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Response Amplitude Operators of Tlp Floating Wind Turbine - Calculations and Experiments Cover

Response Amplitude Operators of Tlp Floating Wind Turbine - Calculations and Experiments

Acta Mechanica et Automatica
Volume 19 (2025): Issue 4 (December 2025)
By: Ewelina CIBA,  Filip HAHS,  Mirosław GRYGOROWICZ and  Paweł DYMARSKI  
Open Access
|Dec 2025

Figures & Tables

Fig. 1.

The shape of the analyzed TLP platform
The shape of the analyzed TLP platform

Fig. 2

Model of the tested platform
Model of the tested platform

Fig. 3.

Division of methods for determining hydrodynamic coefficients depending on the way of defining the variable speed
Division of methods for determining hydrodynamic coefficients depending on the way of defining the variable speed

Fig. 4.

View in the plane of symmetry, blue color - volume cell completely filled with water, red color - volume cell filled with air
View in the plane of symmetry, blue color - volume cell completely filled with water, red color - volume cell filled with air

Fig. 5.

View of the mesh in the plane of symmetry, divided into a moving mesh - marked in green and a stationary mesh - marked in black
View of the mesh in the plane of symmetry, divided into a moving mesh - marked in green and a stationary mesh - marked in black

Fig. 6.

The values of the determined coefficients depend on the number of mesh elements used for the calculations
The values of the determined coefficients depend on the number of mesh elements used for the calculations

Fig. 7.

The value of the force acting on an oscillating object obtained from calculations and its approximation using a linear and quadratic equation
The value of the force acting on an oscillating object obtained from calculations and its approximation using a linear and quadratic equation

Fig. 8.

Values of the dimensionless linear damping coefficient as a function of frequency for different motion amplitudes
Values of the dimensionless linear damping coefficient as a function of frequency for different motion amplitudes

Fig. 9.

Values of the dimensionless added mass coefficient depending on the frequency for different motion amplitudes
Values of the dimensionless added mass coefficient depending on the frequency for different motion amplitudes

Fig. 10.

Morison coefficient values depending on the frequency for different movement amplitudes
Morison coefficient values depending on the frequency for different movement amplitudes

Fig. 11.

Surface model divided into underwater and above-water parts, and its division into surface mesh elements
Surface model divided into underwater and above-water parts, and its division into surface mesh elements

Fig. 12.

Oscillation patterns of free structures for various initial deflections. Comparison of experimental results with calculations where damping is modeled using a linear or quadratic coefficient
Oscillation patterns of free structures for various initial deflections. Comparison of experimental results with calculations where damping is modeled using a linear or quadratic coefficient

Fig. 13.

Comparison of Response Amplitude Operators obtained from experimental studies of the platform motion on a regular wave and calculated using the program where the damping is modeled using a linear or quadratic coefficient
Comparison of Response Amplitude Operators obtained from experimental studies of the platform motion on a regular wave and calculated using the program where the damping is modeled using a linear or quadratic coefficient

Platform parameters

Mass [t]3555.3
Displacement [m3]12 150
Draft [m]26
Length of leg [m]54
Water depth [m]70
DOI: https://doi.org/10.2478/ama-2025-0073 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088
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Language: English
Page range: 653 - 658
Submitted on: Apr 1, 2025
Accepted on: Nov 3, 2025
Published on: Dec 19, 2025
Published by: Bialystok University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Floating Offshore Wind Platform (FOWP),
Response Amplitude Operators (RAO),
hydrodynamic coefficient,
Tension Leg Platform (TLP)
Related subjects:
Engineering,
Electrical engineering,
Electronics,
Mechanical engineering,
Mechanics,
Bioengineering and biomedical engineering,
Biomechanics,
Civil engineering,
Environmental engineering

© 2025 Ewelina CIBA, Filip HAHS, Mirosław GRYGOROWICZ, Paweł DYMARSKI, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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