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Cited by 28Vibration Control and Rheological FluidsSeismic Performance and AnalysisSeismic and Structural Analysis of Tall Buildings

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Optimum Value of Negative Stiffness and Additional Damping in Civil Structures

Qu, Chunxu, Li, Hong-Nan, Huo, Linsheng, Yi, Ting-Hua·2017·Journal of Structural Engineering
DOI 10.1061/(asce)st.1943-541x.0001805
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Abstract

The negative stiffness (NS) phenomenon and additional supplemental damping (AD) were proposed and investigated in recent years. Despite the bulk of literature on the base shear reduction for structures with the NS at the base or on the first story, the application of the NS and AD in the stories of a superstructure was barely studied. Considering the implementation of the NS and AD in a passive way, this paper proposes an innovative approach to optimize the NS and AD values on the different stories of civil structures. First, the formulation is derived to convert the optimization of NS and AD to the static feedback decentralized controller design problem. Then, the controller is searched by homotopy path, which leads to a local optimal solution. Finally, the procedure is validated by a 20-story benchmark structural model.

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Research works printed but not linked: 23

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Metadata

Authors
Qu, C., Li, H.-N., Huo, L., & Yi, T.-H.
Affiliations
Dalian University of Technology (CN)
Corresponding author
Li, Hong-Nan
ORCID
Venue
Journal of Structural Engineering
Publisher
American Society of Civil Engineers (ASCE)
Published
2017-08
Volume
143
Issue
8
ISSN
  • 0733-9445 (ISSN-L)
  • 1943-541X
DOI
10.1061/(asce)st.1943-541x.0001805
OpenAlex
W2600249930
Cited by
28
References
0
Citations by year
2025: 3 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 6 · 2020: 3 · 2019: 6 · 2018: 3 · 2017: 1
FWCI
3.72
Type
journal article
Language
en
Open access
closed
Locations
Journal of Structural Engineering (publishedVersion)
Funders
  • Georgia Institute of Technology
  • Rice University
  • National Natural Science Foundation of China
  • China Postdoctoral Science Foundation
Topics
  • Physical Sciences › Engineering › Civil and Structural Engineering › Vibration Control and Rheological Fluids
  • Physical Sciences › Engineering › Civil and Structural Engineering › Seismic Performance and Analysis
  • Physical Sciences › Engineering › Civil and Structural Engineering › Seismic and Structural Analysis of Tall Buildings
Keywords
negative stiffness, supplemental damping, passive vibration control, structural optimization, decentralized control, static feedback control, base shear reduction, multi-storey buildings, civil engineering structures

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