Analisis Kelelahan Struktur Jacket Penopang Turbin Angin dengan Metode Coupled Berbasis Dinamika Aero-Hydro-Servo Elastic dan Elemen Hingga

Nagib, Akmal (2025) Analisis Kelelahan Struktur Jacket Penopang Turbin Angin dengan Metode Coupled Berbasis Dinamika Aero-Hydro-Servo Elastic dan Elemen Hingga. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Upaya penurunan produksi Green House Emission GHG dilakukan dengan pengembagan sumber daya terbarukan dan berkelanjutan. Indonesia telah mencapai penurunan hingga 25.93% pada tahun 2020. Dalam industri perminyakan dan energi terbarukan, penggunaan struktur penopang jacket mencapai 95% secara global. Penggunaan struktur tersebut juga digunakan sebagai penopang Ocean Wind Turbine, yang terdiri struktur, turbin, hingga RNA (Rotor and Nacelle Assembly) sehingga diperlukan analisis dengan menggunakan sistem coupled. Dengan kompleksnya sistem kerja tersebut, siklus beban yang terjadi akan menjadi lebih besar daripada struktur anjungan konvensional. Maka, prediksi umur kelelahan struktur jacket penopang turbin angin diperlukan. Penelitian ini akan melakukan simulasi turbin angin dengan penopang struktur jacket pada kondisi start-up, power production, dan parked dengan keluaran analisis yaitu respon struktural, pada nilai unity check, base shear, dan overtuning moment. Selain itu, umur kelelahan dari coupled analysis juga menjadi keluaran dari penelitian ini, dengan umur kelelahan paling rendah dari salah satu joint kritis adalah 53 tahun yang dikalkulasi menggunakan metode rainflow counting.
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Efforts to reduce Green House Emission GHG production are carried out by developing renewable and sustainable resources. Indonesia has achieved a reduction of 25.93% by 2020. In the petroleum and renewable energy industries, the use of jacket support structures reaches 95% globally. The use of these structures is also used as a support for the Ocean Wind Turbine, which consists of structures, turbines, and RNA (Rotor and Nacelle Assembly) so that analysis using coupled systems is needed. With the complexity of the turbine system, the load cycles that occur will be greater than conventional platform structures. Therefore, prediction of the fatigue life of the jacket structure supporting the wind turbine is required. This research will conduct a wind turbine simulation with jacket structure support at start-up, power production, and parked conditions with the outputs being structural response, namely unity check, base shear, and overtuning moment values. In addition, the fatigue life from coupled analysis is also the output of this study, with the lowest fatigue life of one of the critical joints being 53 years from the calculation based on a rainflow counting method.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Jacket, Coupled, Kelelahan, Domain Waktu, Jacket, Coupled, Fatigue, Time Domain
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA460 Metals--Fatigue. T Technology > TA Engineering (General). Civil engineering (General) > TA645 Structural analysis (Engineering) T Technology > TC Hydraulic engineering. Ocean engineering > TC1680 Offshore structures T Technology > TJ Mechanical engineering and machinery > TJ828 Wind turbines
Divisions:	Faculty of Marine Technology (MARTECH) > Ocean Engineering > 38201-(S1) Undergraduate Thesis
Depositing User:	Akmal Nagib
Date Deposited:	21 Jul 2025 08:40
Last Modified:	21 Jul 2025 08:40
URI:	http://repository.its.ac.id/id/eprint/120056

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