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All Journal Turbo : Jurnal Program Studi Teknik Mesin EPI International Journal of Engineering Jurnal Pengabdian Masyarakat Formosa (JPMF) International Journal of Metacentre PIKAT Jurnal Riset & Teknologi Terapan Kemaritiman Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Arifuddin, Andi Mursid Nugraha
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences Transportation Other

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Numerical Evaluation of Transversal Strength of Traditional Fishing Vessel in Penajam Paser Utara, East Kalimantan, Indonesia Pawara, Muhammad Uswah; Alamsyah; Arifuddin, Andi Mursid Nugraha; Tobing, Andreyano Yosefan Lumban; Hidayat, Taufik; Nurcholik, Samsu Dlukha; Syadzali, Abdul Mujib
Indonesian Journal of Maritime Technology Vol. 1 No. 2 (2023): Volume 1 Issue 2, December 2023
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v1i2.1070

Abstract

Challenges in procuring wood as the primary material for ships have led to a decline in overall quality. Meeting the demands of shipbuilding often involves neglecting consideration for the quality and characteristics of construction materials. Additionally, the shipbuilding process commonly overlooks technical and operational aspects associated with construction specifications. Ship damages frequently result from the selection of wood types, sizes, and ages that do not meet construction criteria or fall below the standards for achieving optimal construction. Many ship constructions are identified that fail to meet the requirements for ensuring the safety and security of the crew, ship, and cargo during operations. This research aims to numerically assess the transverse strength of fishing vessels operating in Penajam Paser Utara using Ansys software. Survey results indicate an average size of fishing boats in this area as 10 – 20  meters in length. 2.6 - 3.5 meters in width, and 1.6 – 2.5 meters in height. The stress analysis results from Ansys Workbench were recorded at 2.3402 MPa
Determination of Electrical Power for Lighting Distribution Using LED Lights on KM. Tuna Kita Suardi, Suardi; Sitorus, Chris Jeremy Verian; Kustiwansa, Harlian; Arifuddin, Andi Mursid Nugraha; Pawara, Muhammad Uswah; Hariyono, Hariyono; Alamsyah, Alamsyah; Cahyani, Alviana Eka; Mubarak, Azhar Aras; Lumenteri, Fido Fortunatus
Indonesian Journal of Maritime Technology Vol. 3 No. 1 (2025): Volume 3 Issue 1, June 2025
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v3i1.1287

Abstract

Fishing vessels are specialized ships designed to support commercial fishing operations by integrating various structural and functional elements such as hull dimensions, deck layout, load capacity, crew accommodations, propulsion systems, and supporting equipment. One critical yet often overlooked component of such vessels is the lighting system, which plays a key role not only in ensuring operational safety and visibility but also in enhancing fishing effectiveness, particularly during night operations. Currently, many fishing vessels still rely on conventional fluorescent lighting, which is less energy-efficient and has a shorter operational life compared to modern alternatives such as LED technology. This study addresses the inadequacy of current lighting installations on fishing vessels by proposing a redesigned electrical installation system utilizing LED lamps. The objective is to develop an efficient and functionally optimized lighting plan that reduces energy consumption and operational costs while improving onboard visibility. Additionally, LED lights can serve dual purposes on fishing vessels—not only for general illumination but also as fish-attracting lights, which may contribute to increased catch yields. The research employs the Zonal Cavity Method (also known as the Lumen Method) as the primary analytical approach. This method enables the calculation of illumination levels by considering inter-surface reflectance and dividing each interior space into three distinct zones: the High Ceiling Cavity (HCC), High Room Cavity (HRC), and High Floor Cavity (HFC). Illumination levels are then determined according to established lighting standards for each functional area within the vessel. The results of the analysis demonstrate that LED-based lighting systems significantly outperform fluorescent systems in terms of energy efficiency, uniformity of light distribution, and alignment with lighting standards. Furthermore, the proposed installation plan offers long-term operational benefits, including reduced maintenance requirements and lower power consumption. The findings support the broader adoption of LED lighting in small-scale fishing vessels and suggest further research into integrating solar-based energy systems to enhance sustainability and self-sufficiency in future vessel designs.
Effect of Lifting Lug Hole Diameter Size on Strength Performance in Ship Block Lifting Process: English Arifuddin, Andi Mursid Nugraha; Nizam, Syahrul; Pawara, Muhammad Uswah; Sitorus, Chris Jeremy Verian; Rachmianty, Andi; Ningrat, Andi; Baso, Suandar
Indonesian Journal of Maritime Technology Vol. 3 No. 1 (2025): Volume 3 Issue 1, June 2025
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v3i1.8481345

Abstract

The safety of the ship block lifting process is always a serious concern during the assembly of ship blocks. The block/structure and equipment must not be damaged during the lifting process. This study aims to determine the structural response values that occur with various hole diameter sizes of the lifting lug during the ship block lifting process. The object of this research is a ship block from the new construction of the Ferry Ro-Ro 1500 GT. The method used is numerical simulation based on finite element method (FEM) software. The simulation is conducted to obtain the stress and deformation values for each size of the lifting lug. The selected ship block load is the largest ship block load, which is 52,380 tons. The number of lifting lugs used in the simulation is 5, with varying diameters of 53, 58, 63, 68, and 73 cm. Based on the simulation results, the diameter of 63 mm gets the minimum normal and shear stress figures. While the minimum von misses stress figure is shown by the variation of the diameter of 73 mm. While the smallest deformation figure is shown by the variation of the diameter of 53 mm. In general, all variations of lifting lug holes can still be applied with the note that the weight of the load must be considered.
Co-Authors Abiyyu Harly Saputra Ahmad Razzan Alamsyah Alamsyah - Andi Trimulyono Awali , Jatmoko Bancin, Sutomo Baratau, Irentya Anugra Burliyanto, Decky Cahyani, Alviana Eka Dwiyanti, Diva Syahirah Eko Agung Syaputra Elfin Zulmi Azhar Faisal Mahmuddin Fiesta Olivia Fitri, Ade Gom Gom Mulia Yehezkiel Tambunan Hariyono Hariyono Hijriah Hijriah Ikhwani, Rodlian Jamal Indah Sari, Fitria Kurniawati, Diniar Mungil Kustiwansa, Harlian Kusuma, Andhi Indira Lumbantoruan, Hendra Eliakim Lumenteri, Fido Fortunatus M. Uswah Pawara Manik, Aljoiden mubarak, azhar aras Naufal, Daffa Ahmad Ningrat, Andi Nizam, Syahrul Pontoh, Arief Nugraha Rachmianty, Andi Rajagukguk, Pernando Anju Rara Gusnia Nurulhaini Rohimsyah, Fikan Mubarok Saadiyah, Devy Setiorini Samsu Dlukha N Sherina Fitri Hariani Siagian, Firman Veryvicasi Vernando Simatupang, Gusrawati, Sander V S Sitorus, Chris Jeremy Verian Suandar Baso Suardi Suardi Suardi Suardi, Suardi Syadzali, Abdul Mujib Taufik Hidayat Taufik Hidayat Tobing, Andreyano Yosefan Lumban Wahyuda, Wahyuda