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Ramli, Irwan
Program Studi Fisika Fakultas Sains Universitas Cokroaminoto Palopo, Indonesia
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IMPLEMENTASI METODE EULER PADA GERAK PEGAS DENGAN MENGGUNAKAN SCILAB Risda Sucianti Azis; Irwan Ramli
Applied Physics of Cokroaminoto Palopo Vol. 2 No. 1 (2021): Volume 2 Nomor 1
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/apcp.v2i1.83

Abstract

Vibration is the movement of an object back and forth or oscillations that occur periodically. A construction that has mass and elasticity will basically experience vibration, so it must pay attention to the oscillatory nature of the vibration. Excessive vibration will cause a malfunction in the construction, so a model is needed to determine the vibration characteristics of the construction. One of the vibration phenomena is the movement of the spring. To create a spring motion graph using the Euler method, software such as the scilab application is needed. SCILAB is a software for numerical computing that is open source and can be run on Linux, Windows and MacOS operating systems.
Pembuatan dan Karakterisasi Komposit Berbahan Dasar Serat Ampas Sagu Indah Jaya; Irwan Ramli; Rahma Hi. Manrulu
Applied Physics of Cokroaminoto Palopo Vol. 1 No. 2 (2020): APCP Journal
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/apcp.v1i2.188

Abstract

Ampas sagu diperoleh pada saat proses pengolahan pati sagu, dari satu pohon sagu dapat menghasilkan pati sagu 17 – 25 % dan ampas sagu 75 – 83 %. Ampas sagu mengandung serat kasar yang tinggi dan kadar protein yang rendah. Penelitian ini bertujuan untuk membuat komposit berbahan dasar serat ampas sagu dengan variasi diameter sampel dan mengukur sifat fisik komposit. Dalam penelitian ini menggunakan metode padatan. Hasil pengujian kadar air yang tertinggi diperoleh sampel berdiameter 5,5 cm yaitu 13,459 % dan kadar air terendah sampel berdiameter 4,5 cm yaitu 12,988 % dan nilai pengujian kuat tekan tertinggi diperoleh sampel berdiameter 5,5 cm yaitu 0,1221 MPa, sampel berdiameter 4,5 cm diperoleh nilai kuat tekan terendah 0,0671 Mpa. Kesimpulannya bahwa komposit berbahan dasar serat ampas sagu dengan variasi diameter sampel diperoleh nilai kadar air tertinggi terdapat pada sampel berdiameter 5,5 cm yaitu 13,459 % dan hasil pengujian kuat tekan sampel paling tertinggi diperoleh pada sampel berdiameter 5,5 cm yang menghasilkan nilai kuat tekan tertinggi yaitu 0,1245 MPa.
Co-Authors Arfa, Nirmala Aryadi Nurfalaq Eva Sohriati Fitri Djusmi Hilda Rahmawati Illing, Ilmiati Indah Jaya Jusmi, Fitri Khaerati Khaerati Khaerati, Khaerati N. Sani Nurannisa Wahyuni Nurasia Nurasia Nurasia Nurasia Nurasia Nurasia, Nurasia Nurmalasari Nurmalasari, Nurmalasari Rahma Hi Manrulu, Rahma Hi Rahma Hi. Manrulu Risda Sucianti Azis Sukarti