Numerical Study on the Motion of Semisubmersible in Irregular Waves

This research aims to evaluate the motion characteristics of a semisubmersible that is moored in both regular waves and irregular waves. The 6-DOF motion responses and tensions of mooring cables have been investigated using the 3D panel method in Ansys AQWA software. Pierson-Mskowitz wave spectrum h...

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Bibliographic Details
Published in2023 8th International Scientific Conference on Applying New Technology in Green Buildings (ATiGB) pp. 1 - 6
Main Authors Phan, Thanh-Long, Nguyen, Tien Thua
Format Conference Proceeding
LanguageEnglish
Published IEEE 10.11.2023
Subjects
6-DOF
Frequency-domain analysis
Green buildings
irregular waves
motion response
Numerical simulation
regular waves
Sea state
semisubmersible
Software
Three-dimensional displays
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Summary:This research aims to evaluate the motion characteristics of a semisubmersible that is moored in both regular waves and irregular waves. The 6-DOF motion responses and tensions of mooring cables have been investigated using the 3D panel method in Ansys AQWA software. Pierson-Mskowitz wave spectrum has opted for the environmental load acting on the semisubmersible. The results of numerical simulation are verified with those of experiment data in both frequency domain and time domain in regular waves. The motion responses of the semisubmersible and the cable tensions in irregular waves of sea state 5 and sea state 6 are then evaluated.
DOI:10.1109/ATiGB59969.2023.10364456