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All Journal Jurnal Teknik ITS MEKANIKA - JURNAL TEKNIK MESIN MATAPPA: Jurnal Pengabdian Kepada Masyarakat Jurnal Elemen Journal of Robotics and Control (JRC) Scientific Journal of Mechanical Engineering Kinematika Journal Community Service Consortium
Eka Marliana
Universitas 17 Agustus 1945 Surabaya
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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ANALISIS KARAKTERISTIK STRUKTUR MATERIAL SWING ARM TERHADAP RESPON GETARAN ACAK PADA SEPEDA MOTOR HONDA SUPRA X 125R MENGGUNAKAN METODE ELEMEN HINGGA Winarno, Ilham; Marliana, Eka
ELEMEN : JURNAL TEKNIK MESIN Vol. 10 No. 1 (2023)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v10i1.227

Abstract

This research was conducted to determine the structural characteristics of each type of swing arm material of the Honda Supra X 125R motorcycle against random vibration responses. The random vibration response is modeled in modal analysis so that the value of natural frequency, maximum displacement, and correction factor that occurs can be identified. This research is based on FEM simulation by making 3D modeling using Autodesk Inventor software, which is then simulated using Ansys software. Based on the results of the FEM simulation, it was found that the most dominant mild steel material with the best response was SS400, with a maximum equivalent stress (von Mises) value of 16.601 MPa and a maximum displacement of 2.9109e–002 mm. The modal analysis results also show that the SS400 material has the most dominant response, with the highest average natural frequency in shapes 2, 4, and 5 modes, and has the smallest displacement value in shapes 1, 3, and 4 modes.
ANALISIS PENGARUH FRAKSI VOLUME DAN JUMLAH LAPISAN PADA KOMPOSIT DENGAN PENGUAT DRY CARBON DAN MATRIKS RESIN EPOKSI TERHADAP UJI TARIK DAN STRUKTUR MIKRO Ardianto, Moch Irsyad; Nurpriyanti, Indah; Sulistyorini, Elisa; Firdaus, Royyan; Marliana, Eka
MEKANIKA: Jurnal Teknik Mesin Vol. 11 No. 2 (2025): December
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30996/jm.v11i2.133078

Abstract

ABSTRAK Penelitian ini bertujuan untuk menganalisis pengaruh variasi fraksi volume resin–serat dan jumlah lapisan terhadap sifat mekanik dan struktur mikro komposit serat karbon–epoksi. Komposit dibuat menggunakan metode manual lay-up yang dikombinasikan dengan vakum manual, dengan variasi fraksi volume resin : serat sebesar 60%:40%, 70%:30%, dan 80%:20%, serta jumlah lapisan 3, 5, dan 7 lapis. Pengujian mekanik dilakukan melalui uji tarik, sedangkan analisis struktur mikro digunakan untuk mengevaluasi kualitas ikatan antara serat dan matriks serta keberadaan void. Hasil penelitian menunjukkan bahwa variasi fraksi volume dan jumlah lapisan berpengaruh signifikan terhadap kekuatan tarik komposit. Nilai tegangan tarik tertinggi diperoleh pada spesimen 3 lapis dengan fraksi volume resin : serat sebesar 80% : 20%, yang didukung oleh distribusi resin yang lebih merata dan minimnya pembentukan void. Sebaliknya, fraksi serat yang terlalu tinggi cenderung menyebabkan ketidaksempurnaan impregnasi resin sehingga menurunkan kekuatan tarik komposit. Analisis struktur mikro memperkuat hasil uji tarik dengan menunjukkan bahwa ikatan serat–matriks yang baik berkontribusi terhadap peningkatan sifat mekanik komposit. Kata kunci: komposit serat karbon, fraksi volume, uji tarik, struktur mikro, resin epoksi
ANALISIS TEGANGAN SECARA STATIS DAN DINAMIS PADA POROS TRUK PENGANGKUT RINGAN MENGGUNAKAN METODE ELEMEN HINGGA Muhammad Fakku Ilham Firmansyah; Ahmad Anas Arifin; Eka Marliana; Miftahul Ulum
Scientific Journal of Mechanical Engineering Kinematika Vol 10 No 1 (2025): SJME Kinematika Juni 2025
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v10i1.712

Abstract

The purpose of this study is to determine the structural failure that occurs in the propeller shaft model of light duty vehicles with FCD450-10, SM45C, and SCM440 material types due to static and dynamic loading. This research was conducted using a simulation-based finite element method on software. The results of static FEM simulations show that each material has its own characteristics. Based on the static stress analysis that has been carried out, the results are obtained that the FCD450-10 material is stated to be in the best condition among other materials with the smallest equivalent stress value, which is 0.34203 MPa, and has the lowest minimum shear stress value of 0.19294 MPa. The best maximum total displacement value was obtained in SCM440 material, with the smallest value of 8.3405 mm. Based on the results of the Random Vibration simulation on the directional deformation of the SCM440 material, it is stated that it is in the best condition among other materials, with the smallest maximum directional deformation value of 30.109 mm and at the equivalent stress the smallest maximum value obtained is 84,433 MPa
Co-Authors Ahmad Anas Arifin Ardianto, Moch Irsyad Arif Wahjudi Arif Wahjudi Ariyanto, Muhammad Hendry Dhea Fidi Pratama Dwi Guntur Febryanto Gatut Prijo Utomo Hardianto, Dedik Saputro I Made Londen Batan Ilham Winarno Indah Nurpriyanti Ismail Ismail Jayawarsa, A.A. Ketut Maula Nafi Miftahul Ulum Moch Yanuar Ramadhan Muhammad Fakku Ilham Firmansyah Nurahmi, Latifah Royyan Firdaus Saiful Fuad Sulistyorini, Elisa Wei, Guowu Winarno, Ilham