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All Journal OISAA Journal of Indonesia Emas Riset Sains dan Teknologi Kelautan
Fuad Mahfud Assidiq
Hasanuddin University
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences

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FATIGUE ANALYSIS OF CATENARY MOORING SYSTEM DUE TO HARSH ENVIRONMENT IN FOLLOWING SEAS Fuad Mahfud Assidiq
Jurnal PPI Dunia Vol 1 No 1 (2018)
Publisher : OISAA

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In the operation, Floating Production Unit (FPU) will get dynamic loads on the structure periodicallysuch as the mooring line responses. The aim of the present study to discuss fatigue life on catenarymooring system refers to the comparison of using or without using the Single Line Freestanding Riser(SLFR), the operational design and installation conditions at FPU Gendalo-Gehem and located in theMakassar Strait using the six-strand wire rope with 0,115 meters outer diameter and 1.200 meters lengthwill be fatigue life analysed. The FPU motion observation shows the highest Response AmplitudeOperator (RAO) surge, sway, heave, roll, pitch, and yaw motion due to harsh environments are 0,615m/m, 1,01x10-6 m/m, 1,048 m/m, 1,14x10-5 0/m, 2,23 0/m, and 9,08x10-8 0/m. It means that theamplitude response will always be smaller than the wave amplitude coming up. Taking into RAOmotion calculation, the fatigue life on catenary mooring systems for following seas are 445 years inmooring line 1 and mooring line 8 with using SLFR while without using SLFR for 5.461 years inmooring line 1. The structure is still in safe condition because of the design safety factor about 300years.
PLTN Terapung DESAIN KONSEPTUAL PLTN TERAPUNG DI INDONESIA TIMUR: RESPON GERAK TERHADAP BEBAN LINGKUNGAN: Respon Gerak PLTN Terapung di Perairan Pulau Halmahera Muh. Asyhari Ramadhan; Muh. Hadid Kaharuddin; A. Muh. Ikram; Fuad Mahfud Assidiq
Riset Sains dan Teknologi Kelautan Volume 9, Number 1, Tahun 2026
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

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Abstract Eastern Indonesia is characterized by an archipelagic geography with uneven energy distribution, thus requiring alternative energy sources that are reliable, sustainable, and capable of reaching remote areas. One potential solution is the deployment of Floating Nuclear Power Plants (FNPP) in offshore waters around the archipelago. Nuclear energy, with its very low carbon emissions and high electricity generation capacity, is considered a promising option. This study focuses on the conceptual design of a floating nuclear power plant and the motion response of the installation under environmental loads such as ocean waves, wind, and tsunami potential, which are typical in Eastern Indonesia. Oceanographic parameters such as water depth, distance from the island to the FNPP, current velocity, and proximity to the shoreline were analyzed, with Halmahera Island identified as a potential site due to its stable marine conditions, approximately 100 meters in depth, and a distance of less than 30 km from the coast. The site also benefits from proximity to settlements while considering safety, logistics, and potential support for blue economy development. A literature study and simulation using ANSYS software on an Offshore Floating Nuclear Power Plant (OFNP) SPAR-type model demonstrate that an effective mooring system and optimal design are required to maintain long-term stability and operational performance of the FNPP, as well as to ensure reliable electricity distribution to Halmahera Island. In line with SDG 7 (Affordable and Clean Energy) and SDG 9 (Industry, Innovation, and Infrastructure), this design is expected to serve as a strategic recommendation for the development of floating nuclear power plants in Eastern Indonesia. Keywords: Blue economy, Eastern Indonesia, Offshore Floating Nuclear Power Plants (OFNP), Motion response, Platform stability, ANSYS simulation.
Co-Authors A. Muh. Ikram Muh. Asyhari Ramadhan Muh. Hadid Kaharuddin