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Identification of Spatial Modes Through Instantaneous Vibration Direction

    Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

    Abstract

    Directional vibrations (i.e., directional swaying mode motions and/or torsional mode motions) exist widely in many civil structures such as high-rise buildings and offshore platforms which are exposed to random dynamic loads like winds or ocean currents. These motions may result in directional damages (e.g., fatigue damages) of these structures. Thus, there is a need to identify such directional vibrations. This paper presents a new method for the identification of spatial modes through analysis of the instantaneous vibration direction. This method is based on responses from accelerometers installed at several floors while only one bi-axis accelerometer is required at each floor. It is thus of great practicability and very convenient for engineering applications.
    Original languageEnglish
    Title of host publicationProceedings of the 8th Asia-Pacific Conference on Wind Engineering, APCWE 2013
    EditorsNagesh R. Iyer, Prem Krishna, S. Selvi Rajan
    PublisherResearch Publishing Services
    Pages701-710
    ISBN (Print)9789810780111
    DOIs
    Publication statusPublished - Dec 2013
    Event8th Asia-Pacific Conference on Wind Engineering (APCWE 2013) - Chennai, India
    Duration: 10 Dec 2013 → 14 Dec 2013

    Publication series

    NameProceedings of the Asia-Pacific Conference on Wind Engineering, APCWE

    Conference

    Conference8th Asia-Pacific Conference on Wind Engineering (APCWE 2013)
    Abbreviated titleAPCWE-VIII
    PlaceIndia
    CityChennai
    Period10/12/13 → 14/12/13

    Research Keywords

    • Instantaneous and synchronous analysis
    • Modal identification
    • Spatial vibration
    • Tall building
    • Torsional response

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