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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Department of Naval Architecture Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Rekayasa Hijau International Journal of Marine Engineering Innovation and Research Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Journal of Marine-Earth Science and Technology Kolaborasi Jurnal Pengabdian Masyarakat Jurnal Pengabdian West Science Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Berlian Arswendo Adietya
Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro (Instansi Penulis) Jl. Prof. Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia 50275
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation

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Pengembangan Budidaya Ikan Lele Hemat Air Berbasis Kolam Terpal di Desa Geneng Kabupaten Demak Mulyono, Andi Tri; Adietya, Berlian Arswendo; Kurohman, Faik; Silitonga, Beatrik Mayisa Abelia; Hatadina, Zidan Alriski Putra; Maharani, Afifah Listiyandira; Asna, Alfi Fairuz
Jurnal Pengabdian West Science Vol 4 No 08 (2025): Jurnal Pengabdian West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpws.v4i08.2543

Abstract

Desa Geneng, Kabupaten Demak, memiliki potensi sumber daya air tawar yang belum dimanfaatkan secara optimal untuk budidaya ikan lele. Melalui Program Pengabdian Masyarakat Tematik (KKNT), tim mahasiswa Universitas Diponegoro memberdayakan masyarakat dengan mengembangkan budidaya ikan lele yang efisien dalam penggunaan air menggunakan kolam terpal. Kegiatan ini meliputi desain sistem drainase otomatis, sistem sirkulasi air, filter sederhana, dan drainase kolam, serta pelatihan teknis tentang instalasi kolam dan manajemen pakan. Metode partisipatif diterapkan melalui observasi, desain teknis, pelatihan praktis, dan evaluasi lapangan. Hasilnya menunjukkan peningkatan efisiensi air, kemudahan pemeliharaan kolam, dan peningkatan pemahaman masyarakat tentang sistem pertanian berkelanjutan. Program ini diharapkan menjadi model percontohan untuk budidaya ikan lele skala rumah tangga di daerah pedesaan.
Pemeriksaan Kesehatan Gratis sebagai Upaya Deteksi Dini Penyakit Tidak Menular di Komunitas Asna, Alfi Fairuz; Trimulyono, Andi; Kurrohman, Faik; Adietya, Berlian Arswendo; Hanyfah, Dewinta Roebiyana; Farhana, Annisa; Syafrillia, Dewi; Safitri, Laela; Weslee, Chalvin; Alviskarahma, Keizha
Kolaborasi: Jurnal Pengabdian Masyarakat Vol 5 No 5 (2025): Kolaborasi: Jurnal Pengabdian Masyarakat
Publisher : Yayasan Inspirasi El Burhani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56359/kolaborasi.v5i5.633

Abstract

Introduction: Non-communicable diseases (NCDs) are the most significant global public health challenge, significantly impacting both developed and developing countries. The results of the 2023 Indonesian Health Survey (SKI) indicate that NCDs such as diabetes mellitus, heart disease, and hypertension remain a major issue in Indonesia and Central Java Province.  Early detection of NCD risks through blood sugar, blood pressure, uric acid, and cholesterol level tests plays a crucial role in preventing and managing these chronic conditions. Objective: This community service activity aims to support NCD prevention efforts at the local level, particularly in Central Java, by involving the community in early detection programmes and promoting healthy behaviours. Method: This community service activity was carried out in June 2025 in Geneng Village, Demak, using a participatory method involving active community engagement. The program consisted of planning, health examinations, health education, and follow-up. A total of 51 participants from the productive and elderly age groups underwent health checks including blood pressure, blood glucose, uric acid, and cholesterol using standardized tools. The results were recorded, interpreted according to the Ministry of Health categories, and delivered to participants along with education on healthy lifestyles, such as dietary modifications, physical activity, and routine health monitoring. Data were analyzed descriptively and the results were also submitted to the local Public Health Center as input for non-communicable disease prevention programs. Result: The screening showed that 57.7% of respondents had high blood pressure, 13.04% had high blood sugar, 53.5% had high cholesterol, and 13.9% had high uric acid. These four types of screening can serve as important indicators and play a strategic role in the early detection of Non-Communicable Diseases (NCDs), enabling health interventions to be implemented in a timely and appropriate manner to prevent further complications. Respondents were then provided with an explanation of their screening results, including an interpretation of the health check results and recommendations for a healthy lifestyle. Conclusion: The conclusion from this community service activity is that some respondents still have hypertension, abnormal blood sugar levels, high uric acid, and high cholesterol.
PEMBERDAYAAN UMKM SANGGUL DI DESA GENENG MELALUI PEMBUATAN WEBSITE SEBAGAI MEDIA PROMOSI DIGITAL Ramadhani, Wahyu; Yahdun, Finodya; Trimulyono, Andi; Asna, Alfi Fairuz; Adietya, Berlian Arswendo
Jurnal Pasopati Vol 7, No 2 (2025): Vol 7, No 2 (2025)
Publisher : Fakultas Teknik Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/pasopati.2025.28946

Abstract

Perkembangan teknologi digital membawa dampak besar pada berbagai aspek kehidupan, termasuk sektor usaha mikro, kecil, dan menengah (UMKM). Namun, banyak UMKM di desa masih mengalami keterbatasan dalam mengakses teknologi informasi sehingga membutuhkan pendampingan dan inovasi untuk meningkatkan daya saing. Desa Geneng, Kabupaten Klaten, memiliki potensi produk unggulan berupa sanggul tradisional yang dikelola oleh para pengrajin lokal. Selama ini, pemasaran produk sanggul masih terbatas secara konvensional dan bergantung pada jaringan dari mulut ke mulut, sehingga kurang optimal menjangkau pasar yang lebih luas. Program pengabdian masyarakat ini bertujuan untuk mendukung digitalisasi UMKM melalui pembuatan dan pendampingan website berbasis komunitas yang mudah digunakan oleh pengrajin sanggul. Kegiatan dilakukan melalui pendekatan partisipatif, meliputi pelatihan dasar penggunaan website, pembuatan konten produk, hingga strategi pemasaran digital sederhana. Hasil program menunjukkan peningkatan pemahaman pelaku UMKM tentang pentingnya media digital serta kemampuan dasar dalam memanfaatkan website sebagai sarana promosi. Walaupun masih terdapat kendala berupa keterbatasan literasi digital dan ketersediaan perangkat, antusiasme masyarakat cukup tinggi. Dengan adanya program ini, diharapkan UMKM sanggul di Desa Geneng dapat memperluas jangkauan pemasaran, meningkatkan nilai jual produk, serta membangun identitas digital yang berkelanjutan untuk mendukung kemandirian ekonomi desa. Kata Kunci: UMKM, website, pemberdayaan, promosi digital, Desa Geneng.
DIMENSIONAL ANALYSIS AND EXPERIMENTAL DESIGN FOR PREDICTING THE CALCULATION OF THE VALUE OF THE TORQUE COEFFICIENT ON PROPELLER B-SERIES, CASE STUDY OF B3-50 AND B5-80 Adietya, Berlian Arswendo; Indiaryanto, Mahendra; S, Sutiyo; Kusuma, Cahya
Journal of Marine-Earth Science and Technology Vol. 3 No. 3 (2022): December
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v3i3.581

Abstract

Experimental design is a fairly old method of statistically analyzing an experimental prediction. This is used to replace a fairly old system as well, namely in the form of a trial and error method. Because with this method the response results approach from a study can be predicted statistically. In this study, we will calculate some torque values of a propeller on a displacement ship type. Where the ship's operational displacement ship runs on a Froude number below 0.25, for that the Wageningen B-series propeller type is very suitable for this ship. Furthermore, dimensional analysis is carried out with variables that affect propeller performance and uses multivariate combination calculations. The results of the study show the regression equation between the KQ values of the B-series propeller data and the regression formula with the equation Y = 0.9916x + 0.000835 with the value of R2 being 0.9931. so we try to apply an experimental design method to be validated with the polynomial results of the B-series propeller on blades 3 to 6, so that the statistical method of this experimental design is up-to-date in propulsion design calculations.
Slamming Probability and Impact to Speedboats Hull Based on Seakeeping Motion Wulandari, Amalia Ika; Syahab, Husein; Adietya, Berlian Arswendo
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 22, No 3 (2025): October
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v22i3.77940

Abstract

Slamming is a critical dynamic load for small, high-speed craft because repeated hull–wave impacts can generate intense stresses and deformations that threaten structural integrity. This study investigates the probabilistic risk of slamming and the resulting structural response of an aluminium speedboat by integrating seakeeping motion analysis with structural evaluation. First, vessel motions and wave-induced pressures were computed using the Boundary Element Method (BEM) under regular wave conditions with significant heights of 0.125 m, 0.25 m, and 0.50 m. Heave and pitch motions were quantified through Response Amplitude Operators, and their statistics were used to estimate the probability of bottom slamming. The probability associated with pitch increased from 54 % at 0.125 m to 86 % at 0.50 m, showing that pitch is the dominant trigger for slamming. The calculated hydrodynamic pressures were then applied to a detailed Finite Element Method (FEM) model of the aluminium hull to evaluate structural stresses and deformations. As wave height increased from 0.125 m to 0.50 m, the maximum slamming load rose from 2.28 × 10⁻³ MPa to 9.10 × 10⁻³ MPa, causing peak structural stresses to climb from 4.77 MPa to 19.06 MPa and maximum deformations from 0.19 mm to 0.76 mm. Stress concentrations were consistently located on unsupported bottom plating near the bow, while areas reinforced by transverse frames experienced much lower response. These findings demonstrate that both sea-state severity and hull reinforcement layout govern slamming vulnerability, providing practical guidance for strengthening small craft against impulsive wave impacts.
Polbeng Research Vessel Comfort Study in the Malacca Strait jamal, jamal; Hafiz, Muhammad Alimul; Santoso, Budhi; Adietya, Berlian Arswendo; Suardi; Juanda
Indonesian Journal of Maritime Technology Vol. 4 No. 1 (2026): Volume 4 Issue 1, June 2026
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v4i1.8481970

Abstract

The Polbeng Research Vessel is a small research ship developed by Politeknik Negeri Bengkalis (Polbeng) in collaboration with CV. Fatih Bahari Engineering. The vessel is constructed from High Density Polyethylene (HDPE) and has principal dimensions of 9 m length overall (LOA), 2.2 m breadth, and 1.2 m depth, powered by an 85 HP outboard engine. This study aims to evaluate the seakeeping and motion comfort performance of the vessel to support research activities involving personnel and onboard equipment. The seakeeping analysis is conducted using a frequency-domain approach based on Response Amplitude Operators (RAOs), where ship motions are evaluated under regular wave conditions. Four operational cases are considered, involving two wave heights (0.2 m and 0.4 m) and two wave encounter directions, namely beam seas (90°) and head seas (180°). Three ship motions are analyzed: heave, roll, and pitch. The results indicate that roll motion in beam seas conditions exhibits the most significant response compared to other motions, which is consistent with the theoretical characteristics of small vessels having shorter restoring arms for roll motion. Overall, the vessel’s motion responses remain within acceptable limits and satisfy established comfort criteria based on NORDFORSK 1987, STANAG 4154, U.S. Coast Guard (USCG), ISO 2631/1, ISO 2631/3, and BS 6841:1987 standards. The findings provide technical insight into the seakeeping behavior and comfort performance of HDPE-based small research vessels and serve as a reference for the design, evaluation, and development of environmentally friendly research and working vessels to enhance operational safety and effectiveness.
Structural Response Analysis During Slamming Events on Speedboats Using Aluminum Material Wulandari, Amalia Ika; Syahab, Husein; Baidowi, Achmad; Adietya, Berlian Arswendo
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 structural response analysis of an aluminum speedboat during slam-ming due to regular waves was conducted using the one-way fluid-structure interaction method. This method involves generating waves through hydrody-namic diffraction to obtain loads, which are then applied to the ship's struc-ture and analyzed using finite element analysis. It is known that the greater the force generated from slamming , the stress and deformation at the critical load point will increase. In addition to being influenced by the critical point, the maximum stress is also influenced by the ship's construction design. It has been found that the highest stress and deformation occur on the surface of the plate that is not supported by the transverse construction. Therefore, it can be concluded that the construction design can influence the magnitude of the structural response to the slamming event . Efforts that can be made by ship designers and manufacturers are to convert ships by using materials that are better at absorbing loads, such as the use of sandwich materials
Optimization of Inner Bilge Design to Enhance Cargo Tank Capacity in Tankers Yulianto, Ardi Nugroho; Winarko, Raybonda Reinaldi; Pasaribu, Sheely Leony Artha; Ahmad, Roisul Fadli; Adietya, Berlian Arswendo; Hasanudin, Hasanudin
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 23, No 1 (2026): February
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v23i1.82683

Abstract

The world of shipping industry keeps evolving to develop the most efficient ship designs, including tanker ship designs. According to MARPOL Annex 1 Regulation 19, oil tankers over 600 deadweight and built after 6 July 1996 must have wing tank and double bottom structures, which significantly reduce the cargo hold volume. Therefore, the objective of this research is to optimize the cargo hold volume by converting the conventional sloped hopper into a rounded inner bilge configuration. The optimization problem is formulated with the cargo oil tank volume as the objective function to be maximized. The design variables include the inner bilge radius and the positions of two cargo landing points at each knuckle along the cargo oil tank, defined in transverse and vertical coordinates. The constraints consist of regulatory and design requirements, including clearance, stability, freeboard, and longitudinal strength. Grid search method is employed to systematically evaluate all possible combinations of design variables, ensuring identification of the global optimum. The optimisation process is automated using Visual Basic for Applications (VBA) integrated with ship modelling software. The research resulted in a new design that increased the cargo oil tank volume by 0.960%. A sister ship with the same payload could be built with an optimized cargo oil tank design configuration by reducing the length of the cargo oil tanks and the ship itself. However, this improvement comes with a trade-off in terms of practical applicability during the shipbuilding process.
Co-Authors A. Bisri, A. A.F. Zakki Abdurrofi, Arnan Achmad Baidowi, Achmad Adinata, Wahyu Aditya Yuna Adri Zakky Zain Agil Andrian, Agil Agung, Nadiva Putri Ahmad Fauzan Zakki Ahmad Fauzan Zakky Ahmad, Roisul Fadli Akhmad Syarif Zulfikar Alan Tigana Sabaruddin, Alan Tigana Alfi Fairuz Asna Alfonso Nababan Alief Hidayatulloh Alvianto, Jodhy Irsyad Alviskarahma, Keizha Ananda Arifin Zul Zihni Andi Trimulyono Ardi Nugroho Yulianto Ari Wibawa Budi Santosa Aulia Windyandari Azarine, Dinda Baharuddin Ali, Baharuddin Billy Reynaldo Bintang M.T Sinambela Budhi Santoso Bunga Profegama Cahyo, Yassin Dwi Dama Nisphal Azis Damayanti, Athalia Dame Kita Ginting Daniel Sahala Putra Panggabean Deddy Chrismianto Dewi, Intan Koamala Dhea Margaretha Didik Haryadi Santoso Dirga Nur Agnesa Eko Sasmito Hadi Elvira Dwi Gustiarini Erwandi Erwandi Erwin Darmawan Evi Handayani Evi Handayani, Evi Fachry Ramadhan Fachry Ramadhan Fahrizal Amir Faik Kurohman Farhana, Annisa Farrand, Joshua Fasya Nurayoga, Fasya Ficotara Wimar Firdaus S.P Gagah Prayogo Wibowo Ganang Adi Baskoro Gani, Erzi Agson Good Rindo Gunawan Gunawan Gustiarini, Elvira Dwi Hafiz, Muhammad Alimul Hanifah, Zaqi Afif Hanyfah, Dewinta Roebiyana Hartono Yudo Hasanudin Hasanudin Hatadina, Zidan Alriski Putra Heri Triyanto Hermawati, Dinda Widya Herry Santosa I Made Ariana Iim Tedy Fatwa, Iim Tedy Imam Pujo Mulyatno Indiaryanto, Mahendra Jamal Jamal Juanda K. Kiryanto Kiryanto Kiryanto Kiryanto, K. Kurrohman, Faik Kusuma, Cahya Lestari Damanik Lubis, Bobby Parel Antonio Maharani, Afifah Listiyandira Mahendra Guna Satriananta Mayank Faunni Naily Meri Nugraha Mohammad Fiqran Dzikhriansyah Setiawan Muchammad Rif’an Fahmi Mufliha, Azza Muhammad Fadel Alfaressy Samosir Muhammad Iqbal Muhammad Rahmat Darmawan Muhammad Rayandra Lubis Muhammad Rynaldi Muhammad, Bakhtiar Mulyono, Andi Tri Muryadin, Muryadin Nikken Prima Puspita Noer Abyor Handayani Nugraha, Sandy Nuralesa, Suffi Nurazim, Muhammad Nurfi Afriansyah Nurhasmadiar Nandini Nurul Fadhilah Parlindungan Manik Parlindungan Manik Parlindungan Manik Pasaribu, Sheely Leony Artha Permana, M Saptahadi Praditya Utomo Prasetyo Nugroho Raden Mas Radhityo Naramurti Rahma, Suhaila Faiza Rakha, Andrea Putra Rausyan Fikri Reingga Surya Bentara Rismawan Rismawan Risnawan, Novan Ryan Melpin Silaen S, Sutiyo Safitri, Laela Sahlan Sahlan Samuel Rikardo Nainggolan Samuel Samuel Samuel Samuel Sandjaja, Irfan Eko Sarjito Jokosisworo Sarjito Jokosiworo Sartika Silalahi, Jennifer Evelyn Setto Pramudyo Kusumo Setyanto, Taufiq Arif Shabah, Shava Shavia Sigit Edhi Kurniawan Silitonga, Beatrik Mayisa Abelia Suardi Suardi Syafrillia, Dewi Syahab, Husein Syaiful Arifin Tanellia Soraya N Tito Adi Nugroho Untung Budiarto Veriyanto Veriyanto Wahyu Ramadhani, Wahyu Wendi Riyandi Weslee, Chalvin Wibowo H.N, Wibowo Wilma Amiruddin Winarko, Raybonda Reinaldi wulandari, amalia ika Yahdun, Finodya Yokhebert Natasya Siahaan Yolanda Adhi Pratama, Yolanda Adhi Yusup Sobirin