Variation Characteristics of Hydrodynamic Coefficients of Two-Dimensional Rectangular Moonpool Resonance under Sway Motion

The phenomenon of sudden changes in hydrodynamic coefficients cannot be neglected when the resonance of a two-dimensional rectangular moonpool occurs; however, it may not be meaningful to discuss the detailed values of hydrodynamic coefficients when the resonance occurs. The analytical solution of t...

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Published in:Sustainability 2022-12, Vol.14 (23), p.15952
Main Authors: Zhang, Zhouhao, Zhang, Hongsheng, Wang, Yuxin, Zhang, Yu
Format: Article
Language:English
Subjects:
Coefficient of variation
Damping
Design and construction
Drilling platforms
Exact solutions
Flow theory
Hydrodynamic coefficients
Hydrodynamics
Hydrofoil boats
Mechanical properties
Potential flow
Radiation
Resonance
Resonant frequencies
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Zhang, Hongsheng
Wang, Yuxin
Zhang, Yu
description The phenomenon of sudden changes in hydrodynamic coefficients cannot be neglected when the resonance of a two-dimensional rectangular moonpool occurs; however, it may not be meaningful to discuss the detailed values of hydrodynamic coefficients when the resonance occurs. The analytical solution of the hydrodynamic coefficients of a two-dimensional rectangular moonpool under sway motion derived based on the linear potential flow theory is first improved. The improved analytical results and the results with the far-field method are then compared and verified. The results show that the hydrodynamic coefficients of a two-dimensional rectangular moonpool under sway motion change suddenly at the second resonant frequency, which was not found in the original analytical solution of damping coefficient.
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subjects Coefficient of variation
Damping
Design and construction
Drilling platforms
Exact solutions
Flow theory
Hydrodynamic coefficients
Hydrodynamics
Hydrofoil boats
Mechanical properties
Potential flow
Radiation
Resonance
Resonant frequencies
title Variation Characteristics of Hydrodynamic Coefficients of Two-Dimensional Rectangular Moonpool Resonance under Sway Motion
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