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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Speed - Indonesian Journal on Computer Science Speed - Sentra Penelitian Engineering dan Edukasi Jurnal IPTEK Lentera Pustaka JURNAL PUSTAKA BUDAYA INOVTEK POLBENG Pustabiblia: Journal of Library and Information Science Info Bibliotheca: Jurnal perpustakaan dan ilmu Informasi Journal of Islamic Law Journal of Marine-Earth Science and Technology Journal of Comprehensive Science Makara Journal of Technology Tadwin: Jurnal Ilmu Perpustakaan dan Informasi Pustabiblia: Journal of Library and Information Science TANJAK : Jurnal Pengabdian Kepada Masyarakat INOVTEK Polbeng - Seri Informatika
Budhi Santoso
Fakultas Geografi Universitas Gajah Mada
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Journal of Marine-Earth Science and Technology

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SENSITIVITY ANALYSIS OF HYDROSTATIC PARAMETERS WITH RESPECT TO DISPLACEMENT CHANGES ON THE MINI BORNEO BARGE Romadhoni, Romadhoni; Santoso, Budhi; Utama, IKAP
Journal of Marine-Earth Science and Technology Vol. 6 No. 1 (2025): April
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

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Abstract

This study presents a systematic sensitivity analysis of key hydrostatic parameters, keel to buoyancy distance (KB), metacentric radius (BM), and metacentric height (GM), with respect to incremental changes in displacement for the Mini Borneo barge. Utilizing only the vessel’s official stability booklet data, natural cubic splines were fitted to the discrete hydrostatic tables to reconstruct continuous functions for each parameter over the displacement range of 256.6 t to 1641.0 t. First derivative functions were then derived analytically and cross-validated via centered finite difference, enabling high-resolution evaluation of ∂KB/∂Δ, ∂BM/∂Δ, and ∂GM/∂Δ at 0.01 t increments. Results indicate that KB sensitivity peaks at a moderate load of approximately 436.6 t (0.00045 m/t), whereas BM and GM sensitivities reach their maxima at full-load conditions near 1641.0 t (0.00086 m/t and 0.00092 m/t, respectively). Critical displacement intervals were identified around these peaks, highlighting narrow bands where small weight additions most profoundly affect stability. These findings inform the definition of safe-loading envelopes and ballast-management strategies, providing practical thresholds to maintain regulatory stability margins without the need for additional sea trials. The methodology is readily generalizable to other small craft equipped with hydrostatic booklets..
Co-Authors Aisya, Mutiara Aprizawati, Aprizawati Ari Kristanti, Melisa Berliana Kusuma Riasti Efrianti, Okta Ekarini, Farina Fazrian, Fazrian Hafiz, Muhammad Alimul Harahap, Wahfiuddin Rahmad IKAP Utama Ikhwan Arif, Ikhwan Jamal Jamal Juanda Juanda Jupri Jupri Labibah, Labibah Makhfud Syawaludin Muhammad Helmi Muhammad Ridwan Mun'im, Zainul mutiara mutiara Nurhasanah Nurhasanah Nurul Hak Pardi Pardi, Pardi Prasetyo, Nauval Abdurrahman Putra, Rona Rahmad Harahap, Wahfiuddin Ramadian Agus Triyono Ratnawati, Fajar Romadhoni Romadhoni, Romadhoni Saputra, Roman Sarwoko Sarwoko satria, Bobi Siswandi B Viegri, Muhammad Yuliani Yuliani Zulfaidah Ariany