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All Journal Jurnal Pengabdian Masyarakat Charitas Metris: Jurnal Sains dan Teknologi
Goenawan, Stephanus
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Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering Social Sciences

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Continuous Method: A Flexible Solution for Metal Length Expansion Measurement in the Modern Manufacturing Industry Goenawan, Stephanus
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 02 (2025): Desember
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i02.7039

Abstract

Measurement of metal length expansion is crucial in the modern manufacturing industry as it impacts product design, production, and performance. Current conventional method (Discrete Methods/DM) relies on an initial reference length (L0), which limits the flexibility of in-situ and continuous measurements. This study compares the accuracy and flexibility of DM with the Continuous Method (CM), an approach that potentially eliminates the need for L0 after the initial measurement. Using numerical simulations on five metals, this study analyzes calculations for estimating metal length expansion under various heating scenarios. The results show that both methods provide similar differences in metal length thermal expansion values (difference <0.0001 m), confirming their comparative accuracy. However, CM proves significantly more flexible as it allows the calculation of metal length thermal expansion estimates at arbitrary temperatures without the need to refer to L0, unlike DM, which requires L0 for consistency. This flexibility makes CM more practical for both incremental and real-time measurements, supporting the integration of automation into precision manufacturing processes. Implications for the manufacturing industry include increased efficiency of in-situ measurements, reduced reliance on initial data, and the potential for better integration with continuous quality control systems and Digital Twins.
Sosialisasi Teknologi Pendidikan Berhitung Kreatif Goenawan, Stephanus; Sutresno, Stephen Aprius; Hidayat, Trifenaus Prabu
Jurnal Pengabdian Masyarakat Charitas Vol. 5 No. 02 (2025): Jurnal Pengabdian Masyarakat Charitas
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Katolik Indonesia Atma Jaya Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/charitas.v5i02.7047

Abstract

Learning mathematics, especially arithmetic and number patterns, is often a challenge for students due to the lack of creative approaches and the use of technology in the learning process. This community service program aims to improve the competence of teachers and lecturers in teaching innovative arithmetic concepts through the Educational Technology Online Workshop: Creative Arithmetic in the Era of Artificial Intelligence. This activity is conducted online and attended by participants from various backgrounds, including teachers, students, and the general public. The implementation method includes introducing the concept of regularity of number patterns, demonstrating the Vertical Metric method, and training in using web-based digital applications for creative calculations from licensed association partners. The activity results showed an increase in participants' understanding of developing creative learning strategies and high enthusiasm from participants in implementing technology-based arithmetic methods in their respective educational environments. This training positively impacts educators' pedagogical skills and encourages students' interest in learning mathematics through a more interesting and applicable approach.
Co-Authors Stephen Aprius Sutresno, Stephen Aprius Trifenaus Prabu Hidayat