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All Journal Journal of Informatics and Data Science (J-IDS) Journal of Mathematics, Computation and Statistics (JMATHCOS)
Tarigan, Dewan Dinata
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Mathematics

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Journal : Journal of Mathematics, Computation and Statistics (JMATHCOS)

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Penggunaan Analisis Biplot dalam Pengelompokan Kabupaten/Kota di Provinsi Sulawesi Selatan Berdasarkan Indikator Kesejahteraan Masyarakat Rangkuti, Yulita Molliq; Landong, Ahmad; Tarigan, Dewan Dinata
Journal of Mathematics, Computations and Statistics Vol. 6 No. 2 (2023): Volume 06 Nomor 02 (Oktober 2023)
Publisher : Jurusan Matematika FMIPA UNM

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Abstract

Fixed free beam is one of the components that are most often used as raw materials for furnitureand building construction. The use of wooden beams is inseparable from several important issues that mustbe taken into account, including stiffness, strength, stability, and flexibility. The problem of free vibrationthat occurs in wooden beams must also be taken into account. All systems that have mass and elasticity canexperience free vibrations or vibrations that occur without external stimulation. This free vibration occurswhen the system on the object oscillates due to the work of the forces that exist in the system itself (inherent).The free vibration of the wooden beams must be overcome by damping, so that it does not seriously affectthe structure of the strength, stability, and flexibility of the wooden beams. Damping can be done by lookingfor free vibration points or vibration mode shapes on fixed free beams. One approach that can be used tofind the mode shapes is a numerical approach using the Reyleigh-Ritz method. The methodology used isthe development of a python script to find free vibration modes on the beam. In this article, the beam with a length of 0.5 meters and a thickness of 2.25 × 10^−4 meters is selected as a simulation model.
Co-Authors Ahmad Landong Said . Iskandar Yulita Molliq Rangkuti