Studi Respons Hidrodinamika dan Tegangan Mooring pada Sistem Hybrid Floating Breakwater dan Aquaculture

Wawolumaya, Rafael Aldo (2025) Studi Respons Hidrodinamika dan Tegangan Mooring pada Sistem Hybrid Floating Breakwater dan Aquaculture. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Indonesia sebagai negara kepulauan menghadapi tantangan abrasi pesisir akibat energi gelombang yang tinggi. Floating breakwater (FB) menjadi solusi yang fleksibel, oleh karena itu penelitian ini mengembangkan sistem hybrid FB tipe pontoon dengan aquaculture. Tujuan studi adalah menganalisis RAO, tegangan mooring, serta koefisien transmisi (KT) dan refleksi (KR) pada berbagai skenario FB hybrid dengan metode numerik. Software yang digunakan adalah ANSYS-AQWA dan Flow3D. Hasil menunjukkan respons RAO dominan pada sudut 0°, terutama gerak surge, heave, dan pitch. Skenario model 3.2 tertinggi pada gerak pitch yaitu 0,83. Tegangan mooring pada skenario model 3.2 adalah 92,15 N untuk sudut mooring 45°, 39,29 N untuk sudut mooring 60°, dan 34,99 N untuk sudut mooring 60° dengan penambahan sinker. Skenario model 3.1 memiliki KT terendah yaitu 0,67, sedangkan skenario model 3.2 memiliki KR terendah yaitu 0,25.
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Indonesia, as an archipelagic country, faces coastal erosion challenges due to high wave energy. Floating breakwaters (FB) offer a flexible solution, thus this study develops a hybrid FB pontoon-type system integrated with aquaculture. The objective of the study is to analyze the RAO (Response Amplitude Operator), mooring tension, and transmission (KT) and reflection (KR) coefficients across various hybrid FB scenarios using numerical methods. The software used includes ANSYS-AQWA and Flow3D. Results indicate RAO responses are dominant at a 0° wave incidence angle, particularly in surge, heave, and pitch motions. Model 3.2 has the highest pitch RAO at 0.83. Mooring tension for Model 3.2 shows 92.15 N at a 45° mooring angle, 39.29 N at 60°, and 34.99 N at 60° with a sinker. Model 3.1 has the lowest KT at 0.67, while Model 3.2 has the lowest KR at 0.25.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Floating Breakwater, Aquaculture, Hidrodinamika, Floating Breakwater, Aquaculture, Hydrodynamic
Subjects:	T Technology > TC Hydraulic engineering. Ocean engineering
Divisions:	Faculty of Marine Technology (MARTECH) > Ocean Engineering > 38201-(S1) Undergraduate Thesis
Depositing User:	Rafael Aldo Wawolumaya
Date Deposited:	16 Jul 2025 01:02
Last Modified:	16 Jul 2025 01:02
URI:	http://repository.its.ac.id/id/eprint/119765

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