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All Journal Dinamisia: Jurnal Pengabdian Kepada Masyarakat JTTM: Jurnal Terapan Teknik Mesin Ceddi Journal of Information System and Technology (JST)
Lusi Dwi Putri
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Aerospace Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Mechanical Engineering Social Sciences Other

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Decision Support System for Selecting the Best Bus Destination for Toraja using the Weighted Product Method Erwin Gatot Amiruddin; Kamaruddin; Asnimar; Lusi Dwi Putri; Hiknatius Rianto Madao
Ceddi Journal of Information System and Technology (JST) Vol. 2 No. 1 (2023): April
Publisher : Yayasan Cendekiawan Digital Indonesia (CEDDI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56134/jst.v2i1.34

Abstract

This research aims to develop a Decision Support System (DSS) that can assist in selecting the best bus for tourism purposes in Toraja. The objective of this research is to facilitate the decision-making process for prospective tourists who want to use buses as their means of transportation during their visit to Toraja. The method employed in this research is the Weighted Product (WP) method. This method was chosen due to its ability to handle multiple criteria, enabling selection based on various relevant factors such as price, service quality, bus capacity, operational schedule, and level of comfort. Furthermore, the collected data will be input into the developed DSS using the WP method. The DSS will calculate relative scores for each bus based on the predetermined criteria weights. The results of this research are expected to provide objective and accurate recommendations for selecting the best bus. These recommendations can serve as a guide for prospective tourists in choosing a bus that suits their needs and preferences. Additionally, this research can also provide valuable insights for bus operators in improving service quality and customer satisfaction.
Basic Training on Using Sketch-Up & V-Ray Applications at SMK Negeri 6 Pekanbaru: Pelatihan Dasar Penggunaan Aplikasi Sketch-Up & V-Ray di SMK Negeri 6 Pekanbaru Mutiara Yaumil Atika; Andrie Herdiansyah; Apriliana Hidayati Nurdin; Lusi Dwi Putri
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 3 (2025): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v9i3.27338

Abstract

The use of 3D applications in design and graphic design is one of the skills needed in the world of work in this era of globalization. So the introduction and basic training in using the 3D Sketchup and V-Ray rendering applications is expected to provide insight into science and technology-based knowledge and skills in engineering designs such as architecture, technical drawing and graphic design. Through this activity, it is hoped that vocational school students will be able to understand 3D design software, develop skills and insight, and apply the creation of design idea components into 3D form and rendering. The targets of service are students of SMK Negeri 6 Pekanbaru. The software used is Sketchup 2020 and V-Ray 2015. The execution is carried out in the form of training using the lecture method and demonstration of application use together with vocational school students participating in the training. The demo is carried out by practicing directly using a computer. At the beginning and end of this training activity, a survey and evaluation will be carried out to determine the level of absorption of the material. To carry out sustainability activities, ongoing assistance can be provided by providing training materials.
Mechanical Properties of Laminar HDPE–Coconut Fiber Composites With Different Fiber Volume Weriono; Lusi Dwi Putri; Fajar Maulana
JTTM : Jurnal Terapan Teknik Mesin Vol 7 No 1 (2026): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v7i1.2322

Abstract

This study aims to analyze the mechanical properties of High Density Polyethylene composites reinforced with coconut fiber. The analysis was carried out through tensile and impact tests on composites with variations in coconut fiber volume fractions of 0%, 10%, 20%, and 30%. The main objective of this study was to determine the effect of variations in fiber volume fractions on tensile strength and impact toughness, and to determine the fiber volume fraction that produces the most optimal mechanical properties. The research method includes the process of making HDPE-coconut fiber composite specimens according to testing standards, then conducting tests using a tensile testing machine and an impact testing machine. The test data were compared for each variation of fiber volume fraction to obtain the relationship between increasing fiber fractions on tensile strength and impact absorption energy. The results showed that increasing the coconut fiber volume fraction had an effect on increasing tensile strength and impact toughness to a certain limit. The mechanical strength of the composite increased at a fiber fraction of 20%, then tended to decrease at a fraction of 30% due to uneven fiber distribution and decreased fiber-matrix interfacial bonding. Thus, the HDPE–coconut fiber composite with a fiber volume fraction of 20% produced the most optimal mechanical properties among the variations tested.
Co-Authors Andrie Herdiansyah Apriliana Hidayati Nurdin Asnimar Erwin Gatot Amiruddin Fajar Maulana . Hiknatius Rianto Madao Kamaruddin Mutiara Yaumil Atika Weriono