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7 September 2023 General-purpose FPSO acceleration load calculation error correction
Zhen Wang, Peilin Dou, Huimin Chen
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Proceedings Volume 12790, Eighth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2023); 127901O (2023) https://doi.org/10.1117/12.2689730
Event: 8th International Conference on Electromechanical Control Technology and Transportation (ICECTT 2023), 2023, Hangzhou, China
Abstract
In order to accurately analyze the acceleration load acting on the general FPSO pipeline system, based on the potential flow theory, the hydrodynamic calculation software is used to analyze the long-term forecast value of the acceleration of the general FPSO under different overrun probabilities, and the calculated value of the fatigue load coefficient for fatigue evaluation is obtained, and the regression analysis is carried out. At the same time, the design wave method is used to convert the acceleration envelope value at any position of the general-purpose FPSO into a fatigue evaluation load, and a simplified formula for acceleration calculation is fitted. The results show that the applicability of the simplified formula is ideal. Provides a simple algorithm for calculating acceleration loads for general-purpose FPSOs.
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Zhen Wang, Peilin Dou, and Huimin Chen "General-purpose FPSO acceleration load calculation error correction", Proc. SPIE 12790, Eighth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2023), 127901O (7 September 2023); https://doi.org/10.1117/12.2689730
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KEYWORDS
Frequency response
Error analysis
Correlation coefficients
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