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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan JURNAL RISET TEKNOLOGI KELAUTAN Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Jurnal Penelitian Enjiniring Fakultas Teknik Unhas International Journal of Metacentre Jurnal Riset & Teknologi Terapan Kemaritiman Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Suandar Baso
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health Transportation

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Analisis Potensi Penyebab Kerusakan Tongkat Kemudi Kapal Sabuk Nusantara Abubakar, Andi Ahmad Zafwan; Sitepu, Ganding; Baso, Suandar
Jurnal Penelitian Enjiniring Vol 25 No 1 (2021)
Publisher : Center of Techonolgy (COT), Fakultas Teknik, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jpe.052021.01

Abstract

Kapal Sabuk Nusantara jenis Kapal Perintis yang merupakan kapal pengangkut barang dan penumpang yang diklaskan menurut BKI ini mengalami masalah pada sistem kemudinya terutama pada bagian tongkat kemudi beberapa kapal ditemukan mengalami kerusakan bahkan terlepas dan hilang dari porosnya selama proses pelayarannya sehingga perlu dianalisis. Metode analisis yang digunakan adalah simulasi kuantitatif untuk mendeskripsikan perbandingan kekuatan struktur, material dan analisis kekuatan, cacat produksi serta beban insidentil yang terjadi pada tongkat kemudi kapal Perintis Sabuk Nusantara di mana proses identifikasi masalah menggunakan Fishbone Diagram. Hasil yang didapat kerusakan tongkat kemudi terjadi dikarenakan beberapa potensi kerusakan pada tongkat kemudi seperti material tidak standar, temuan cacat pada material karena kegagalan produksi dan beban insidentil berupa kapal kandas, hantaman kayu serta terlilit tali pada saat proses mooring rope
A Concept Design of Training Ship in Indonesia Waterway: Toward A Type of Passenger-Container Vessel Rusi, Rusnaedi; Fitriah, Rifkah; Pettarani, Amrin; Rusi, Sudarman; AM, Andi Rachmianty; Baso, Suandar; Asis, Muhammad Akbar
International Journal of Metacentre Vol. 2 No. 2 (2022): December 2022
Publisher : Naval Architecture Departement, Hasanuddin University

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Abstract

In the future, the seafaring profession will face some tough challenges. In order to address the challenges, the Maritime Vocational Education (MVE) is required to produce graduates with appropriate competencies related to the perspective of international trade in the shipping sector based on the Standards of Training, Certification and Watchkeeping for Seafarers (STCW). In order to improve the skills of students, a training ship is needed by maritime vocational education as a real practice for students. This study describes the concept of training ship design for maritime vocational education with consideration of Indonesian waters. The design concept starts with selecting the type of training ship, determining the capacity of the training ship, determining the main dimensions of the training ship design. Making line plans, making General Plan Drawings, calculating ship resistance taking into account Indonesian waters and determining the driving force of the main engine of the training ship as well as calculating the stability of the training ship. This design was applied to the AMI Makassar Maritime Polytechnic as a case study. The results showed that the type of Passenger-Container Vessel. The capacity of the training ship is around 150 students with a container load capacity of 8 TEUs. The main dimensions of the training ship design are the length between perpendicular (Lbp), width (B), height (H), and draft (T) respectively 69.23 m, 12.00 m, 5.50 m, and 2.54 m with Gross Tonage and ship engine power of 1.404,84 GT and 1090,7 Kwatts. The main dimensions of the training ship design are also corrected with the main dimension ratio parameters, geometric shape coefficients, weight and initial static stability.The seafaring profession will face some tough challenges today and in the future. Accordingly, Standards of Training, Certification and Watchkeeping for Seafarers (STCW)
Study of the Impact of Biofouling on Ship Resistance Using Autodesk CFD Rosmani, Rosmani; Baso, Suandar; Saputra, Heri; Asis, Muhammad Akbar; Bochary, Lukman; Chalil, Sopyan
International Journal of Metacentre Vol. 3 No. 1 (2023): June 2023
Publisher : Naval Architecture Departement, Hasanuddin University

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Abstract

Biofouling, the accumulation of marine organisms on ship hulls, poses a substantial challenge in the maritime industry. Over time, organisms like algae and molluscs adhere to hull surfaces, creating a biofouling layer that disrupts water flow and increases ship resistance. This study investigates the effects of biofouling on ship resistance and fluid flow patterns along the hull. Data collection involved measuring key ship dimensions, analyzing ship lines plan drawings, and measuring biofouling thickness. Autodesk Computational Fluid Dynamics (CFD) software was used to calculate ship resistance and analyze fluid flow along the hull. Two conditions were compared: a hull without biofouling and a biofouled hull. At a speed of 1.220 m/s, the biofouled ship model exhibited a resistance of 3,739 N, while the clean hull had a resistance of 3,280 N, indicating a 13.642% resistance increase due to biofouling. Fluid flow analysis revealed complex flow patterns along the biofouled hull, potentially reducing operational efficiency. These findings underscore the importance of biofouling prevention and control measures in minimizing resistance and maintaining operational efficiency. A deeper understanding of fluid flow characteristics related to biofouling allows ship operators and companies to make informed decisions about vessel maintenance, reducing environmental impacts and operational costs. This research contributes to addressing biofouling challenges in the maritime industry.
Experimental Study on Bow Slamming of a Ship Andi Dian Eka Anggriani; Baso, Suandar; Bochary, Lukman; Rosmani; Asis, Muhammad Akbar; Mubarak, Muh Miftach Aqsa; La Ode Gaffar
International Journal of Metacentre Vol. 3 No. 1 (2023): June 2023
Publisher : Naval Architecture Departement, Hasanuddin University

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Abstract

This study discusses about the critical issue of slamming phenomena in ship design, emphasizing its impact on ship safety, environmental concerns, and fuel consumption. The drop tests has been used to investigate bow slamming pressures and internal strain at various drop angle. The results indicated peak pressures at different sensors, with higher drop angles resulting in increased impact pressures and internal strains due to augmented velocity, angular momentum, surface area contact, hydrodynamic effects, and gravitational forces.
Study of Ship Resistance due to Trim using Computational Fluid Dynamics Muhammad Anjas Syam; Baso, Suandar; Ardianti, Andi
International Journal of Metacentre Vol. 3 No. 2 (2023): December 2023
Publisher : Naval Architecture Departement, Hasanuddin University

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Abstract

When a ship experiences trim, the geometric parameters of the underwater ship change compared with even keel condition, such as the ship's draft, length of waterline, and wetted surface area. All these factors affect the ship resistance. The purpose of this research is to understand the influence of trim on ship resistance, and to explain the comparison of ship resistance in even keel, trim by bow, and trim by stern conditions based on Computational Fluid Dynamics analysis.. The method for calculating resistance in this research applies software Autodesk CFD. The type of ship in this study is a container ship. In this study, the hydrodynamic analysis of the ship has been successfully conducted, dynamic parameters such as velocity magnitude, static pressure distribution and resistance have been obtained. The ship model's resistance trim by bow and trim by stern conditions shows a similar tendency, increasing with the trim value. However, when comparing the ship model resistance from each trim condition with the resistance in the even keel condition, there is a difference. The trim by bow condition experiences an increase with an average percentage value of 3.32%. Meanwhile, the trim by stern condition experiences a decrease with an average percentage value of 0.06%. Then, overall, trim by bow condition of -1.441 m shows the highest resistance at 6.044 N and trim by stern condition at 0.5 m has the smallest resistance, which is 5.674 N.
Sosialisasi Penggunaan Airbag Untuk Peluncuran Kapal Kayu di Kelurahan Galesong Kota, Kecamatan Galesong, Kabupaten Takalar Sitepu, Ganding; Bochary, Lukman; Firmansyah, Mohammad Rizal; Djafar, Wihdat; ., Rosmani; Baso, Suandar; ., Indrawansyah; ., Editya
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 7 No 1 (2024): Community Development
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v7i1.450

Abstract

One of the centers for traditional wooden boat construction in South Sulawesi is Galesong District, Takalar Regency, South Sulawesi. Generally, wooden boats constructed by craftsmen in this area are for fishing. Craftsmen's skills in building the boat were acquired from their predecessors. However, the craftsmen still faced some problems during the boat construction work. One of the problems is related to launching the boat into the water, which is still conducted traditionally using logs and sandbags. The solution is to propose the use of airbags to launch ships. Airbags have been used to launch steel ships but relatively not for wooden boats. Hence, this activity aims to introduce the use of airbags to launch the boat. The target for the introduction is a group of wooden boat craftsmen, "Patorani," in Galesong District, Takalar Regency. Before and after the activity, achievements are evaluated by identifying the perceptions and views of craftsmen regarding the airbags. The activity is conducted through socialization and explanations of airbags with visualization. The result shows that almost 90% of the craftsmen had never heard of airbags before and were unsure that airbags could be used to launch the boat. However, after the activity, most craftsmen can be convinced that airbags can solve their boat launching problems. Only one participant out of 15 still had doubts about the use of airbags for boat launching. The rest of the participants were even ready to use the airbags to launch their boats.
Clustering of Ferry Trajectory Distance Based on Port Class and Ship Technical Specification Asri, Syamsul; Sitepu, Ganding; Idrus, Misliah; Chairunnisa, Andi Sitti; Baso, Suandar; Ardianti, Andi
International Journal of Metacentre Vol. 4 No. 2 (2024): December 2024
Publisher : Naval Architecture Departement, Hasanuddin University

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Abstract

A ferry route connects two ports, between a port and a terminal, and between two terminals at a certain distance. A certain distance is the distance of the ferry trajectory that allows for round-trip ferry services. Ships departing from the port of origin to the port of destination can return to the port of origin on the same day. The trajectory distance (DFT (nautical miles) was once grouped into 8 (eight) distance groups, each connected to the gross tonnage cluster of the ship, namely: the shortest (Group 1): DFT ≤ 1.0 nautical miles; and the farthest (group 8): DFT > 120 nautical miles. The Indonesian Government implemented these distance groups in the period 2003 - 2019. Ferry trajectory distance groups are needed to calculate transportation rates and place ships on a ferry route. This study is intended to evaluate and determine the distance group by the characteristics of ferry transportation services, namely shuttle services. The grouping is based on the class of ferry ports and the technical specifications of ferry ships. The results of this study indicate that one of the eight ferry trajectory distance groups implemented, group 2.4, does not match the characteristics of ferry transportation services (shuttle services). In the distance group, 40.1 ≤ FTD (nautical miles) ≤ 80.0, ferrying or frequency of ship operations is only 1 trip/day. The distance group 2.4 must be changed to 40.9 ≤ DFT (nautical miles) ≤ 70.9 to achieve a ferrying frequency of 2 trips/day. Through this study, eight groups of clustering of ferry trajectory distance are proposed to be implemented by the Indonesian Government. The shortest and longest distance groups, are the first distance group (group of 3.1): DFT (nautical miles) ≤ 2.3; and the eighth distance group (group of 1.2): 101.9 ≤ DFT (nautical miles) ≤ 165.2. Research on passenger perceptions of safety and comfort in relation to the duration of the voyage and the dimensions of the ship needs to be carried out to ensure the grouping of ferry trajectory distances orientation are towards service quality.
Pengenalan Metode Resin Infusion Moulding Pada Pembuatan Cetakan Perahu Nelayan Bagi Kelompok Pengrajin Perahu FRP Desa Punaga Kecamatan Laikang Kabupaten Takalar Fachruddin, Farianto; Asri, Syamsul; Firmansyah, M. Risal; Mustafa, Wahyuddin; Idrus, Misliah; Sitepu, Ganding; Rosmani; Ardianti, Andi; Djafar, Wihdat; Haris Djalante, Abdul; Baso, Suandar; St. Chaerunnisa, Andi; Hamzah; Riski Clausthaldi, Fadhil; Akbar Azis, Muhammad
Jurnal Riset & Teknologi Terapan Kemaritiman Vol. 3 No. 1 (2024)
Publisher : Departemen Teknik Sistem Perkapalan, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jrt2k.062024.06

Abstract

Kecamatan Laikang sebagai salah satu lokasi penghasil rumput laut dari Kabupaten Takalar dan merupakan salah satu dari enam kecamatan di Kabupaten Kabuapten Takalar sebagai penghasil rumput laut. Sarana operasional budidaya rumput laut oleh pembudidaya/nelayan adalah perahu kecil dan secara umum berbahan kayu, walaupun sudah ada bermaterial FRP. Saat ini, bahan kayu sudah sulit ditemukan dan berharga mahal. Salah satu kelompok pembudidaya/nelayan rumput laut di Desa Punaga bernama “MATAHARIKU” beranggotakan delapan orang. Sejak tahun lalu 2022 telah menjadi kelompok binaan dari dosen program studi Teknik Perkapalan Fakultas Teknik Universitas Hasanuddin. Salah satu kompetensi kelompok tersebut adalah ketrampilan sebagai pengrajin fiberglass dalam pembuatan dan perbaikan perahu nelayan. P2M ini diharapkan dapat meningkatkan kemandirian dan kompetensi pembudidaya/nelayan dalam pembangunan dan perawatan perahu melalui metode VARI. Secara keseluruhan, P2M ini tidak hanya meningkatkan keterampilan mereka, tetapi juga berkontribusi pada penguatan ekonomi masyarakat pesisir. Hasil kegiatan P2M ini menunjukkan bahwa sebagian besar anggota kelompok pembudidaya/nelayan telah paham tentang hal-hal terkait dengan metode VARI sebagai materi pembelajaran/bahasan.
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.
Socialization of Implementation of Automatic Identification System (AIS) Technology on Passenger and Fishing Boats to Enhance Maritime Safety and Security on Lae-Lae Island ., Rahimuddin; Renreng, Ilyas; Baso, Suandar; Putra, Erwin Eka; Arma, Lukmanul Hakim; ., Hamzah
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 8 No 1 (2025): Community Empowerment through Higher Education Community Service Programs
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v8i1.541

Abstract

The density of ships in the Makassar harbor shipping channel increases along with the increase in the number of ships entering and leaving the port and ships passing through the shipping channel, including traditional passenger ships and fishermen from the surrounding islands. This situation can increase the risk of a ship collision. Traditional passengers and fishing boats have the potential to collide because their boats are not detected by other ships. This situation can occur because they do not have a device that can exchange ship position information, namely, the Automatic Identification System (AIS). The use of an AIS is an alternative solution that can be detected by large ships and provides ship navigation actions to avoid collisions. The socialization of AIS technology and its application to the operators, owners of traditional passenger ships and fishermen is the first step in introducing AIS technology for sailing safety. The activity, which consisted of lectures and Q&A sessions, was used in partnership with the local administration and was attended by 15 people. The activity was assessed by asking the same six questions before and following the presentation. Five participants (33%) were selected for assessment. The initial evaluation revealed that none (0% of participants) were familiar with AIS devices that could supplement radar function. In the final review, 83% of the accumulated responses were correct, up from 25% previously; 17% did not comprehend how AIS works. This activity improves participants' grasp of the importance of utilizing AIS, how it works, and the necessity for sample devices to aid further comprehension.
Co-Authors . Rosmani ., Editya ., Indrawansyah ., Rahimuddin A Ardianti A. Rahmat Darwis A.Dian Eka Anggriani Abd Haris Djalante Abdul Haris Djalante Abubakar, Andi Ahmad Zafwan Akbar Asis Akbar Azis, Muhammad AM, Andi Rachmianty Andi Chairunnisa Mappangara Andi Dian Eka Anggriani Andi Dian Eka Angriani Andi Mursid Nugraha Arifuddin Anggriani, Andi Dian Eka Ardianti, Andi Arifuddin, Andi Mursid Nugraha Asis, Muhammad Akbar Chairunnisa, Andi Sitti Chalil, Sopyan Djafar, Wihdat Fachruddin, Farianto Faizal Arya Samman Farianto Fachruddin Firmansyah, M. Risal Firmansyah, Mohammad Rizal Fitriah, Rifkah Ganding Sitepu Ganding Sitepu Ganding Sitepu Hamzah Hamzah . Haris Djalante, Abdul Himaya, Andi Nadia Husni Sitepu Husni Sitepu, Husni Ilyas Renreng La Ode Gaffar Lukman Bochary Lukmanul Hakim Arma M. Uswah Pawara M.R. Firmansyah Mansyur Hasbullah Mansyur Hasbullah Misliah - Misliah Idrus Misliah Misliah Mohammad Rizal Firmansyah Mubarak, Muh Miftach Aqsa Muhammad Akbar Aziz Muhammad Anjas Syam Musrina, M Mustafa, Wahyuddin Ningrat, Andi Nizam, Syahrul Pettarani, Amrin Putra, Erwin Eka Rachmianty, Andi Riski Clausthaldi, Fadhil Rosmani Rosmani - Rosmani . Rosmani Rosmani Rusi, Rusnaedi Rusi, Sudarman Saputra, Heri Sitorus, Chris Jeremy Verian St. Chaerunnisa, Andi Syamsul Asri Syamsul Asri W. Djafar