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All Journal Jurnal Ilmiah Teknologi dan Rekayasa UG Journal Jurnal Al-Tadzkiyyah Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) Turbo : Jurnal Program Studi Teknik Mesin Jurnal INTECH Teknik Industri Universitas Serang Raya Jurnal Inovator Manutech : Jurnal Teknologi Manufaktur Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Scientific Journal of Mechanical Engineering Kinematika Jurnal Pendidikan Teknik Mesin Undiksha MURHUM : JURNAL PENDIDIKAN ANAK USIA DINI Jurnal Pendidikan Vokasi Otomotif Veteran Justice Journal International Journal Science and Technology (IJST) Jurnal Teknik dan Science (JTS) Arjwa: Jurnal Psikologi AME (Aplikasi Mekanika dan Energi) : Jurnal Ilmiah Teknik Mesin Journal of Applied Science and Advanced Engineering Jurnal Pengabdian Kepada Masyarakat
Tri Mulyanto
Jurusan Teknik Mesin, Universitas Gunadarma
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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ANALISIS AERODINAMIKA UNTUK DESAIN MOBIL LISTRIK JENIS KARGO MINI Azis Amir Allah; Tri Mulyanto
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.v10i1.365

Abstract

As an effort to expand the development of electric vehicles, one of the steps is to design an aerodynamic body for electric cars. An aerodynamic body design can reduce drag forces acting on the vehicle, thereby saving energy usage. A key aspect to consider in aerodynamic design is the drag coefficient (Cd) value; the smaller the Cd value, the greater the energy efficiency and overall vehicle performance. Therefore, this study aims to design an aerodynamic body for a mini cargo electric car, which can later serve as a reference design for mini cargo electric vehicles. The simulation was conducted using ansys fluent 2023 R1 software with the computational fluid dynamics (CFD) method. Initial validation was performed using the Ahmed body design. Simulations were carried out with speed variations of 20 km/h, 30 km/h, 40 km/h, 50 km/h, and 60 km/h. The results of the study showed that the lowest Cd value occurred at a speed of 60 km/h, with a Cd value of 0,458. Thus, at a speed of 60 km/h, the mini cargo electric car will have better energy efficiency and vehicle performance compared to other speeds.
Simulasi Numerik Aeroelastik Flutter Pada Sirip Roket Dengan Material Komposit Serat Tebu Ramadhan, Rasyid Ridho; Yamin, Mohamad; Mulyanto, Tri
AME (Aplikasi Mekanika dan Energi): Jurnal Ilmiah Teknik Mesin Vol. 12 No. 1 (2026)
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/ame.v12i1.2459

Abstract

Penelitian ini bertujuan untuk menganalisis karakteristik aeroelastisitas pada sirip roket RX-450 yang menggunakan material bio-komposit serat tebu, sebagai alternatif ramah lingkungan dari material konvensional. Fokus utama penelitian mencakup analisis frekuensi natural, kecepatan flutter, serta respons deformasi sirip terhadap beban aerodinamis. Simulasi dilakukan menggunakan pendekatan numerik berbasis ANSYS Workbench, dengan integrasi metode Modal Analysis, Computational Fluid Dynamics (CFD), dan Fluid-Structure Interaction (FSI). Hasil simulasi menunjukkan bahwa material bio-komposit serat tebu memiliki nilai frekuensi natural yang lebih rendah dibandingkan kayu balsa dan menunjukkan deformasi yang lebih besar serta redaman osilasi yang lebih lambat dibandingkan material logam seperti Al-7075 Namun demikian, Material bio-komposit serat tebu menunjukkan peningkatan kecepatan flutter sebesar 105% dibandingkan komposit kayu balsa, menandakan ketahanan yang lebih baik terhadap ketidakstabilan aeroelastik. Temuan ini menunjukkan bahwa bio-komposit serat tebu memiliki potensi sebagai material alternatif untuk sirip roket, meskipun masih perlu dilakukan optimasi desain untuk meningkatkan kekakuan dan redaman dinamis.
Co-Authors Abdul Muchlis Agit Prakoso, Sayyid Alkahfi Anggara, Feri Apriansa, Farul Aprianti, Najla Ari Nurrohman Avian, Noor Kurnia Azis Amir Allah Bambang Suryawan, Bambang Bera Liwun, Stephanus Benedictus Callvin Bayu Rayendra Chrisnatalia, Maria Geraldi, Ario Herman, Risal Iwan Setyawan Iwan Setyawan Kurnia Yogo Utomo Larasati, Nabila Laratiwi, Bella Novia Liwun, Stephanus Mohamad Yamin Nanih Suhartini PAMUNGKAS, ADHIKA ENGGAR Pramudita, Manungku Trinata Purnama, Ichsan Putra, Andri Dwi Ramadhan, Rasyid Ridho Ridwan Ridwan Ridwan, Ridwan Riski Mekasyah Putra Sangkot Sirait, Sangkot Sari, RR. Sri Poernomo Satya Parama Arta Sepriandi Parningotan Siti Nur Fatimah Sri Sumarni Suhartanta Suhartanta Sunyoto Sunyoto Supriyono Supriyono Supriyono Supriyono Wandha Indah Saputri Wiguna Persada Putra Yamin , Mohamad