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All Journal Jurnal Natural Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat
Salmawaty Salmawaty
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Immunology & microbiology Law, Crime, Criminology & Criminal Justice Neuroscience Physics Public Health Other

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MODELING AND SIMULATION OF TRAFFIC FLOWS ON INCLINED ROAD DURING EVACUATION PROCESS OF THE VOLCANO DISASTER WITH FINITE DIFFERENCE METHOD Richasanty Septima; Said Munzir; Salmawaty Salmawaty
Jurnal Natural Volume 17, Number 1, March 2017
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1183.773 KB) | DOI: 10.24815/jn.v17i1.6513

Abstract

The research in this thesis was done to examine the model of traffic flow of volcanic disaster evacuation path for uphill and downhill roads. The assessment was focused on the area of disaster evacuation path from the Pante Raya Bener Meriah intersection to Takengon. This model is assessed for two different types of time when which a disaster occurs; the disaster occurred at night and the disaster occurred during the day, especially during peak hours (working hours). The model was developed with attention to the exixtence of inflow and outflow along the evacuation route. Furthermore, the model obtained is solved numerically by using finite difference method. The chosen approach of this method is upwind scheme with time and space steps using forward difference and backward difference. The solution of this model in the form of simulated vehicle density along evacuation pathways. The research conducted is in the form of a model of traffic flow on evacuation paths and restricted to the inflow and outflow without alternative path as well as the conditions of the road which are uphill and downhill, showed a high density of vehicles either at night or during the day. Uphill road conditions resulted in decreased vehicle speed and vehicle density will increase, while downhill road conditions resulted in increased vehicle speed and vehicle density will decrease, meaning that the road conditions which are uphill and downhill will greatly affect the process of evacuation. Degree vehicles of evacuation efficiency occuring at night without an alternative pathway produces a high efficiency so that it can be interpreted that the evacuation process in the evening was successful and runs better than the evacuation process during the day, and this is caused by the existence of vehicles on the road  evacuation process started thus affecting the efficiency levels. Keywords : Traffic flows, finite difference method, upwind scheme method, forward difference, backward difference, greenshield method, uphill road, downhill road.
MODELING AND SIMULATION OF TRAFFIC FLOWS ON INCLINED ROAD DURING EVACUATION PROCESS OF THE VOLCANO DISASTER WITH FINITE DIFFERENCE METHOD Richasanty Septima; Said Munzir; Salmawaty Salmawaty
Jurnal Natural Volume 17, Number 1, March 2017
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v17i1.6513

Abstract

The research in this thesis was done to examine the model of traffic flow of volcanic disaster evacuation path for uphill and downhill roads. The assessment was focused on the area of disaster evacuation path from the Pante Raya Bener Meriah intersection to Takengon. This model is assessed for two different types of time when which a disaster occurs; the disaster occurred at night and the disaster occurred during the day, especially during peak hours (working hours). The model was developed with attention to the exixtence of inflow and outflow along the evacuation route. Furthermore, the model obtained is solved numerically by using finite difference method. The chosen approach of this method is upwind scheme with time and space steps using forward difference and backward difference. The solution of this model in the form of simulated vehicle density along evacuation pathways. The research conducted is in the form of a model of traffic flow on evacuation paths and restricted to the inflow and outflow without alternative path as well as the conditions of the road which are uphill and downhill, showed a high density of vehicles either at night or during the day. Uphill road conditions resulted in decreased vehicle speed and vehicle density will increase, while downhill road conditions resulted in increased vehicle speed and vehicle density will decrease, meaning that the road conditions which are uphill and downhill will greatly affect the process of evacuation. Degree vehicles of evacuation efficiency occuring at night without an alternative pathway produces a high efficiency so that it can be interpreted that the evacuation process in the evening was successful and runs better than the evacuation process during the day, and this is caused by the existence of vehicles on the road  evacuation process started thus affecting the efficiency levels. Keywords : Traffic flows, finite difference method, upwind scheme method, forward difference, backward difference, greenshield method, uphill road, downhill road.
Sosialisasi Inovasi Pembelajaran Matematika SMA Melalui Media Pembelajaran Trigonometri Vinsensius H Ndori; Tanti Diyah Rahmawati; Erwin Prasetyo; Salmawaty Salmawaty; Maria Aprilia Venerani Gokun
Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat Vol. 2 No. 1 (2024): Januari : Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat
Publisher : Asosiasi Riset Ilmu Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/pandawa.v2i1.470

Abstract

Mathematics is a learning whose material is abstract. This causes students to find it difficult to understand mathematics, feeling that mathematics is difficult and boring. This condition occurred at Karitas Watuneso Vocational School. This Community Service aims to provide socialization and innovation in mathematics learning using trigonometry as a medium so that it is hoped that students will be more able to understand and be interested in learning mathematics. The results of the service with questionnaires that have been filled in by students show that the use of trigonometry teaching aids in their learning is 85% strongly agree and 15 percent agree, the method of delivering the material is 88% strongly agree and 12% agree, and students' understanding of the use of learning media is 80% strongly agree and 20% agree, while how to use it, 85% strongly agree and 15% agree. Thus, it can be concluded that students feel that the use of trigonometry teaching aids can facilitate students' understanding of trigonometry material and students are enthusiastic in this activity.
Co-Authors Erwin Prasetyo Maria Aprilia Venerani Gokun Richasanty Septima Said Munzir Tanti Diyah Rahmawati Vinsensius H Ndori