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All Journal International Journal of Marine Engineering Innovation and Research Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan
Arianti, Erdina
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Fatigue Life Analysis of Mooring Cleats on The N219A Aircraft Floater Based on Numerical Simulation Yulfani, Rosi Dwi; Rosyid, Daniel M.; Nugroho, Wibowo Harso; Priohutomo, Kusnindar; Sugiarto, Moh. Muria Armansyah; Arianti, Erdina
Zona Laut : Jurnal Inovasi Sains Dan Teknologi Kelautan Volume 5, Number 2, July 2024 Edition
Publisher : Departemen Teknik Kelautan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/zl.v5i2.42798

Abstract

One of the procedures for rescuing a seaplane after an operational is to secure it, namely by mooring at an available port or mooring at a mooring buoy. This mooring buoy is considered a vehicle necessary for securing seaplanes in coastal conditions where it is not yet possible to build infrastructure in the form of an amphiport. To overcome this problem, seaplanes need to add a mooring cleat at the end of the bow of each float, which attaches the rope to the mooring buoy itself. So, it is necessary to study the strength of the mooring cleat itself when withstanding environmental loads. This study was carried out by modelling the mooring cleat using the finite element method to determine where the most significant stresses occur in the mooring cleat structure. Mooring cleats are modelled on deck thickness with varying thicknesses of 20mm and 40mm. The stress that occurred in the mooring cleat structure is then calculated using the Palmgren-Miner rule to determine the fatigue life of the mooring cleat for each variation. It was found that the largest von Misses stress experienced by the structure using 7075-T6 aluminium material was 147.87 MPa, which occurred in the mooring cleat, which was located on the 20mm deck thickness variation at the portside. Meanwhile, this variation's most extended fatigue life calculation occurred for the 40mm deck thickness variation on the portside with 514.43 years.
Fatigue Life Amphibious Floater based on RAO Slamming Pressure Priohutomo, Kusnindar; Nugroho , Wibowo Harso; Arianti, Erdina; Hidayat, Dony; Pinindriya, Sinung Tirtha; Yulfani, Rosi Dwi; Sugiarto, Muria Armansyah; Ismail, Muhammad Fajariansyah; Eritha, Fadila Norasarin; Choiriyah, Isma
International Journal of Marine Engineering Innovation and Research Vol. 11 No. 1 (2026)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v11i1

Abstract

Floater is one of the most important part of amphibious version plane and conducting study of it becomes one of the featured research to support Indonesia’s transportation. This paper examined general study of amphibious floater slamming load when landing on the water in the various plane landing situation, starting from stern 5°, stern 10°, bow 5°, bow 10°, heel 0°, heel 5° and heel 10°. Carbon Fiber Reinforced Polymer (CFRP) material is used with 20 and 40 mm thickness. Floater consists of three main parts which are base, keel, and frame. Seaplane is designed to withstand 1000 cycle (500 landing and 500 take off cycle) in a year. This paper confirms that with the thickness of 20 and 40 mm, and heel position of 0°, floater can withstand up to 65,535 years. In contrary, using the 20 and 40 mm layer when landing with any combination position, the floater can’t last and only has 0.01 year of fatigue life.
Co-Authors Choiriyah, Isma Daniel M. Rosyid Eritha, Fadila Norasarin Hidayat, Dony Ismail, Muhammad Fajariansyah Nugroho , Wibowo Harso Pinindriya, Sinung Tirtha Priohutomo, Kusnindar Sugiarto, Moh. Muria Armansyah Sugiarto, Muria Armansyah Wibowo Harso Nugroho Yulfani, Rosi Dwi