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All Journal Riset Sains dan Teknologi Kelautan JIMT: Jurnal Informatika, Multimedia dan Teknik
Mulyawan, Deni
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Engineering Environmental Science Industrial & Manufacturing Engineering

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STUDI EKSPERIMENTAL PENGARUH PANJANG STRUKTUR HANGING BREAKWATER TERHADAP TRANSMISI GELOMBANG Mulyawan, Deni; Paotonan, Chairul; Rahman, Sabaruddin
Riset Sains dan Teknologi Kelautan Volume 5, Nomor 2, Tahun 2022
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v5i2.24235

Abstract

Breakwaters are highly effective breakwater constructions that can be used to protect harbor waters by interrupting wave energy coming from the deep sea. Widely used breakwaters today are of the pile type, both natural and artificial. The drawback of rock breakwaters is that they are large in size and therefore very expensive to issue. Therefore, a new type of breakwater is needed that is smaller in size and cheaper to build. One solution that can be applied is a suspended breakwater. The purpose of this study is to determine the effect of wave parameters on the coefficient of wave transmission through a suspended breakwater. The research was conducted at the Marine Technology Research Laboratory, Hasanuddin University. The parameters in this study were carried out with 5 variations of wave height, 5 variations of wave period (T), and 3 variations of model length (L). From the results of the research we have done, it can be concluded that the value of the transmission coefficient (Kt) is inversely proportional to the steepness of the wave (Hi/L). Figure 3 shows that when compared between model variations (L1 = 40 cm; L2 = 50 cm; and L3 = 60 cm) with depth conditions (d = 70 cm) and with period variations (T 1; T 1.2; T 1.5; T 1.8 and T2 s), it can be seen that the Kt value is lower in the third model variation, L3 = 60 cm with a value of 0.095 < Kt < 0.53.
Pengembangan Aplikasi Absensi Mobile dengan Fitur Geo Location dan Face Recognition di PT Musano Permata Indo dengan Model Pengembangan Prototype Aliyudin, Muhamad; Mulyawan, Deni; Lestari, Lamanda Lintang; Haryono, Wasis
Jurnal Informatika, Multimedia dan Teknik Vol 1 No 2 (2025): Januari-Juni 2025
Publisher : Yayasan Pendidikan Tanggui Baimbaian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71456/jimt.v1i2.1337

Abstract

Perkembangan teknologi informasi telah membuka peluang besar bagi perusahaan untuk meningkatkan efisiensi dan efektivitas operasional. Namun, masih banyak perusahaan kecil dan menengah yang belum mengadopsi teknologi digital secara optimal, termasuk PT MUSANO PERMATA INDO yang bergerak di bidang pengadaan dan perawatan elevator serta eskalator. Berdasarkan hasil observasi dan wawancara, sekitar 80% aktivitas operasional perusahaan masih dilakukan secara manual dengan ketergantungan tinggi terhadap dokumen fisik, yang menimbulkan berbagai permasalahan seperti keterlambatan, ketidaktepatan data, dan kesulitan kolaborasi antar tim. Penelitian ini bertujuan untuk mengembangkan sistem informasi digital berbasis web yang mendukung pengelolaan dokumen, jadwal perawatan, serta pelaporan proyek secara terstruktur dan real-time. Metodologi pengembangan sistem yang digunakan adalah model Prototype, dengan tahapan pengumpulan kebutuhan, perancangan cepat, pembuatan prototipe, evaluasi pengguna, perbaikan dan pengulangan, pengembangan sistem, implementasi, dan pemeliharaan. Hasil penelitian menunjukkan bahwa sistem yang dikembangkan dapat meningkatkan efisiensi kerja, mengurangi kesalahan data, serta meningkatkan kolaborasi dan keamanan informasi perusahaan.
Co-Authors Aliyudin, Muhamad Chairul Paotonan Haryono, Wasis Lestari, Lamanda Lintang Sabaruddin Rahman