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International Journal of Marine Engineering Innovation and Research
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 25415972     EISSN : 25481479     DOI : ttp://dx.doi.org/10.12962/j25481479
Core Subject : Science, Social, Engineering,
Automotive Engineering 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
International Journal of Marine Engineering Innovation and Research (IJMEIR) is an open-access journal, which means that visitors all over the world could publish, read, download, cite and distribute papers published in this journal for free of cost. IJMEIR journal has a vast group of visitors, a far-reaching impact and pretty high citation. IJMEIR adopts a peer-review model, which insured fast publishing and convenient submission. IJMEIR now cordially inviting you to contribute or recommend quality papers to us. This journal is geared towards the dissemination of original innovation, research and practical contributions by both scientists and engineers, from both academia and industry. Theses, dissertations, research papers, and reviews associated with all aspects of marine engineering, marine sciences, and marine technology are all acceptable for publication. International Journal of Marine Engineering Innovation and Research (IJMEIR) focus and scopes are preserve prompt publication of manuscripts that meet the broad-spectrum criteria of scientific excellence. Areas of interest include, but are not limited to: Automotive Biochemical Biology Biomedical science Biophysics and biochemistry Chemical Chemistry Combat Engineering Communication Computer science Construction Energy Energy storage Engineering geology Enterprise Entertainment Environmental Environmental Engineering Science Environmental Risk Assessment Environmental technology Financial Engineering Fire Protection Engineering Fisheries science Fishing Food Science and Technology Health Care & Public Health, Health Safety Health Technologies Industrial Technology Industry Business Informatics Machinery Manufacturing Marine Engineering Marine sciences Marine technology Marine biology Marine economic Marine engines Marine fisheries Marine fuel Marine geology Marine geophysic Marine management Marine oil and gas Marine policy Material sciences Materials science and engineering Mathematics Mechanics Medical Technology Metallurgical Micro-technology Military Ammunition Military Technology Military Technology and equipment Mining Motor Vehicles Naval Engineering Neuroscience Nuclear technology Ocean Robotics and Automation Safety Engineering Sanitary Engineering Space Technology Statistics Traffic Transport Visual Technology
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 1,114 Documents
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Analysis of the Effectiveness of Agile Supply Chain in Indonesia’s Largest Shipbuilding Industry Sutjipto; Intan Baroroh
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

The shipbuilding industry is currently facing increasingly complex challenges, particularly related to market demand dynamics, global competition, and production timeliness. The implementation of Agile Supply Chain (ASC) is expected to be a strategic solution to address these challenges because ASC can increase flexibility and response to rapid changes and high demand variability. This study aims to analyze the Supply Chain Management (SCM) process in the largest shipbuilding industry in Indonesia, with a focus on identifying challenges in ASC implementation and examining the role of information technology in supporting this framework. A mixed methods approach is employed to investigate these issues by collecting data through questionnaires, in-depth interviews, direct observation, and analysis of relevant documents. The research findings indicate that ASC implementation, with collaboration and integration technology as the most dominant variables, can significantly improve operational flexibility, accelerate production timelines, reduce reliance on inventory, ensure timely material arrivals, and improve coordination among stakeholders in the supply chain. In addition, the adoption of ASC can result in faster ship construction compared to the initial planning stage. Challenges faced in implementing ASC include the need for investment in technological infrastructure, workforce training, and organizational culture transformation. Training, effective communication, and investment in supply chain digitalization systems are essential to improve the effectiveness of ASC implementation, thereby supporting the competitiveness and efficiency of the Indonesian shipbuilding industry in the future.
Sensitivity Study of Dynamic Response and Seismic Performance of Offshore Tripod Structure Under Variation of Center of Gravity Location Novan Arif Hidayat; Daniel Mohammad Rosyid; Yoyok Setyo Hadiwidodo
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

An effective weight control is critical for managing gravity loads and the center of gravity (CoG) evolution in offshore platforms. International standards, including ISO 19901-5:2021, require that CoG shift envelopes—defined in 2D (X–Y) and 3D (X–Y–Z) coordinate systems—be considered when assessing pile foundation capacity and global structural behavior. This study examines the sensitivity of the dynamic response and seismic performance of a three-legged fixed offshore structure (tripod) due to variation of CoG location. Tripod known have characteristic as slender structure and long natural period that make it particularly sensitive to gravity loads, lateral forces, and soil variability. A systematic sensitivity analysis was performed using 75 cases, spanning four directional quadrants in both 2D and 3D (upward and downward) associated with 0%, 10%, and 20% of topside operating mass increment. Dynamic and in-place analyses incorporating pile-soil interaction (PSI) were conducted using SACS software. Seismic performance was evaluated through response spectrum–based equivalent static methods. The results show variation of CoG location influenced the dynamic response and structural performance. The response determined significantly amplify if the CoG variation associated with mass increment, particularly under in-place conditions that exhibited greater sensitivity than seismic condition. The study also proposes a CoG shift envelope that maintains acceptable structural performance and recommends its adoption in future design and modification planning. Emphasis is placed on active CoG management and the necessity for future non-linear assessments to capture post-elastic behavior and ensure the robustness of tripod platform design.
Determining Tugboat Initial Speed Limit to Avoid Collision with Jetty at Paciran Port Esqy Dhiya’ul Fuady; I Putu Sindhu Asmara; Imam Sutrisno
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

Paciran Port experiences growing vessel activity, particularly from limestone barges, highlighting the critical need for safe port operations. Ship berthing inherently carries risks, including potential collisions with the jetty. This study aims to determine the maximum safe initial speed limit for tugboats assisting barge berthing at Paciran Port, to prevent such incidents. We employed a simulation method based on the Maneuvering Modelling Group using MATLAB software. The MMG model considered various environmental factors, including water depth, wind forces, and current effects. The novelty of this paper lies in the integration of the CFD method and MMG to determine hull forces and moments. Hydrodynamic coefficients were obtained from Computational Fluid Dynamics (CFD) analysis and empirical formulas. Berthing speed acceptance criteria were based on PIANC standards. Our simulations, conducted across three environmental conditions and multiple initial speed variations, revealed that an initial speed of 5 knots resulted in "Unfavourable" berthing conditions, increasing collision risk. Conversely, initial speeds below 5 knots consistently allowed for safe berthing, with final speeds remaining below 0.3 m/s, meeting PIANC's Favourable to Moderate criteria. We conclude that the maximum acceptable initial tugboat speed at Paciran Port, to avoid jetty collisions during tugboat-assisted berthing, is below 4 knots.
Catch Per Unit Effort (CPUE) Dynamic of Scad (Decapterus spp) related to Water Parameters in the Banda Sea Fajar Indah Ningsih; Am Azbas Taurusman; Budy Wiryawan; Prihatin Ika Wahyuningrum
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

The lack of data and information concerning the scad fishing grounds in that area restricts the efficiency of fish capture. This research aims to estimate the CPUE of the scad, map the spatial-temporal dynamics of sea surface temperature (SST) and chlorophyll a (Chl-a), and evaluate the SST and Chl-a relationship to scad catch rates in the Banda Sea. The SST and chl-a were obtained from Aqua MODIS satellite imagery over three years (2020-2022), while scad catch data were obtained from the Kendari Fishing Port. Bivariate correlation analysis was used to assess the relationship between SST, Chl-a, and scad catch rates. The results show a fluctuation trend in CPUE (2020-2022), with CPUE values ranging from 53.41 to 354.65kg/trip. The temporal distribution of SST values ranged from 26.91 to 29.42°C, while the Chl-a concentration ranged from 0.20 to 4.8mg/m³. Spatially, it was higher near the shore and lower offshore. A moderate negative correlation (r = -0.464) was observed between Chl-a and CPUE, while SST showed a weak positive correlation (r = 0.101) with the CPUE. This study recommends integrating field data and satellite imagery to accurately estimate the fishing grounds to improve efficiency and sustainable fisheries management in the Banda Sea.
Effect of Biomass Waste and CaO Blend Compositions on the Pelletizing Characteristics of Refuse-Derived Fuel (RDF) Lusi Ernawati; Rizqy Romadhona Ginting; Rizka Lestari; Apip Amrullah; Obie Farobie; Pandji Prawisudha; Muhammad Raihan; Pangga Apriliawan
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

Refuse-Derived Fuel (RDF) is increasingly acknowledged as a sustainable method of managing municipal solid waste while simultaneously producing valuable energy. However, the quality and compactness of RDF as a fuel can vary substantially depending on the materials used to produce it. The incorporation of biomass waste and calcium oxide (CaO) significantly influences the pelletizing behavior of biopellets by altering their physical and thermal properties, which in turn determines their effectiveness and suitability as a fuel source. In this study, representative RDF pellets were prepared by blending four primary components: wood sawdust, organic waste, plastic waste, and a fixed proportion of CaO. The investigation focused on assessing the effects of varying biomass waste-to-organic waste ratios on the physicochemical characteristics, densification behavior, and proximate properties of typical RDF pellets. The experimental design included biomass-to-organic waste ratios of 1:1, 2:1, 3:1, 4:1, 5:1, and 6:1 while the proportions of plastic (20 wt%) and CaO (5 wt%) were held constant. The findings revealed that optimal RDF performance was achieved at biomass-to-organic waste ratios of 1:1 and 6:1, respectively. The resulting RDF pellets exhibited the following properties: ash content of 7.04 ± 8.78%, moisture content of 8.19 ± 8.82%, volatile matter ranging from 65.11 ± 66.19%, fixed carbon content of 13.95 ± 17.32%, calorific values between 4193 ± 4419 kcal·kg-1, and bulk densities of 0.98 ± 1.18 kg·dm-3. These results highlight the potential of RDF pellets as a promising alternative fuel source for boiler applications.
Determination of Potential Zones for Website-Based Small Pelagic Fish in Banten Bay Waters Ayang Armelita Rosalia; Denta Tirtana; Luthfi Anzani; Amanda Chairunnisa; Naufal Rahaditya Aryadi; Adela Nur Anbiya; Anggieta Tri Cahyani; Batrisya Hawani Balqis; Mahathir Muhamad Ashari; Muhamad Rifky Rivandi
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

The waters of Banten Bay have abundant resources of small pelagic fish. Anchovies, mackerel, Shortfin scad, goldstripe sardinella, selar fish, mullet, and lemuru are small types of pelagic fish that can be found all year round in the waters of Banten Bay. Based on its abundant potential, however, its utilization is still inefficient because most local fishermen still use traditional fishing methods, which result in low catches and incomes. The purpose of this study is to develop a website-based system to determine the Fishing Potential Zone (FPZ) in the waters of Banten Bay by utilizing sea surface temperature (SST) and chlorophyll-a data from Aqua MODIS satellite imagery in 2023. Data processing is carried out with SeaDAS and ArcGIS software to determine FPZ points that are implemented in the form of a website, namely FishZone Mapper. The FishZone Mapper website is designed to provide information that can be easily accessed by fishermen, researchers, and other stakeholders to improve fishing efficiency. The results showed that there was a significant difference in the number of FPZ points in the western and eastern seasons, which affected fishing strategies.
Structural Analysis and Design of Superstructure and Roof Systems for the Canteen Building at Kalimantan Institute of Technology Hijriah; Fachreza Akbar; Andi Sahputra Depari; Amanda Sabina Putri; Suardi
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

Kalimantan Institute of Technology (ITK), established on October 6, 2014, in Balikpapan, East Kalimantan, currently lacks adequate canteen facilities, compelling the academic community to seek meals off-campus. This study aims to design a new canteen facility to be constructed above the campus reservoir, focusing specifically on the structural and roofing systems. The planned canteen is expected to fulfill the food and beverage needs of students, lecturers, and staff, while also serving as a hub for social interaction. Our research methodology incorporates both qualitative and quantitative approaches. The project phases encompass detailed load analysis, structural modeling, internal force analysis, and a thorough plumbing design. Structural design adheres to the relevant Indonesian National Standards (SNI) for reinforced concrete structures and earthquake resistance. The substructure utilizes deep foundations adapted to local soil conditions, while the superstructure comprises reinforced concrete elements and a steel roofing system. Structural analysis results indicate the use of beams B1 (500×300 mm) and B2 (400×200 mm), circular columns K1 (D600 mm), and slab thickness of 120 mm. The roof structure consists of IWF rafters (300×150×6.5×9 mm), HB columns (300×300×10×15 mm), and CNP 200–16. This integrated design demonstrates a feasible and sustainable approach to infrastructure development on water-saturated soils.
System Modeling of Predictive Maintenance for Engine Health Monitoring on Ship Auxiliary Engines Using Vibration Variables Egas Wahyu Endrianto; Indra Ranu Kusuma
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

This research presents a dynamic system modelling approach for predictive maintenance of ship auxiliary engines using vibration variables. The model integrates key mechanical components—piston, crankshaft, camshaft, valve train, and timing gear—based on the specifications of a Yanmar TF85 diesel engine. Each subsystem is modelled using a multi-degree-of-freedom (MDOF) state-space framework to represent vibrational and structural dynamics. Simulations are carried out in MATLAB/Simulink under various engine operating conditions, including normal operation at high, medium, and low RPMs, as well as fault scenarios such as damping degradation in the piston and crankshaft. A fuzzy logic system is employed to interpret the vibration data and determine the impact level for each condition. The results indicate that under normal conditions, the engine maintains stable vibration levels, while faults lead to significant increases in velocity RMS values and impact severity. Disturbances in the piston result in dominant amplitude changes, while crankshaft faults affect the frequency propagation throughout the system. These findings confirm that the proposed model can effectively detect early mechanical deviations and support the implementation of predictive maintenance strategies for marine diesel engines.
The Influence of Safety Observation on the 9 Building Blocks of Safety Model Canvas for a Dredging Company Muhammad Bilal Teguh; Adithya Sudiarno
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

The dredging industry's dynamic and high-risk operational environment makes its safety culture a critical factor in preventing occupational accidents. However, the complex interplay between different dimensions of safety culture in such a unique, project-based context is not yet fully understood. This research aims to develop and empirically test a structural model that explains the causal relationships among the nine core dimensions of the Safety Model Canvas and evaluates the influence of Safety Observation program within this framework. This study employed a quantitative approach using Partial Least Square Structural Equation Modeling (SEM-PLS). Data were collected from a major Indonesian dredging company through 50-item questionnaires administered to 95 employees and an analysis of 595 formal Safety Observation reports. A model with 12 hypothesized paths was tested to validate the theoretical framework. The analysis confirmed the model's validity, with 8 of the 12 hypotheses being statistically significant. The findings reveal that the Safety Observation program significantly enhances both Engagement & Involvement and Information & Communication. A robust operational pathway was identified where proactive leadership fosters worker engagement, which in turn builds responsibility. However, the model also uncovered a critical systemic weakness in the organizational learning process, indicating a failure to effectively translate safety information into enhanced worker competence. This study contributes a validated causal model of safety culture, offering significant theoretical and practical insights for safety management in project-based maritime industries.
Optimizing Waste Management in Lhokseumawe City: a GIS-Based Needs Assessment for Collection Facilities to Mitigate Illegal Dumping Nanda Savira Ersa; Herman Fithra; Syibral Malasyi; Eva Lestari; Mukhlis; Zara Yunizar
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 3 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i3

Abstract

Solid waste management is a significant urban issue in Indonesia. This is exacerbated by rapid population growth and urbanization, which are not accompanied by sound waste management practices, such as a lack of infrastructure and widespread illegal dumping. This paper presents a data-driven methodology for analyzing trash generation patterns and identifying infrastructure requirements using a Geographic Information System (GIS). The goal is to create a data-driven strategy for identifying optimum Waste Collection Locations (WCPs) in order to improve service efficiency and reduce environmental impact. The study results show that Lhokseumawe City produces 530 m³ of waste daily. Therefore, Lhokseumawe City requires 44 strategically located waste disposal sites, taking into account existing illegal dumping locations and population density. An additional 21 garbage trucks are also needed to manage the urban waste generation volume. This indicates a significant shortage of waste management facilities to serve the population. This study presents a practical plan for local governments, including optimal WCP locations and designs, to achieve the SDGs goal of becoming a sustainable city.

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