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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Akuntansi AKUNESA IPTEK The Journal for Technology and Science Jurnal Ilmiah Mahasiswa FEB Jurnal Pengabdian Masyarakat AbdiMas Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat JRA: Jurnal Riset Akuntansi Jurnal Optimalisasi Jurnal Konversi Energi dan Manufaktur Jurnal Pengabdian Masyarakat Indonesia Jurnal Transportasi Multimoda Makara Journal of Technology Jurnal Manajemen dan Pemasaran Jasa Jurnal Metris
Taufiqur Rachman
Fakultas Teknik, Universitas Esa Unggul
Aerospace Engineering Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation

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Journal : Makara Journal of Technology

 1 
Effects of Collision Damage on the Ultimate Strength of FPSO Vessels Alie, Muhammad Zubair Muis; Ramasari, Dian; Rachman, Taufiqur; Adiputra, Ristiyanto
Makara Journal of Technology Vol. 24, No. 1
Publisher : UI Scholars Hub

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Abstract

Floating production storage offloading (FPSO) vessels are movable offshore structures. These structures are designed with large dimensions, and their decks are loaded with several types of equipment. During collision damage, the hull and deck parts loaded with equipment are severely affected. Therefore, the ultimate strength of FPSO vessels should be thoroughly checked and evaluated. The objective of the present study is to analyze the ultimate strength of FPSO vessels against collision damage characterized by hogging and sagging under longitudinal bending. The cross section of an FPSO vessel is modeled with elements composed of stiffened and unstiffened plates. The vessel length is assumed to occupy one frame space. The ultimate strength of FPSO vessels against collision damage is determined by performing a numerical analysis under hogging and sagging conditions. Multipoint constraint is applied to both sides of the cross section, and the material properties are set to be constant. Collision damage is represented by the loss of element stiffness, and it represents the percentage of the ship’s depth. For the extent of transversal damage, B/16 is set to be constant. The minimum and maximum collision damages are taken as 10% and 60% of the ship’s depth, respectively. Numerical results show that the ultimate strength of FPSO vessels and their bending stiffness decrease under collision.
Co-Authors Achmad Yasir Baeda Adiputra, Ristiyanto Arief Suwandi Ashury - Chairul Paotonan Cristofer Ewaldo Darmiolla Natasia Watunglawar Eko Yusroni Emanuela Tasya Andini Faizin, Agus Feby Z Octafani Firman Husain Fitriana Rezki Habibi Palippui Haryo Dwito Armono Hasdinar Umar Iphov Kumala Sriwana Iphov Kumala Sriwana Istianto B Rahardja Jesica Jepni D. A Juswan - Juswan Sade Kriyo Sambodho M. Derajat Amperajaya M. Derajat Amperajaya Muhajirin Muhajirin Muhammad Zubair M Alie Muhammad Zubair Muis Alie Musfirah Cahya Fajrah Nabila Noor Izmi Nofi Erni Nofi Erni Nofi Erni Nofi Erni Ramasari, Dian RILLA GANTINO Rina Anindita Roesfiansjah Rasjidin Septian Rahmat Adnan Septian Rahmat Adnan Septian Rahmat Adnan Shirly Wunas Soeratno, Soeratno Sriwana, Nur Mutia Ujang Juwardi WPT, Ari Anggrani