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All Journal JURNAL RISET TEKNOLOGI KELAUTAN Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat
Rosmani .
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Engineering Public Health

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STUDI PENGARUH PERUBAHAN SARAT TERHADAP OLAH GERAK KAPAL DI ATAS GELOMBANG ., Rosmani; Bochary, Lukman
Jurnal Riset Teknologi Kelautan Vol 14, No 1 (2016): Jurnal Riset Teknologi Kelautan (JRTK)
Publisher : Jurnal Riset Teknologi Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (895.332 KB)

Abstract

Pada performa kapal, interaksi antara kapal dengan gelombang sangat dipengaruhi oleh bentuk kapal dan kondisi perairan, sehingga kapal yang dirancang perlu untuk dikaji dan diteliti performanya khususnya mengenai Seakeep. ing., khususnya kapal perintis 750 DWT sebagai objek penelitian Pada proses disain kapal, aspek ship respon di gelombang sangat penting untuk diprediksi. Tujuan penelitian ini adalah menentukan karakter performa kapal di atas gelombang berdasarkan gerak heaving dan pitching. Metode yang digunakan dalam analisis adalah simulasi numerik dengan bantuan software Maxsurf, dimana hasil simulasi menunjukkan bahwa respon gerak kapal tiap perubahan sarat akan meningkat seiring dengan pertambahan panjang gelombang, dimana RAO heaving tertinggi berada pada sarat 3,5 meter dengan panjang gelombang 1.6L yaitu 1,626 untuk tinggi gelombang 1 meter dan 1,600 untuk tinggi gelombang 4 meter. RAO heaving mulai menurun pada panjang gelombang 1.7L sampai 2L. Sedangkan RAO pitching pada tinggi gelombang 1 m tendensi kurva RAO pitching tiap perubahan sarat menunjukkan pola yang hampir sama, dan RAO pitching tertinggi berada pada sarat 2,75 meter dipanjang gelombang 2L yaitu 1,137 pada tinggi gelombang 1 meter dan 4 meter. Nilai tertinggi Amplitudo Heaving pada sarat 3,5 m. yakni untuk tinggi gelombang 1 meter adalah 0.813 meter pada panjang gelombang 1.6L dan untuk tinggi gelombang 4 meter adalah 3,2 meter pada panjang gelombang 1.6L. Sedangkan untuk Amplitudo Pitching tertinggi pada sarat 2,75 m. dimana untuk tinggi gelombang 1 meter adalah 4.8380 pada panjang gelombang 1.5L dan untuk tinggi gelombang 4 meter adalah 19,8140 pada panjang gelombang 1.5L.
STUDI PENGARUH PERUBAHAN SARAT TERHADAP OLAH GERAK KAPAL DI ATAS GELOMBANG Rosmani .; Lukman Bochary
Jurnal Riset Teknologi Kelautan Vol. 14 No. 1 (2016): Jurnal Riset Teknologi Kelautan (JRTK)
Publisher : Jurnal Riset Teknologi Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (895.332 KB)

Abstract

Pada performa kapal, interaksi antara kapal dengan gelombang sangat dipengaruhi oleh bentuk kapal dan kondisi perairan, sehingga kapal yang dirancang perlu untuk dikaji dan diteliti performanya khususnya mengenai Seakeep. ing., khususnya kapal perintis 750 DWT sebagai objek penelitian Pada proses disain kapal, aspek ship respon di gelombang sangat penting untuk diprediksi. Tujuan penelitian ini adalah menentukan karakter performa kapal di atas gelombang berdasarkan gerak heaving dan pitching. Metode yang digunakan dalam analisis adalah simulasi numerik dengan bantuan software Maxsurf, dimana hasil simulasi menunjukkan bahwa respon gerak kapal tiap perubahan sarat akan meningkat seiring dengan pertambahan panjang gelombang, dimana RAO heaving tertinggi berada pada sarat 3,5 meter dengan panjang gelombang 1.6L yaitu 1,626 untuk tinggi gelombang 1 meter dan 1,600 untuk tinggi gelombang 4 meter. RAO heaving mulai menurun pada panjang gelombang 1.7L sampai 2L. Sedangkan RAO pitching pada tinggi gelombang 1 m tendensi kurva RAO pitching tiap perubahan sarat menunjukkan pola yang hampir sama, dan RAO pitching tertinggi berada pada sarat 2,75 meter dipanjang gelombang 2L yaitu 1,137 pada tinggi gelombang 1 meter dan 4 meter. Nilai tertinggi Amplitudo Heaving pada sarat 3,5 m. yakni untuk tinggi gelombang 1 meter adalah 0.813 meter pada panjang gelombang 1.6L dan untuk tinggi gelombang 4 meter adalah 3,2 meter pada panjang gelombang 1.6L. Sedangkan untuk Amplitudo Pitching tertinggi pada sarat 2,75 m. dimana untuk tinggi gelombang 1 meter adalah 4.8380 pada panjang gelombang 1.5L dan untuk tinggi gelombang 4 meter adalah 19,8140 pada panjang gelombang 1.5L.
Sosialisasi Pentingnya Integritas Struktur Kapal Kayu Dalam Penjaminan Keselamatan : Masyakarat Sasaran Kelompok Pengrajin Kapal Kayu di Takalar Hamzah Hamzah Hamzah; Ganding Sitepu '; Andi Ardianti .; Mansyur Hasbullah .; Rosmani .; M. Rizal Firmansyah .; Wahyuddin .; Muhammad Akbar Asis .
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 5 No 1 (2022): Kebersamaan dalam Membangun Masyarakat Tangguh dan Gesit
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v5i1.230

Abstract

The operational activities of wooden ships are classified as very high so that the production of wooden boats still survives today, one of the groups of craftsmen in Takalar Regency is the "TORANI" group which specializes in producing wooden ships of 10 GT to 30 GT. High wooden ship operation activity, must always be improved quality in ensuring the safety of the ship improve the quality of ships in ensuring ship safety, the problems currently faced by partners are ship structure damage due to understanding of connection techniques, selection of ship construction dimensions and the use of bolts and pegs are not yet weak because the construction method is still based on experience. Based on observations in the field, it can be seen that there are many weaknesses made by craftsmen or builders in the connection of structures and also the selection or determination of the dimensions of the structure for example the placement of supports and beams are not fully in accordance with the global load and local loads of the ship structure, another weakness is the selection of the type of connection and the determination of dimensions not in accordance with existing regulations. To be able to provide an understanding, craftsmen need to be given socialization with the target craftsmen being able to recognize the importance of construction strength in ensuring ship safety, being able to use techniques for connecting construction components that meet the criteria and standards, selecting dimensions that match the criteria and standards and the correct bolts and pegs in component connection. wooden boat construction. The results obtained that the level of understanding and skills of the wooden ship craftsmen who received this training was very good. This is evidenced by the ability of the craftsmen to be able to apply construction connection methods
Sosialisasi Penggunaan Airbag Untuk Peluncuran Kapal Kayu di Kelurahan Galesong Kota, Kecamatan Galesong, Kabupaten Takalar Sitepu, Ganding; Bochary, Lukman; Firmansyah, Mohammad Rizal; Djafar, Wihdat; ., Rosmani; Baso, Suandar; ., Indrawansyah; ., Editya
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 7 No 1 (2024): Community Development
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v7i1.450

Abstract

One of the centers for traditional wooden boat construction in South Sulawesi is Galesong District, Takalar Regency, South Sulawesi. Generally, wooden boats constructed by craftsmen in this area are for fishing. Craftsmen's skills in building the boat were acquired from their predecessors. However, the craftsmen still faced some problems during the boat construction work. One of the problems is related to launching the boat into the water, which is still conducted traditionally using logs and sandbags. The solution is to propose the use of airbags to launch ships. Airbags have been used to launch steel ships but relatively not for wooden boats. Hence, this activity aims to introduce the use of airbags to launch the boat. The target for the introduction is a group of wooden boat craftsmen, "Patorani," in Galesong District, Takalar Regency. Before and after the activity, achievements are evaluated by identifying the perceptions and views of craftsmen regarding the airbags. The activity is conducted through socialization and explanations of airbags with visualization. The result shows that almost 90% of the craftsmen had never heard of airbags before and were unsure that airbags could be used to launch the boat. However, after the activity, most craftsmen can be convinced that airbags can solve their boat launching problems. Only one participant out of 15 still had doubts about the use of airbags for boat launching. The rest of the participants were even ready to use the airbags to launch their boats.
Pelatihan Pengukuran Dan Perhitungan Tonase Kapal Berdasarkan Peraturan Menteri Perhubungan No. PM 45 Tahun 2021 Pada Perajin Kapal Kayu Tradisional Di Kecamatan Galesong Kabupaten Takalar Mustafa, Wahyuddin; Asri, Syamsul; Fachruddin L, Farianto; Firmansyah, Moh. Rizal; ., Misliah; ., Rosmani; ., Hamzah; Clausthaldi, Fadhil Rizki; Djafar, Wihdat; A.N, Wishal Wijdan
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 7 No 1 (2024): Community Development
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v7i1.452

Abstract

The basic idea of ​​tonnage measurement is to determine the capacity and withdrawal of levies of a ship, which then develops into proof of ship ownership and the ship's nationality. In 1969, a conference was held regarding the measurement of ship tonnage, known as Tonnage Measurement of Ship (TMS) 1969. This rule was enacted internationally in 1982 and ratified by the Republic of Indonesia in 1989. As a form of ratification commitment, the Republic of Indonesia has regulations outlined in Law No. 17 of 2008 concerning shipping, Government Regulation No. 51 of 2002 concerning shipping, and Minister of Transportation Regulation Number PM 45 of 2021 concerning ship measurements. Regulation of the Minister of Transportation Number PM 45 of 2021 concerning ship measurements is a new regulatory product. Hence, it is necessary to disseminate the regulation to the community of traditional ship owners and craftsmen. The dissemination was conducted in the Galesong District for a group of wooden boat craftsmen, TORANI, in the form of training in measuring and calculating wooden boat GT (gross tonnage) and NT (net tonnage) using domestic methods. During the training, participants showed high enthusiasm and enthusiastically asked questions about these regulations, including how to measure the GT and NT of a boat. The Training Success Indicator (IKP) is 85%, obtained from the average post-test score. The indicator percentage shows that the training was satisfactory in delivering the new regulation to the participants.
Co-Authors ., Editya ., Indrawansyah ., Misliah A.N, Wishal Wijdan Andi Ardianti . Asis, Muhammad Akbar Clausthaldi, Fadhil Rizki Djafar, Wihdat Fachruddin L, Farianto Firmansyah, Moh. Rizal Firmansyah, Mohammad Rizal Ganding Sitepu Ganding Sitepu ' Hamzah . Hamzah Hamzah Hamzah Lukman Bochary M. Rizal Firmansyah . Mansyur Hasbullah . Mustafa, Wahyuddin Suandar Baso Syamsul Asri Wahyuddin .