Ship collision damage assessment and validation with experiments and numerical simulations

Shengming Zhang, R. Villavicencio, L. Zhu*, P. Terndrup Pedersen

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Abstract

    Closed-form expressions to estimate the energy absorption and damage extent for severe ship collision damages were initially developed in 1999 [1, 2], and further validated with experimental data in 2016 [3]. To gain further confidence for applications within design using the proposed analytical procedure, it is evident that more detailed and comprehensive comparisons and validations with experiments and numerical simulations are necessary. The purpose of the present paper is to use the analytical approach and finite element analyses to study in depth model-scale and full-scale collision tests so that to further quantify key calculation parameters and to verify the capability and accuracy of the proposed analytical method. In total 18 experimental tests and one full-scale collision accident are evaluated. The 18 experimental energy absorption-penetration and collision force-penetration curves, and the associated finite element simulations, are compared with results obtained from the analytical calculations. It can be concluded that the analytical method gives consistently good agreement with all experiments analysed here. Finally, an application of the analytical method is demonstrated by an example where speed restrictions are determined in a port to avoid LNG cargo leakage in an event of an LNG carrier being struck by another ship.
    Original languageEnglish
    JournalMarine Structures
    Volume63
    Pages (from-to)239 - 256
    ISSN0951-8339
    DOIs
    Publication statusPublished - 2019

    Keywords

    • Ship collision
    • Damage assessment
    • Energy absorption
    • Collision force
    • Analytical solution
    • Finite element analysis
    • Experimental result
    • Collision risk management

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