Eric, Eric (2025) SIMULASI CFD GELOMBANG HASIL OLAH GERAK KAPAL NELAYAN PELABUHAN KARANGANTU. S1 thesis, Fakultas Teknik Universitas Sultan Ageng Tirtayasa.
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Abstract
This study aims to analyze waves generated by the motion of fishing vessels using a Computational Fluid Dynamics (CFD) simulation approach. Waves from vessels can have a significant impact on the coastal environment, including abrasion and disruption to marine ecosystems. The simulation was conducted using a 3D model of a fishing vessel from field measurements, designed with Solidworks 2022 and analyzed using Ansys Fluent software. The simulated vessel speeds varied from 6 knots, 8 knots, and 10 knots. The simulation results show that the higher the vessel speed, the greater the wave height and energy generated. A speed of 10 knots produces a maximum wave height of 0.3093 m and an average wave energy of 1166.8 J/m, which exceeds the safe threshold based on the Brisbane River criteria. Conversely, at a speed of 6 knots, the maximum wave height is 0.0907 m and the average wave energy is much lower, at 23.67 J/m, which is considered the safest for reducing environmental impacts. This study recommends the use of low speeds in fishing vessel operations in port areas to maintain vessel stability and preserve the aquatic environment. Keywords: Computational Fluid Dynamics, Fishing Vessels, Ship Waves, Ansys Fluent, Wave Energy
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Penelitian ini bertujuan untuk menganalisis gelombang yang dihasilkan oleh olah gerak kapal nelayan dengan pendekatan simulasi Computational Fluid Dynamics (CFD). Gelombang kapal dapat berdampak signifikan terhadap lingkungan pesisir, termasuk abrasi dan gangguan terhadap ekosistem laut. Simulasi dilakukan menggunakan model 3D kapal nelayan hasil pengukuran lapangan yang dirancang dengan Solidworks 2022 dan dianalisis menggunakan perangkat lunak Ansys Fluent. Variasi kecepatan kapal yang disimulasikan adalah 6 knot, 8 knot, dan 10 knot. Hasil simulasi menunjukkan bahwa semakin tinggi kecepatan kapal, semakin besar ketinggian dan energi gelombang yang dihasilkan. Kecepatan 10 knot menghasilkan tinggi gelombang maksimum sebesar 0,3093 m dan rata-rata energi gelombang sebesar 1166,8 J/m, yang melebihi ambang batas aman berdasarkan kriteria Brisbane River. Sebaliknya, pada kecepatan 6 knot, tinggi gelombang maksimal sebesar 0,0907m dan rata-rata energi gelombang jauh lebih kecil, yaitu 23,67 J/m, dan dinilai paling aman untuk mengurangi dampak lingkungan. Penelitian ini merekomendasikan penggunaan kecepatan rendah dalam operasi kapal nelayan di kawasan pelabuhan guna menjaga stabilitas kapal dan kelestarian lingkungan perairan. Kata kunci: Computational Fluid Dynamic, Kapal Nelayan, Gelombang Kapal, Ansys Fluent, Energi Gelombang | |||||||||
| Subjects: | T Technology > TJ Mechanical engineering and machinery | |||||||||
| Divisions: | 03-Fakultas Teknik 03-Fakultas Teknik > 21201-Jurusan Teknik Mesin |
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| Depositing User: | Eric E Eric | |||||||||
| Date Deposited: | 29 Oct 2025 01:15 | |||||||||
| Last Modified: | 29 Oct 2025 01:15 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/55528 |
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