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All Journal Jurnal Teknik ITS IPTEK Journal of Proceedings Series IJOCE (International Journal of Offshore and Coastal Engineering) International Journal of Marine Engineering Innovation and Research
Ardi Nugroho Yulianto
Departemen Teknik Perkapalan Institut Teknologi Sepuluh Nopember
Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Desain Self-Propelled Barge Sebagai Fasilitas Pengangkut Block untuk Galangan Kapal dari Batam ke Singapura Rakadrian Nugraha Buana; Hesty Anita Kurniawati; Ardi Nugroho Yulianto
Jurnal Teknik ITS Vol 7, No 2 (2018)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.136 KB) | DOI: 10.12962/j23373539.v7i2.33223

Abstract

Salah satu jasa yang disediakan oleh galangan-galangan kapal di Batam dan Singapura adalah layanan pembuatan blok-blok kapal ataupun bangunan offshore  dimana blok tersebut akan difabrikasi di sebuah galangan lalu diantar ke galangan lainnya untuk kemudian dilakukan joint erection. Dalam tugas akhir ini akan dibahas sebuah moda transportasi berbentuk self-propelled barge yang berfungsi untuk mengangkut blok-blok tersebut dengan tujuan meringankan biaya produksi yang disebabkan oleh penyewaan tongkang beserta tugboat.  Analisis teknis yang dibahas yaitu penentuan ukuran utama kapal, koefisien bentuk, hambatan dan propulsi kapal, freeboard, stabilitas kapal, trim, serta prosedur loading dan off-loading. Serta perhitungan ekonomis yang dibahas yaitu perhitungan biaya pembangunan kapal, penentuan harga sewa kapal, break even point, serta perbandingan harga dengan moda transportasi yang sudah ada. Ukuran utama kapal yang didesain yaitu panjang per pendicular (LPP): 89,2 meter, lebar (B): 21,1 meter, sarat (T): 2 meter, dan tinggi (H): 4,3 meter, dengan kecepatan : 10 knots. Kapal ini memiliki kapasitas untuk mengangkut tiga blok bangunan kapal ataupun bangunan offshore  yang memiliki ukuran maksimal luasan tiap blok 20 x 18 meter dan berat maksimal 270 ton. Harga penyewaan self-propelled barge ini adalah Rp.6.700.000.000.
Desain Kapal Pesiar Dengan Hydraulic Platform Untuk Pariwisata Di Pantai Nongsa, Batam Karina Dayusari; Hesty Anita Kurniawati; Ardi Nugroho
Jurnal Teknik ITS Vol 7, No 2 (2018)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (243.456 KB) | DOI: 10.12962/j23373539.v7i2.34809

Abstract

Kota Batam secara geografis mempunyai letak yang sangat strategis, yaitu di jalur pelayaran dunia internasional.Pantai Nongsa memiliki potensi yang sangat besar aktual untuk memberi kontribusi terhadap kemajuan ekonomi Kota Batam maupun daerah sekitarnya. Pantai Nongsa dan Kampung Tua berada di kawasan Nongsa, Pulau Batam. Nongsa adalah daerah di sebelah utara Batam. Untuk lebih menarik minat pengunjung maka diperlukan inovasi yang belum ada di Nongsa, yaitu Kirei Cruise. Adalah kapal wisata yang menawarkan fasilitas berupa platform hidrolik yang dijadikan tambahan sebagai tempat untuk bersantai menikmati pemandangan laut dari jarak yang lebih dekat. Ukuran utama yang didapat berdasarkan kapal yang nantinya membawa penumpang ke Kirei Cruise ini dari serangkaian proses desain yang sudah dilakukan, maka didapatkan LOA = 58 m, B = 12 m, H = 9 m, T = 4,5 m dengan jumlah penumpang sebanyak 24 orang dan 25 crew. Setelah di dapatkan ukuran utama ini, dilanjutkan dengan pembuatan Lines Plan, General Arrangement dan desain 3D.
Viscous-Resistance Calculation and Verification of Remotely Operated Inspection Submarine Ardi Nugroho Yulianto; I Ketut Suastika; Aries Sulisetyono
IPTEK Journal of Proceedings Series Vol 1, No 1 (2014): International Seminar on Applied Technology, Science, and Arts (APTECS) 2013
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2014i1.337

Abstract

The purpose of the present study is to calculate and verify the viscous resistance of a remotely operated inspection submarine which is used for the purpose of underwater inspections.The focus of the study is to investigate the effect of a vertical fin on the total value of the viscous resistance. In the design of a submarine, determination of the viscous resistance plays an important role. The smaller the viscous resistance,  the smaller is the engine power to be required, which results in a more economic vehicle during the operation. Viscous resistance calculationswere done by computational fluid dynamics (CFD) and verifications by wind tunnel experiments. Three models of submarines were simulated and tested. Results of data analysis show that the effect of an installation of a vertical fin on the total viscous resistance is not detectable in the current experimental setting. Furthermore, comparisons between simulation and experimental results show that the root mean square errors (RMSE) are, respectively, 2.48 x 10-3, 3.18 x 10-3 and 2.88 x 10-3 for model I, II and III.
Preliminary Study of an Integrated Calculation of Ship Strength on Tankers with Applicable Regulations Ardi Nugroho Yulianto; Erzad Iskandar Putra; Yuda Apri Hermawan; Teguh Putranto; Gita Marina Ahadyanti; Septia Hardy Sujiatanti; Danu Utama; Nurhadi Siswantoro; Irfan Zidni; Herry Sufyan Hadi
International Journal of Offshore and Coastal Engineering (IJOCE) Vol 7, No 1 (2023)
Publisher : Pusat Publikasi Ilmiah Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v7i1.15529

Abstract

Recently, the development of the digital era has increased significantly. Industry 4.0 began to be discussed and applied in the early 21st century. Cyber-Physical systems are becoming a trend in current technological developments. Several technologies in Industry 4.0 are being applied, such as the internet of things, cloud computing, automated simulation, intelligent robots, big data analysis, augmented reality, and additive manufacturing. The shipyard industry is one industry that must be able to adapt to keep up with technological developments. In the ship's preliminary design stage, the strength calculation process that refers to certain regulations has an important role in the design process. The integrated calculation system will make working easier for a naval architect. This paper aims to conduct an initial study in calculating ship strength integrated in real-time with the regulations that govern it. This study produces an idea to integrate the calculation of ship strength with regulations from a class society that continues to grow. The research is expected to provide further development to assist in the preliminary design process that provides efficiency and more accurate monitoring of results.
Equivalent Single Layer Approach for Buckling Analysis of Stiffened Panel Under Bi-Axial Compression and Lateral Pressure Teguh Putranto; Ardi Nugroho Yulianto; Dedi Budi Purwanto; Dony Setyawan
International Journal of Marine Engineering Innovation and Research Vol 8, No 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i3.18595

Abstract

Ship structure composed of stiffened plates is subjected to a variety of loading conditions during service, which can lead to buckling. As a result of panel buckling, the overall strength of the ship hull girder is reduced, which is what determines the ultimate strength of the hull girder. The ultimate strength analysis can be accomplished with finite element (FE) simulation, but detailed modeling can be time-consuming. Due to these reasons, it is more advantageous and costeffective to replace the three-dimensional (3D) stiffened panel model with a two-dimensional (2D) equivalent single layer (ESL) plate. This shift from 3D to 2D is premised on the accuracy of ESL in representing the various buckling modes of stiffened panels, which are determined by panel topology and boundary conditions. Therefore, an equivalent single layer plate (ESL) that represents a stiffened panel is evaluated in different buckling modes. Considering that ESL is asymmetric in nature, any modification of the stiffened panel's geometry has a significant effect on the buckling modes. In this paper, we are concerned with two modes of buckling: (i) local buckling within the stiffeners of the plate and web, and (ii) local lateraltorsional buckling within the stiffeners. According to the results, ESL is capable of accurately predicting the effect of local buckling in combination of biaxial compression and lateral pressure.
Survival Stability of RoPax Reviewed In Terms of The Water on Deck (WoD) Hasanudin Hasanudin; Ardi Nugroho Yulianto; Achmad Zubaydi; Wasis Dwi Aryawan
International Journal of Marine Engineering Innovation and Research Vol 8, No 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i3.18921

Abstract

RoPax vessels are widely used worldwide but contribute to numerous fatalities. Accidents result from human factors, vessel damage, management, and natural causes. Vessel stability is a significant concern, with WoD leading to increased load and rising KG, potentially causing capsizing. This study examines a RoPax OCD UFP that experienced a WoD-related accident in Indonesian waters. Modifications considered are standard freeing ports, becoming RoPax OCD SFP, and applying side casings, or RoPax OCD WS assessed the Stockholm Agreement. Fluid simulation and stability failure criteria were employed at varying wave heights. The largest RAO on the variation of heading angle is changed into stability criteria, resulting in realistic outcomes that have not been seen in earlier research. The highest RAO roll occurs at a heading encounter angle of 60 degrees with a value of 2.192362 degrees/m. Results show survival for RoPax UFP, RoPax SFP, and RoPax WS in the 0-1 m wave height range, with only RoPax UFP capsizing at 2-3 m. RoPax WS has an extended stability arm but decreases stability at high wave heights. RoPax SFP is unaffected by WoD but may still face capsizing depending on the pure stability arm GZ factor. Modifying RoPax UFP to RoPax SFP or RoPax WS can improve survival intact stability.
Co-Authors Achmad Zubaydi Ahadyanti, Gita Marina Aries Sulisetyono Aryawan, Wasis Dwi Dedi Budi Purwanto Erzad Iskandar Putra Hadi, Herry Sufyan Hasanudin Hasanudin Hesty Anita Kurniawati I Ketut Suastika Irfan Zidni Karina Dayusari Nurhadi Siswanto Rakadrian Nugraha Buana Septia Hardy Sujiatanti Setyawan, Dony Teguh Putranto Utama, Danu Yuda Apri Hermawan