期刊
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING
卷 113, 期 -, 页码 454-461出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.soildyn.2018.06.008
关键词
Tall building; Fluid viscous dampers; Optimization; Automated design; High-performance computers
资金
- Pacific Earthquake Engineering Research (PEER) Center
Using fluid viscous dampers (FVDs) has been demonstrated to be an effective method to improve seismic performance of new and existing buildings. In engineering applications, designs of these dampers mainly rely on trial and error, which is repetitive and labor intensive. To improve on this tedious manual process, it is beneficial to explore more formal and automated approaches that rely on recent advances in software applications for nonlinear dynamic analysis, performance-based evaluation, workflow management and the computational power of high-performance, parallel processing computers. The optimization design procedure follows the framework of Performance Based Earthquake Engineering (PBEE) and uses an automatic tool that incorporates an optimization engine and structural analysis software: Open System for Earthquake Engineering Simulation (OpenSEES). An existing 35-story steel moment frame is selected as a case-study building for verification of this procedure. The goal of the retrofit design of FVDs is to improve the building's seismic behavior to avoid collapse under a Level 2, basic safety earthquake event (BSE-2E). An objective function of buildings total loss under a BSE-2E event is used and its optimal damper patterns will be proposed. The efficiency of the optimization procedure will be demonstrated and compared with the manual procedure.
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