Broadside vessel collision forces for conventional riser-guard

Dinesh Kumaran Palaniandy, Zubair Imam Syed, Mohd Shahir Liew, Saravanan Karuppanan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Oil and gas operators have taken considerable amount of measures to prevent offshore service vessel collision with risers, especially in the wake of the Mumbai High North disaster. One of the measures taken is the installation of steel riser-guards on fixed offshore jacket platforms. The conventional riser-guard however, has been associated with several design related issues, which provide room for further design optimisation, or even a potential replacement with other alternatives. Quantification and selection of appropriate design load for riser-guard system is highly desirable for design improvement and optimization. This study attempts to investigate and establish the impulse loads equivalent to the broadside collision of a 2500 tonne displacement vessel with the conventional riser-guard. Parametric study was performed to investigate the effects of varying width to the resulting impulse load equivalent to vessel collision forces. General purpose finite element modelling software was used to perform dynamic analysis and establish the equivalent impact loads.

Original languageEnglish
Title of host publicationStructural, Environmental, Coastal and Offshore Engineering
PublisherTrans Tech Publications Ltd
Pages210-215
Number of pages6
ISBN (Print)9783038351238
DOIs
Publication statusPublished - 1 Jan 2014

Publication series

NameApplied Mechanics and Materials
Volume567
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

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  • Cite this

    Palaniandy, D. K., Syed, Z. I., Liew, M. S., & Karuppanan, S. (2014). Broadside vessel collision forces for conventional riser-guard. In Structural, Environmental, Coastal and Offshore Engineering (pp. 210-215). (Applied Mechanics and Materials; Vol. 567). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/AMM.567.210