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All Journal Dinamika : Jurnal Teknik Mesin Jurnal Konversi Energi dan Manufaktur Prosiding Seminar Nasional Pengabdian Kepada Masyarakat
Wulandari, Dyah Arum
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Aerospace Engineering Humanities Automotive Engineering Economics, Econometrics & Finance Education Energy Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Other

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Journal : Jurnal Konversi Energi dan Manufaktur

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ANALISIS TEGANGAN EKUIVALEN FENDER BENTUK SETENGAH PIPA DAN BENTUK PELAT H PADA KAPAL MENGGUNAKAN METODE ELEMEN HINGGA: Analysis of Equivalent Stress on Half-Pipe and H-Plate Shaped Fenders on Ships using Finite Element Method Firmansyah , Ainun; Priyambodo Nur Ardi Nugroho; Wulandari, Dyah Arum
Jurnal Konversi Energi dan Manufaktur Vol. 8 No. 2 (2023)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.8.2.1

Abstract

Fenders are structures installed on the edges of ships to protect the ship's hull from impact with the dock. The main function of fenders is to absorb the collision energy generated by the ship's impact during berthing at a dock. The load applied to fenders on each ship results in stress distribution in the surrounding hull area, which can lead to various issues such as damage, cracks, deformations, and others. Additionally, the presence of fenders with different shapes can affect the stress distribution values in the surrounding hull area. Hence, a local stress analysis using finite element method software is necessary. The analysis focuses on static loads originating from the ship itself when docked at a port. However, only the fender section is analyzed, and it is not necessary to consider the entire ship's body. The objective of the analysis is to determine the stress characteristics and maximum stress values in the fender itself. The analysis results reveal that the highest stress value occurs in the half-pipe-shaped fender with a value of 0.22809 MPa. Based on these findings, it can be concluded that the stress values in the fender meet the allowable standards. In conclusion, this analysis provides an understanding of stress and the maximum stress value in ship fenders. This knowledge is crucial to ensure that fenders effectively fulfill their function of protecting the ship from impacts with docks.
APLIKASI COMPUTATIONAL FLUID DYNAMIC PADA ANALISIS DAMPAK BULBOUS BOW TERHADAP HAMBATAN KAPAL BANTU CAIR MINYAK: Application of Computational Fluid Dynamic in Analyzing The Impact of Bulbous Bow on Resistance of Auxiliary Oil Vessel Maulidah, Alina Rizka; Karyono, Tri; Priyambodo Nur Ardi Nugroho; Wulandari, Dyah Arum
Jurnal Konversi Energi dan Manufaktur Vol. 9 No. 2 (2024)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.9.2.5

Abstract

The concept of oil liquid auxiliary vessel combines tanker and container ship features, designed to achieve high speed while maintaining the same displacement, necessitating design analysis to optimize hull resistance. One approach used is the addition of a bulbous bow to the hull. This study compares the resistance between the conventional hull of BCM-3 and the bulbous bow-equipped hull of BCM-4 using computational fluid dynamic (CFD) method with NUMECA. Speed variations used were 16 knots, 17 knots, and 18 knots. The research results show that the use of a bulbous bow on BCM-4 yields more optimal total resistance, with respective resistance values of 339.807 N at 16 knots, 374.558 N at 17 knots, and 497.606 N at 18 knots.
Co-Authors Dhiyaulhaq, Nasywa Raihan Dwiyati, Siska Titik Firmansyah , Ainun Indrawan, Andi Dwiki Maulidah, Alina Rizka Melando, Edo Priyambodo Nur Ardi Nugroho Ryan Maulana Setianto, Ridwan Sholehudin, Fauzi Syaefuddin, Eko Arif Tri Karyono Wardoyo Wardoyo Wardoyo