Optimization Design of Coupling Beam Metal Damper in Shear Wall Structures

Applied Sciences

Shuaifang Zhang¹  Dongsheng Li²  Jinping Ou²  Zhe Zhang³ 

[1] Department of Mechanical Engineering, Penn State University, State College, PA 16802, USA;Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China;Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian 116024, China;

关键词: coupling beam dampers;    hysteretic behavior;    carrying capacity;    Kriging surrogate model;   

DOI  :  10.3390/app7020137

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown