. Appl. Sci. 2017, 7, 137.

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