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A comparison of response-based analysis and environmental contour methods for FPSO Green water assessment

Lookup NU author(s): Dr Xin Wang, Dr Wai Lok Woo

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Abstract

Copyright © 2018 ASME. Response-based green water analysis is carried out on an FPSO model with complicated effects of appendages and attachments. An efficient numerical approach developed and validated in our previous work is adopted in this study to evaluate the green water on FPSO, considering effects from bilge keel, spread mooring and portside risers in frequency domain. To accelerate the numerical study, an artificial neural network (ANN) is developed for nonlinear interpolation. Comparisons are made between relative wave elevation results from response-based analysis and traditional contour line approach using DNV and HDC methods. The response-based analysis using nonlinear model and simplified linear model are also compared to examine if nonlinear effect due to appendages and attachments on FPSO would affect the accuracy of response based analysis.


Publication metadata

Author(s): Wang S, Wang X, Woo WL

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 37th International Conference on Offshore Mechanics and Arctic Engineering - OMAE

Year of Conference: 2018

Online publication date: 22/06/2018

Acceptance date: 17/06/2018

Publisher: American Society of Mechanical Engineers (ASME)

URL: https://doi.org/10.1115/OMAE2018-77841

DOI: 10.1115/OMAE2018-77841

Library holdings: Search Newcastle University Library for this item

ISBN: 9780791851203


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