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All Journal Journal of International Conference Proceedings Jurnal Inovasi dan Teknologi Pembelajaran
Febriansyah Febriansyah
Sriwijaya University
Humanities Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media

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Analysis of Measurement Tidal Type of Musi River Febriansyah Febriansyah; Erika Buchari; Edi Kadarsa
Journal of International Conference Proceedings Vol 8, No 7 (2025): 2025 Bali ICPM Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v8i7.4453

Abstract

Along the Musi River, there are transportation activities involving both passenger and cargo transport. However, all these activities are affected by the Musi River’s tidal fluctuations. Cargo transport on the Musi River is heavily dependent on the tidal conditions. The dimensions of the ships operating in the Musi River are determined by the river’s depth, which is influenced by these tidal changes. Consequently, the draft of the vessel that can operate is limited by the prevailing depth conditions of the river. This study aims to identify the highest and lowest tidal levels in the Musi River, determine the tidal pattern type, and forecast tidal conditions for December 2026. The methodology employed in this research is the Admiralty Method, which is based on observational data collected over 29 days, ensuring high accuracy in the results. From the research findings, the highest tide reached 551 cm, while the lowest tide recorded was 215 cm, resulting in a tidal range of 336 cm. The type of tidal pattern observed in the Musi River is classified as a mixed prevailing diurnal type, with a HHWL of 557.71 cm, a MSL of 364.5 cm, and a LLWL of 171.26 cm. Based on the tidal forecast for December 2026, the highest tide is projected at 511.1 cm, while the lowest is 219.3 cm, resulting in a tidal range of 291.9 cm. This research is anticipated to provide valuable insights into determining safe ship dimensions for navigation on the Musi River
Case method textbook innovation for Autodesk inventor- assisted CAM learning Elfahmi Dwi Kurniawan; Nopriyanti Nopriyanti; Rudi Hermawan; Patterson Nji Mbakwa; Abi Pratama; Rianto Rianto; Febriansyah Febriansyah; Putri Indah Yanti
Jurnal Inovasi dan Teknologi Pembelajaran Vol. 12 No. 2 (2025)
Publisher : Universitas Negeri Malang in collaboration with APSTPI and IPTPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um031v12i22025p110

Abstract

Manufacturing faces a gap between technological developments and engineering training programs, including vocational education, that play a role in preparing skilled workers. The main obstacle is the high operational costs and learning facilities, especially in CAD/CAM learning related to CNC, where students experience difficulties in creating CNC programs due to the inability to visualize tool movements and limited physical access to CNC machines. This study developed a textbook based on Autodesk Inventor (CAM) integrated with the Case Method to facilitate the design of drawings and simulations of valid and practical CNC programs. The type of research used is Research and Development (R&D) with the ADDIE development model. The results of the study indicate that the developed teaching materials are valid. This is proven by the material and media experts' assessment results in the "very good" category. The practicality of the textbook in the learning process runs well, as shown in one-to-one, small-group, and field tests that are in the "very good" category. This textbook, which was systematically designed according to the students' characteristics and learning strategies and integrates Autodesk Inventor and Case Method teaching materials, is expected to bridge the theory-practice gap and improve students' technological literacy critically and creatively.
Co-Authors Abi Pratama Edi Kadarsa Elfahmi Dwi Kurniawan Erika Buchari Nopriyanti Nopriyanti Patterson Nji Mbakwa Putri Indah Yanti Rianto Rianto Rudi Hermawan