Damage detection in Jacket type offshore platforms using modal strain energy

Amin Ghafooripour, M Amiri, B. Asgarian

    Research output: Contribution to journalArticle

    Abstract

    Numerical studies are demonstrated for the 3D finite element model of Jacket platform. In the structures, damage often causes a loss of stifness in some elements so modal parameters such as natural frequencies and mode shape in the damage damaged structures are different from the undamaged state. Damage location is detected by comuting model strain energy change ratio. It is observed that this method can be used for damage detection of this kind of structures.
    Original languageEnglish
    Pages (from-to)325-337
    Number of pages13
    JournalStructural Engineering and Mechanics
    Volume33
    Issue number3
    Publication statusPublished - 2009

    Keywords

    • Offshre structure
    • Damage detection
    • Jacket Paltform
    • Strain energy

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