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All Journal REKA RACANA Journal of Engineering and Technological Sciences Jurnal Teknik Sipil
Muslim Muin, Muslim
Staf Pengajar Program Studi Teknik Kelautan, FTSP-ITB.
Civil Engineering, Building, Construction & Architecture Education Engineering

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Application of Large-Scale 3D Non-Orthogonal Boundary Fitted Sediment Transport Model and Small-Scale Approach for Offshore Structure in Cimanuk Delta North Java Sea Muin, Muslim; Idris, Krisnaldi; Yuanita, Nita
Journal of Engineering and Technological Sciences Vol 48, No 3 (2016)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1283.742 KB) | DOI: 10.5614/j.eng.technol.sci.2016.48.3.5

Abstract

The morphology of the Cimanuk Delta at the North Java Sea has changed rapidly over the last two decades. The annual sediment deposition is about two million cubic meters (Yuanita and Tingsanchali, [1]). The large-scale ocean hydrodynamics and sediment transport model MuSed3D (Muin, [2]) was applied to the North Java Sea to simulate suspended sediment transport at the study site. A potential offshore structure was positioned at approximately 30 km from the Cimanuk Delta. The result of the large-scale model was calibrated using observation data and Landsat satellite image interpretation. The agreement between the modeling results and the observations was excellent. It was found that the critical shear stresses for erosion and deposition were 0.1 Pa and 0.05 Pa respectively. An empirical formula was further utilized to assess the local scouring at the potential offshore structure site in a small-scale domain and under extreme conditions.
Penerapan “Sel Mangrove” dalam Pemodelan 3D Hidrodinamika Laut NBOF (Non-Orthogonal Boundary Fitted) dengan Studi Kasus Estuari Ajkwa Muin, Muslim
Jurnal Teknik Sipil Vol 12, No 2 (2005)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.78 KB)

Abstract

Abstrak. Makalah ini memaparkan hasil integrasi Model 3D Hidrodinamika Laut Teknik Non-Orthogonal Boundary Fitted dengan Mangrove. Hasil pengukuran arus pada beberapa lokasi di Estuari Ajkwa menunjukkan, bahwa penggunaan Non-Orthogonal Boundary Fitted Grid sangat cocok untuk perairan dengan geometri yang sangat rumit, dan juga memperlihatkan bahwa Daerah Basah/Kering (Wet/Dry Area), yang dikenal sebagai Sel Mangrove, harus dimasukkan dalam Daerah Komputasi (Computational Domain). Tanpa memasukkan mangrove, hasil simulasi hanya 30% dari arus yang diukur di lapangan.Abstract. The paper presents the results of integration of 3D Ocean Hydrodynamics Non-Orthogonal Boundary Fitted with Mangrove. The observed current in several locations in Ajkwa Estuary show that the Non-Orthogonal Boundary Fitted Grid is an excellent technique for geometrically complex water system, and also indicates that the Wet/Dry Area or Mangrove Cell must be included in the computational domain. The model results show that the maximum predicted current will not exceed 30% of the maximum of observed current if the mangrove cell is ignored.
Optimasi Pelabuhan di Perairan Cirebon sebagai Alternatif Pengganti Pelabuhan Cilamaya (Hal. 89-99) Rizkyargo, Muhammad Ziko; Muin, Muslim; Muliati, Yati
RekaRacana: Jurnal Teknil Sipil Vol 2, No 4: Desember 2016
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (644.064 KB) | DOI: 10.26760/rekaracana.v2i4.89

Abstract

ABSTRAK Daerah industri Indonesia yang berpusat di daerah Jawa Barat membuat banyak perusahaan memproduksi barang  dan jasa. Salah satu prasarana dalam menunjangkegiatan tersebut yaitu pelabuhan.Pertumbuhan ekonomi di masa yang akan datang membuat Pelabuhan Tanjung Priok semakin padat, maka dibutuhkan Pelabuhan alternatif lain. Tujuan dari penelitian ini yaitu untuk merencanakan Pelabuhan Peti Kemas di Peraian Cirebon berdasarkan kapal rencana dan biaya yang paling optimum. Lokasi Pelabuhan Peti Kemas Cirebon berada pada koordinat 6o45’3.63” LS dan 108o36’23.53” BT. Pengumpulan data berupa data sekunder yang meliputi kebutuhan peti kemas di Pelabuhan Tanjung Priok dan Pelabuhan Cilamaya serta data hidrooseanografi di lokasi Cirebon.Kebutuhan Pelabuhan Peti Kemas Cirebon pada jangka pendek adalah 3.750.000 TEUs, jangka menengah 7.500.000 TEUs, dan jangka panjang 12.000.000 TEUs. Hasil Analisis didapatkan Kapal optimum yang digunakan di Pelabuhan Peti Kemas Cirebon untuk jangka pendek, jangka menengah, dan jangka panjang sama, yaitu kapal ukuran 2.000 TEUs.Kata kunci: optimasi, pelabuhan, peti kemas, Cirebon. ABSTRACTIndustrial area of Indonesia centered in West Java, making many companies producing goods and services. One of the infrastructure that support these activities, such as ports. Economic growth in the future that make the port of Tanjung Priok increasingly crowded, it needed alternative ports. The purpose of this research is to plan a Container Port in Cirebon based on ship and the most optimum cost. The location of Cirebon Container Port at 6o45’3.63” SL and 108o36’23.53” EL. The data were derived from the secondary data including containers demand at Tanjung Priok Port and Cilamaya and environmental data on Cirebon. Port of Tanjung Priok has a demand in the short term is 3,750,000 TEUs, 7,500,000 TEUs medium term and long term 12,000,000 TEUs. Analysis of the results obtained optimum vessel used in Container Port Cirebon for short term, medium term and long term are same, the size of 2,000 TEUs vessels.Keywords: optimization, port, container, Cirebon
Co-Authors Krisnaldi Idris, Krisnaldi Nita Yuanita, Nita Rizkyargo, Muhammad Ziko Yati Muliati