Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : EPI International Journal of Engineering

Investigating the Local Stress of Car Deck Ro-Ro 5000 GT Alamsyah alamsyah; Ahmed Reza Falevi; Amalia Ika Wulandari; Muhammad Uswah Pawara; Wira Setiawan; Andi Mursyid Nugraha Arifuddin
EPI International Journal of Engineering Vol 4 No 1 (2021): Volume 4 Number 1, February 2021
Publisher : Center of Techonolgy (COT), Engineering Faculty, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/epi-ije.022021.08

Abstract

A deck construction must be strong enough that it will not suffer structural damage if it works under a given load. In this case the strain stress becomes very important from the strength of the deck, as for one that affects the strength of the deck construction, one of which is the stiffener distance. This study aims to analyze the maximum strain stress on the deck of the Ferry Ro - ro. The method used is Finite Element Method (FEM) by varying the stiffener distance in the deck construction. The research results obtained, namely the variation of the stiffener distance of 600 mm. 285.5 N/mm2 and the maximum strain released is 1.76 x 10-3 mm, at a variation of 700 mm stiffener distance the maximum stress released is 378,075 N/mm2 and the maximum strain released is 1.77 x 10-3 mm, at a stiffener distance variation 800 mm the maximum stress released is 383,737 N/mm2 and the maximum strain released is 1.78 x -3 mm, at 900 mm stiffener distance variations the maximum stress is 389,188 N/mm2 and the maximum strain released is 1.79 x 10-3 mm, at variations in distance stiffener 1000 mm the maximum stress released is 425,388 N/mm2 and the maximum strain released is 1.8 x 10 -3 mm, The value of strain increasingly increases followed by the farther distance of the stiffener equal 0.6%, and the stress value is at a variation increasingly increases followed by the farther distance of the stiffener equal 12.24%.
Preliminary Design and Energy Production of a Mobile Floating Structure (MFS) for Offshore Wind Turbines in Indonesian Waters Pawara, Muhammad Uswah; Sitorus, Chris Jeremy Verian; Hariyono, Hariyono; Arifuddin, Andi Mursid Nugraha; Alamsyah, Alamsyah; Hidayat, Taufik; Suardi, Suardi; Syadzali, Abdul Mujib; Mahmuddin, Faisal
EPI International Journal of Engineering Vol 8 No 1 (2025): Volume 8 Number 1, Februari 2025
Publisher : Center of Techonolgy (COT), Engineering Faculty, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The Mobile Floating Structure (MFS) is an innovative floating wind turbine concept that utilizes a catamaran hull design to enhance mobility and operational efficiency. Unlike stationary platforms, the MFS can relocate to areas with higher wind energy density, making it a promising solution for optimizing wind energy harvesting in offshore environments. This study focuses on the preliminary design and energy production of the MFS. Maxsurf is used to analyze hydrostatics and assess the hydrodynamic performance of the MFS hull after the dimension of the MFS is determine with key considerations including rotor diameter and the weight of the wind turbine. Furthermore, four wind turbines are installed in the MFS. Those aspect were integrated into the design process to ensure realistic operational adaptability. As result. the resulting dimensions of the MFS were determined utilizing Maxsurf. Moreover, different with the previous study that use satellite data, the present study employs reanalysis data to estimate the energy density and power production of MFS. the energy density map is also produced in the present study to determine the monthly location of the MFS. The energy production of the MFS with four turbines has been calculated, and the energy production map is also drawn. Finally, the energy production of the MFS in the chosen location has also been estimated. The energy production map can be utilized to develop MFS in other location.
Co-Authors A, Alamsyah A. B. Mapangandro A. B. Mapangandro Abdul Basiq Zainal Abidin Abdurrahman, Luthfi Abdurrahman, Luthfi Abdurrahman Abidin, Abdul Basiq Zainal Abiyyu Harly Saputra Ade Ray Siahaan Adhy Rahmat Agus Budianto Ahmad Razzan Ahmed Reza Falevi Akhir, Anshar Yaumil Alam, Alamsyah Alamsyah Alamsyah Alamsyah - Alamsyah Alam Alamsyah Alam Alamsyah Alamsyah Alamsyah Alamsyah Alamsyah Alamsyah Alamsyah alamsyah Alamsyah, Alamsyah Alfawan Alfawan Alwi, Muhammad Rusdy Amalia Ika W Amalia Ika W Amalia Ika Wulandari Amalia Ika Wulandari Amalia Ika Wulandari Amalia Ika Wulandari Amalia Ika Wulandari Andi Mursid Nugraha Arifuddin Andi Mursid Nugraha Arifuddin Andi Mursyid Nugraha Arifuddin Andi Mursyid Nugraha Arifuddin Anugerah, Andi Nurwahid Ardianti, Andi Ardianti Arifuddin, Andi Mursid Nugraha Arifuddin, Mursid Nugraha Astin, Widya Yulia As’ad, Miftachus Surur Aung Ye Kyaw Bancin, Sutomo Baratau, Irentya Anugra Budi Prayitno Cahyani, Alviana Eka Dianiswara, Anggoronadhi Dwiyanti, Diva Syahirah Elfin Zulmi Azhar Fachrul Jaya, Muhammad Reza Faisal Mahmuddin Faisal Mahmuddin Faisal Mahmuddin Feston Sandi Paribang Fiesta Olivia Fitri, Ade Gom Gom Mulia Yehezkiel Tambunan Hapsari, Dessy Purwita Harifuddin Harifuddin Hariyono Hariyono Hariyono, Hariyono Hijriah Hijriah Hijriah, Hijriah Hijriah, Hijriah Ikhwani, Rodlian Jamal Indah Sari, Fitria Irawan, Reynadi Firzy Irfan Fadillah Jumalia, Jumalia Jumardi, Jumardi Klara, Syerly Kumandang, Niti Gede Kustiwansa, Harlian Kusuma, I Putu Arya Lolo, Musa Lumbantoruan, Hendra Eliakim Lumenteri, Fido Fortunatus Mahmuddin, Faisal Manik, Aljoiden Maulana, Mohammad Khafid Moch Purwanto mubarak, azhar aras Muhammad Riyadi Muhammad Rusdy Alwi Muhammad Syarif Muhammad Yusuf Al-Hafidz Muhammad Zulkifli Muhdar Tasrief Musyarofah Musyarofah, Musyarofah Naufal, Daffa Ahmad Ningrat, Andi Nizam, Syahrul Nugraha Arifuddin, Andi Mursid Nugraha, Andi Mursid Nugroho Septianda Oktavaro Pangestu, Aldo Paribang, Feston Sandi Pengestu, Pria Adi Pratama, Brian Yoga Prayoga, Dimas Rachmianty, Andi Raditya, Muhammad Yogi Rajagukguk, Pernando Anju Ramadana, Andi Najwa Ramadhani, Rizky Rara Gusnia Nurulhaini Rifai, Muhammad Rizky Risaldo Rodlian Jamal Ikhwani Rodlian Jamal Ikhwani S, Suardi S.Pd. M Kes I Ketut Sudiana . Samsu Dlukha N Setiawan, Wira Sherina Fitri Hariani Sherly Clara Sholihah, Ni’matus Siagian, Firman Veryvicasi Vernando Simatupang, Gusrawati, Sander V S Sitorus, Chris Jeremy Verian Suandar Baso Suardi Suardi Suardi, Suardi Suardi, Suardi Sultan Mahmud Cakasana Syadzali, Abdul Mujib Syahab, Husein Syerly Klara Syerly Klara Tasrief, Muhdar Tasrief, Muhdar Taufik Hidayat Taufik Hidayat Tobing, Andreyano Yosefan Lumban Widya Yulia Astin Wijaya, Vibra Wira Setiawan Wira Setiawan Wira Setiawan Wira Setiawan wulandari, amalia ika Wulandari, Amalia Ika Yosefan, Andreyano