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All Journal Rekayasa Mesin Journal of Mechanical Engineering Science and Technology
Hutagalung, Christian Imanuel
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Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Finite Element Analysis of the Construction Strength of Semi-Submarine Glass-Bottom Catamaran Puteri, Berliana Ayarent; Putrananda, Musdika Bagas Satria; Hutagalung, Christian Imanuel; Bahatmaka, Aldias; Aryadi, Widya
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025p243

Abstract

Indonesia's extraordinary marine tourism potential requires innovation in how to enjoy it. This study discusses the innovative design of a semi-submarine glass-bottom ship for the development of marine tourism in Indonesia, which allows tourists to enjoy the beauty of the underwater world safely and comfortably. This catamaran is designed with two hulls that provide high stability and optimal deck area for tourism needs. The study focuses on analyzing the ship's frame structure using the finite element analysis method, especially on using sandwich panels that combine wood and carbon fiber materials to achieve the optimal combination of structural strength, weight, and cost efficiency. Finite element analysis shows that sandwich panels with 100% carbon fiber composition provide the best mechanical performance with a maximum stress of 615.41 MPa. The analysis shows that adding carbon fiber plays a significant role in reinforcement and is a more effective stress distributor than homogeneous materials. Although the 100% carbon fiber formulation provides the highest safety factor, the study recommends a combination of 70% wood and 30% carbon fiber, or 60% wood and 40% carbon fiber for the construction of the ship's hull frame as a more optimal solution in terms of technical and economic aspects. This ship design innovation is expected to become a new tourist attraction that introduces the beauty of Indonesia's underwater world to domestic and foreign tourists while encouraging the development of a sustainable marine tourism industry.
STRUCTURAL ANALYSIS OF SEMI-SUBMARINE MONOHULL SHIP FOR TOURISM APPLICATIONS BY USING FINITE ELEMENT METHOD Hutagalung, Christian Imanuel; Bahatmaka, Aldias; Aryadi, Widya; Putrananda , Musdika Bagas Satria; Puteri, Berliana Ayarent
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.2020

Abstract

The research assesses the structural integrity of a semi-submersible monohull glass-bottom vessel designed for tourism, featuring a hull length of 9 meters. Finite Element Analysis (FEA) was employed to simulate five loading scenarios: full load, 75% capacity, 50% capacity, 25% capacity, and no load. The ship's structural basis was designated as the boundary condition. The peak equivalent stress under full load was 297.58 MPa, with validated values at 293.93 MPa. Additional scenarios demonstrated comparable concordance between FEA simulations and validations, with stress values spanning from 296.85 to 297.4 MPa and validation results ranging from 293.4 to 293.79 MPa. All calculated safety factors surpassed 2.25, guaranteeing adherence to SOLAS Chapter II-1 rules. The results validate that the ship's hull design complies with structural integrity norms under operational loads, instilling confidence in its performance for tourism purposes.
Co-Authors Aldias Bahatmaka Puteri, Berliana Ayarent Putrananda , Musdika Bagas Satria Putrananda, Musdika Bagas Satria Widya Aryadi